item: #1 of 1022
          id: fis-10
      author: Francesco
       title: Microsoft Word - numero 3 art 2.doc
        date: 2007-12-29
       words: 3681
      flesch: 66
     summary: di intensificazione di modo I, ΔK1 In linea di principio tale ener- gia è funzione dei fattori di intensificazione di modo I e di modo II nei casi piani
    keywords: con; cordoni; dati; dei; del; della; energia; fatica; fatigue; fig; giunti; piede; resistenza; saldati; sono
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        item: #2 of 1022
          id: fis-101
      author: Pc
       title: Microsoft Word - numero 14 articolo 8
        date: 2010-09-15
       words: 4545
      flesch: 66
     summary: d k z d S h k   1/IGF-ESIS.14.08 tion through appearing of ode [Iran 28 ratio and mo at obtain of P ulation seismi ngs and struc e resistance, a d maintain ac to provide s e country, the engineering authority at m mmunity and mation on soi es and also th earthquake e for sites to ucing of eart ry has not ca ls in data coll on the structu the country, veloped and it sis of site ge oping seismic quefaction occ f seismic forc the force requ ima p(F) is m n and force fo  f 8 h soft subsoil f differential 800 Code] fo odulus elastic Poisson ratio ic force may ctures in the and it should cceptable soi structure and e local code m society and ministerial leve lead to enha il dynamic pr here is impo event. The resul a for develo uefaction for ysis of struc nical Prope nian region ha ctice all over e methods to d to resist the h for assessm mature and sat sess liquefact it is reporte ed vertical dr aced in Horm this purpose pt to achievin andar Abbas analyzed to im of any specim 0.3221/IGF-ESIS.
    keywords: ation; city; force; local; seismic; soil; stability; structure; wave
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        item: #3 of 1022
          id: fis-104
      author: User
       title: Microsoft Word - numero 15 articolo 2
        date: 2010-12-08
       words: 5725
      flesch: 72
     summary: è stato e di una nu liams. al di fuori d campo di ana ell’influenza d di picco è sem presenta in tu apporto a/b tti per valori son.
    keywords: berto; che; del; della; fig; fori; foro; int; mode; modo; piastre; sono; struct; tensione; valore
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        item: #4 of 1022
          id: fis-105
      author: User
       title: Microsoft Word - numero 15 articolo 3
        date: 2010-12-04
       words: 4567
      flesch: 65
     summary: and in nitro d stacks was b m forces of th her than the o e bit smaller t ty coefficient ng two structu ometry 1), on he stress inten uring experim depends on ing temperatu toughnesses. direct bondin res become m nent size in s t of two or m 15.03 21 sing ecial C.
    keywords: bonding; different; force; fracture; stress; wafer
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        item: #5 of 1022
          id: fis-106
      author: User
       title: Microsoft Word - numero 15 articolo 4
        date: 2010-12-06
       words: 4380
      flesch: 73
     summary: d heat mana s research has M fuel cells, n be simplifie ncreased temp ergy source; ( acid membra midification is he performan .3221/IGF-ESIS.1 lybenzimidaz 0 °C. his behaviour e end plates c cell voltages proving perfo TACK PERFO YDROGEN AN ig. 5 sho hydrogen of fuels a some extend vestigated.
    keywords: air; cell; cm2; density; fuel; hydrogen; mean; pem; power; stack; tem; voltage
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        item: #6 of 1022
          id: fis-110
      author: User
       title: Microsoft Word - numero 16 articolo 1
        date: 2011-03-14
       words: 6120
      flesch: 59
     summary: From a physical point of view, the meaning of mean stress sensitivity index m can be explained by taking full advantage of the outcomes summarised by Kaufman and Topper in Ref. In fact, independently from the complexity of the time-variable stress state damaging the material point at which the stress analysis is performed, there always exist two or more material planes experiencing the maximum shear stress amplitude, so that, amongst all the potential critical planes, the one which has to be used to calculate mean stress sensitivity index m as well as to perform the fatigue assessment is the plane experiencing the largest value of the maximum normal stress.
    keywords: engineering; fatigue; international; journal; loading; materials; mean; mwcm; plane; steel; stress; susmel
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        item: #7 of 1022
          id: fis-111
      author: User
       title: Microsoft Word - numero 16 articolo 2
        date: 2011-03-14
       words: 4722
      flesch: 62
     summary: The tests were carried out in a MTS servo-hydraulic machine with a load-cell of 5 kN load in laboratory ambient conditions (25ºC and relative humidity of 50%) and a cross-head rate of 10 mm/min. RESULTS Expansion test ig. 5 shows the expansion of used adhesives with respect to temperature. The local heating with the copper sheet expected to heal modified adhesives was unexpectedly highly salutary to non- modified adhesives AW106 and AV138M.
    keywords: adhesives; crack; expansion; fracture; particles; specimens; temperature; tems; test; toughness
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        item: #8 of 1022
          id: fis-112
      author: User
       title: Microsoft Word - numero 16 articolo 3
        date: 2011-03-14
       words: 1815
      flesch: 62
     summary: Coronary stent; Left ventriculal pacemaker electrode; Simulated lead extraction. INTRODUCTION pacemaker (PM) is an electronic device implanted in the body to regulate the heart beat. A http://dx.medra.org/10.3221/IGF-ESIS.16.03&auth=true http://www.gruppofrattura.it R. Laczkó et alii, Frattura ed Integrità Strutturale, 16 (2011) 28-33; DOI: 10.3221/IGF-ESIS.16.03 30 THE ELECTRODES AND STENTS EXAMINED ive coronary stents and Corox OTW 75-UP steroid eluting electrodes were examined.
    keywords: electrode; lead; pacemaker; stent
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        item: #9 of 1022
          id: fis-113
      author: User
       title: Microsoft Word - numero 16 articolo 4
        date: 2011-03-14
       words: 3176
      flesch: 51
     summary: The inclusion of the anti-bending device in the model 04-NB until the second reinforcement leads at a more faithful reproduction of the initial stage of crack propagation. The bonded reinforcements can significantly reduce the rate of fatigue crack growth and increase the residual strength of the skin.
    keywords: alloy; crack; fig; figure; panels; propagation; skin; stringers
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        item: #10 of 1022
          id: fis-115
      author: Pc
       title: Microsoft Word - numero 17 articolo 1
        date: 2011-06-21
       words: 4191
      flesch: 46
     summary: Finally, testing microstructures characterized by different average grain sizes, the computed peak stresses are found to be dependent on the grain size, in agreement with the trend expected according to the Hall-Petch law. From the modelling point of view, considering the dependency of the grain boundary thickness on the grain size observed in polycrystals, a distribution of interface thicknesses is obtained.
    keywords: czm; fig; fracture; frattura; grain; interface; material; polycrystalline; size; stress; thickness
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        item: #11 of 1022
          id: fis-116
      author: User
       title: Microsoft Word - numero 17 articolo 2.docx
        date: 2011-06-23
       words: 3514
      flesch: 57
     summary: To investigate the material fatigue behaviour, constant amplitude fatigue tests were carried out up to the specimen failure. 104 105 106 107 108 W http://www.gruppofrattura.it http://dx.medra.org/10.3221/IGF-ESIS.17.02&auth=true B. Atzori et alii, Frattura ed Integrità Strutturale, 17 (2011) 15-22; DOI: 10.3221/IGF-ESIS.17.02 21 block of cycles were definitely higher than those observed during constant amplitude fatigue tests at the same stress level on the undamaged material.
    keywords: amplitude; cycles; fatigue; level; load; material; specimen; tests
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        item: #12 of 1022
          id: fis-1167
      author: User
       title: Microsoft Word - numero_26_art_3
        date: 2013-08-28
       words: 2702
      flesch: 67
     summary: The results show, for this type of fiber reinforcement concrete beam the best length of steel fiber is 50 mm. The types of graph of force versus stroke and force versus time are depending on steel fiber content.
    keywords: beam; concrete; crack; fiber; steel; strength
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        item: #13 of 1022
          id: fis-1168
      author: User
       title: Microsoft Word - numero_26_art_4
        date: 2013-09-01
       words: 4831
      flesch: 63
     summary: According to the theory of fracture mechanics, glass failure stress was defined using stress intensity factor KI. The glass specimens are tested in four-point bending performing flaw detection on the tested specimens after failure, in order to determine glass strength.
    keywords: crack; edge; failure; flaw; fracture; glass; mirror; parameter; set; strength; stress; values
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        item: #14 of 1022
          id: fis-1169
      author: User
       title: Microsoft Word - numero_26_art_5
        date: 2013-09-03
       words: 2935
      flesch: 49
     summary: Steam line; Failure; NDT testing. Failures of steam lines, other than direct material damage, could jeopardize the safety of personnel and equipment.
    keywords: damage; integrity; life; line; microstructure; steam; testing
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        item: #15 of 1022
          id: fis-117
      author: Pc
       title: Microsoft Word - numero 17 articolo 3
        date: 2011-06-21
       words: 3255
      flesch: 58
     summary: Independent stress fields are associated with each strain field by means of the following constitutive laws ( ) (1 ) ( ) σ x D E B x V (6.1) ( ) ( )(1 ) ( ) ρ ρσ x H x D E B x XFEM makes it possible to consider crack paths, which are embedded within the finite elements.
    keywords: benvenuti; crack; field; finite; stress
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        item: #16 of 1022
          id: fis-1170
      author: User
       title: Microsoft Word - numero_26_art_6
        date: 2013-09-10
       words: 3842
      flesch: 54
     summary: The paper proposes a new specimen shape (Gaussian specimen) for gigacycle fatigue tests: wave propagation equations are analytically solved in order to obtain a specimen shape characterized by a uniform stress distribution on an extended specimen length and, as a consequence, by a larger risk volume.         (4) Figure 1: Gaussian specimen.
    keywords: bone; dog; fatigue; risk; specimen; stress; volume
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        item: #17 of 1022
          id: fis-1171
      author: User
       title: Microsoft Word - numero_26_art_7
        date: 2013-09-10
       words: 4817
      flesch: 54
     summary: Among all tests prescribed by the Standard to qualify the rail steel, only fatigue tests, fracture toughness tests and fatigue crack growth tests have been carried out in the Department Lab. Figure 12: Crack propagation curves, local interpolation ranges and crack growth rate values.
    keywords: crack; crack growth; fatigue; growth; rates; standard; testing; tests; values
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        item: #18 of 1022
          id: fis-1173
      author: User
       title: Microsoft Word - numero_26_art_9_Finale
        date: 2013-09-13
       words: 5088
      flesch: 61
     summary: Microsoft Word - numero_26_art_9_Finale E. Salvati et alii, Frattura ed Integrità Strutturale, 26 (2013) 80-91; DOI: 10.3221/IGF-ESIS.26.09 80 Mode I Stress Intensity Factors for triangular corner crack nearby intersecting of cylindrical holes Fattori di intensificazione delle tensioni per cricche ad angolo triangolari in corrispondenza di intersezione di fori sollecitate a modo la possibilità di valutare la velocità di crescita del difetto, legata ad un carico variabile nel tempo, è legata al calcolo dello Stress Intensity Factor (SIF) della cricca.
    keywords: calcolo; che; con; crack; cricca; della; fig; forma; function; intensity; mpa; nel; pressione; sif; stress; una; weight
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        item: #19 of 1022
          id: fis-1177
      author: User
       title: Microsoft Word - numero_26_art_13
        date: 2013-09-20
       words: 4217
      flesch: 57
     summary: Le ulteriori condizioni al contorno hanno previsto, sia nel caso di testata standard che di testata roller, un vincolo di tipo incastro in corrispondenza dell’impugnatura (Fig. 8). In questo lavoro è stata sperimentalmente valutata la sollecitazione sul fusto di un fucile attrezzato prima con testata standard e, successivamente, con testata roller al fine di confrontarne il comportamento sotto carico e, di conseguenza, la prestazione.
    keywords: che; con; deformazioni; dei; del; delle; elastici; figure; fucile; fusto; gli; ingrassia; muzzle; più; roller; sono; speargun; standard; strain; testata; una; valori
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        item: #20 of 1022
          id: fis-1178
      author: User
       title: Microsoft Word - numero_26_art_14
        date: 2013-09-20
       words: 4962
      flesch: 51
     summary: It can be deduced both from the thermal maps of each specimen and from the resulting fatigue curves for the two specimens (from tie rod A and from tie rod B), in couples completely different. Considering the limited number of the specimens at our disposal for each type of component (flange tie rods), the analysis has been done detecting the temperatures of the stressed specimens surface.
    keywords: analysis; fatigue; material; risitano; rods; specimen; stress; temperature; tie
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        item: #21 of 1022
          id: fis-119
      author: User
       title: Microsoft Word - numero 18 articolo 1.doc
        date: 2011-09-13
       words: 3796
      flesch: 59
     summary: In this communication a diffuse cohesive energy is considered, and fracture is regarded as the extreme stage of the localization of inelastic deformation. The work-hardening regime ends if, with growing inelastic deformation, ((t)) becomes equal to zero.
    keywords: bar; condition; deformation; energy; fracture; model; regime; response; strain
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        item: #22 of 1022
          id: fis-1196
      author: User
       title: Microsoft Word - numero_27_art_1
        date: 2013-12-20
       words: 7246
      flesch: 44
     summary: In our previous work, this stress value was defined as damage stress, σD Damage stress is the average value among those obtained from the different thermographic methods, except for E-glass/epoxy
    keywords: composites; damage; fatigue; load; materials; region; specimens; stress; surface; temperature; tests
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        item: #23 of 1022
          id: fis-1197
      author: User
       title: Microsoft Word - numero_27_art_2
        date: 2013-12-20
       words: 4914
      flesch: 57
     summary: [15] which have been developed to determine stress intensity factors at crack tips have taken advantage of computing power and data processing available on a standard personal computer. [2] Tomlinson, R.A., Olden, E.J., Thermoelasticity for the analysis of crack tip stress fields – a review, Strain, (1999) 49 – 55.
    keywords: crack; data; factors; fatigue; intensity; mode; stress; tip
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        item: #24 of 1022
          id: fis-1198
      author: User
       title: Microsoft Word - numero_27_art_3
        date: 2013-12-20
       words: 2969
      flesch: 45
     summary: The measurement of the thermal signals makes it possible to visibly detect the appearance of fatigue damage and to predict the fatigue parameters of materials. Thermography; Fatigue indicator; Ti-6Al-4V alloy; Fatigue limit.
    keywords: damage; fatigue; infrared; limit; method; stress; temperature
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        item: #25 of 1022
          id: fis-1199
      author: User
       title: Microsoft Word - numero_27_art_4
        date: 2013-12-21
       words: 4067
      flesch: 47
     summary: To analyze the thermodynamic characteristics of deformation processes in solids, it is necessary to take into account the fact that the plastic deformation work is converted into two parts: heat energy caused by the movement and annihilation of defects at various structural levels, and hidden (stored) energy of plastic deformation accumulated in the elastic fields of defects. In contrast to this, the experimental result corresponds to initially deformed material which has created effective defect structure for the dissipation of deformation energy.
    keywords: deformation; energy; heat; iron; plastic; process; results; strain; work
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        item: #26 of 1022
          id: fis-12
      author: Utente
       title: Microsoft Word - numero 2 art 1 finale.doc
        date: 2007-09-14
       words: 4308
      flesch: 52
     summary: Effetti di indurimento e fragilizzazione causati da un aumento della velocità di deformazione in un acciaio con com- portamento fragile. Inoltre, viene e- splicitamente affermato che diminuzioni significative della tenacità possono essere osservate all'aumentare della velocità di deformazione.
    keywords: acciai; astm; aumento; charpy; che; con; curve; deformazione; della; dinamica; duttile; fracture; fragile; frattura; lab; norma; sck•cen; temperatura; tenacità; toughness; una; velocità
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        item: #27 of 1022
          id: fis-1200
      author: User
       title: Microsoft Word - numero_27_art_5
        date: 2013-12-20
       words: 2006
      flesch: 39
     summary: This paper aims to illustrate the use of infrared thermography as a non-destructive and non-contact technique to observe the phenomenological manifestation of damage in granite under unconfined compression. Within the framework of a consistent theoretical approach, this paper emphasizes the application and use of infrared thermography to detect and evaluate quantitatively the extent of damage in brittle geomaterials owing to the non-linear coupled thermomechanical effects.
    keywords: damage; infrared; luong; rock; temperature; thermal; thermography
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        item: #28 of 1022
          id: fis-1201
      author: User
       title: Microsoft Word - numero_27_art_6
        date: 2013-12-20
       words: 4052
      flesch: 48
     summary: Optimal intercepts of 22 different rock types have been obtained through rock cutting experiments by Bilgin [5], and their values are very close to 3.23 times the cutting depth. Optimal intercepts of 22 different rock types have been obtained through rock cutting experiments by Bilgin [5], and their values are very close to 3.23 times the cutting depth.
    keywords: conical; cutting; force; fracture; fragment; model; pick; rock; sin
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        item: #29 of 1022
          id: fis-1204
      author: User
       title: Microsoft Word - numero_27_art_9
        date: 2013-12-20
       words: 3734
      flesch: 61
     summary: In the calculation process, the influence of rock damage to elastic modulus, cohesion and permeability is involved by writing a subroutine for ABAQUS. In the process of rock damage, permeability will change greatly with the fracture producing, extending and connecting [6].
    keywords: damage; drilling; ground; permeability; plastic; rock; stress; wall
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        item: #30 of 1022
          id: fis-121
      author: User
       title: Microsoft Word - numero 18 articolo 3.docx
        date: 2011-09-13
       words: 5450
      flesch: 55
     summary: In the other two cases, the tensile mechanical response of the structure depends on the coupling of the body and interface damage. Body nonlocal damage model for the cohesive material A plastic nonlocal damage model, characterized by the following constitutive law, is considered for the body 1 :      (1 ) sgn ( ) (1 )(1 sgn ( )t cD H tr D H tr           σ σ e e (1) with σ the stress tensor, tD  and cD  the damage variables in tension and in compression, respectively, the symbol sgn( ) indicating the sign of the variable  ,  H  the Heaviside function, i.e.   1H 
    keywords: body; body damage; case; damage; interface; interface damage; model
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        item: #31 of 1022
          id: fis-1229
      author: User
       title: Microsoft Word - numero_28_art_1
        date: 2014-03-26
       words: 4676
      flesch: 50
     summary: An analytical method for plain weave fabric composites, Composites, 26(4) (1995) 281- 289. Therefore the FE-method can be considered an adequate way to predict the stiffness of woven fabric composite with different geometries in the mesoscopic scale or even different kind of fibre reinforcement.
    keywords: composite; fabric; fibre; fill; matrix; modulus; order; properties; rve; twill; volume; warp; weave; yarns
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        item: #32 of 1022
          id: fis-123
      author: User
       title: Microsoft Word - numero 18 articolo 5.docx
        date: 2011-09-14
       words: 3630
      flesch: 48
     summary: But not all the transformation are possible when changing the Ni content; in particular when increasing the Ni content last transformation (B19’) can take place only under environmental temperature or under the zero absolute [3-11]. Figure 1: NiTi alloy phase diagram. However, due to their good biocompatibility the most important applications of NiTi alloys are in the field of medicine, where the pseudo-elasticity is mainly exploited for the realization of several components such as cardiovascular stent, embolic protection filters, orthopedic components, orthodontic wires, micro surgical and endoscopic devices.
    keywords: alloy; engineering; fig; loading; niti; phase; strain; stress
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        item: #33 of 1022
          id: fis-1230
      author: User
       title: Microsoft Word - numero_28_art_2
        date: 2014-03-26
       words: 3724
      flesch: 57
     summary: Nevertheless, differently from [3] a notion of stress cycle is used here, even though the cycles are not counted and extracted from the global sequence - as it is done in a rainflow method (see e.g. Figure 4: Stress cycles at final instant of the sequence: the stress point has reached the instant ‘10’.
    keywords: cycles; fatigue; point; stress; surfaces; yield
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        item: #34 of 1022
          id: fis-1232
      author: User
       title: Microsoft Word - numero_28_art_4
        date: 2014-03-26
       words: 4915
      flesch: 61
     summary:  (15) min ( , ) , max min r i r r i r r f f X e f f     (16) where bestrX is the optimal solution of parameter r at present, e is step size, f(r, i) is the minimum value finding in the process of passing through the node (r, i). Assuming (r, i) is the ith node of parameter r, xr, j is the value of (r, i).
    keywords: algorithm; current; defect; iaca; method; r j; structures
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        item: #35 of 1022
          id: fis-1233
      author: User
       title: Microsoft Word - numero_28_art_5
        date: 2014-03-27
       words: 3405
      flesch: 54
     summary: It has been found that applying the following correction usually leads to much better agreement between the HCM and FEM results,  0 0 0 * cos /    where 0 is a factor that depends on the amplitude of the applied bending and crack length and it is equal to the ratio of half crack angle  and the off center angle  for which there is half closure of the crack. [6] Kishida, K., Zahoor, A., Crack-opening area calculations for circumferential throughwall pipe cracks, NP-5959-SR, Electric Power Research Institute, Palo Alto, CA.
    keywords: angle; bending; cod; configuration; crack; length; opening; pipe
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        item: #36 of 1022
          id: fis-1235
      author: User
       title: Microsoft Word - numero_29_art_2
        date: 2014-07-08
       words: 4741
      flesch: 60
     summary: [10] Lakes, R.S., Foam structure with a negative Poisson's ratio, Science, 235 (1987) 1038-1040. INTRODUCTION oisson's Ratio, usually represented by ν, is defined as the ratio of transverse contraction strain to longitudinal extension strain with respect to the direction of stretching force applied.
    keywords: lattice; poisson; ratio; structure
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        item: #37 of 1022
          id: fis-1236
      author: User
       title: Microsoft Word - numero_29_art_3
        date: 2014-07-08
       words: 5458
      flesch: 54
     summary: ce e p e p p e            σ σ (10) Specifically, the following overall elasticity and compliance corresponding to , 1v if are evaluated in the ith iteration of the procedure:                             , 1 , 1 , 1 , 1 , 1 , 1, , , , , p pm c m
    keywords: concrete; f v; paste
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        item: #38 of 1022
          id: fis-1237
      author: User
       title: Microsoft Word - numero_29_art_4
        date: 2014-07-08
       words: 3828
      flesch: 61
     summary: [10] Gei, M., Jones, I.S., Movchan, A.B., Junction conditions for cracked elastic thin solids under bending and shear, Q. J. Mech. CONCLUSIONS n this paper, we have examined the dynamic properties of elongated elastic solids with a distributed damage, studied as two-dimensional strips with equally-spaced cracks.
    keywords: solid;  
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        item: #39 of 1022
          id: fis-1238
      author: User
       title: Microsoft Word - numero_29_art_5
        date: 2014-07-08
       words: 6760
      flesch: 51
     summary: When the presence of the curvatures 1K and 2K is also considered, with = 0 , the perturbation field can be expressed as:         1 21, = , ,u X x Λ x γ X x r X x (16) where now   2 r X,x is the only unknown field. Then, the unknown field   2 r X, x is represented in the form:       22 2, = ,r X x Λ x γ X x (17) with              2 2 2 2 2 21,1 1,2 2,1 2,2 1 2 3 4= , = T       
    keywords: perturbation; procedure;  ;  
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        item: #40 of 1022
          id: fis-1239
      author: User
       title: Microsoft Word - numero_29_art_7
        date: 2014-07-08
       words: 5698
      flesch: 72
     summary: [ ] ( ) [ ] [ ] 2 CPV C         u u t u r u u u u g u u on u (10a) 1 [ ] [ ] [ ] [ ] ( ) [ ] 2 CPV C         g g             
    keywords: g g; g u; n g; u u
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        item: #41 of 1022
          id: fis-1240
      author: User
       title: Microsoft Word - numero_29_art_8
        date: 2014-07-08
       words: 6190
      flesch: 57
     summary: [14] Perkins, J., Hodgson, D., The two way shape memory effect, in: Duerig, T.W. et al (Eds.), Engineering aspect of shape memory alloys, Butterworth-Heinmann, (1990) 195-206. [23] Saint-Sulpice, L., Arbab Chirani S., Calloch S., A 3D super-elastic model for shape memory alloys taking into account progressive strain under cyclic loadings.
    keywords: bending; curvature; cycles; martensite; memory; niti; shape; shape memory; temperature; training; variant; way
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        item: #42 of 1022
          id: fis-1241
      author: User
       title: Microsoft Word - numero_29_art_9
        date: 2014-07-08
       words: 5356
      flesch: 50
     summary: Microsoft Word - numero_29_art_9 V. Sepe et alii, Frattura ed Integrità Strutturale, 29 (2014) 85-96; DOI: 10.3221/IGF-ESIS.29.09 85 Focussed on: Computational Mechanics and Mechanics of Materials in Italy Response of porous SMA: a micromechanical study V. Sepe, S. Marfia University of Cassino and Southern Lazio v.sepe@unicas.it, marfia@unicas.it F. Auricchio University of Pavia auricchio@unipv.it ABSTRACT. In the present contribution a micromechanical study of porous SMA is proposed, introducing the simplifying hypothesis of periodic distribution of voids.
    keywords: average; loading; material; memory; shape; sma; strain; stress; voids
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        item: #43 of 1022
          id: fis-1242
      author: User
       title: Microsoft Word - numero_29_art_10
        date: 2014-07-08
       words: 8350
      flesch: 62
     summary:                          Consider the following relevant stress and strain values: 2 2 1 1 2 = = = , = r r d r max r r d dE de E de E de E de E                          with 1 2= ( )d r E E de         and 2= ( )
    keywords: = =; t t; transformation;  ;  ;  
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        item: #44 of 1022
          id: fis-1243
      author: User
       title: Microsoft Word - numero_29_art_11
        date: 2014-07-08
       words: 9035
      flesch: 71
     summary: Because the supremum is attained on the boundary of that set, a simple computation yields        p pˆ Deviatoric yield function, isotropic hardening The yield function is assumed to be       0ˆ ˆ ˆ ˆ ˆi
    keywords: p p; ε ε;  ;  ;  ;  ;  
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        item: #45 of 1022
          id: fis-1244
      author: User
       title: Microsoft Word - numero_29_art_12
        date: 2014-07-08
       words: 7058
      flesch: 57
     summary: This leads to the following mixed boundary-value problem:  Div = in S 0F  (15)            1 R 2 2 1 Z 1 2 2 1 2, 0 at R = R = R cos 1 at R = R 0 at R = R = on R sin at R = R = 0 at R = R R                f X X e f X X e f X X e  (16)       2 = 0, = on      r for r in  1 2R , R are such that                    1 1 1 1 2 2 21 2 3 2 3 21r : r r r rv , v , v v , v , v: r r r 0 0, , 0   
    keywords: lie; magnus; matrix; r r;  ;  ;  
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        item: #46 of 1022
          id: fis-1245
      author: User
       title: Microsoft Word - numero_29_art_13
        date: 2014-07-08
       words: 4237
      flesch: 57
     summary: The tangent stiffness of the oscillator can be obtained by deriving the nonlinear restoring function g(t) with respect to the displacement x, obtaining:    1 1t g z z k k k k x x x                         (2) Being the parameter A assumed unitary without loss of generality, parameter k reduces to the initial stiffness of the system and the initial stiffness can be computed substituting initial conditions z(0)=0 in Eq. Based on this perturbative approach both the system response x(t) and the history-dependent term z(t) were approximate by means of a series expansion on the random parameter k:             2 2 , 1/ 2 , 1/ 2 k kk k kk x t k x k k x k k x z t k z k k z k k z           (7) The kx and kz represent the sensitivity vectors, and must be computed with their derivatives.
    keywords: k k; model;  ;  
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        item: #47 of 1022
          id: fis-1247
      author: User
       title: Microsoft Word - numero_29_art_14
        date: 2014-07-08
       words: 7148
      flesch: 62
     summary: The quartic spline function   2 3 41 6 8 3 for 0 1 0 for 1 j j j j j j r r r r w r          x (37) is adopted in this work, where /j jr d x x , being d the radius of the domain of definition of the point x (smoothing length).      K S Φ C E CΦ
    keywords: b b; t t
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        item: #48 of 1022
          id: fis-1248
      author: User
       title: Microsoft Word - numero_29_art_15
        date: 2014-07-08
       words: 5329
      flesch: 51
     summary: The seismic capacity of masonry arches is usually studied considering the well-known Heyman’s hypotheses [2], who assumed infinite compressive strength and no tensile resistance. Recently, efforts have been made to develop dynamic tests which appear particularly promising for a deeper understanding of the response of masonry arches and vaults.
    keywords: arch; damage; masonry; mmu; model; numerical
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        item: #49 of 1022
          id: fis-125
      author: User
       title: Microsoft Word - numero 19 articolo 1.doc
        date: 2011-12-14
       words: 8862
      flesch: 67
     summary: Owing to (31), since H is a decreasing function of  and since 2 1t t  , we have 2 1 2 2 1 0 0 1 2 1 1 0 ( ) ( ) = ( , ) ( , ) ( , ) t t t t t d d d D D H H H                         Hence 2 1  . ( ), (0, )     t t t tE x u x x L (10) Dividing (10) by ( )tE , integrating over (0, )L and using boundary conditions (5), we find 0 ( ( ))
    keywords: bar; damage; localization; zone
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        item: #50 of 1022
          id: fis-1252
      author: Pc
       title: Microsoft Word - numero_29_art_18
        date: 2014-07-11
       words: 7009
      flesch: 51
     summary: ( , ) ( ) for /( ) MW b aCAP a a b b a b                             j I jW D W  ( 1) ( 1)k kc    ( 1)k M  ( 1) ( 1) ( 1) ( 1) ( 1), ,         k k k k k j
    keywords: analysis; bars; beams; collapse; concrete; elements; frp; limit; load; stress; yield
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        item: #51 of 1022
          id: fis-1254
      author: User
       title: Microsoft Word - numero_29_art_20
        date: 2014-07-08
       words: 6834
      flesch: 57
     summary: are determined as functions of the global displacement variables and displacement jumps by imposing continuity of the shear tractions, Eq. (2), across the layer interfaces, which yields: 1 23 3 23 3  ( ) ( )( ) ( ), k k k kx x for k =1..n-1. The interfaces are described by interfacial traction laws which relate the interfacial shear tractions, acting along the surface of the layer k at the interface with unit positive normal vector, S( )k , 23 2 23 2 3 3     ( )ˆ ˆ ( ) ( , )k k k kS x x x x (2) to the interface relative sliding displacement:        12 2 2 2 2 3 3 2 2 3 3    ˆ ˆ ( ) , ,k kk k k kv v x v x x x v x x x (3) The interfacial traction law is generally nonlinear to represent different physical mechanisms, which may include the elastic response of thin interfacial layers, cohesive/bridging mechanisms developed by trans-laminar reinforcements or other means, material rupture, elastic contact along the delamination surfaces
    keywords: displacement; interfaces; k k; plates; shear
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        item: #52 of 1022
          id: fis-1255
      author: User
       title: Microsoft Word - numero_29_art_21
        date: 2014-07-08
       words: 5023
      flesch: 49
     summary: RESULTS otem and Huang failure criteria are compared in Fig. Proposed results seems to suggest that failure criteria accounting for micro-structural stress-strain localization mechanisms (for instance, Huang’s criterion) give a more accurate estimate in terms of pin-bearing failure load.
    keywords: composite; failure; fiber; laminate; matrix; pin; plate
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        item: #53 of 1022
          id: fis-1256
      author: User
       title: Microsoft Word - numero_29_art_22
        date: 2014-07-08
       words: 10449
      flesch: 73
     summary: In all these three cases Eq. (12) becomes             1 with for , 1, 2,..., i n N n n n n ij j ij ij ijn jx d f x D f x D Dynamic analysis 2 2 2 2 0 0 d w d G qb dxdx d dw EI G dxdx                      2 2 02 2 2 22 0 0 d W d G bI W dxdx d dW EI G bI dxdx                         Boundary conditions Clamped-Clamped (CC)        0 0, 0 0, 0, 0w w L L     Simply Supported-Simply Supported (SS)        0 0, 0 0, 0, 0d dW
    keywords: j j; k k; m r; n r; r j; r r;  ;  
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        item: #54 of 1022
          id: fis-1258
      author: User
       title: Microsoft Word - numero_29_art_24
        date: 2014-07-15
       words: 5531
      flesch: 55
     summary: [5] Giambanco, G., Rizzo, S., Spallino, R., Numerical analysis of masonry structures via interface models, Comp. Meth. [22] Alfano, G., Crisfield, M.A., Finite element interface models for the delamination analysis of laminated composites: mechanical and computational issues, Int.
    keywords: bar; concrete; damage; interface; k k; k s; model; s s; steel
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        item: #55 of 1022
          id: fis-1259
      author: User
       title: Microsoft Word - numero_29_art_37
        date: 2014-07-08
       words: 3369
      flesch: 64
     summary: The authors [5] suggested a simple technique to determine 3D KI at the mid plane of a specimen by knowing 2D KI and Poison’s ratio (v). [5] have proposed a formulation to obtain the highest magnitude of 3D KI (at the centre of the specimen) based on magnitude of KI obtained by 2D analysis as: 2 2 3 1 1   D D K K (4) where  is Poisson’s ratio of the material.
    keywords: analysis; specimen; stress; variation
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        item: #56 of 1022
          id: fis-1260
      author: User
       title: Microsoft Word - numero_29_art_36
        date: 2014-07-08
       words: 4543
      flesch: 63
     summary: The units describe crack growth rate in terms of millimeter per second. [9] Xue, H., Shoji, T., Quantitative prediction of EAC crack growth rate of sensitized type 304 stainless steel in boiling water reactor environments based on EPFEM, J. Press.
    keywords: alloy; crack; dmw; growth; rate; scc; strain; stress; weld
       cache: fis-1260.pdf
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        item: #57 of 1022
          id: fis-1261
      author: User
       title: Microsoft Word - numero_29_art_25
        date: 2014-07-08
       words: 3903
      flesch: 54
     summary: Although tile floorings guarantee high resistance and durability also in severe exposure conditions, they are prone to suffer from debonding failure, typically induced by differential elongation/shortening between tile layer and substrate. In recent years, the extensive use of adhesive layers and adhesive lap joints in different engineering applications has driven the attention of several researches.
    keywords: adhesive; model; substrate; tile
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        item: #58 of 1022
          id: fis-1262
      author: User
       title: Microsoft Word - numero_29_art_26
        date: 2014-07-08
       words: 4440
      flesch: 57
     summary: Three different values of NLI are considered for each system: NLI=1 (local system), NLI=2, NLI=3. Microsoft Word - numero_29_art_26 A. Infuso et alii, Frattura ed Integrità Strutturale, 29 (2014) 302-312; DOI: 10.3221/IGF-ESIS.29.26 302 Focussed on: Computational Mechanics and Mechanics of Materials in Italy Flaw-tolerance of nonlocal discrete systems and interpretation according to network theory A. Infuso Politecnico di Torino, Department of Structural, Geotechnical and Building Engineering, Corso Duca degli Abruzzi 24, 10129 Torino, Italy andrea.infuso@polito.it M. Paggi IMT Institute for Advanced Studies Lucca, P.zza San Francesco 19, 55100 Lucca, Italy marco.paggi@imtlucca.it ABSTRACT.
    keywords: case; displacement; fig; force; nli; nodes; system; vector
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        item: #59 of 1022
          id: fis-1263
      author: User
       title: Microsoft Word - numero_29_art_27
        date: 2014-07-08
       words: 6217
      flesch: 49
     summary: Fatigue crack; Damage identification; Nonlinear dynamics; Cracked beam model. The obtained identification degrades quite dramatically and even moderate damage severity, especially if located close to a constraint, leads to an overestimation of damage positions and severity.
    keywords: beam; crack; damage; harmonic; identification; nonlinear; position
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        item: #60 of 1022
          id: fis-1264
      author: User
       title: Microsoft Word - numero_29_art_28
        date: 2014-07-08
       words: 5290
      flesch: 43
     summary: Damage Identification; Modal Strain Energy; Flexibility Matrix; Data-Fusion INTRODUCTION umerous studies concerning the development of damage indicators mainly based on the modal parameters of systems derived from identification processes, in some cases combined with finite-element model update algorithms, are available in the current literature [1-3]. The fusion of information derived from different sources allows, indeed, to improving the ability of damage indicators particularly in detecting the damage position.
    keywords: damage; elements; m s; s e; s s
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        item: #61 of 1022
          id: fis-1265
      author: User
       title: Microsoft Word - numero_29_art_29
        date: 2014-07-08
       words: 4216
      flesch: 44
     summary: The proposed device makes simultaneous use of two different operating principles typical of resonant MEMS: the frequency shift due to the presence of axial stresses in slender resonating beams and the frequency shift due to variations of the so-called electrical stiffness in torsional resonators. In particular, external in-plane acceleration or yaw velocity make the proof masses translate and induce axial forces in bending resonators, while external out-of-plane acceleration or roll velocity make the proof masses tilt and change the electrical stiffness of torsional resonators.
    keywords: axis; detection; mass; plane; resonators; velocity
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        item: #62 of 1022
          id: fis-1266
      author: User
       title: Microsoft Word - numero_29_art_30
        date: 2014-07-08
       words: 3255
      flesch: 49
     summary: Fluid-structure interaction; Lattice Boltzmann method; Immersed boundary method; Volume-of- Fluid method; Dam break; Flapping flags. [7] Mei, R., Yu, D., Shyy, W., Luo, L., Force evaluation in the lattice Boltzmann method involving curved geometry, Physical Review Letters E, 65 (2002) 041203.
    keywords: boltzmann; boundary; fluid; interface; lattice; method; structure
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        item: #63 of 1022
          id: fis-1267
      author: User
       title: Microsoft Word - numero_29_art_31
        date: 2014-07-08
       words: 5359
      flesch: 63
     summary: As to the stresses, one should notice that the symmetry of the stress tensor is imposed strongly so that the components to be approximated are 11 22 12, ,   and one ends up with 24 degrees-of-freedom:  the three components of the stress tensor 11 22 12, ,   at each vertex of the triangle (9 dofs),  the moments of order zero and one of the traction vector n  along each edge of the triangle (12 dofs),  the averages of the components of the stress tensor over the triangle, i.e. 11 22 12, , T T T      (3 dofs). For the three optimal design problems with objectives 1 2 3, ,F F F , Fig. 3, 4 and 5 respectively present the convergence path (on the left) and the optimal density distribution along the beam axis (on the right).
    keywords: elements;  ;  
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        item: #64 of 1022
          id: fis-1269
      author: User
       title: Microsoft Word - numero_29_art_33
        date: 2014-07-08
       words: 4783
      flesch: 46
     summary: We analyze from the area surrounded by curve and the abscissa that the mean square value of seismic random vibration wave obtained through calculation with absolute displacement method is on the smaller side, namely the energy acting on cable- stayed bridge is too small, and it demonstrates that random vibration method is a kind of seismic analysis method, which is conservative in relative speaking. W. Guodong, Frattura ed Integrità Strutturale, 29 (2014) 376-384; DOI: 10.3221/IGF-ESIS.29.33 382 (ii) When comparing absolute displacement method with random vibration method, the error of acceleration response power spectral density is the smallest, the biggest error of main span is only 1.15%, the biggest error of back span is only 1.37%.
    keywords: density; displacement; excitation; method; power; response; span; spectral; y y
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        item: #65 of 1022
          id: fis-127
      author: User
       title: Microsoft Word - numero 19 articolo 3.doc
        date: 2011-12-13
       words: 3229
      flesch: 44
     summary: In this paper, an example of active design is proposed, where it is shown that the interfaces in hierarchical cellular materials are determinant for the realization of desired material responses. Combining different materials together allows us to realize structures with enhanced mechanical properties.
    keywords: crack; fig; interfaces; level; material; microstructure; paggi
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        item: #66 of 1022
          id: fis-1270
      author: User
       title: Microsoft Word - numero_29_art_34
        date: 2014-07-08
       words: 7945
      flesch: 51
     summary: These are amongst others fibre orientation, fibre volume content, layup, geometry of the specimen and of the impactor as well. Analytical approximation of fibre volume content for test panels with hybrid stacking sequences When the hybrid stacked layups are considered none of the two afore described experimental methods for the determination of the fibre volume content are suitable because both organic and inorganic kinds of reinforcement fibres are used in the respective layups, as listed in Tab. 3.
    keywords: content; energy; fibre; fibre volume; hybrid; impact; kinetic; layer; layups; material; panels; reinforcement; relative; test; velocity; volume content
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        item: #67 of 1022
          id: fis-1272
      author: User
       title: Microsoft Word - numero_29_art_19
        date: 2014-07-08
       words: 3325
      flesch: 46
     summary: There are two kinds of sulfate attack: the internal sulfate attack (ISA) and external sulfate attack (ESA). Figure 5: External sulfate attack on a mortar specimen: a) ettringite concentration and b) damage for three different exposure times (200, 400, 600 days) CONCLUSIONS he model developed and implemented in this work allows for the computation of the mechanical response of concrete subject to sulfate attack.
    keywords: attack; cement; concentration; concrete; damage; ettringite; material; model; reaction; sulfate
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        item: #68 of 1022
          id: fis-1273
      author: User
       title: Microsoft Word - numero_29_art_1
        date: 2014-07-08
       words: 4268
      flesch: 61
     summary: For the tetrachiral lattice, the constitutive equation is written [15]: 11 11 22 22 12 12 21 21 1 1 2 2 2 0 0 0 0 0 2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 B B B B m S m S                                                               (6) where four elastic moduli are related to the lattice parameters as follows         2 2 2 2 2 2 2 2 2 2 2 cos sin 2 sin cos 1 sin cos 1 3sin 4 cos 12 s s s s E k E B E S E a                           (7) Similarly to the hexachiral honeycomb, a coupling is obtained between the extensional strains and the asymmetric strains through the elastic modulus B which is an odd function of the parameter of chirality  , while the other elastic moduli are even functions. I k u v v k u v v                                      
    keywords: k k;  
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        item: #69 of 1022
          id: fis-1274
      author: User
       title: Microsoft Word - numero_30_art_1
        date: 2014-09-03
       words: 2651
      flesch: 51
     summary: I have investigated in some detail the Theory of Critical Distances as applied to engineering materials (see for example [2]). Such studies shed light on aspects of the world in which we live, and may also lead to the development of improved engineering materials and components via a Biomimetics approach in which nature is seen as an inspiration and starting point for creative design activities.
    keywords: engineering; failure; fatigue; fracture; materials
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        item: #70 of 1022
          id: fis-1276
      author: User
       title: Microsoft Word - numero_30_art_36
        date: 2014-09-03
       words: 6309
      flesch: 42
     summary: Subsequently, in a series of papers between 1858 and 1870 Wöhler established several fundamental principles of the safe-life, or S-N, approach to fatigue design [e.g. 3, 4]. SUCCESS AND FAILURE n enormous amount of literature has been published on fatigue design, the application of fracture mechanics to structural design and on failure analysis, and the reliability achieved in the key industrial sectors of transport, energy extraction and generation, and pressure vessels is truly outstanding.
    keywords: aircraft; crack; cracking; crane; design; failure; fatigue; fracture; life; service; shell; stress; structures
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        item: #71 of 1022
          id: fis-1279
      author: User
       title: Microsoft Word - numero_30_art_4
        date: 2014-09-11
       words: 3585
      flesch: 54
     summary: This diagram confirms that the accuracy of the TCD applied by calculating critical distance via definition (2) is independent from ratio ρ/LE. [6] Taylor, D., Predicting the fracture strength of ceramic materials using the theory of critical distances, Eng.
    keywords: components; data; distance; error; fracture; materials; stress; tcd
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        item: #72 of 1022
          id: fis-128
      author: User
       title: Microsoft Word - numero 19 articolo 4.doc
        date: 2011-12-14
       words: 7106
      flesch: 44
     summary: Per concludere, e prima di entrare nel dettaglio della metodologia proposta, è importante sottolineare che, onde restare all’interno del campo di validità della meccanica del continuo, quanto formalizzato nel presente lavoro si basa sulla http://dx.medra.org/10.3221/IGF-ESIS.19.04&auth=true http://www.gruppofrattura.it L. Susmel et alii, Frattura ed Integrità Strutturale, 19 (2012) 37-50; DOI: 10.3221/IGF-ESIS.19.04 40 assunzione che il materiale sia omogeneo, continuo e isotropo: la dimensione del grano e gli effetti di anisotropia locale dei cristalli non vengono, pertanto, tenuti in alcuna considerazione. La semplice procedura proposta si basa sull’uso di un valore di durezza utilizzato per la calibrazione del modello stesso e sulla curva tensione–deformazione del materiale, curva determinata in campo elasto- plastico a mezzo di prove convenzionali di trazione e descrivibile mediante la nota relazione di Ramberg-Osgood
    keywords: 316l; agli; aisi; alla; analisi; campo; carico; che; come; con; continuo; dei; della; della durezza; dell’impronta; dimensione; doi; durezza; elasto; elementi; essere; finiti; materiale; mediante; metallici; nano; nel; più; provini; può; questo; risultati; sia; sono; strutturale; susmel; una; valore; vickers
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        item: #73 of 1022
          id: fis-1282
      author: User
       title: Microsoft Word - numero_30_art_6
        date: 2014-09-03
       words: 3541
      flesch: 50
     summary: According to previous equations, hydrogen diffusion is driven by: (i) the negative gradient of hydrogen concentration (in the classical Fick´s sense); (ii) the positive gradient of hydrostatic stress; (iii) the positive gradient of hydrogen solubility, the latter is one-to- one related to the gradient of equivalent plastic strain so that the plastic strain gradient (a continuum mechanics variable that appears as an output after the FE computation) can be analysed instead of the hydrogen solubility gradient. After using the matter conservation law and applying the Gauss-Ostrogradsky, the following second-order partial differential equation of hydrogen diffusion is obtained:                  )( )( PSε PSεH K K RT V DCCD t C (2) The equilibrium concentration of hydrogen for infinite time of exposure to harsh environment is the steady-state solution of the differential equation.
    keywords: contact; distribution; hydrogen; plastic; rod; strain; stress; surface
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        item: #74 of 1022
          id: fis-1284
      author: User
       title: Microsoft Word - numero_30_art_7
        date: 2014-09-03
       words: 2770
      flesch: 60
     summary: Microsoft Word - numero_30_art_7 F. Felli et alii, Frattura ed Integrità Strutturale, 30 (2014) 48-54; DOI: 10.3221/IGF-ESIS.30.07 48 Focussed on: Fracture and Structural Integrity related Issues Use of FBG sensors for monitoring cracks of the equestrian statue of Bartolomeo Colleoni in Venice F. Felli, A. Brotzu, D. Pilone, C. Vendittozzi Dip. An array of FBG sensors connected in series was glued on the crack with the aim of capturing live information about the effect of applying stress on the crack opening.
    keywords: crack; fbg; felli; horse; sensors; statue
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        item: #75 of 1022
          id: fis-1285
      author: User
       title: Microsoft Word - numero_30_art_37
        date: 2014-09-03
       words: 2330
      flesch: 56
     summary: The measurements (Fig. 4) showed few zones with different hardness values. Figure 3: Different material zones.
    keywords: fatigue; fig; figure; hardness; material
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        item: #76 of 1022
          id: fis-1286
      author: User
       title: Microsoft Word - numero_30_art_8
        date: 2014-09-03
       words: 3121
      flesch: 56
     summary: CONCLUSIONS he work is devoted to the estimation of critical applied stresses for a crack initiation from a sharp V-notch tip.  Yield strength 260 MPa.y  Comparison of estimated critical applied stresses and experimental values is shown in the Fig.
    keywords: crack; fracture; notch; sharp; stress; tip; value
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        item: #77 of 1022
          id: fis-1288
      author: User
       title: Microsoft Word - numero_30_art_38
        date: 2014-09-03
       words: 2626
      flesch: 64
     summary: It is shown that the plastic zone size is affected by the zzT -stress, i.e. there is strong effect of out-of-plane constraint (thickness) on crack tip plastic zones. G., The Effect of the non-singular T-stress components on crack tip plastic zone under mode I loading, Procedia Materials Science 3 (2014) 141 – 146.
    keywords: crack; mode; plane; plastic; stress; thickness; tip
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        item: #78 of 1022
          id: fis-1289
      author: User
       title: Microsoft Word - numero_30_art_10
        date: 2014-09-03
       words: 3206
      flesch: 49
     summary: It was evident that only at 1200 °C the inner and the outer deposition rate values were comparable, while at 1100 °C and 1300 °C the two values were widely different and in both cases the inner deposition rate resulted lower than the outer one. Fixing the other process parameters and varying only the temperature, from 1100°C to 1300°C, the Py-C infiltration was performed on fibrous preforms.
    keywords: carbon; composites; cvi; infiltration; temperature
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        item: #79 of 1022
          id: fis-1290
      author: User
       title: Microsoft Word - numero_30_art_11
        date: 2014-09-03
       words: 3377
      flesch: 57
     summary: The present research was conducted to enhance the mechanical performance of cement composites by the utilization of micro-sized inert particles. High performance of cement composites can be achieved by good proportioning of the mix quantities i.e. cement, sand, water and mineral or chemical additives.
    keywords: cement; composites; figure; fracture; hemp; hurds; particles; strength; toughness; wt%
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        item: #80 of 1022
          id: fis-1291
      author: Pc
       title: Microsoft Word - numero_30_art_12
        date: 2014-09-09
       words: 4862
      flesch: 55
     summary: Figure 5: Corrosion fatigue test results for air, 3.5 % wt. A Stress Corrosion Cracking (SCC) experimental campaign at different methanol concentrations has been conducted over slightly notched dog-bone specimens (Kt = 1.18), to characterize the corrosion resistance of the alloy under quasi-static load conditions.
    keywords: alloy; corrosion; crack; environment; fatigue; methanol; model; propagation; results; stress; test; ti-6al-4v; water
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        item: #81 of 1022
          id: fis-1292
      author: User
       title: Microsoft Word - numero_30_art_13
        date: 2014-09-03
       words: 2806
      flesch: 58
     summary: The results are shown in Fig. 4 and in Tab. 1. C B. Tyson et alii, Frattura ed Integrità Strutturale, 30 (2014) 95-100; DOI: 10.3221/IGF-ESIS.30.13 98 Figure 4: Comparison of calculated crack size with measured size. Plane stress constraints are difficult to simulate, and resort is normally made to a “generalized plane stress” formulation for this case.
    keywords: compliance; crack; plane; size; specimen; strain; stress
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        item: #82 of 1022
          id: fis-1293
      author: User
       title: Microsoft Word - numero_30_art_14
        date: 2014-09-03
       words: 2991
      flesch: 58
     summary: Also, the maximum load increase with increasing PUR material density, Fig. This paper investigates the fracture properties and notch effect of PUR materials with four different densities.
    keywords: fracture; materials; mode; necuron; notch; stress
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        item: #83 of 1022
          id: fis-1294
      author: User
       title: Microsoft Word - numero_30_art_39
        date: 2014-09-03
       words: 5564
      flesch: 52
     summary: Another difficulty intrinsic to the adoption of corrugated core sandwiches has been the lack of analytical/numerical tools for the effective prediction of their mechanical response at large scales, essential for designing complex structures (e.g. ships, aircrafts, heavy mass transport structures, etc..). [37] Buannic, N., Cartraud, P., Quesnel, T., Homogenization of corrugated core sandwich panels, Composite Structures, 59 (2003) 299-312.
    keywords: analytical; core; element; fig; model; plane; sandwich; shear; stiffness; structures
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        item: #84 of 1022
          id: fis-1295
      author: User
       title: Microsoft Word - numero_30_art_40
        date: 2014-09-03
       words: 5533
      flesch: 41
     summary: Cumulative damage; Miner number; Statistical interpretation. MINER AS ALLEGED LINEAR CUMULATIVE DAMAGE HYPOTHESIS he Miner number is generally accepted as representing a stage of damage resulting from a “linear” progression of damage accumulation.
    keywords: canteli; failure; fatigue; holmen; miner; miner number; number; stress
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        item: #85 of 1022
          id: fis-1296
      author: User
       title: Microsoft Word - numero_30_art_41
        date: 2014-09-03
       words: 4035
      flesch: 54
     summary: So having moved an PS from an AI-24, Series 2 to an AI-24VT engine brings about longer running time (4000…6000 h) to initiate fatigue cracks, whereas the opposite change of the running time (to 2000…4000 h) is the case for having the PS moved in the reversed direction—to an AI-24, Series 2 engine. Having analyzed the screening trends of PS on repairs revealed that the numbers of fatigue cracks increased in the PS from AI-24 engines.
    keywords: crack; fatigue; propeller; running; shaft; spline; surface
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        item: #86 of 1022
          id: fis-1297
      author: User
       title: Microsoft Word - numero_30_art_42
        date: 2014-09-03
       words: 4867
      flesch: 56
     summary: In most cases, fatigue tests have been carried out with applied strain range Δε ≤ 0.6%. The low level of the applied strain in a large number of fatigue tests constituted a limitation in order to utilize damage models for fatigue life prediction.
    keywords: base; creep; fatigue; material; range; strain; stress; temperature; test
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        item: #87 of 1022
          id: fis-1298
      author: User
       title: Microsoft Word - numero_30_art_43
        date: 2014-09-03
       words: 4115
      flesch: 55
     summary: Microsoft Word - numero_30_art_43 M. Da Fonte et alii, Frattura ed Integrità Strutturale, 30 (2014) 360-368; DOI: 10.3221/IGF-ESIS.30.43 360 Focussed on: Fracture and Structural Integrity related Issues The effect of steady torsion on fatigue crack growth under rotating bending loading on aluminium alloy 7075-T6 M. da Fonte IDMEC & ICEMS, Department of Mechanical Engineering, Nautical School fonte@enautica.pt L. Reis, M. de Freitas IDMEC & ICEMS, Instituto Superior Técnico, Universidade de Lisboa luis.g.reis@ist.utl.pt, mfreitas@dem.ist.utl.pt ABSTRACT. The effect of a steady torsion on fatigue crack growth under rotating bending is focused in this paper.
    keywords: bending; crack; fatigue; growth; loading; mode; stress; torsion
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        item: #88 of 1022
          id: fis-1299
      author: User
       title: Microsoft Word - numero_30_art_44
        date: 2014-09-03
       words: 2226
      flesch: 50
     summary: [5] Carroll, J. D., Abuzaid, W., Lambros, J., Sehitoglu, H., High resolution digital image correlation measurements of strain accumulation in fatigue crack growth, International Journal of Fatigue, 57 (2013) 140-150. Digital Image Correlation; Fatigue test; Resonance Machines; Crack growth.
    keywords: crack; dic; image; resonance; specimen
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        item: #89 of 1022
          id: fis-13
      author: User
       title: Microsoft Word - numero 2 art 2 finale.doc
        date: 2007-09-18
       words: 4561
      flesch: 57
     summary: According to dimensional analysis and incomplete self-similarity concepts applied to the linear range of fatigue crack growth, a power-law asymptotic representation relating the parameter C to m and to the governing variables of the fatigue phenomenon is derived. Fatigue crack growth, Paris’ law parameters, Correlation, Dimensional analysis, Griffith- Irwin instability.
    keywords: correlation; crack; fatigue; fracture; growth; law; parameters; paris
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        item: #90 of 1022
          id: fis-1300
      author: User
       title: Microsoft Word - numero_30_art_45
        date: 2014-09-03
       words: 3327
      flesch: 58
     summary: The purpose of the paper is to use of a model of concrete for modelling of a behaviour of reinforced concrete beams which have been tested at the University of Toronto within re-examination of classic concrete beam tests. Microsoft Word - numero_30_art_45 O. Sucharda et alii, Frattura ed Integrità Strutturale, 30 (2014) 375-382; DOI: 10.3221/IGF-ESIS.30.45 375 Focussed on: Fracture and Structural Integrity related Issues Numerical modelling of reinforced concrete beams with fracture-plastic material O. Sucharda, J. Brozovsky VSB-TU Ostrava, Faculty of Civil Engineering oldrich.sucharda@vsb.cz, jiri.brozovsky@vsb.cz ABSTRACT.
    keywords: analysis; beam; concrete; input; modelling; models; stochastic
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        item: #91 of 1022
          id: fis-1301
      author: User
       title: Microsoft Word - numero_30_art_46
        date: 2014-09-03
       words: 4072
      flesch: 52
     summary: [19] Holušová, T., Seitl, S., Fernández-Canteli, A., Numerical support of experimental compact tension test on concrete cylindric specimens, Transactions of the VŠB – Technical University of Ostrava, Civil Engineering Series, No. 1 Vol. XIV, (2014).  Relationship between experimental test and numerical model results The results and estimated errors for the former numerical calculations, referred to work energy and fracture energy, and the tests performed are summarized in Tab. 3.
    keywords: bars; concrete; displacement; fracture; load; model; specimen; test
       cache: fis-1301.pdf
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        item: #92 of 1022
          id: fis-1302
      author: User
       title: Microsoft Word - numero_30_art_47
        date: 2014-09-03
       words: 3876
      flesch: 42
     summary: Conventional hardness measurements were also carried out in order to find a relationship between these tests and indentations parameters. Indentation tests can be used to probe hardness of materials, toughness, elastic modulus, elasto-plastic behaviour and constitutive laws evaluation by different reverse analysis methods of indentation load-displacement curve [10-16].
    keywords: analysis; components; damage; depth; indentation; load; material; parameters; stress; temperature
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        item: #93 of 1022
          id: fis-1303
      author: User
       title: Microsoft Word - numero_30_art_48
        date: 2014-09-03
       words: 2592
      flesch: 61
     summary: [10] Hosur, M.V., Mohammed, A.A., Zainuddin, S., Jeelani, S., Processing of nanoclay filled sandwich composites and their response to low velocity impact loading, Compos. Resins enhanced by nanoclays promote higher maximum impact loads, lower displacements and the best performance in terms of elastic recuperation.
    keywords: composites; epoxy; impact; load; nanoclays; resin
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        item: #94 of 1022
          id: fis-1304
      author: Pc
       title: Microsoft Word - numero_30_art_15
        date: 2014-09-04
       words: 3690
      flesch: 70
     summary: FATIGUE TESTS ollowing the same procedure described in [11], a series of fretting fatigue tests were performed. Fretting fatigue; Geometrical effects; Fatigue life model.
    keywords: crack; fatigue; initiation; length; life; models; stress; test
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        item: #95 of 1022
          id: fis-1305
      author: User
       title: Microsoft Word - numero_30_art_16
        date: 2014-09-03
       words: 5091
      flesch: 57
     summary: Finally the specimen arms thickness (t) is also a variable and one of the most important. t, mm (fixed) RM, mm Rm, mm Theta, º rr, mm dd, mm tt, mm (fixed) Maximum Stress, MPa/kN Stress Difference, % 1.0 61.7 22.5 71 5.9 51.3 0.166 146 0.657 1.2 62.2 21.9 68 5.0 52.0 0.200 109 0.931 1.5 62.7 22.0 64 5.0 52.4 0.250 87 0.859 2.0 63.9 22.3 36 5.8 52.4 0.334 76 0.587 2.5 61.6 22.3 60 5.5 51.7 0.416 53 0.784 3.0 60.1 22.3 66 5.2 51.7 0.500 37 0.753 4.0 58.7 25.8 38 9.1 51.3 0.666 29 0.284 5.0 56.0 25.8 45 9.6 49.9 0.834 22 0.616 6.0 56.7 25.8 43 9.8 50.1 1.000 19 0.825 8.0 63.4 28.6 72 9.8 55.1 1.200 15 0.715 10.0 65.1 28.6 70 9.9 57.6 1.500 10 0.932 Table 3: Optimal specimen geometry for each Renard series value of arms thickness.
    keywords: arms; center; geometry; level; optimization; specimen; spline; stress; thickness
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        item: #96 of 1022
          id: fis-1306
      author: User
       title: Microsoft Word - numero_30_art_49
        date: 2014-09-03
       words: 2106
      flesch: 57
     summary: Actuator case and cap geometry were acquired using a 3D scanner Fig. 10 e Fig. 11, the diameters were measured in 8 points as showed in Fig. Figure 10: Actuator case, digital geometry.
    keywords: actuator; cap; case; fatigue; fig; figure; fracture
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        item: #97 of 1022
          id: fis-1307
      author: User
       title: Microsoft Word - numero_30_art_50
        date: 2014-09-03
       words: 3166
      flesch: 58
     summary: The paper shows results obtained in case of a Duplex S-N curve with fatigue limit. In case of Duplex S-N curve with fatigue limit, the cumulative distribution function (cdf) of the fatigue life Y (i.e., logarithm of the number of cycles to failure) can be expressed as [8]:  1 t l tY X X XY surf Y int F F F F F F   (1) where Y surf F is the cdf of the fatigue life if crack nucleates superficially (i.e., of the random variable (rv) )
    keywords: distribution; fatigue; transition
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        item: #98 of 1022
          id: fis-1309
      author: User
       title: Microsoft Word - numero_30_art_52
        date: 2014-09-03
       words: 2732
      flesch: 63
     summary: [16] Standard test method for Mode I interlaminar fracture toughness of unidirectional fiber-reinforced polymer matrix composites, ASTM Standard D 5528-01. [9] Morais, A.B., Pereira, A.B., Application of the effective crack method to mode I and mode II interlaminar fracture of carbon/epoxy unidirectional laminates.
    keywords: compos; crack; fracture; interlaminar; length; load; mode
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        item: #99 of 1022
          id: fis-1310
      author: User
       title: Microsoft Word - numero_30_art_53
        date: 2014-09-03
       words: 4017
      flesch: 52
     summary: Microsoft Word - numero_30_art_53 L. Guerra Rosa et alii, Frattura ed Integrità Strutturale, 30 (2014) 438-445; DOI: 10.3221/IGF-ESIS.30.53 438 Focussed on: Fracture and Structural Integrity related Issues Integrated assessment procedure for determining the fracture strength of glass components in CSP systems L. Guerra Rosa, J. Cruz Fernandes, B. Li ICEMS & Dept. of Mechanical Engineering, Instituto Superior Tecnico Universidade de Lisboa, Av. The structural integrity and reliability of glass components are key issues for concentrated solar power (CSP) systems.
    keywords: crack; design; fracture; glass; strength; stress
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        item: #100 of 1022
          id: fis-1314
      author: User
       title: Microsoft Word - numero_30_art_18
        date: 2014-09-03
       words: 3579
      flesch: 54
     summary: To evaluate the safe bearing capacity of soil foundation and select appropriate dimensions of concrete foundation, when soil foundation is constructed from mixed soil, a numerical analysis has been made; ithas been attempted to appropriately improve stability of structures, to optimize application of mixed soil in soil foundation design, and to achieve realistic simulation of soil foundation design. The numerically wave theory concept has been applied in analyzing confined sandy dense columns, and the study indicated that the dense zone improves soil foundation bearing capacity [4].
    keywords: bearing; capacity; design; foundation; numerical; soil
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        item: #101 of 1022
          id: fis-1315
      author: User
       title: Microsoft Word - numero_30_art_19
        date: 2014-09-03
       words: 4141
      flesch: 52
     summary: 101 102 103 104 105 10 6 107 108 Number of cycles [-] 0.0001 0.001 0.01 0.1 1 10 100 1000 R el at iv e bo w in g, b/ L [m m /m ] Figure 4: Relative bowing b/L vs number of cycles for 20 different realizations of grain orientation distribution along the slab thickness. Marble slabs, typically used as façade panels to externally cover buildings, might permanently deform after a certain time of environmental exposure.
    keywords: bowing; calcite; crack; cycles; distribution; expansion; grain; marble; orientation; slab
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        item: #102 of 1022
          id: fis-1316
      author: User
       title: Microsoft Word - numero_30_art_20
        date: 2014-09-03
       words: 3719
      flesch: 58
     summary: In previous work [4–8], we developed a plasticity model to simulate the behaviour of materials under multiaxial loads from cyclic stress-strain curves obtained in uniaxial loading tests with a view to extending the applicability of the Local Strain Method to multiaxial loading. Stress integration was introduced in the two usual forms: implicitly and explicitly.
    keywords: increment; loading; stress
       cache: fis-1316.pdf
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        item: #103 of 1022
          id: fis-1317
      author: User
       title: Microsoft Word - numero_30_art_21
        date: 2014-09-03
       words: 1904
      flesch: 46
     summary: The statistical analysis of the FL time series emitted from impact damaged solids revealed the power law energy release distributions (scaling) in brittle materials, and exponential (Poisson- like) distributions in ductile materials. One can see that the distributions belonging to brittle materials contain log-linear portions (Fig. 3a), which represent the dependence: log10N(E>E)  – b log10E (1) (here b is the constant).
    keywords: damage; energy; materials; series; time
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        item: #104 of 1022
          id: fis-1318
      author: User
       title: Microsoft Word - numero_30_art_22
        date: 2014-09-03
       words: 3440
      flesch: 42
     summary: [27] Maletta, C., Young, M.L., Stress-induced martensite in front of crack tips in NiTi shape memory alloys: modeling versus experiments, Journal of Materials Engineering and Performances, 20 (2011) 597–604. [26] Maletta, C., Furgiuele, F., Fracture control parameters for NiTi based shape memory alloys, International Journal of Solids and Structures, 48 (11) (2011) 1658-1664.
    keywords: alloys; crack; fatigue; memory; niti; shape; stress; temperature; tip; transformation
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        item: #105 of 1022
          id: fis-1319
      author: User
       title: Microsoft Word - numero_30_art_23
        date: 2014-09-03
       words: 3591
      flesch: 55
     summary: Figure 2: Numerical model of wedge splitting specimens with boundary conditions, symmetrical half. K and T-stress calibration curves for foam concrete with marble plates forming the rectangular groove on the upper side of WST specimens are presented in [29].
    keywords: calibration; concrete; fracture; marble; materials; specimens; stress; values; wedge; wst
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        item: #106 of 1022
          id: fis-132
      author: Pc
       title: Microsoft Word - numero 20 articolo 1
        date: 2012-03-19
       words: 4934
      flesch: 63
     summary: Several crack extension criteria have been proposed in the past decades to describe crack paths under mixed mode loading conditions. Crack path; Kinked crack; Microstress fluctuation; Material microstructure.
    keywords: crack; criterion; field; fig; material; path; stress
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        item: #107 of 1022
          id: fis-1320
      author: User
       title: Microsoft Word - numero_30_art_55
        date: 2014-09-03
       words: 3217
      flesch: 49
     summary: In the last decades, different shape memory alloys have been optimized, such as the copper-zinc-aluminum (ZnCuAl), copper-aluminum-nickel (CuAlNi), nickel-manganese-gallium (NiMnGa), nickel-titanium (NiTi), and other SMAs obtained alloying zinc, copper, gold, iron, etc.. However, the near equiatomic NiTi binary system shows the most interesting properties and it is currently used in an increasing number of applications in many fields of engineering, for the realization of smart sensors and actuators, joining devices, hydraulic and pneumatic valves, release/separation systems, consumer applications and commercial gadgets [1, 2]. REFERENCES [1] Dong, Y., Boming, Z., Jun, L., A changeable aerofoil actuated by shape memory alloy springs, Materials Science and Engineering A, 485 (2008) 243–250.
    keywords: alloys; crack; memory; shape; sma
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        item: #108 of 1022
          id: fis-1322
      author: User
       title: Microsoft Word - numero_30_art_57
        date: 2014-09-03
       words: 3851
      flesch: 53
     summary: The speed of the electric motors is much higher than the combustion engine ones, bringing transmission gears to be subjected to high dynamic loads. The speed of the electric motors is much higher than the combustion engine ones, bringing transmission gears to be subjected to high dynamic loads.
    keywords: factor; force; gears; iso; simulation; speed
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        item: #109 of 1022
          id: fis-1323
      author: User
       title: Microsoft Word - numero_30_art_58
        date: 2014-09-07
       words: 3879
      flesch: 46
     summary: However, it is very difficult to trace a curve representative of the weight effect also because of the experimental data lack: until now direct measurements of track lateral strength have been carried out only with no more than two different weights of the track. CONCLUSIONS relevant set of data concerning lateral track strength, directly useful for track design and maintenance, will be obtained through a series of full scale tests carried out on a number of different track layouts with various geometric configurations.
    keywords: ballast; scenarios; tests; track
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        item: #110 of 1022
          id: fis-1324
      author: User
       title: Microsoft Word - numero_30_art_59
        date: 2014-09-03
       words: 4528
      flesch: 51
     summary: In order to evaluate the effect of nonlinearity of restrainer and supports on the elasto-plastic seismic response of continuous girder bridge, analytical models of continuous girder bridge structure considering the nonlinearity of movable supports, restrainers and bridge piers were built and the nonlinear time history analysis was conducted to evaluate the effect of nonlinearity of restraining devices and supports on the elasto-plastic seismic response of continuous girder bridge. Studies focusing separately on the nonlinearity of supports, seismic mitigation and isolation, restraining devices or elasto- plasticity of bridge piers are common [5,6] but studies considering simultaneously the nonlinearity of supports, contact of restraining devices and material nonlinearity are rare.
    keywords: devices; model; movable; piers; restraining; seismic; supports
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        item: #111 of 1022
          id: fis-1325
      author: User
       title: Microsoft Word - numero_30_art_24
        date: 2014-09-03
       words: 3919
      flesch: 62
     summary: 0.0 0.2 0.4 0.6 0.8 1.0 0.0 0.2 0.4 0.6 0.8 1.0 a/D a/ b m=2 0.0 0.2 0.4 0.6 0.8 1.0 0.0 0.2 0.4 0.6 0.8 1.0 m=2 a/D a/ b Figure 5: Evolution of the aspect ratio a/b with crack growth (represented by the relative crack depth a/D) for m=2, starting from different initial crack geometries under tension loading (left) and bending moment (right). 0.0 0.2 0.4 0.6 0.8 1.0 0.0 0.2 0.4 0.6 0.8 1.0 m=3 a/D a/ b 0.0 0.2 0.4 0.6 0.8 1.0 0.0 0.2 0.4 0.6 0.8 1.0 m=3 a/D a/ b Figure 6: Evolution of the aspect ratio a/b with crack growth (represented by the relative crack depth a/D) for m=3, starting from different initial crack geometries under tension loading (left) and bending moment (right).
    keywords: bending; compliance; crack
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        item: #112 of 1022
          id: fis-1326
      author: User
       title: Microsoft Word - numero_30_art_25
        date: 2014-09-03
       words: 4849
      flesch: 57
     summary: In view of this, stress controlled fatigue tests on plain specimens at different load ratios R (R=-1; R=0.1; R=0.5) were carried out. 230 130 50 50 Ø 2 5 R425 Ø 1 5 (a) 230 130 50 50 Ø 2 5 R285 Ø 1 0 (b) Figure 3: Specimens’ geometry adopted for fatigue tests having a) load ratio R=-1 e R=0.1 and b) R=0.5.
    keywords: cycles; fatigue; fig; load; material; mpa; stress; temperature; test
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        item: #113 of 1022
          id: fis-1327
      author: Pc
       title: Microsoft Word - Risitano-Fargione-Guglielmino-IGF_pulito
        date: 2014-09-19
       words: 4752
      flesch: 53
     summary: REFERENCES [1] Locati, L., An aid for the determination of fatigue limit in research and production, Metall. [21] Curà, F., Curti, G., Sesana, R., A new iteration method for the thermographic determination of fatigue limit in steels, Int.
    keywords: analysis; fatigue; function; limit; point; risitano; specimen; stress; temperature; time
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        item: #114 of 1022
          id: fis-1328
      author: User
       title: Microsoft Word - numero_30_art_60
        date: 2014-09-03
       words: 3077
      flesch: 43
     summary: As is shown in Tab. 1, the maximum moisture content of ancient wood is 578.68%, 4.14 times of the healthy wood (139.64%), while the basic density of waterlogged wood (0.16 g/cm3) is only one-third of that of healthy wood (0.48 g/cm3), indicating that Haimenkou site waterlogged wood has a severe degradation. Analysis of causes for the heavy decrease of compression strength parallel to grain of Haimenkou site waterlogged wood can be summarized as follows: 1) from macro-perspective, severe degradation leads to the shrinkage distortion of ancient wood in the process of air- seasoning.
    keywords: content; degradation; moisture; shrinkage; site; water; wood
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        item: #115 of 1022
          id: fis-1329
      author: User
       title: Microsoft Word - numero_30_art_61
        date: 2014-09-03
       words: 4563
      flesch: 61
     summary: The euphotic zone proportion will decrease with the increase of clearance in the process of plate fine blanking. Partial view Figure 3: Fine blanking process simulation of ring gears with both sides (a) V shape (b) step shaped (c) cone gear form Figure 4:
    keywords: blanking; fine; gear; pressure; quality; ring; stress; tooth; zone
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        item: #116 of 1022
          id: fis-133
      author: Pc
       title: Microsoft Word - numero 20 articolo 2
        date: 2012-03-19
       words: 3226
      flesch: 47
     summary: Risk modelling; Fuzzy risk assessment; Project risk. risk is defined as the potential for complications and problems with respect to the completion of a project and the achievement of a project goal [1] and as an uncertain future event or condition with the occurrence rate of greater than 0% but less than 100% that has an effect on at least one of project objectives (i.e., scope, schedule, cost, or quality, etc). The rational to use FST in project risk assessment are as follows; first, the modeling of vague input is successfully done with the use of membership functions.
    keywords: analysis; assessment; construction; engineering; journal; management; method; project; risk; system
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        item: #117 of 1022
          id: fis-1330
      author: User
       title: Microsoft Word - numero_30_art_62
        date: 2014-09-03
       words: 5035
      flesch: 57
     summary: [18] draw a conclusion that most of external work was converted into rock elastic strain energy before yielding. The study results show that the change rates of dissipated strain energy are essentially the same in compaction and elastic stages, while the change rate of dissipated strain energy in the plastic segment shows a linear increase, so that the maximum sharp point of the change rate of dissipated strain energy is the failure point.
    keywords: damage; energy; failure; point; rate; rock; strain; stress; unloading
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        item: #118 of 1022
          id: fis-1331
      author: User
       title: Microsoft Word - numero_30_art_63
        date: 2014-09-03
       words: 5299
      flesch: 60
     summary: α N σ σ λ α N σ σ λ α N α (21a)                * * 1 3 1 2 1 2 ,s I For the purposes of showing the state of surrounding rock damage in the post-processing, second order damage tensor is converted to a first-order damage scalar when output the results file, expressed as   2 2 21 2 3D D D D .
    keywords: calculation; children; damage; earthquake; equation; palace; rock; strain; stress; time
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        item: #119 of 1022
          id: fis-1332
      author: User
       title: Microsoft Word - numero_30_art_64
        date: 2014-09-03
       words: 4046
      flesch: 63
     summary: In addition, bit manipulation, the most basic operation in the computer, occupied the absolute advantage in calculation speed because the hardware of the computer only identifies 0 and 1. 2) Measurement of length and width In practical crack image, absolute across and down do not exist. [8] have found that the parameter genetic algorithm of image processing can be semi-automatically optimized for the effective accurate detection of cracks.
    keywords: area; crack; gray; image; method; value
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        item: #120 of 1022
          id: fis-1333
      author: User
       title: Microsoft Word - numero_30_art_65
        date: 2014-09-03
       words: 3657
      flesch: 34
     summary: For theoretical analysis purposes, the following problems arise among the computing methods for calculating the lateral layer stiffness of hospital building structures: (1) the rigidity of the structural component or lateral layer is the only parameter related to the physical and geometric characteristics of the component and its composing structure, namely once the structure takes shape it becomes the inherent characteristic of the structure itself, which is only related to its own physical geometric characteristics and has nothing to do with the external load, but both iV and i in type (1) are the calculation results determined by the lateral force, and they are inevitably related with the external load, which changes along with lateral layer rigidity [4]. Lateral layer stiffness must be the summation of the lateral rigidity of the rotational constraints on both ends considered by this group of vertical components.
    keywords: calculation; component; layer; rigidity; shear; stiffness; storey
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        item: #121 of 1022
          id: fis-1334
      author: Pc
       title: Microsoft Word - numero_30_art_66
        date: 2014-09-04
       words: 2359
      flesch: 65
     summary: Considering an isotropic elastic material behaviour, the stress tensor can be written as a function of strain field according to the constitutive equations, for plane stress it follows: 2 1 0 1 0 1 1 0 0 2 xx xx Digital image correlation; Plastic zone; Virtual Fields Method; Fracture mechanics.
    keywords: fields; plastic; strain; zone
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        item: #122 of 1022
          id: fis-1335
      author: User
       title: Microsoft Word - numero_30_art_67
        date: 2014-09-05
       words: 5518
      flesch: 59
     summary: φ =0° λ =1 56.4 56.4 200.0 186.6 0 φ =90° λ =1 53.3 53.3 152.1 141.9 Table 3: Effective stress values provided by the IG approach. For the SED approach, errors have been computed on the squared roots of the obtained values, because SED is an energy and not a stress; elsewhere errors of the SED approach should be incorrectly too high compared to errors defined on stress values.
    keywords: fatigue; loading; notch; parametric; strength; stress; tensile; values
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        item: #123 of 1022
          id: fis-1336
      author: User
       title: Microsoft Word - numero_30_art_68
        date: 2014-09-05
       words: 3578
      flesch: 61
     summary: The fatigue crack initiation in the gigacycle regime seems to occur essentially inside the specimen [1] and not at the surface as it generally occurs in the low cycle fatigue (LCF) and high cycle fatigue (HCF) regime. he fatigue tests were performed without cooling at R= -1 and f= 20 kHz by a piezoelectric fatigue machine (Fig. 1a).
    keywords: cycles; failure; fatigue; life; regime; steel; temperature; tests
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        item: #124 of 1022
          id: fis-1338
      author: User
       title: Microsoft Word - numero_30_art_70
        date: 2014-09-08
       words: 4152
      flesch: 65
     summary: Ballast resistance; Track stability; Full scale test; CWR track; Railway track; Railway scenarios simulation; Test field. [10] Esveld, C., A better understanding of continuous welded rail track, Rail Engineering International Edition, 4 (1996).
    keywords: ballast; rfi; scenarios; sleeper; test; track
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        item: #125 of 1022
          id: fis-1339
      author: User
       title: Microsoft Word - numero_30_art_27
        date: 2014-09-03
       words: 4896
      flesch: 55
     summary: Microsoft Word - numero_30_art_27 C. Barile et alii, Frattura ed Integrità Strutturale, 30 (2014) 211-219; DOI: 10.3221/IGF-ESIS.30.27 211 Focussed on: Fracture and Structural Integrity related Issues Considerations on the choice of experimental parameters in residual stress measurements by hole-drilling and ESPI C. Barile, C. Casavola, G. Pappalettera, C. Pappalettere Dipartimento di Meccanica, Matematica e Management, Politecnico di Bari, viale Japigia 182, Bari, Italy claudia.barile@poliba.it ABSTRACT. [13] Pechersky M.J., Miller R.F., Vikram C.S., Residual stress measurements with laser speckle correlation interferometry and local heat treating, Opt.
    keywords: analysis; drilling; hole; measurement; mpa; radius; stress; stresses; value
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        item: #126 of 1022
          id: fis-1340
      author: User
       title: Microsoft Word - numero_30_art_28
        date: 2014-09-04
       words: 3104
      flesch: 52
     summary: As briefly mentioned above, the state of the art [1-7] shows that, in general, the mechanical response, the mechanical properties, and the cracking behaviour of metallic materials subjected to dynamic loading are different from the ones observed under quasi-static loading. REFORMULATING THE TCD TO DESIGN NOTCHED METALS AGAINST DYNAMIC LOADING s far as notched materials subjected to quasi-static loading are concerned, the TCD postulates that static strength can accurately be estimated by directly post-processing the entire stress field acting on the material in the vicinity of the stress raiser being assessed [11].
    keywords: loading; material; method; rate; strength; stress; tcd
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        item: #127 of 1022
          id: fis-1341
      author: User
       title: Microsoft Word - numero_30_art_29
        date: 2014-09-03
       words: 5698
      flesch: 57
     summary: N. Petrone et alii, Frattura ed Integrità Strutturale, 30 (2014) 226-236; DOI: 10.3221/IGF-ESIS.30.29 234 (a) (b) Figure 6: Vertical fatigue test bench. (a) (b) Figure 5: Horizontal fatigue test bench (a) Sketch of the Horizontal Fatigue test bench.
    keywords: bench; components; fatigue; field; fig; force; frame; petrone; procedure; scooter; strain; tests
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        item: #128 of 1022
          id: fis-1343
      author: User
       title: Microsoft Word - numero_30_art_31
        date: 2014-09-03
       words: 2816
      flesch: 57
     summary: Biaxial fatigue; Proportional loading; Fatigue crack growth; Crack initiation INTRODUCTION nderstanding the behaviour of engineering components under biaxial load is crucial for a number of industries, including aerospace, automobile and power generation industries. During the initiation, fatigue crack growth is different to that predicted by the above mentioned models, and oscillations are commonly observed on the growth curves.
    keywords: crack; crespo; fatigue; fig; hole; lopez; strain
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        item: #129 of 1022
          id: fis-1344
      author: User
       title: Microsoft Word - numero_30_art_32
        date: 2014-09-03
       words: 4937
      flesch: 56
     summary: However, it was found that in CCB shallow crack (a/R=0.2) result in similar constraint as for SENT with a/W=0.5. High speed video camera was used to monitor crack tip blunting development and first crack initiation for CTOD determination.
    keywords: ccb; crack; ctod; damage; fracture; load; material; sent; stress; tip; toughness
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        item: #130 of 1022
          id: fis-1345
      author: User
       title: Microsoft Word - numero_30_art_33
        date: 2014-09-03
       words: 5910
      flesch: 52
     summary: Summarizing remarks It is worth emphasizing the following interesting findings: – A rather significant correlation of the resistivity measurements and the effective crack length was observed only in the case of pre-dried surface specimens and not in the case of the wet surface ones. Cementitious composite; Three-point bending test; Electrical resistivity; Ultrasound pulse passing time; Effective crack length; Moisture. INTRODUCTION AND MOTIVATION he paper is aimed at durability issues of reinforced and pre-stressed concrete civil engineering structures.
    keywords: concrete; crack; crack length; fracture; length; measurements; resistivity; samples; specimens; surface; test
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        item: #131 of 1022
          id: fis-1346
      author: User
       title: Microsoft Word - numero_30_art_34
        date: 2014-09-03
       words: 3454
      flesch: 57
     summary: 0 50 100 150 200 250 300 350 0 50 100 150 200 250 300 350  (MPa)  (M P a ) Experimental Ellipse quadrant Ellipse arc Figure 5: Experimental fatigue limits for the biaxial tests. In-phase tests (R=-1) SUMMARY AND CONCLUSIONS ISI 304L stainless steel cylindrical specimens were subjected to biaxial loading fatigue tests in order to construct the S–N curves for the material.
    keywords: biaxial; crack; direction; fatigue; tests
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        item: #132 of 1022
          id: fis-1347
      author: User
       title: Microsoft Word - numero_30_art_35
        date: 2014-09-03
       words: 5967
      flesch: 47
     summary: 64 15, , , , , 0, , , 0 , ,total total total total total plastic totale 31 42, , , , , 0, , , 0 , ,total total total total total plastic totala b c d polyfit             
    keywords: behaviour; cyclic; hysteresis; loading; model; plastic; strain; stress; total
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        item: #133 of 1022
          id: fis-1348
      author: User
       title: Microsoft Word - numero_31_art_1
        date: 2014-12-04
       words: 6552
      flesch: 58
     summary: [27], regarding the adherend stiffness influence on the fatigue failure of bonded joints, which proved by Finite Elements that the plastic zone in adhesive joints between steel adherends was consistently higher than identical joints between aluminium adherends during the entire damage uptake process up to crack initiation. When using the Finite Element Method with advanced propagation laws, the tensile (Gnc) and shear (Gsc) fracture toughness of adhesive joints must be determined with accuracy.
    keywords: adherends; adhesive; campilho; configuration; curve; fracture; gnc; joints; law; r.d.s.g; value
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        item: #134 of 1022
          id: fis-1349
      author: User
       title: Microsoft Word - numero_31_art_2
        date: 2014-12-04
       words: 4809
      flesch: 57
     summary: Microsoft Word - numero_31_art_2 J. Xavier et alii, Frattura ed Integrità Strutturale, 31 (2015) 13-22; DOI: 10.3221/IGF-ESIS.31.02 13 Determining mode I cohesive law of Pinus pinaster by coupling double cantilever beam test with digital image correlation J. Xavier Centre for the Research and Technology of Agro-Environmental and Biological Sciences, CITAB, University of Trás-os-Montes and Alto Douro, UTAD, Quinta de Prados, 5000-801 Vila Real, Portugal. INEGI, FEUP, University of Porto, Rua Dr. Roberto Frias, 4200-465 Porto, Portugal. Wood; Mode I fracture mechanics; Double cantilever beam test; Cohesive law; Digital image correlation.
    keywords: cbbm; crack; dcb; irwin; law; mode; test; wood; xavier
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        item: #135 of 1022
          id: fis-135
      author: Pc
       title: Microsoft Word - numero 20 articolo 4
        date: 2012-03-19
       words: 1705
      flesch: 48
     summary: Statistical Fracture Mechanics; Brittle materials; Crack trajectories; Fractal dimension; Sandstone; Concrete. D is statistical parameter reflecting the tendency of crack trajectories to deviate from central axis [5].
    keywords: crack; trajectories
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        item: #136 of 1022
          id: fis-1350
      author: User
       title: Microsoft Word - numero_31_art_3
        date: 2014-12-04
       words: 7032
      flesch: 50
     summary: While the failure at side wood members corresponded to brittle failure modes, the failure at the central member corresponded to ductile failure modes. The load transfer between wood members was assured by means of a steel dowel, which is representative of the most common joining technique applied for structural details in wooden structures.
    keywords: behaviour; centre; damage; displacement; dowel; experimental; failure; fig; member; model; plastic; tab; wood
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        item: #137 of 1022
          id: fis-1351
      author: User
       title: Microsoft Word - numero_31_art_4
        date: 2014-12-04
       words: 8129
      flesch: 54
     summary: [30] Stähli, P., Custer, R., On flow properties, fibre distribution, fibre orientation and flexural behaviour of FRC, Materials and Structures, 41 (2008) 189-196. Microsoft Word - numero_31_art_4 A. Abrishambaf et alii, Frattura ed Integrità Strutturale, 31 (2015) 38-53; DOI: 10.3221/IGF-ESIS.31.04 38 The influence of fibre orientation on the post-cracking tensile behaviour of steel fibre reinforced self-compacting concrete A. Abrishambaf, V.M.C.F. Cunha, J.A.O. Barros ISISE, Dep.
    keywords: concrete; crack; distribution; fibre; orientation; series; splitting; stress; tensile; test
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        item: #138 of 1022
          id: fis-1352
      author: User
       title: Microsoft Word - numero_31_art_5
        date: 2014-12-04
       words: 5709
      flesch: 52
     summary: “Bond stresses” is the designation ascribed to the shear stresses that arise at the rebar / concrete interface. Nevertheless, alternatively, a more robust non-linear relationship between bond stress and slip can be used.
    keywords: behaviour; bond; concrete; fig; model; pullout; rebar; results; slip; stress
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        item: #139 of 1022
          id: fis-1353
      author: User
       title: Microsoft Word - numero_31_art_6
        date: 2014-12-04
       words: 6445
      flesch: 54
     summary: T J. Lopes et alii, Frattura ed Integrità Strutturale, 31 (2015) 67-79; DOI: 10.3221/IGF-ESIS.31.06 74 For hybrid beams however a modified version of Eq. The apparent ILSS was determined by short beam test, a three-point bending test.
    keywords: beam; cfrp; composite; elements; hybrid; ilss; numerical; reference; results; shear; specimens; steel; stress; treatment
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        item: #140 of 1022
          id: fis-1354
      author: User
       title: Microsoft Word - numero_31_art_7
        date: 2014-12-09
       words: 7921
      flesch: 59
     summary: [13] was one of the first researchers to use the local strain approaches to model fatigue crack propagation. PROCEDURE TO GENERATE PROBABILISTIC FATIGUE CRACK PROPAGATION FIELDS he procedure proposed to derive probabilistic fatigue crack propagation fields may be summarized into the following steps: 1) Estimation of the Weibull parameters for the p-SWT-N or p-εa-N fields, using experimental εa-N or SWT-N data from smooth specimens; 2) Application of the UniGrow model together with the probabilistic fatigue damage models; 3) Computation of the p-da/dN-K-R fields.
    keywords: crack; crack propagation; fatigue; fatigue crack; field; model; probabilistic; propagation; steel; strain; stress; tip
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        item: #141 of 1022
          id: fis-1356
      author: User
       title: Microsoft Word - numero_31_art_9
        date: 2014-12-05
       words: 3578
      flesch: 47
     summary:       (4) which leads, using the notations in (2), to the required dependence of the mechanical fracture energy of PCM on its basic formulation parameters:   2 3 3 2 1 23 1 3   3 2 2 3 1 1 1.25 29 exp  0.225 10   2 21 m b b b b ch r g b m W RT T T a        f R f R f R f R f R f                    where R1 and R2 are molecular chains of two rubber substances with two kinds of reactive end groups f1 and f2; R3 – a molecule of the cross-linking agent with three antipodal reactive groups – f3; combinations of subscripts at f denote the chemical reaction products of i-th and j-th antipodal reactive end groups of R1-type and R2-type bifunctional polymers, as well as R3-type cross-linking trifunctional agent.
    keywords: binder; energy; fraction; fracture; polymer; volume
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        item: #142 of 1022
          id: fis-1358
      author: User
       title: Microsoft Word - numero_31_art_10
        date: 2014-12-05
       words: 6522
      flesch: 60
     summary: This paper discusses the effect of different surface treatments on shape memory alloy wires embedded in PolyEster (PE) and VinylEster (VE) polymeric matrices. [43] Chang, B.-C., Shaw, J.-A., Iadicola, M.A., Thermodynamics of shape memory alloy wire: modeling, experiments, and application, Continuum Mech.
    keywords: adhesion; alloy; fig; interfacial; load; matrix; memory; pull; samples; shape; stress; surface; wire
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        item: #143 of 1022
          id: fis-1359
      author: User
       title: Microsoft Word - numero_31_art_11
        date: 2014-12-09
       words: 3782
      flesch: 59
     summary: Furthermore, crack growth can be undertaken by extending the crack position. An updated finite element model is then created and run to simulate crack growth (Fig. 1).
    keywords: blocks; crack; fatigue; fem; fig; growth; mesh
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        item: #144 of 1022
          id: fis-137
      author: User
       title: Microsoft Word - numero 21 articolo 1.doc
        date: 2012-06-25
       words: 4109
      flesch: 40
     summary: Transformed martensite D: Stabilized martensite f AM  s f AM AM    s AM  http://www.gruppofrattura.it http://dx.medra.org/10.3221/IGF-ESIS.21.01&auth=true C. Maletta et alii, Frattura ed Integrità Strutturale, 21 (2012) 5-12; DOI: 10.3221/IGF-ESIS.21.01 10 Recovery energy ratio for indentation loads above 150 mN. This suggests that the greater amount of material stressed reversibly at higher indentation loads, and thus the greater recovery energy available, balances the increased amount of dissipated energy involved in the indentation process at higher indentation loads. Indentation tests have been carried out at room temperature using a spherical diamond tip and indentation loads in the range 50-500 mN in order to promote a large stress-induced transformation zone in the indentation region and, consequently, to avoid local effects due to microstructural variations.
    keywords: alloy; depth; indentation; load; material; response; stress; temperature; transformation
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        item: #145 of 1022
          id: fis-139
      author: User
       title: Microsoft Word - numero 21 articolo 3.doc
        date: 2012-06-25
       words: 2577
      flesch: 48
     summary: Since both methods are based on local interpolation of experimental data, irregularities and/or anomalies in the data distribution, for the first method, and the number of data points chosen for the best-fit parabola, for the second one, affect significantly the results. http://www.gruppofrattura.it http://dx.medra.org/10.3221/IGF-ESIS.21.03&auth=true A. De Iorio et alii, Frattura ed Integrità Strutturale, 21 (2012) 21-29; DOI: 10.3221/IGF-ESIS.21.03 24 Figure 7: Crack growth data with best-fit curves.
    keywords: crack; data; figure; model; set
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        item: #146 of 1022
          id: fis-14
      author: User
       title: Microsoft Word - numero 2 art 3.doc
        date: 2007-09-13
       words: 3989
      flesch: 64
     summary: In questo modo è stato possibile ottene- re una curva estesa su sei decadi di velocità di avanza- mento con una buona sovrapposizione dei dati (come mostrato in Fig. 9) alle diverse temperature. L.Andena et al., Frattura ed Integrità Strutturale, 2 (2007) 17-24 23 5 CONCLUSIONI I risultati ottenuti hanno confermato la validità di un ap- proccio di meccanica della frattura per la caratterizzazio- ne di polibutene utilizzati per la realizzazione di tubi in pressione.
    keywords: che; con; della; fig; frattura; materiale; modello; pb1; pressione; propagazione; prove; senb; sono; temperatura; tubi; una
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        item: #147 of 1022
          id: fis-141
      author: User
       title: Microsoft Word - numero 21 articolo 5.doc
        date: 2012-06-25
       words: 4564
      flesch: 45
     summary:  a temperature increase was shown to give a decrease of attitude angle β and an increase in pressure peak;  an increase of viscosity-to-pressure sensitivity (α value) gives a general increase of peak pressure, especially for pressure peaks greater than about 100 MPa;  the temperature effect was shown to be generally larger than pressure effect on pressure distribution;  the elastic deformation of journal bearing elements gives a more uniform pressure distribution, with a reduced maximum pressure peak compared to the case of perfectly rigid components. Obtained results show the great influence of elastic deformation of bearing components on oil pressure distribution, compared with results for ideally rigid components obtained by Raimondi and Boyd solution. KEYWORDS.
    keywords: analysis; bearing; components; distribution; equation; journal; oil; pressure; temperature; viscosity
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        item: #148 of 1022
          id: fis-142
      author: User
       title: Microsoft Word - numero 21 articolo 6.doc
        date: 2012-06-27
       words: 2821
      flesch: 53
     summary: But there are only a few works devoted to direct investigation of temperature evolution at fatigue crack tip. An original mathematical algorithm for experimental data treatment was developed to obtain a power of heat source caused by plastic deformation at crack tip.
    keywords: crack; fatigue; heat; loading; temperature; tip
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        item: #149 of 1022
          id: fis-1449
      author: PCCC
       title: Microsoft Word - numero_32_art_1
        date: 2015-03-17
       words: 4590
      flesch: 69
     summary: From Fig. 8 it can be seen that normalized mode I SIF (KI/K0) for H=0.5 mm reduces drastically to about 66% value as compared to single edge crack. As the crack offset distance increases beyond H=0.5 mm the normalised mode I stress intensity factor starts increasing, and its value becomes 95% of single edge crack when H becomes 20 mm.
    keywords: crack; edge; element; fig; intensity; mode; sif; stress; tip
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        item: #150 of 1022
          id: fis-145
      author: User
       title: Microsoft Word - numero 22 articolo 1.doc
        date: 2012-09-25
       words: 2133
      flesch: 63
     summary: The stress intensity factors for non parallel cracks have similar value for upper and lower cracks, whereas in case of parallel cracks the value of stress intensity factor is E http://dx.medra.org/10.3221/IGF-ESIS.22.01&auth=true http://www.gruppofrattura.it R. K. Bhagat et alii, Frattura ed Integrità Strutturale, 22 (2012) 5-11; DOI: 10.3221/IGF-ESIS.22.01 11 lower for lower crack in comparison to upper crack. Effects of crack inclination angle on stress intensity factors for two parallel and non parallel cracks are investigated.
    keywords: angle; crack; inclination; parallel; stress
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        item: #151 of 1022
          id: fis-1450
      author: PCCC
       title: Microsoft Word - numero_32_art_2
        date: 2015-03-17
       words: 4745
      flesch: 63
     summary: INTRODUCTION owadays, there are several industrial applications in which magnetorheological fluids (MRFs) are used [1-3]. [6] Spaggiari, A., Dragoni, E., Effect of internal pressure on flow properties of magnetorheological fluids, in: ASME 2011 Conference on Smart Materials, Adaptive Structures and Intelligent Systems, 1 (2011) 7–15.
    keywords: damper; design; fig; fluid; head; magnetic; piston; pressure; rod
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        item: #152 of 1022
          id: fis-1451
      author: PCCC
       title: Microsoft Word - numero_32_art_3
        date: 2015-03-17
       words: 4525
      flesch: 61
     summary: The traction-free link L0 corresponds to the hole, links L1 and L3 are radial cracks and links L2 and L4 represent the plastic zones. Present approach 590 1082 Deviation,% N/A 3.4 Table 1: Critical crack length (specimen: 2219-T87, ts=3.17 mm) CONCLUSIONS
    keywords: crack; n n;  ;  
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        item: #153 of 1022
          id: fis-1452
      author: PCCC
       title: Microsoft Word - numero_33_art_1
        date: 2015-04-12
       words: 3109
      flesch: 61
     summary: T D. Nowell et alii, Frattura ed Integrità Strutturale, 33 (2015) 1-7; DOI: 10.3221/IGF-ESIS.33.01 2 MACROSCOPIC MEASUREMENTS ur earlier work on the measurement of crack tip displacement fields has employed a long range microscope, focused on an area approximately 600 x 400 m close to the crack tip [4] Nowell, D., Kartal, M.E., and de Matos, P.F.P., Characterisation of crack tip fields under non-uniform fatigue loading, Proc.
    keywords: crack; data; displacement; fig; images; loading; tip
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        item: #154 of 1022
          id: fis-1453
      author: PCCC
       title: Microsoft Word - numero_33_art_52
        date: 2015-06-12
       words: 7167
      flesch: 56
     summary: (10), we can get the modified micromechanical model of CNT reinforced metal matrix composites to describe their thermo-viscoplastic flow behaviors: 1/2 2 2 2 2 2 1 1 1 11 1 2 0 0 ( ) 1 = ( ) [6] Salimi, S., Izadi, H., Gerlich, A.P., Fabrication of an aluminum–carbon nanotube metal matrix composite by accumulative roll-bonding, J Mater Sci., 46 (2011) 409-415.
    keywords: cnt; cnts; composite; length; matrix; model; strain; strength; stress; volume
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        item: #155 of 1022
          id: fis-1454
      author: PCCC
       title: Microsoft Word - numero_33_art_51
        date: 2015-06-11
       words: 4445
      flesch: 77
     summary: The present paper is aimed at developing an approximate and simple expression of the crack face displacement for collinear cracks and center crack subjected to mode I loading conditions. This is the limiting condition for collinear cracks in an infinite plate and for center cracks in a finite plate.
    keywords: crack
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        item: #156 of 1022
          id: fis-1456
      author: PCCC
       title: Microsoft Word - numero_33_art_49
        date: 2015-04-13
       words: 3238
      flesch: 57
     summary: In this setting, notch methodologies could be applied to fretting fatigue if the surface damage could be regarded as negligible. CONCLUSIONS n engineering methodology for fatigue life estimation of mechanical couplings subjected to fretting fatigue was presented in this paper.
    keywords: contact; distance; failure; fatigue; life; method; stress
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        item: #157 of 1022
          id: fis-1457
      author: PCCC
       title: Microsoft Word - numero_33_art_48
        date: 2015-04-13
       words: 5330
      flesch: 52
     summary: According to previous equations, hydrogen diffusion is driven by: (i) the negative gradient of hydrogen concentration (in the classical Fick´s sense); (ii) the positive gradient of hydrostatic stress; (iii) the positive gradient of hydrogen solubility, the latter is one-to-one related to the gradient of equivalent plastic strain so that the plastic strain gradient can be analysed instead of the hydrogen solubility gradient. -3500 -3000 -2500 -2000 -1500 -1000 -500 0 500 3.6 3.8 4 4.2 4.4 4.6 =60º =20º =10º =5º =2º =0º  ( M P a ) r (mm) (a) (b) Figure 6: Distribution of hydrostatic stress: (a) 3D view of the contacting plane and (b) radial distribution for diverse circumferential coordinate . J. Toribio et alii, Frattura ed Integrità Strutturale, 33 (2015) 434-443; DOI: 10.3221/IGF-ESIS.33.48 439 For completing the analysis of hydrogen diffusion and accumulation on the rod during life in service, the information obtained from the estimation of hydrogen concentration in the radial direction [2,3] can be completed by a discussion of the implications of diffusion in the circumferential direction.
    keywords: contact; distribution; hydrogen; plastic; rod; strain; stress; surface
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        item: #158 of 1022
          id: fis-1458
      author: PCCC
       title: Microsoft Word - numero_33_art_47
        date: 2015-04-13
       words: 4025
      flesch: 66
     summary: Under the typical partial slip conditions under which fretting fatigue takes place, the amount of superficial damage is small. Positive results of such simulations can lead us to design an experimental program that can bring more firm conclusions on the use of pure stress-based approaches, which do not include the wear damage, in the modeling of fretting fatigue.
    keywords: distance; fatigue; fretting; material; notch; stress;  ;  
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        item: #159 of 1022
          id: fis-1461
      author: PCCC
       title: Microsoft Word - numero_33_art_44
        date: 2015-04-13
       words: 2888
      flesch: 66
     summary: The main result of this set of experiments is that very different crack growth rates and crack paths are observed for load paths that are however considered as equivalent in most fatigue criteria. A set of experiments was therefore conducted in order to characterize specifically the importance of the load path effect on mixed mode fatigue crack growth, all the other effects being as far as possible kept the same.
    keywords: crack; fatigue; fig; load; mode; path
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        item: #160 of 1022
          id: fis-1462
      author: PCCC
       title: Microsoft Word - numero_33_art_43
        date: 2015-04-13
       words: 3235
      flesch: 70
     summary:   , , ,2 4 , , 1 2 1 2 1 2 1 2 1 2 1 1 max , 2 2 1 1 2 2 1 1 1 1 max , 2 2 2 2 n a eq n a n m T T V V V V T T T S V V T T V V S V V S b n n n n b n n n n n n b b b b n b n n b n                                                    Tn a V V Vn n n n n n         
    keywords: n n; n 
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        item: #161 of 1022
          id: fis-1463
      author: PCCC
       title: Microsoft Word - numero_33_art_42
        date: 2015-04-30
       words: 4300
      flesch: 54
     summary: The aim of the present research is to check the accuracy of the Modified Wöhler Curve Method (MWCM) in estimating the fatigue strength of friction stir (FS) welded tubular joints of Al 6082-T6 subjected to in-phase and out-of-phase multiaxial fatigue loading. The way the MWCM estimates fatigue lifetime under multiaxial fatigue loading is schematically shown via the modified Wöhler diagram sketched in Fig. 5.
    keywords: cycles; fatigue; joints; loading; mwcm; stir; stress; susmel; welding
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        item: #162 of 1022
          id: fis-1465
      author: PCCC
       title: Microsoft Word - numero_33_art_41
        date: 2015-04-30
       words: 2811
      flesch: 57
     summary: Engineering structures and components are often subjected to random fatigue loading produced, for example, by wind turbulences, marine waves and vibrations. It consists of the following three steps: (i) definition of the critical plane; (ii) PSD evaluation of an equivalent normal stress; (iii) determination of fatigue life.
    keywords: domain; fatigue; frequency; life; loading; psd; stress
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        item: #163 of 1022
          id: fis-1466
      author: HYY
       title: Microsoft Word - numero_33_art_3
        date: 2015-04-30
       words: 4428
      flesch: 65
     summary: Figure 1: Notation for crack tip stress field. Assuming that Poisson’s ratio, v > 0, then kinematics considerations for an antisymmetric loading [1-2] show that modes II and III crack tip surface displacements cannot exist in isolation.
    keywords: corner; crack; mode; point; surface
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        item: #164 of 1022
          id: fis-1467
      author: PCCC
       title: Microsoft Word - numero_33_art_40
        date: 2015-04-30
       words: 3351
      flesch: 59
     summary: Filtering techniques have been proposed for multiaxial load histories, usually aiming to filter out non-reversals, i.e. sampling points that do not constitute a reversal in any of its stress or strain components. [6] Meggiolaro, M.A., Castro, J.T.P., Prediction of non-proportionality factors of multiaxial histories using the Moment Of Inertia method, Int.
    keywords: fig; filter; history; racetrack; strain
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        item: #165 of 1022
          id: fis-1468
      author: PCCC
       title: Microsoft Word - numero_33_art_39
        date: 2015-05-30
       words: 6169
      flesch: 55
     summary: The main rules in the evolution of these yield and hardening surfaces are: (i) they must translate as rigid bodies when the point s  that defines the current deviatoric stress state in the E5s space reaches their boundaries, to guarantee that such stress point is never outside any surface. Mróz multi-surface two-surface NLK multi-surface Number M of yield and hardening surfaces: M  2 M 2 M  1 Surface translation during plastic straining: no translation outside active surface the yield and all hardening surfaces (including the bounding surface) translate Surface translation direction iv  : defined by linear rules such as Mróz Mróz for 1d  ; linear or non-linear rule for 1 2d d     defined by non-linear rules Surface backstress variation 1d  during plastic straining: 1d  from the active surface i
    keywords: hardening; models; mróz; multi; stress; surface; translation; yield
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        item: #166 of 1022
          id: fis-1469
      author: PCCC
       title: Microsoft Word - numero_33_art_4
        date: 2015-04-12
       words: 4310
      flesch: 60
     summary: Direct determination of SIF and higher order terms of mixed mode cracks by a hybrid crack element, Int. [9] Ayatollahi, M.R, Nejati, M. An over-deterministic method for calculation of coefficients of crack tip asymptotic field from finite element analysis, Fatigue Fract.
    keywords: crack; criterion; fracture; parameter; stress; tip
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        item: #167 of 1022
          id: fis-1470
      author: PCCC
       title: Microsoft Word - numero_33_art_5
        date: 2015-05-30
       words: 4019
      flesch: 65
     summary: Later on, the PSM has been extended to cracks subjected to mode I as well as mode II stresses [18] Berto, F., Lazzarin, P., Multiparametric full-field representations of the in-plane stress fields ahead of cracked components under mixed mode loading, Int.
    keywords: crack; loading; mode; peak; stress
       cache: fis-1470.pdf
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        item: #168 of 1022
          id: fis-1473
      author: None
       title: None
        date: 2015-05-21
       words: 2228
      flesch: 59
     summary: 1. Figure 1: Optical micrograph of a mode II intragranular crack fatigue crack observed after 100 000 kcycle (max=95 MPa). To discuss the change of crack propagation mode from Mode III to Mode I in the bulk of the sample, the values of stress intensity factors for a crack in torsion have been calculated by FEM analysis.
    keywords: crack; fatigue; mode; sample; surface
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        item: #169 of 1022
          id: fis-1474
      author: PCCC
       title: Microsoft Word - numero_33_art_8
        date: 2015-04-12
       words: 2961
      flesch: 63
     summary: Here we look at the practicalities of conducting fretting tests using a range of different kinds of apparatus and the kind of results they can reveal of practical relevance to establishing a fretting database. A D. A. Hills et alii, Frattura ed Integrità Strutturale, 33 (2015) 61-66; DOI: 10.3221/IGF-ESIS.33.08 64 BRIDGE TYPE SPECIMENS ong before our understanding of partial slip contact problems had developed to the point it has now, and before clear separation of the nucleation and propagation phases of crack growth were considered, materials scientists were conducting fretting tests in which ‘bridges’ were clamped to either rotating-bending or simple tension dogbone specimens.
    keywords: complete; contact; corner; fatigue; hills; slip; test
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        item: #170 of 1022
          id: fis-1475
      author: PCCC
       title: Microsoft Word - numero_33_art_9
        date: 2015-04-24
       words: 2756
      flesch: 64
     summary: DIC; Crack tip; Error analysis; Fatigue crack growth; Strain ratchetting. INTRODUCTION lthough strain-based approaches have been proposed [1, 2] to deal with fatigue crack growth since the 60s, our interest in this line of enquiry began some 10 years ago, mainly using numerical simulations [3-7], where near-tip strain ratchetting was found to be common in several materials, regardless the constitutive laws used [3-5] or the numerical simulation strategies [4-6].
    keywords: crack; dic; fatigue; growth; strain; tip
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        item: #171 of 1022
          id: fis-1476
      author: PCCC
       title: Microsoft Word - numero_33_art_10
        date: 2015-04-12
       words: 2990
      flesch: 65
     summary: Typical results obtained after solution of an elastic-plastic problem are presented in Fig. 3 where elastic-plastic stress intensity factor epK and constraint parameter A along the crack front of the edge cracked plate for material with hardening power 5n  , relative crack depth / 0.5a Figure 4: Dependence of constraint parameter A on specimen thickness /t
    keywords: constraint; crack; parameter; plastic; specimen; stress
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        item: #172 of 1022
          id: fis-1478
      author: PCCC
       title: Microsoft Word - numero_33_art_12
        date: 2015-06-02
       words: 5378
      flesch: 62
     summary: Then, versatile sub-modeling techniques are used to study similar effects along the fronts of short and long cracks, and a stepwise re-meshing routine is used to show how an initially straight crack must slightly curve its front during its propagation by fatigue, due to the unavoidable 3D effects that always surround real crack tips. Bazant and Estenssoro [12] related the stress field singularity of ideal crack tips at the free surface with the angle  with which the crack intersects it.
    keywords: crack; effects; fields; notch; plate; sif; stress; tip
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        item: #173 of 1022
          id: fis-1479
      author: PCCC
       title: Microsoft Word - numero_33_art_13
        date: 2015-04-28
       words: 4583
      flesch: 54
     summary: Moreover, as their uncracked residual ligaments normally remain elastic during most of their lives, fatigue cracks usually grow accompanied by pzr < pz << rl. According to Elber, plasticity-induced crack closure is caused by such elastic rl, which tend to compress the plastified envelopes that wrap fatigue cracks as they try to recover their previous shape when unloaded.
    keywords: closure; crack; driving; fatigue; fcg; force; load; opening; specimens; keff
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        item: #174 of 1022
          id: fis-148
      author: User
       title: Microsoft Word - numero 22 articolo 8.doc
        date: 2012-09-25
       words: 8944
      flesch: 51
     summary: Cold spray (CS) belongs to a wide family of thermal spray technology with the difference that it is a solid state process in which spray particles are deposited via supersonic velocity impact at a temperature much below the melting point of the spray material. Moreover, the temperature of particles remain substantially below the initial gas preheat temperature due to short contact time of spray particles with the hot gas called dwell time and hence the name cold spray coating [4].
    keywords: coating; cold; deposition; gas; impact; materials; nozzle; particle; powder; pressure; process; spray; substrate; surface; system; technology; temperature; thermal; velocity
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        item: #175 of 1022
          id: fis-1480
      author: PCCC
       title: Microsoft Word - numero_33_art_14
        date: 2015-04-29
       words: 3378
      flesch: 56
     summary: [18], it is possible to prove that characteristic length l can directly be estimated from the TCD’s critical distance as follows: 2 2 L  (5) Figure 2: Effective stress, eff, determined according to the PM. From a practical point of view, the most important implication of this modus operandi is that gradient-enriched linear-elastic stresses at the notch tips are always finite, this holding true also in the presence of sharp stress risers (such as cracks).
    keywords: batch; concrete; distance; fatigue; linear; mpa; stress
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        item: #176 of 1022
          id: fis-1481
      author: Politecnico
       title: Shot Peening Processes to obtain Nanocrystalline surfaces in metal alloys:
        date: 2015-04-30
       words: 2877
      flesch: 48
     summary: Figure 10: Fatigue crack propagation: rpz (reversed plastic zone); mpz (monotonic plastic zone); ez (elastic zone). As a consequence, fatigue crack propagation in the investigated ferritic-pearlitic DCI can be analysed with the K parameter only as first approximation, being the material non homogenous, at least at the scale of the fatigue damaging processes at the crack tip.
    keywords: crack; fatigue; fig; graphite; nodules; path; pearlitic
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        item: #177 of 1022
          id: fis-1482
      author: PCCC
       title: Microsoft Word - numero_33_art_16
        date: 2015-04-12
       words: 7416
      flesch: 68
     summary: [16] Sobek, J., Pail, T., Veselý, V., Evaluation of crack tip stress field using combination of advanced implementation of over-deterministic method and FE analysis, Key Eng. [12] Ayatollahi, M.R., Nejati, M., An over-deterministic method for calculation of coefficients of crack tip asymptotic field from finite element analysis, Fatigue Fract.
    keywords: con; crack; exp; field; fracture; qua; selection; specimen; stress; ° wedge
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        item: #178 of 1022
          id: fis-1484
      author: PCCC
       title: Microsoft Word - numero_33_art_18
        date: 2015-04-12
       words: 3641
      flesch: 56
     summary: Digital image correlation; Stress intensity factor; T-stress; Crack tip displacement field. [5] Pan, B., Xie, H., Wang, Z., Qian, K., Wang, Z., Study on subset size selection in digital image correlation for speckle patterns, Optics express, 16(10) (2008) 7037-7048.
    keywords: correlation; crack; dic; displacement; image; size; stress; subset; terms; tip
       cache: fis-1484.pdf
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        item: #179 of 1022
          id: fis-1485
      author: PCCC
       title: Microsoft Word - numero_33_art_19
        date: 2015-04-12
       words: 3863
      flesch: 60
     summary: [5] Croft, M., Zhong, Z., Jisrawi, N., Zakharchenko, I., Holtz, R.L., Skaritka, J., Fast, T., Sadananda, K., Lakshmipathy, M., Tsakalakos, T., Strain profiling of fatigue crack overload effects using energy dispersive X-ray diffraction, International Journal of Fatigue, 27 (2005) 1408-1419. [16] Lopez-Crespo, P., Steuwer, A., Buslaps, T., Tai, Y.H., Lopez-Moreno, A., Yates, J.R., Withers, P.J., Measuring overload effects during fatigue crack growth in bainitic steel by synchrotron X-ray diffraction, International Journal of Fatigue, 71 (2015) 11-16.
    keywords: crack; dic; fatigue; field; overload; p.j; strain; stress; tip
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        item: #180 of 1022
          id: fis-1486
      author: PCCC
       title: Microsoft Word - numero_33_art_20
        date: 2015-04-12
       words: 3608
      flesch: 56
     summary: The increase in pad dimension extends the influence of contact stress below the surface, and therefore increases the process volume. [6] Giannakopoulos, A., Suresh, S., Chenut, S., Similarities of stress concentrations in contact at round punches and fatigue at notches: implication to fretting fatigue crack initiation, Fatigue Fract Eng Mater Struct, 23(7) (2000) 561-71.
    keywords: contact; crack; fatigue; fretting; stress
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        item: #181 of 1022
          id: fis-1487
      author: PCCC
       title: Microsoft Word - numero_33_art_21
        date: 2015-04-12
       words: 3505
      flesch: 53
     summary: This meso-scale model of crack tip stresses leads to a modified set of crack tip stress intensity factors that include the resultant influence of plastic wake-induced crack tip shielding, and which therefore have the potential to help resolve some long- standing controversies associated with plasticity-induced closure. The CJP model of crack tip stresses is a modified version of the Williams crack tip stress field which takes account of simplified stress distributions that arise from the presence of a zone of plastic deformation associated with the crack flanks and crack tip, and that act on the elastic field responsible for driving crack growth.
    keywords: crack; growth; model; stress; tip
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        item: #182 of 1022
          id: fis-1489
      author: PCCC
       title: Microsoft Word - numero_33_art_23
        date: 2015-04-12
       words: 2783
      flesch: 58
     summary: GEOMETRIES AND MODEL PROPERTIES wo macrosets of notch geometry were created with variable notch height. T T E. Maggiolini et alii, Frattura ed Integrità Strutturale, 33 (2015) 183-190; DOI: 10.3221/IGF-ESIS.33.23 185 Figure 1: First two sets of notch geometries.
    keywords: gradient; maximum; notch; notches; stress; σeff
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        item: #183 of 1022
          id: fis-1490
      author: PCCC
       title: Microsoft Word - numero_33_art_24
        date: 2015-04-12
       words: 3717
      flesch: 59
     summary: Microsoft Word - numero_33_art_24 J.M. Vasco-Olmo et alii, Frattura ed Integrità Strutturale, 33 (2015) 191-198; DOI: 10.3221/IGF-ESIS.33.24 191 Focussed on characterization of crack tip fields Experimental evaluation of plasticity-induced crack shielding from crack tip displacements fields J.M. Vasco-Olmo, F.A. Díaz University of Jaén, Departamento de Ingeniería Mecánica y Minera, Campus Las Lagunillas, Edificio A3, 23071, Jaén, Spain jvasco@ujaen.es, fdiaz@ujaen.es ABSTRACT. [4] Yates, J.R., Zanganeh, M., Tai, Y.H., Quantifying crack tip displacement fields with DIC, Eng.
    keywords: crack; fatigue; load; loading; specimen; stress; tip; values
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        item: #184 of 1022
          id: fis-1491
      author: None
       title: None
        date: 2015-05-20
       words: 5792
      flesch: 62
     summary: [35] Paul, S.K., Tarafder, S., Cyclic plastic deformation response at fatigue crack tips, Int Journal of Pressure Vessels and Piping, 101 (2013) 81-90. It was demonstrated that: i) LEFM concepts are applicable to the problem under study; ii) the crack closure phenomenon has a great influence on crack tip parameters decreasing their values; iii) the Keff concept is able to explain the variations of crack tip parameters produced by the contact of crack flanks; iv) the analysis of remote compliance is the best numerical parameter to quantify the crack opening level; v) without contact there is no effect of stress ratio on crack tip parameters.
    keywords: closure; contact; crack; crack closure; crack tip; fatigue; fatigue crack; growth; parameters; plastic; stress; tip
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        item: #185 of 1022
          id: fis-1492
      author: PCCC
       title: Microsoft Word - numero_33_art_26
        date: 2015-04-12
       words: 2692
      flesch: 56
     summary: Microsoft Word - numero_33_art_26 X. Zhou et alii, Frattura ed Integrità Strutturale, 33 (2015) 209-214; DOI: 10.3221/IGF-ESIS.33.26 209 Focussed on characterization of crack tip fields Load history effects on fatigue crack propagation: Its effect on the R-curve for threshold X. Zhou Materials Center Leoben Forschungs GmbH, Roseggerstraße 12, 8700 Leoben, Austria Austria Erich Schmid Institute of the Austrian Academy of Sciences, Jahnstraße 12, 8700 Leoben, Austria xiang.zhou@mcl.at A. Hohenwarter, T. Leitner Department of Material Physics of the Montanuniversity Leoben, Jahnstraße 12, 8700 Leoben, Austria anton.hohenwarter@unileoben.ac.at, t.leitner@stud.unileoben.ac.at H.P. Gänser Materials Center Leoben Forschungs GmbH, Roseggerstraße 12, 8700 Leoben, Austria hans-peter.gaenser@mcl.at R. Pippan Erich Schmid Institute of the Austrian Academy of Sciences, Jahnstraße 12, 8700 Leoben, Austria Department of Material Physics of the Montanuniversity Leoben, Jahnstraße 12, 8700 Leoben, Austria reinhard.pippan@oeaw.ac.at ABSTRACT. There are a vast number of papers dealing with the effect of loading history during variable amplitude loading for fatigue crack propagation in the Paris regime [2].
    keywords: compression; crack; fatigue; propagation; stress; threshold
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        item: #186 of 1022
          id: fis-1493
      author: PCCC
       title: Microsoft Word - numero_33_art_27
        date: 2015-04-12
       words: 2204
      flesch: 57
     summary: EXPERIMENTAL Specimens n order to perform the X-ray analysis of non-propagating fatigue cracks, a smaller specimen with a square cross- section ranging from 0.8 to 1 mm2 was cut from the larger sample, such that it contained the notch and the non- propagating fatigue crack. High resolution synchrotron X-ray tomography has been used to obtain 3D images of those small defects and non-propagating cracks (NPC).
    keywords: area; cracks; fatigue; length; propagating
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        item: #187 of 1022
          id: fis-1494
      author: PCCC
       title: Microsoft Word - numero_33_art_28
        date: 2015-04-12
       words: 4041
      flesch: 59
     summary: [12] Toribio, J., Ayaso, F.J., Anisotropic fracture behaviour of cold drawn steel: a materials science approach, Mater. [7] Toribio, J., Valiente, A., Failure analysis of cold drawn eutectoid steel wires for prestressed concrete, Eng. Fail.
    keywords: angle; crack; drawing; fracture; pearlitic; sif; steel; toribio; wire
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        item: #188 of 1022
          id: fis-1495
      author: HYY
       title: Microsoft Word - numero_33_art_29
        date: 2015-04-30
       words: 4961
      flesch: 57
     summary: Altogether 15 different fatigue test series have been performed according to the parameters described below: -Four series of tests on un-notched and V-notched specimens under pure tension and pure torsion fatigue loading at the nominal load ratio R = -1; -Four series of tests on un-notched and V-notched specimens under pure torsion fatigue loading at the nominal load ratios R = 0 and 0.5; -Three series of tests on un-notched specimens under pure torsion fatigue loading at the nominal load ratios R = 0.25, -2 and -3; Afterwards dealing with multiaxial fatigue loading Ellyin proposed an approach based on the combination of both the plastic and elastic strain work [12-13].
    keywords: control; fatigue; loading; notch; specimens; stress; tension; torsion
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        item: #189 of 1022
          id: fis-1496
      author: PCCC
       title: Microsoft Word - numero_33_art_30
        date: 2015-04-12
       words: 6323
      flesch: 65
     summary: NON-PROPORTIONALITY FACTORS OF INTEGRAL TYPE his class of non-proportionality factors involves some form of integral evaluation of stresses in different planes. Non-proportionality factors due to Bishop and Gaier Bishop proposed two measures of the non-proportionality or, more precisely, out-of-phase measures [9].
    keywords: factor; fatigue; non; plane; proportionality; stress; tensor
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        item: #190 of 1022
          id: fis-1497
      author: PCCC
       title: Microsoft Word - numero_33_art_31
        date: 2015-05-08
       words: 4734
      flesch: 60
     summary: As an example, Fig. 1 shows fatigue cracks initiated under uniaxial and severely non-proportional multiaxial loading. [10] de los Rios, E., Hussain, J., Miller, K., A micro-mechanics analysis for short fatigue crack growth, Fat.
    keywords: amplitude; crack; fatigue; growth; life; loading; max; opening; sequence; strain; stress; vormwald
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        item: #191 of 1022
          id: fis-1499
      author: PCCC
       title: Microsoft Word - numero_33_art_33
        date: 2015-06-01
       words: 6317
      flesch: 63
     summary: This paper presents a simple method of determining stresses and strains and a severity of loading history under non-proportional loadings with defining the rotation angles of the maximum principal stress and strain in a three dimensional stress and strain space. Fatigue; Low cycle fatigue; Multiaxial loading; Non-proportional loading; Stress and strain evaluation; Random loading; Visualization of multiaxial loading.
    keywords: fatigue; loading; non; principal; strain; stress; t t
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        item: #192 of 1022
          id: fis-15
      author: User
       title: Microsoft Word - numero 2 art 4.doc
        date: 2007-09-19
       words: 5433
      flesch: 64
     summary: di ha richiesto la preliminare esecuzione di prove mec- caniche e di misure diffrattometriche su provini standard.
    keywords: alla; che; con; cricca; degli; dei; della; diffrazione; fatigue; fig; frattura; fwhm; gomiti; hanno; misure; profondità; provini; raggi; ray; residui; risultati; sforzi; sono; superficie; tra; una; xrd
       cache: fis-15.pdf
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        item: #193 of 1022
          id: fis-150
      author: User
       title: Microsoft Word - numero 22 articolo 4.doc
        date: 2012-09-25
       words: 1571
      flesch: 53
     summary: The kaolin and bentonite have been mixed in equal quantity and treated by heat for 1 hour under 600 ºC, 800 ºC and 1000 ºC to create new minerals under high temperature condition to introduce an acceptable concrete additive for achieving concrete compressive strength in early age. And also fly ash, bottom ash and coarse aggregate mechanical properties and quality are evaluated for enhancement of concrete compressive strength [4-7].
    keywords: additive; cement; compressive; concrete; strength
       cache: fis-150.pdf
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        item: #194 of 1022
          id: fis-1500
      author: PCCC
       title: Microsoft Word - numero_33_art_34
        date: 2015-04-12
       words: 2809
      flesch: 55
     summary: [3] Kardas D., Kluger, K., Łagoda, T., Ogonowski, P., Fatigue life under proportional constant amplitude bending with torsion in energy approach basic on aluminium alloy 2017(a), Physicochemical Mechanics of Materials, 4(2008) 68-74, Materials Science, 541-549 [4] Karolczuk, A., Macha, E., A review of critical plane orientations in multiaxial fatigue failure criteria of metallic materials, International Journal Fracture, 134 (2005) 267-304. Literature of the subject provides a number of multiaxial fatigue criteria [6].
    keywords: angle; criteria; fatigue; life; materials; plane; stress
       cache: fis-1500.pdf
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        item: #195 of 1022
          id: fis-1501
      author: PCCC
       title: Microsoft Word - numero_33_art_35
        date: 2015-05-29
       words: 4702
      flesch: 51
     summary: [16] is a non-Rainflow approach to evaluate loading block damage and it is based on the SSF equivalent shear stress previously presented. In this paper, the SSF equivalent stress and the virtual cycle counting method are presented and discussed, regarding their physical foundations and their capability to characterize multiaxial fatigue damage under complex loading blocks.
    keywords: axial; block; damage; equivalent; fatigue; loading; shear; ssf; stress
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        item: #196 of 1022
          id: fis-1503
      author: PCCC
       title: Microsoft Word - numero_33_art_37
        date: 2015-04-26
       words: 4820
      flesch: 52
     summary: Surface crack; Tension; Torsion; Crack growth. The fatigue growth analysis of surface cracks is one of the most important elements for structural integrity prediction of the circular cylindrical metallic components (bars, wires, bolts, shafts, etc.)
    keywords: crack; crack growth; factor; growth; loading; parameter; plastic; specimen; stress; surface; tension
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        item: #197 of 1022
          id: fis-1504
      author: PCCC
       title: Microsoft Word - numero_33_art_38
        date: 2015-04-13
       words: 5637
      flesch: 62
     summary: By making the most of our previous experience [10, 16-18], now we intend to use the stain-based MVM in conjunction with MMCCM to predict fatigue lifetime under VA multiaxial fatigue loading. Finally, from such spectrum fatigue strength under VA multiaxial fatigue loading can be predicted according to Palmgren-Miner’s rule (Fig. 3i).
    keywords: fatigue; plane;  ;  ;  ;  
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        item: #198 of 1022
          id: fis-152
      author: User
       title: Microsoft Word - numero 22 articolo 6.doc
        date: 2012-09-25
       words: 7404
      flesch: 68
     summary:    u u s wk M M M M k w (37) Stage 3) Elastic–Damaged–Debonded interface As the intensity of the applied couple M increases beyond the value uM , the FRP-strengthened beam enters stage 3 of behaviour. 6           
    keywords: beam; f s; s b; s s
       cache: fis-152.pdf
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        item: #199 of 1022
          id: fis-154
      author: User
       title: Microsoft Word - numero 22 articolo 9.doc
        date: 2012-09-25
       words: 2549
      flesch: 61
     summary: In this work the design and the technical characteristic of a Moore rotating bending machine are presented. Fatigue; Wholer; Test machine; Product design process.
    keywords: bending; design; fatigue; load; machine; order
       cache: fis-154.pdf
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        item: #200 of 1022
          id: fis-155
      author: User
       title: Microsoft Word - numero 22 articolo 10.doc
        date: 2012-09-25
       words: 4300
      flesch: 58
     summary: Caratterizzato il provino in condizioni statiche, si sono acquisiti i segnali con il disco in rotazione. Figura 1: Configurazione per il rilievo di difetti superficiali con onda che si propaga in direzione circonferenziale.
    keywords: cerniglia; che; con; contatto; dal; dei; del; delle; difetto; disco; laser; nel; onde; segnale; sono; superficiali; superficie; trasduttore; una; velocità
       cache: fis-155.pdf
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        item: #201 of 1022
          id: fis-1552
      author: PCCC
       title: Microsoft Word - 001 PLENARY Marciniak Rozumek POLAND Paper FINAL
        date: 2015-09-22
       words: 4388
      flesch: 64
     summary: When applying energy fatigue criteria to assess life, energy characteristics are used, developed as a result of the Coffin- Manson-Basquin characteristic multiplication [12] Marciniak, Z., Rozumek, D., Macha, E., Verification of fatigue critical plane position according to variance and damage accumulation methods under multiaxial loading, Int.
    keywords: energy; fatigue; k k; macha; plane; stress
       cache: fis-1552.pdf
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        item: #202 of 1022
          id: fis-1553
      author: PCCC
       title: Microsoft Word - 002 PLENARY Berto ITALY Paper
        date: 2015-09-22
       words: 11285
      flesch: 63
     summary: Paolo Lazzarin’s scientific achievements can be assigned to three areas of notch mechanics: notch stress intensity factors, local strain energy density and fictitious notch rounding. [13] Lazzarin, P., Livieri, P., Berto, F., Zappalorto, M., Local strain energy density and fatigue strength of welded joints under uniaxial and multiaxial loading, Eng.
    keywords: berto; crack; density; doi; energy; fatigue; fracture; lazzarin; loading; mode; notch; notches; radius; sed; strain; strain energy; stress; value; volume
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        item: #203 of 1022
          id: fis-1554
      author: PCCC
       title: Microsoft Word - 003 PLENARY Gates & Fatemi USA Paper 8-25-15 final
        date: 2015-09-22
       words: 10709
      flesch: 58
     summary: Additional smooth specimen tests were also performed for pure torsion loading, with and without the addition of a static tensile or compressive stress, to evaluate the effect of mean stresses on mode II crack growth. [19] Tong, J., Yates, R., Brown, M. W., A model for sliding mode crack closure
    keywords: crack; crack growth; face; fatigue; friction; growth; length; loading; mode; mode ii; shear; sif; specimens; stress; tests; torsion; τmax
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        item: #204 of 1022
          id: fis-1555
      author: HYY
       title: Microsoft Word - numero_34_art_4
        date: 2015-09-23
       words: 8334
      flesch: 68
     summary: 8 3 18 128 15 9 7200 15360 F O                                             
    keywords: crack; fracture; k k; path; stress;  
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        item: #205 of 1022
          id: fis-1556
      author: HYY
       title: Microsoft Word - numero_34_art_5
        date: 2015-09-23
       words: 5195
      flesch: 56
     summary: Figure 1: (a) Cylindrical fibre surrounded by a cylindrical portion of matrix material; (b) partially detached fibre under radial and axial stresses. data2Lf /f 20 40 80 5 10 15 20 25 30 35 l / Lf=0.1 l / Lf=0.7 (b) Figure 4: Dimensionless radial and longitudinal Mode II SIF, (a) ,II rK and (b) ,II zK , vs Young modulus ratio, f mE E , for different values of fibre aspect ratio, 2 f fL  , and relative debonded length equal to 0.1 and 0.7. 0 0.2 0.4 0.6 0.8 1 Relative crack length, l/Lf 0.0 0.1 0.2 0.3 0.4 D im e n si o n le ss S IF s, K * Ir (a)
    keywords: crack; cycles; damage; doi; fatigue; fibre; loading; material; matrix; stress
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        item: #206 of 1022
          id: fis-1557
      author: HYY
       title: Microsoft Word - numero_34_art_6
        date: 2015-09-23
       words: 2625
      flesch: 58
     summary: A wide variety of specimen types and methods to determine Mode I fracture toughness of natural stones are available in the literature and, in this context, the model originally proposed for plain concrete, i.e. the Two-Parameter Model (TPM), is adopted. The effects of thermal treatment on both mechanical and fracture parameters are examined in terms of elastic modulus and fracture toughness, respectively.
    keywords: fracture; peak; pre; specimens; type
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        item: #207 of 1022
          id: fis-1558
      author: HYY
       title: Microsoft Word - numero_34_art_7
        date: 2015-09-23
       words: 2541
      flesch: 54
     summary: [3] Susmel, L., Lazzarin, P., A stress-based method to predict lifetime under multiaxial fatigue loadings, Fatigue Fract. [8] Karolczuk, A., Macha, E., A review of critical plane orientations in multiaxial fatigue failure criteria of metallic materials, Int.
    keywords: criterion; doi; fatigue; plane; stress
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        item: #208 of 1022
          id: fis-1559
      author: HYY
       title: Microsoft Word - numero_34_art_8
        date: 2015-09-23
       words: 5665
      flesch: 58
     summary: Particle method; Discrete finite element; Fracture, Contact, Dynamic failure. A brief introduction related to the forces existing in continuum solids and discrete incoherent aggregates – modeled through discrete particles – is presented by taking into account the dynamic nature and large strain characteristics of the problem.
    keywords: approach; force; granular; materials; method; particles; potential
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        item: #209 of 1022
          id: fis-1560
      author: HYY
       title: Microsoft Word - numero_34_art_9
        date: 2015-09-23
       words: 3666
      flesch: 57
     summary: The results show also that, the effect of fatigue on reinforced concrete short brackets, in a substantially lower tensile strength to 10 % relative to reinforced concrete short corbel load under monotone static test. The results of this investigation showed that strengthened reinforced concrete corbel bonded by carbon fiber fabrics can improve the ultimate load to twice and stiffens less than a third.
    keywords: carbon; concrete; corbel; fabrics; fatigue; fiber; load; static
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        item: #210 of 1022
          id: fis-1561
      author: HYY
       title: Microsoft Word - numero_34_art_10
        date: 2015-09-23
       words: 6261
      flesch: 65
     summary: ‘Intermediate’ Variants Three additional variants 2 to 4 according to Fig. 1 were defined for the following crack propagation simulation so that the effects on crack propagation life can be separated. The other three variants are ‘intermediate’ geometries to separate the effects on crack propagation.
    keywords: attachment; crack; fatigue; life; plate; stress; transverse; transverse attachment; weld
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        item: #211 of 1022
          id: fis-1562
      author: HYY
       title: Microsoft Word - numero_34_art_11
        date: 2015-09-23
       words: 4305
      flesch: 67
     summary: Later on, the PSM has been extended to cracks subjected to mode I as well as mode II stresses [10]. [10] Meneghetti, G., The use of peak stresses for fatigue strength assessments of welded lap joints and cover plates with toe and root failures, Eng.
    keywords: crack; loading; mode; peak; sed; stress
       cache: fis-1562.pdf
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        item: #212 of 1022
          id: fis-1563
      author: HYY
       title: Microsoft Word - numero_34_art_12
        date: 2015-09-23
       words: 4128
      flesch: 62
     summary: Finite element models were developed in order to obtain a stress distribution in the laminate containing a crack and to simulate crack propagation. There is a new class of ceramic materials under development, the ceramic laminates with controlled crack resistance and crack propagation [10-12].
    keywords: amz; atz; ceramic; compressive; crack; doi; layer; propagation; stresses
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        item: #213 of 1022
          id: fis-1565
      author: HYY
       title: Microsoft Word - numero_34_art_14
        date: 2015-09-23
       words: 3706
      flesch: 60
     summary: After 12 mm of crack growth a sharp kink to the cross section plane growth occurs. With increasing crack length a fracture mode II gains priority and is enforced after approximately 13 mm of crack growth.
    keywords: closure; crack; cyclic; fatigue; growth; loading; max; specimen
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        item: #214 of 1022
          id: fis-1567
      author: HYY
       title: Microsoft Word - numero_34_art_16
        date: 2015-09-23
       words: 7159
      flesch: 66
     summary: The expected A L.P. Pook, Frattura ed Integrità Strutturale, 34 (2015) 150-159; DOI: 10.3221/IGF-ESIS.34.16 154 tendency to mode I fatigue crack growth was observed on two distinct scales. A fully automatic finite element program incorporating the criterion was used to analyse fatigue crack growth in the frame of a hydraulic press that had failed in service [44].
    keywords: crack; crack growth; fatigue; fracture; growth; intensity; mode; point; pook; stress; surface; tip
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        item: #215 of 1022
          id: fis-1568
      author: HYY
       title: Microsoft Word - numero_34_art_17
        date: 2015-09-23
       words: 4345
      flesch: 50
     summary: Mechanical and toughness properties After vacuum heat treatment hardness of both CCC and ESR spring steel specimens was more or less the same. Both CCC and ESR spring steel specimens showed the same level of scattering and confidence at dynamic bending testing.
    keywords: ccc; crack; esr; fatigue; microstructure; properties; specimens; spring; spring steel; steel
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        item: #216 of 1022
          id: fis-1569
      author: HYY
       title: Microsoft Word - numero_34_art_18
        date: 2015-09-23
       words: 6437
      flesch: 72
     summary: [23] Radaj, D., Zhang, S., On the relations between notch stress and crack stress intensity in plane shear and mixed mode loading, Eng. Fract. The basic idea of the FNR concept is to determine the fatigue-effective averaged notch stress directly (i.e. without actual notch stress averaging) by performing the notch stress analysis with a fictitiously enlarged notch radius f given by A F. Berto, Frattura ed Integrità Strutturale, 34 (2015) 169-179; DOI: 10.3221/IGF-ESIS.34.18 170  f = + s * (1) By taking advantage of the analytical frame provided by Filippi et al.
    keywords: loading; mode; notch; notches; stress
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        item: #217 of 1022
          id: fis-157
      author: User
       title: Microsoft Word - numero 23 articolo 1
        date: 2012-12-23
       words: 2197
      flesch: 53
     summary: Shape memory alloys; SMA; MEMS; Thin wire; Actuators; TEM. Among MEMS materials the SMA, in form of films or thin wires, are attracting a particular interest for the development of new highly functionalized devices on micro/meso scale [7-10].
    keywords: drawing; materials; mechanical; memory; shape; sma; wire
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        item: #218 of 1022
          id: fis-1571
      author: HYY
       title: Microsoft Word - numero_34_art_20
        date: 2015-09-24
       words: 4904
      flesch: 68
     summary: Understanding improved when the existence of corner point singularities and their implications became known. For corner point singularities, the polar coordinates are replaced by spherical coordinates (r, , ) with origin at the corner point.
    keywords: corner; crack; kiii; mode; point; surface
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        item: #219 of 1022
          id: fis-1573
      author: HYY
       title: Microsoft Word - numero_34_art_22
        date: 2015-09-24
       words: 4630
      flesch: 59
     summary: In many engineering applications special requirements are directed to a material's fracture behavior and the prediction of crack paths. Especially if the material exhibits anisotropic elastic properties or fracture toughnesses, e.g. in textured or composite materials, the simulation of crack paths is challenging.
    keywords: crack; forces; global; integrals; integration; material; path; tip
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        item: #220 of 1022
          id: fis-1574
      author: HYY
       title: Microsoft Word - numero_34_art_23
        date: 2015-09-24
       words: 4855
      flesch: 58
     summary: 5a contains ratio of total strain energy release rate calculated by Eq. 5b shows comparison of total strain energy release rate calculated by Eq.
    keywords: crack; energy; fracture; mmb; mode; path; propagation; rate; release; strain
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        item: #221 of 1022
          id: fis-1575
      author: HYY
       title: Microsoft Word - numero_34_art_24
        date: 2015-09-24
       words: 5813
      flesch: 59
     summary: Two examples are shown in the present paper; one of them illustrates the possibilities of this method in simulating critical crack propagation in a solid mechanics problem: a simple geometry of grade material. Other approaches in the simulation of subcritical crack propagation due to fatigue can be quoted, among them the works of Xu and Yuan
    keywords: case; crack; element; energy; fig; fracture; ldem; material; model; propagation
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        item: #222 of 1022
          id: fis-1576
      author: HYY
       title: Microsoft Word - numero_34_art_25
        date: 2015-09-24
       words: 3442
      flesch: 61
     summary: This method of crack propagation allows many steps of crack propagation to be performed using a single mesh and enables a more accurate calculation of the stress intensity factors and the strain energy release rate around the crack front. A parametric study for crack propagation, including the influence of different initial crack shapes and propagation criteria, is then conducted.
    keywords: bricks; crack; crack propagation; energy; fem; graphite; propagation
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        item: #223 of 1022
          id: fis-1578
      author: HYY
       title: Microsoft Word - numero_34_art_27
        date: 2015-09-24
       words: 2638
      flesch: 64
     summary: G., Maximum average tangential stress criterion for prediction of the crack path, Int. Crack path; Maximum average tangential stress; T-stress; Mixed mode; Rolling-sliding.
    keywords: contact; crack; criterion; fracture; mats; stress
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        item: #224 of 1022
          id: fis-158
      author: User
       title: Microsoft Word - numero 23 articolo 2
        date: 2012-12-23
       words: 5654
      flesch: 50
     summary: [15] T http://www.gruppofrattura.it http://dx.medra.org/10.3221/IGF-ESIS.23.02&auth=true C. Maletta et alii, Frattura ed Integrità Strutturale, 23 (2013) 13-24; DOI: 10.3221/IGF-ESIS.23.02 16 Several simulations have been carried out for different thermo-mechanical loading conditions as well as by varying the main thermo-mechanical parameters of the alloy, in terms of transformation strain ( L ) and transformation stresses ( σ AM S and σAMf ). In particular, a reduction of about 20% is observed in the temperature range between 273 K and 343 K, which correspond to a range of transformation stress between about 90 MPa and 800 MPa.
    keywords: crack; fig; fracture; region; specimens; strain; stress; temperature; tip; transformation
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        item: #225 of 1022
          id: fis-1580
      author: HYY
       title: Microsoft Word - numero_34_art_29
        date: 2015-09-24
       words: 3794
      flesch: 56
     summary: Figure 3: Retained austenite distribution from surface Figure 4: Residual stress distribution from surface Figure 5: Vickers hardness distribution from surface RELATIONSHIP OF CRACK GROWTH RATE DA / DN AND STRESS INTENSITY FACTOR WIDTH ΔK he relationship of crack progress speed da/dN and stress intensity factor width ΔK in the case of the conditions of Pmax=7000 is shown in Fig. However, crack progress is affected by the influence of base metal part, and progress is controlled.
    keywords: carburizing; crack; fatigue; layer; material; progress; speed; surface
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        item: #226 of 1022
          id: fis-1585
      author: HYY
       title: Microsoft Word - numero_34_art_34
        date: 2015-09-24
       words: 3541
      flesch: 66
     summary: Residual stress field is generated by welding, and evaluation of crack growth in Heat Affected Zone (HAZ) is another important problem. In S-FEM, local mesh is re-meshed for each step of crack growth, and local area changes its’ shape in each step.
    keywords: boundary; crack; growth; material; mesh; phase; simulation; stress
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        item: #227 of 1022
          id: fis-1587
      author: HYY
       title: Microsoft Word - numero_34_art_36
        date: 2015-09-24
       words: 3388
      flesch: 61
     summary: defect L =  200 m L = 50 m L = 100 m Figure 1: Relationship between defect length and flaking life obtained from RCF test of SUJ2. Figure 2: Changes in surface length of vertical crack including defect during RCF test. The defect and vertical crack model (Fig. 5(d)) comprises a hole with the various depths mentioned above and a vertical crack with the above size.
    keywords: contact; crack; defect; length; rcf; stress; surface
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        item: #228 of 1022
          id: fis-1588
      author: HYY
       title: Microsoft Word - numero_34_art_37
        date: 2015-09-24
       words: 4138
      flesch: 50
     summary: These formal bulk properties are: E3D = 997 N/m2, 3D = 104 N/m2, 2D = 6.0 J/m2, KIC = 3.5 MPa m1/2, and GIC = 12 J/m2. Atomic-scale mechanisms of fracture pathways in graphene Elucidation of the elementary steps of graphene fracture by first-principles calculations and experimental investigations employing high-resolution imaging are largely lacking. The Griffith relation, assuming linear behavior of the stress–strain relationship and neglecting lattice trapping, allows a reasonable description of graphene fracture initiated by crack-like defects as small as 1 nm in size.
    keywords: bond; crack; fracture; graphene; length; mechanical; model; strength
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        item: #229 of 1022
          id: fis-159
      author: User
       title: Microsoft Word - numero 23 articolo 3
        date: 2012-12-23
       words: 4713
      flesch: 57
     summary: RESULTS AND DISCUSSION he data of applied stress () and cycles to failure (Nf) obtained from the test campaign under constant stress (circles) and constant stress with limited maximum strain (triangles and diamonds for limit strains of 3% and 4%, respectively) are plotted in the semi-log Woehler diagram of Fig. 3 together with the bilinear interpolation (solid line for constant stress, dotted and dashed lines for limit strains of 3% and 4%, respectively). Figure 3: Woehler’s diagram with the fatigue results for the constant-stress tests and the tests at constant stress with limited maximum strain (3% and 4%).
    keywords: fatigue; fig; linear; maximum; strain; stress; stress test; test; wire
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        item: #230 of 1022
          id: fis-1591
      author: HYY
       title: Microsoft Word - numero_34_art_40
        date: 2015-09-24
       words: 4560
      flesch: 54
     summary: Another approach to increase strength has been to introduce compressive residual stresses at the surface. Among all, laminates designed with strong interfaces and compressive residual stresses have led to an increase in fracture energy, thermal shock resistance and, in some cases, a decrease in the sensitivity of the material strength to the different size of defects.
    keywords: amz; ceramic; compressive; crack; edge; energy; laminates; layer; strength; stresses
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        item: #231 of 1022
          id: fis-1592
      author: HYY
       title: Microsoft Word - numero_34_art_41
        date: 2015-09-24
       words: 2702
      flesch: 57
     summary: Subsequently, fibre volume fraction and fibre direction are named. If the angle between fibre direction and loading direction is about 45°, the crack path kinks at the crack tip and grows along the fibre direction (Fig. 5, middle).
    keywords: crack; direction; fatigue; fibre; specimens; stress
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        item: #232 of 1022
          id: fis-1594
      author: HYY
       title: Microsoft Word - numero_34_art_43
        date: 2015-09-24
       words: 4202
      flesch: 67
     summary:        2 2 2 2 22 2 2 2 2 32 1 6 sin cos 8 cos sin 10 sin cos 1 cos 3 1 4 sin cos (3 cos 1) 8 sin cos 9 5 cos 1 cos 3 1 1 ln 1 1 I I II II I I II II K K K K K K K K                I I II c c c II IcK K K K K (10) L. Marsavina et alii, Frattura ed Integrità Strutturale, 34 (2015) 387-396; DOI: 10.3221/IGF-ESIS.34.43 390 Maximum Energy Release Rate criterion (Gmax)
    keywords: cos; crack; density; foams; fracture; k k; mode; toughness
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        item: #233 of 1022
          id: fis-1598
      author: HYY
       title: Microsoft Word - numero_34_art_47
        date: 2015-09-24
       words: 2151
      flesch: 48
     summary: The New-View scanning was realized over the zones of fatigue crack growth (Fig. 2a) and one-dimensional profiles of the surface relief were made in the radial direction starting from zone 1 to zone. The power laws originally established by Paris [2] (and presently referred to as the Paris law) reflect the self-similar nature of fatigue crack kinetics.
    keywords: crack; fatigue; fracture; samples; surface; zone
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        item: #234 of 1022
          id: fis-1599
      author: HYY
       title: Microsoft Word - numero_34_art_48
        date: 2015-09-24
       words: 5866
      flesch: 64
     summary: The tensile-mode deformation reflected by large FI values should play the role of crack growth. The objective of this study is to investigate the physical background of the formation mechanism of crack growth paths in the HCF and LCF regimes in terms of the mixed-mode deformation at the crack tip.
    keywords: crack; direction; fatigue; grain; growth; plane; plane crack; stress; surface
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        item: #235 of 1022
          id: fis-16
      author: User
       title: Microsoft Word - numero 1 art 1.doc
        date: 2007-06-07
       words: 3854
      flesch: 72
     summary: The forthcoming ESIS International Conference on Crack Paths (CP 2006) will be devoted to consideration of crack paths at various scales. They have been chosen to illustrate various aspects of crack paths.
    keywords: crack; fatigue; figure; fracture; growth; notch; path
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        item: #236 of 1022
          id: fis-160
      author: User
       title: Microsoft Word - numero 23 articolo 4
        date: 2012-12-23
       words: 6441
      flesch: 52
     summary: SMA hybrid composite; Structural damping; Laser micro-cutting; Railway collector. Since the concept of SMA hybrid composites was first proposed in 1988 by Rogers et al.
    keywords: composite; damping; fiber; frequency; gfrp; horn; hybrid; sheets; sma; strain; thickness
       cache: fis-160.pdf
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        item: #237 of 1022
          id: fis-1605
      author: HYY
       title: Microsoft Word - numero_34_art_53
        date: 2015-09-24
       words: 4666
      flesch: 53
     summary: [10] Yekta, R.T., Ghahremani, K., Walbridge, S., Effect of quality control parameter variations on the fatigue performance of ultrasonic impact treated welds, Int J Fatigue, 55 (2013) 245-256. Slight over-estimation of UIT compressive residual stress on the surface K.L. Yuan et alii, Frattura ed Integrità Strutturale, 34 (2015) 476-486; DOI: 10.3221/IGF-ESIS.34.53 483 is seen, however, it has been found that the measured surface stress by X-ray method is very sensitive to the location of measurement spot [25].
    keywords: fatigue; impact; simulation; softening; strength; stress; surface; toe; treatment; uit; weld
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        item: #238 of 1022
          id: fis-1606
      author: HYY
       title: Microsoft Word - numero_34_art_54
        date: 2015-09-24
       words: 5273
      flesch: 61
     summary: Uniaxial and multiaxial stress and strain states A stress state is defined as multiaxial state if the multiple principal stresses operate and a strain state as multiaxial state when the multiple principal strains do. 9 shows strain waveforms of axial load (F), inner pressure (P) and axial stress (z), hoop stress ().
    keywords: axial; crack; failure; fatigue; life; loading; principal; specimen; strain; stress; test; testing; type
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        item: #239 of 1022
          id: fis-1608
      author: HYY
       title: Microsoft Word - numero_34_art_56
        date: 2015-09-24
       words: 3601
      flesch: 65
     summary: 2c the length of initial central cracks are assumed to yield the same critical elastic load as in the case of central crack and equals to 18 mm (SIF is equal to 12.3 MPam0.5, too). The analysis of crack propagation allows for determination of a distance between initial cracks for which the interaction between them is negligible.
    keywords: crack; creep; damage; failure; fig; structure; time
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        item: #240 of 1022
          id: fis-161
      author: User
       title: Microsoft Word - numero 23 articolo 5
        date: 2012-12-23
       words: 4608
      flesch: 49
     summary: Thanks to the large force and power densities, relevant compliance and damping, and low effective inertia and cost, DE actuators are a promising technology for the development of affordable mechatronic and robotic systems that have to interact effectively, efficiently and safely with unstructured environments and humans In particular, as already demonstrated by several proof-of-concept prototypes developed in different research institutes all over the world, DE actuators can be profitably used for the realization of practical force feedback devices such as, for instance, Haptic Interfaces (HI) for immersive virtual reality [4,5].
    keywords: actuator; controller; force; model; position; response; vertechy
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        item: #241 of 1022
          id: fis-1612
      author: PCCC
       title: Microsoft Word - numero_34_art_60
        date: 2015-09-24
       words: 4326
      flesch: 50
     summary: It analyzes the process and law of mineral boundary failure under microwave irradiation, and assesses the effects of four factors, namely, microwave irradiation time, power density, mineral crystal size, and mineral content, on mineral boundary failure. Thus, this study takes rock grains with galena and calcite as the research object to investigate the distribution and evolution characteristics of mineral boundary failure under microwave irradiation using the finite difference method.
    keywords: boundary; density; energy; failure; irradiation; irradiation time; microwave; mineral; power; time
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        item: #242 of 1022
          id: fis-1613
      author: PCCC
       title: Microsoft Word - numero_34_art_61
        date: 2015-09-24
       words: 3918
      flesch: 50
     summary: In this work, the Taguchi method is applied for the optimal choice of design parameter values for a polygonal shaft-hub coupling. The objective is to maximize a performance function, minimizing, at the same time, its sensitivity to noises factors (robust design).
    keywords: control; coupling; design; factors; fit; hub; noise; shaft; stress; value
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        item: #243 of 1022
          id: fis-1615
      author: PCCC
       title: Microsoft Word - numero_34_art_63
        date: 2015-09-25
       words: 2585
      flesch: 41
     summary: INTRODUCTION tudies focusing on dynamic mechanical performance of rock materials, a relatively basic branch in rock mechanics, originate from researches on safety protection of atomic energy plant and earthquake engineering [1]. As engineering construction frequently involves rock materials in the last few years, to be specific, national large-scale energy engineering including water and electricity and nuclear power project, transportation including national railway and highway, engineering including blasting excavation and fixed point blasting or facilities establishment including high-level building, bridge, airport pavement and dam all involves dynamic mechanical performance of rock materials under the impact of medium and high strain-load [2], more and more experts and scholars devote themselves to deep study of dynamic mechanical properties of rock materials.
    keywords: concrete; energy; materials; performance; rate; rock; strain
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        item: #244 of 1022
          id: fis-1617
      author: PCCC
       title: Microsoft Word - numero_34_art_65
        date: 2015-09-25
       words: 4148
      flesch: 64
     summary: In this paper, 30 images of normal wire rope and 30 images of wire rope with fractures are used for the training of the neural network model, taking learning rate,  , as 0.1, and instant constant,  , as 0.85. Microsoft Word - numero_34_art_65 Z. Jijun et alii, Frattura ed Integrità Strutturale, 34 (2015) 590-598; DOI: 10.3221/IGF-ESIS.34.65 590 Defect detection of wire rope for oil well based on adaptive angle Zhang Jijun, Meng Xiangqing Southwest Petroleum University, China 790100588@qq.com, 842676523@qq.com ABSTRACT.
    keywords: detection; edge; filtering; image; rope; wire; wire rope
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        item: #245 of 1022
          id: fis-1618
      author: PCCC
       title: Microsoft Word - numero_34_art_66
        date: 2015-09-25
       words: 3943
      flesch: 61
     summary: We should pay attention to the influence of red clay cracks on the stability in the area of slope and foundation excavation, as it may lead to free face collapse, ground subsidence and other geological mishaps. After each dry-wet cycle, direct shear tests were conducted on samples to study the effects of red clay cracks on cohesive force and internal friction angle.
    keywords: clay; crack; dimension; fractal; sample; soil; strength
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        item: #246 of 1022
          id: fis-1619
      author: PCCC
       title: Microsoft Word - numero_34_art_67
        date: 2015-09-25
       words: 4663
      flesch: 55
     summary: CONCLUSIONS ehaviour of different types of disc brake rotors has been investigated by means of coupled thermo-mechanical numerical analyses. [9] Belhocine, A., Bouchetara, M., Thermomechanical behavior of dry contacts in disc brake rotor with a grey cast iron composition, Thermal Science, 17(2) (2013) 599-609.
    keywords: brake; braking; disc; heat; temperature; time; vanes
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        item: #247 of 1022
          id: fis-162
      author: User
       title: Microsoft Word - numero 23 articolo 6
        date: 2012-12-23
       words: 1797
      flesch: 57
     summary: While the applications of MR fluids are relevant for engineers and can be used in many damping devices, the ferrofluids are mainly a fancy stuff to play with for artist and kids. Bearing a load is possible only because MR fluids can modify their aggregations states changing from a viscous free-flow liquid to a quasi solid state.
    keywords: applications; fig; fluid
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        item: #248 of 1022
          id: fis-1620
      author: PCCC
       title: Microsoft Word - numero_34_art_68
        date: 2015-09-25
       words: 3497
      flesch: 59
     summary: YAG pulsed laser for ultrasonic wave generation; (B) CW laser interferometer receiver; (C) motorized linear micro-slide; (D) sample. As shown in Fig. 2, the surface skimming longitudinal wave, L-wave, travels just below the surface of the plate; the longitudinal back-wall wave, LL-wave, reflected by the opposite plate surface in accordance with the Snell’s law, travels with an orientation  that depends on the distance D. Being the longitudinal wave velocity vL about twice than the shear and surface wave velocities
    keywords: defect; fig; laser; scan; section; wave
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        item: #249 of 1022
          id: fis-1626
      author: PCCC
       title: Microsoft Word - numero_35_art_5
        date: 2015-12-08
       words: 5939
      flesch: 58
     summary: Fatigue crack growth; Compressive stress; Closure; R-ratio; Paris law; Design codes. INTRODUCTION ost common engineering predictions of fatigue crack growth (FCG) rate demand a high level of accuracy.
    keywords: crack; crack growth; doi; effect; fatigue; fatigue crack; growth; loading; ratio; stress; stresses
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        item: #250 of 1022
          id: fis-1627
      author: PCCC
       title: Microsoft Word - numero_35_art_6
        date: 2015-12-08
       words: 3348
      flesch: 46
     summary: Mechanisms of initiation and propagation of fatigue cracks were investigated by means of qualitative and quantitative analysis of the morphology of fracture surfaces. Figure 9: New view image of 2D- profile fracture surface of Ti Grade-4 with fatigue crack initiated from surface of the specimen.
    keywords: crack; fatigue; fracture; gigacycle; grain; initiation; roughness; size; state; surface
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        item: #251 of 1022
          id: fis-1628
      author: PCCC
       title: Microsoft Word - numero_35_art_7
        date: 2015-12-08
       words: 3347
      flesch: 52
     summary: Figure 3: Calibration graph of heat flow sensors. Contact heat flux sensors were made for each type of the sample.
    keywords: crack; energy; fatigue; fig; flux; heat; peltier; sample; sensor
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        item: #252 of 1022
          id: fis-1629
      author: PCCC
       title: Microsoft Word - numero_35_art_8
        date: 2015-12-08
       words: 4255
      flesch: 62
     summary: S. El Kabir et alii, Frattura ed Integrità Strutturale, 35 (2016) 64-73; DOI: 10.3221/IGF-ESIS.35.08 65 INTRODUCTION ivil engineering and mechanical structures are usually submitted to mixed mode loading. The numerical analyses of crack path under mixed mode loading are performed as function of contour integral.
    keywords: crack; energy; growth; integral; mmcg; mode; rate; release; specimen
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        item: #253 of 1022
          id: fis-1630
      author: PCCC
       title: Microsoft Word - numero_35_art_9
        date: 2015-12-08
       words: 4223
      flesch: 59
     summary: EXPERIMENTS hree kinds of crack growth tests were carried out to investigate the crack growth behavior in 2324-T39, i.e. tests with M(T) specimen of 4.5mm in thickness under spectrum loading (stated as test type I), tests with relatively small specimens of 1.5mm in thickness with single edge notch under constant amplitude loading(stated as test type II), and in-situ scanning electron microscope (SEM) crack growth tests under constant amplitude loading(stated as test type III). Influence of low load truncation level on crack growth for Al 2324-T39 and Al 7050-T7451.
    keywords: branching; crack; fatigue; fig; growth; loading; specimen; t39; test; type
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        item: #254 of 1022
          id: fis-1631
      author: PCCC
       title: Microsoft Word - numero_35_art_10
        date: 2015-12-08
       words: 3041
      flesch: 56
     summary: Loading axes were parallel to the rolling direction; fatigue cracks propagated parallel to the transverse direction (L-T specimen), parallel to the short transverse direction (L-S specimen). Loading axis was perpendicular to the rolling direction; fatigue cracks propagated parallel to the transverse direction (S-T specimen).
    keywords: alloy; crack; direction; fatigue; magnesium; mater; specimen
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        item: #255 of 1022
          id: fis-1633
      author: PCCC
       title: Microsoft Word - numero_35_art_12
        date: 2015-12-08
       words: 6966
      flesch: 52
     summary: The effectiveness of this procedure has been verified against significant experimental results available in the technical literature and relative to reinforced concrete beams without stirrups failing in shear, which represent a problem of great theoretical and practical importance in the field of structural engineering. [20] Bresler, B., Scordelis, A.C., Shear strength of reinforced concrete beams, J. Am.
    keywords: analysis; beams; behavior; concrete; crack; failure; max; model; non; numerical; stress
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        item: #256 of 1022
          id: fis-1634
      author: PCCC
       title: Microsoft Word - numero_35_art_13
        date: 2015-12-08
       words: 2627
      flesch: 51
     summary: This requires crack propagation calculations in the design phase of the engine. [6] Forman, R.G., Kearney V.E., Engle R.M., Numerical analysis of crack propagation in cyclic-loaded structures, Transactions of the ASME, J. Basic Engng., (1967) 459-464.
    keywords: crack; hcf; loading; mission; mode; point; propagation
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        item: #257 of 1022
          id: fis-1635
      author: PCCC
       title: Microsoft Word - numero_35_art_14
        date: 2015-12-08
       words: 5001
      flesch: 52
     summary: Surface crack; Biaxial loading; Bending; Crack growth. The fatigue growth analysis of surface cracks is one of the most important elements for structural integrity prediction of the flat metallic components in the presence of initial and accumulated operation damages.
    keywords: bending; biaxial; constraint; crack; crack growth; growth; loading; parameter; plastic; specimens; stress; surface
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        item: #258 of 1022
          id: fis-1636
      author: PCCC
       title: Microsoft Word - numero_35_art_15
        date: 2015-12-08
       words: 3997
      flesch: 49
     summary: Residual stresses are often inevitably introduced into the material during the fabrication processes, such as welding, and are known to have significant effects on the subsequent fatigue crack growth behavior of welded structures. Welding sequence; Offshore wind monopole; Residual stress; Fatigue crack growth.
    keywords: crack; fig; peak; plates; sequence; stress; stresses; tensile; thickness; welding
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        item: #259 of 1022
          id: fis-1641
      author: PCCC
       title: Microsoft Word - numero_35_art_20
        date: 2015-12-08
       words: 6077
      flesch: 61
     summary: [6] Plekhov, O., Fedorova, A., Kostina, A., Panteleev, I., Theoretical and experimental study of strain localization and energy dissipation at fatigue crack tip, Procedia Materials Science, 3 (2014) 1020-1025. DOI: 10.1016/j.mspro.2014.06.166. INTRODUCTION umerical or experimental evaluation of plastic dissipation at the tip of fatigue cracks have attracted the attention of several researchers, who investigated, just as few examples, crack propagation assessment criteria [1,2], the thermal effects on stress intensity factors [3,4], the plastic zone size and energy dissipation [5-7].
    keywords: crack; doi; energy; fatigue; fig; heat; material; mpa·m0.5; temperature; tip; volume
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        item: #260 of 1022
          id: fis-1642
      author: PCCC
       title: Microsoft Word - numero_35_art_21
        date: 2015-12-13
       words: 3061
      flesch: 51
     summary: In this paper, fatigue experiments that involve careful measurement of fatigue crack were reviewed. Projected length and angle were used to characterize fatigue crack.
    keywords: crack; fatigue; growth; length; maximum; plane; shear; strain
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        item: #261 of 1022
          id: fis-1643
      author: PCCC
       title: Microsoft Word - numero_35_art_22
        date: 2015-12-14
       words: 4240
      flesch: 54
     summary: MODEL FOR CRACK GROWTH RATE CURVE he fracture mechanics based approach, based on the application of crack growth rate curves, can be applied as an alternative to the approach based on stresses, i.e., that being related to the S-N field, due to its more general applicability to lifetime prediction of mechanical and structural components. [7] Castillo, E., Fernández Canteli, A., Siegele, D., Obtaining S-N curves from crack growth curves.
    keywords: crack; crack growth; curve; fatigue; field; growth; log; range; rate; stress
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        item: #262 of 1022
          id: fis-1645
      author: PCCC
       title: Microsoft Word - numero_35_art_24
        date: 2015-12-13
       words: 3344
      flesch: 54
     summary: 3a-d show the SEM images of the fracture morphology of Fe36Co36B19Si5Nb4 alloy rod with diameter of =2 mm after compressive fracture. The fracture surface of Fe36Co36B19Si5Nb4 rod with diameter of = 4 mm after compressive fracture consists of flat region with fine veins pass to the brittle crack region with extended surface, as shown in Fig.
    keywords: compressive; doi; fracture; morphology; rods; surface; vein
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        item: #263 of 1022
          id: fis-1646
      author: PCCC
       title: Microsoft Word - numero_35_art_25
        date: 2015-12-13
       words: 5853
      flesch: 55
     summary: In the recent years, investigations on fatigue properties of metals under torsion loading become more and more actual topic [7, 8]. Results of ultrasonic tests on high-strength aluminum shows that torsion fatigue crack in VHCF regime have a qualitative similarity to crack in HCF regime In the case of surface torsion crack it can be observed macroscopically at surface in one of two maximum shear stress planes: along or perpendicularly to specimen’s axis.
    keywords: alloy; case; crack; fatigue; growth; initiation; loading; stress; surface; titanium; torsion; vt3
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        item: #264 of 1022
          id: fis-165
      author: User
       title: Microsoft Word - numero 23 articolo 8
        date: 2012-12-23
       words: 6207
      flesch: 57
     summary: In technical literature a previous work shows that MR fluids exhibit a pressure dependency called squeeze strengthen effect. Since a lot of MR fluid based devices are rotary devices, this paper investigates the behaviour of MR fluids under pressure when a rotation is applied to shear the fluid.
    keywords: effect; field; fig; fluid; mr fluid; pressure; shear; stress; system; torque
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        item: #265 of 1022
          id: fis-1650
      author: PCCC
       title: Microsoft Word - numero_35_art_28
        date: 2015-12-13
       words: 3684
      flesch: 49
     summary: MODIFIED COMPACT TENSION SPECIMENS s mentioned above, the geometry of MCT test specimens is derived from that of the original standard compact tension test specimen. The modified compact tension test (MCT) may represent a new test configuration for the performance of static and other kinds of fatigue tests on concrete-like materials.
    keywords: bars; concrete; energy; fracture; numerical; specimen; steel; tension; test
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        item: #266 of 1022
          id: fis-1652
      author: PCCC
       title: Microsoft Word - numero_35_art_30
        date: 2015-12-13
       words: 6092
      flesch: 46
     summary: Hydrogen embrittlement; AISI 4130 steel; Toughness test; Cohesive zone model; Traction- separation law. Hydrogen embrittlement is mostly governed by this second diffusion coefficient.
    keywords: concentration; crack; doi; elements; embrittlement; fracture; hydrogen; model; plane; steel; strain; stress; tsl
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        item: #267 of 1022
          id: fis-1653
      author: PCCC
       title: Microsoft Word - numero_35_art_31
        date: 2015-12-13
       words: 3355
      flesch: 53
     summary: Steel fiber reinforced concrete is potentially very promising material with unique properties, which currently is widely used in some applications, such as floors and concrete pavements. 5.0E-04 1.0E-03 1.5E-03 2.0E-03 COD, mm L o a d , N Experiment FEM Figure 10: Load-crack opening displacement diagram of a four point bending test for steel fiber reinforced concrete.
    keywords: concrete; crack; elements; fiber; fracture; model; point; steel
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        item: #268 of 1022
          id: fis-1654
      author: PCCC
       title: Microsoft Word - numero_35_art_32
        date: 2015-12-13
       words: 3099
      flesch: 54
     summary: The displacements reach their maximum at 3.7 s and 7.5 s, 30 mm was recorded at 3.8 s, the maximum displacement value does not correspond to the maximum amplitude of the excitement that is recorded at 3.65 s. The nodal displacements decrease after 7.5 s.   Figure 6: Damage evolution, tD and cD . N. Oudni et alii, Frattura ed Integrità Strutturale, 35 (2016) 278-284; DOI: 10.3221/IGF-ESIS.35.32 284   Figure 7: Damage evolution in Gauss points.
    keywords: damage; material
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        item: #269 of 1022
          id: fis-1658
      author: PCCC
       title: Microsoft Word - numero_35_art_34
        date: 2015-12-13
       words: 5837
      flesch: 60
     summary: JLR is one of the microstructural features formed in friction stir welds depending on welding conditions and alloy systems. Figure 9: Fatigue data of friction stir welds and base material (R=-1).
    keywords: crack; fatigue; fig; fracture; friction; heat; input; jlr; stir; weld; weld-480; welding
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        item: #270 of 1022
          id: fis-166
      author: User
       title: Microsoft Word - numero 23 articolo 9
        date: 2012-12-23
       words: 2990
      flesch: 56
     summary: However, a cantilever beam configuration is the most common solution [12-15], for piezoelectric converters since it generates large deflection strains when operated at its fundamental frequency and a desired eigenfrequency can be easily obtained varying its length or introducing an appropriate proof mass Energy harvesting; Piezoelectric converter; Multi-frequency structures; Fractal geometry; Power generation.
    keywords: converter; eigenfrequency; energy; fig; lamina; power
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        item: #271 of 1022
          id: fis-1660
      author: PCCC
       title: Microsoft Word - numero_35_art_36
        date: 2015-12-13
       words: 4548
      flesch: 59
     summary: [14] Kujawski, D., A new (K+Kmax)0.5 driving force parameter for crack growth in aluminum alloy, Int. [15] Noroozi, A.H., Glinka, G., Lambert, S., A two parameter driving force for fatigue crack growth analysis, Int.
    keywords: crack; factor; fatigue; growth; hole; intensity; loading; lug; stress
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        item: #272 of 1022
          id: fis-1663
      author: PCCC
       title: Microsoft Word - numero_35_art_39
        date: 2015-12-13
       words: 5136
      flesch: 63
     summary: I I I I I II II II II IIa b K c K d K e K f K gK hK iK jK kK            (13) 0° loading case data is excluded as is the case with the development of equivalent SIF equation to develop the improved in-plane mixed mode-I/II crack deflection angle equation. Critical load values of T-specimen according to developed criterion are acquired by substituting mixed mode SIFs obtained from detailed finite element analyses of T-specimen for different loading angles in the equivalent SIF equation developed by using aonly CTS specimen data.
    keywords: crack; criteria; criterion; fracture; loading; lt-01; mode; results; specimen
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        item: #273 of 1022
          id: fis-1665
      author: PCCC
       title: Microsoft Word - numero_35_art_41
        date: 2015-12-13
       words: 4261
      flesch: 62
     summary: Leonel et.al used two-dimensional BEM method for multiple crack propagation analyses Having performed crack propagation analyses using the same procedure employed in the first application, obtained results are compared to those from Judt and Ricoeur’s
    keywords: crack; fcpas; mode; propagation; stress;  
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        item: #274 of 1022
          id: fis-1667
      author: PCCC
       title: Microsoft Word - numero_35_art_42
        date: 2015-12-13
       words: 5522
      flesch: 55
     summary: Figure 8: Crack paths for different orientation angles of stiffenings The comparison of crack paths in Fig. 8 shows that in the neighbourhood of different kinds of stiffenings the principle characteristics of the crack paths are similar. CRACK PATHS FOR DIFFERENT ORIENTATIONS OF AN INCLUSION he simulated crack paths for different orientations angles of a change in stiffness modelled as an inclusion and the alignment of the inclusion for the extreme orientation angles α = 30° as well as α = 90° are presented in Fig.
    keywords: angle; change; crack; crack paths; fig; inclusion; orientation; region; stiffness
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        item: #275 of 1022
          id: fis-1668
      author: PCCC
       title: Microsoft Word - numero_35_art_43
        date: 2015-12-13
       words: 4469
      flesch: 61
     summary: [3] Amaritsakul, Y., Ching-Kong , Ch., Jinn, J., Biomechanical evaluation of bending strength of spinal pedicle screws, including cylindrical, conical, dual core and double dual core designs using numerical simulations and mechanical tests, Medical Engineering & Physics, 36 (2014) 1218–1223. Microsoft Word - numero_35_art_43 Š. Major et alii, Frattura ed Integrità Strutturale, 35 (2016) 379-388; DOI: 10.3221/IGF-ESIS.35.43 379 Focussed on Crack Paths Fatigue life prediction of pedicle screw for spinal surgery Š.
    keywords: crack; doi; fatigue; fig; figure; length; model; pedicle; screw; stress; surface; thread
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        item: #276 of 1022
          id: fis-1669
      author: PCCC
       title: Microsoft Word - numero_35_art_44
        date: 2015-12-13
       words: 3188
      flesch: 49
     summary: For verifying performance of this observing system, fatigue tests were carried out by using fatigue specimen having a small artificial defect. Figure 7: Shape and dimensions of fatigue specimen.
    keywords: crack; fatigue; fig; observation; specimen; system
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        item: #277 of 1022
          id: fis-167
      author: User
       title: Microsoft Word - numero 23 articolo 10 manca abstract e keywords
        date: 2012-12-24
       words: 4016
      flesch: 33
     summary: This paper reports the research advances in this field as a result of laboratory tests and design studies, with particular focus on the design methodologies involved in the definition of energy harvesters. Energy harvesters will allow using, for example, wireless sensors in many applications such as industrial and structural monitoring, remote medical assistance, military equipments, materials flows monitoring, transports and logistics, energetic efficiency control.
    keywords: design; energy; frequency; generator; harvester; piezoelectric; power; somà; system
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        item: #278 of 1022
          id: fis-1670
      author: PCCC
       title: Microsoft Word - numero_35_art_45
        date: 2015-12-13
       words: 3950
      flesch: 51
     summary: [5] Wu, S.-X., Mai Y.-W., Cotterell B., A model of fatigue crack growth based on Dugdale model and damage accumulation, International Journal of Fracture, 57 (3) (1992) 253-267. [6] Shi, K.K., Cai L.X., Chen L., Wu S.C., Bao C., Prediction of fatigue crack growth based on low cycle fatigue properties.
    keywords: a250; a300; crack; cyclic; fatigue; growth; hardening; haz; material; properties; strain
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        item: #279 of 1022
          id: fis-1677
      author: PCCC
       title: Microsoft Word - numero_35_art_52
        date: 2015-12-13
       words: 10272
      flesch: 63
     summary: The central problem in the successful utilization of fracture mechanic techniques applied to the fatigue spectrum is to obtain a clear understanding of T L. C. H. Ricardo et alii, Frattura ed Integrità Strutturale, 35 (2016) 456-471; DOI: 10.3221/IGF-ESIS.35.52 457 the influence of loading sequences on fatigue crack growth [2]. The ultimate goal of prediction models is to arrive at quantitative results of fatigue crack growth in terms of millimeters per year or some other service period.
    keywords: amplitude; analysis; closure; crack; crack closure; crack growth; crack propagation; doi; element; eng; fatigue; fatigue crack; finite; fracture; loading; mechanics; models; plane; propagation; strain; stress
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        item: #280 of 1022
          id: fis-1678
      author: PCCC
       title: Microsoft Word - numero_35_art_53
        date: 2015-12-13
       words: 4513
      flesch: 52
     summary: To select out bamboo and wood suitable for garden landscaping and explore damage crack behavior and toughening mechanism of biomaterials comprehensively, this study performed theoretical derivation in combination with experiment to study damage crack mode of different kinds of woods and bamboos. Wooden material; Bamboo material; Damage and crack; Strengthening and toughening mechanism.
    keywords: bamboo; crack; damage; direction; emission; fiber; fracture; linear; material; mode; stress; test; wood
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        item: #281 of 1022
          id: fis-1679
      author: PCCC
       title: Microsoft Word - numero_35_art_54
        date: 2015-12-13
       words: 4693
      flesch: 48
     summary: It has been found that, steel reinforcement corrosion is the leading cause for function degeneration of old building structure Besides decrease of mechanical property, performance of steel reinforcement corrosion also includes cracking and even spalling of concrete, weakening of bound stress and decrease of adhesive property.
    keywords: concrete; corrosion; displacement; figure; joints; rate; reinforcement; steel; stress
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        item: #282 of 1022
          id: fis-168
      author: User
       title: Microsoft Word - numero 23 articolo 11
        date: 2012-12-23
       words: 5130
      flesch: 53
     summary: In order to model fluid rarefaction, the effective viscosity approach was followed, which consists of substituting the standard fluid viscosity, contained in the equation, with a scaled term, known as effective viscosity. In particular, the standard fluid viscosity (μ), which compares into its classical formulation, is substituted with a scaled quantity, known as effective viscosity (μeff), defined as: eff PRQ    (3) Where QPR is the flow rate coefficient, computed as a function of the Knudsen number.
    keywords: analytical; damping; data; film; fluid; plate; pressure; results; squeeze; stokes; viscosity
       cache: fis-168.pdf
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        item: #283 of 1022
          id: fis-1681
      author: PCCC
       title: Microsoft Word - numero_35_art_56
        date: 2015-12-13
       words: 3899
      flesch: 56
     summary: Concrete fracture toughness has size effect, that is to say, concrete fracture toughness increases as size of specimen increases; besides, crack-depth ratio affects concrete fracture toughness to some extent, but the influences are not all consistent. The rule to ordinary concrete is that concrete fracture toughness is reduced with the increase of crack-depth ratio, and the rule to RCC partially conforms to ordinary concrete rule.
    keywords: concrete; crack; depth; fracture; ratio; rcc; size; specimen; toughness
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        item: #284 of 1022
          id: fis-1682
      author: PCCC
       title: Microsoft Word - numero_35_art_57
        date: 2015-12-13
       words: 6919
      flesch: 59
     summary: At the head of delamination crack, the stress component yy is about 1.4 ys in the absence of delamination cracks and increases to about 2.1 ys in the presence of delamination cracks. Microsoft Word - numero_35_art_57 X.C. Arnoult et alii, Frattura ed Integrità Strutturale, 35 (2016) 509-522; DOI: 10.3221/IGF-ESIS.35.57 509 Short review: Potential impact of delamination cracks on fracture toughness of structural materials X.C. Arnoult, M. Růžičková, K. Kunzová Centrum Výzkumu Řež s. r. o., Husinec-Řež, Czech Republic Xavier.Arnoult@cvrez.cz A. Materna Czech Technical University in Prague, Faculty of Nuclear Sciences and Physical Engineering Prague, Czech Republic ABSTRACT.
    keywords: cracks; delamination; delamination cracks; ferrite; figure; fracture; orientation; specimens; steel; stress; surface; temperature; toughness; ° c
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        item: #285 of 1022
          id: fis-1684
      author: PCCC
       title: Microsoft Word - numero_35_art_58
        date: 2015-12-13
       words: 4584
      flesch: 57
     summary: Kc is found to vary with crack length and component geometry and is applicable to thinner sections where stable crack growth can occur. The instability condition is reached when G = R and  dG dR da da , i.e. when the curves of G and R versus crack length are tangent to each other.
    keywords: citarella; crack; curve; failure; fig; hole; load; tip
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        item: #286 of 1022
          id: fis-1689
      author: PCCC
       title: Microsoft Word - numero_36_art_1
        date: 2016-03-13
       words: 2999
      flesch: 57
     summary: I. Camagic et alii, Frattura ed Integrità Strutturale, 36 (2016) 1-7; DOI: 10.3221/IGF-ESIS.36.01 6 d a/ d N , m / cy cl e 0 100 200 300 400 500 600 0 -10 10 -9 10 -8 10 -7 10 -6 Temperature, 0C   ▫ new PM  ◦ exploited PM Figure 6: Fatigue crack growth rate, da/dN, vs. temperature for specimens with notches in PM. , 0C Figure 7: Fatigue crack growth rate, da/dN, vs. temperature for specimens with notches in WM.
    keywords: crack; fatigue; growth; temperature
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        item: #287 of 1022
          id: fis-169
      author: User
       title: Microsoft Word - numero 23 articolo 12
        date: 2012-12-23
       words: 6558
      flesch: 44
     summary: Each device for fatigue tests should have the following three features: 1) the possibility to generate variable amplitudes of alternate forces for specimen excitation and variable stress levels inside the material, 2) the possibility to monitor material damage during the accumulation of loading cycles and 3) to provide a criterion to establish the final collapse of the specimen. In order to impose the desired stress levels to the structure during fatigue tests, the characteristics of conversion between electric voltage and stress is needed.
    keywords: cycles; design; device; failure; fatigue; loading; material; number; pull; specimen; stress; test; voltage
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        item: #288 of 1022
          id: fis-1691
      author: PCCC
       title: Microsoft Word - numero_36_art_3
        date: 2016-03-13
       words: 3597
      flesch: 50
     summary: Other group of experiments comprised examinations of specimens with edge notch, prepared in accordance with ASTM E 399 for three points bending, in order to establish regularity between crack growth and range of exerted stress intensity factor aimed to determine resistance of welded joint to initial crack growth, namely fatigue threshold (ΔKth). Crack growth basically can be: stable, subcritical or unstable, whereas possibilities of crack growth may vary following one of the paths from 1 to 8, Fig. 1. Figure 1: Possibilities of crack growth.
    keywords: crack; fatigue; growth; joints; log; relationship; specimens; strength; stress
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        item: #289 of 1022
          id: fis-1694
      author: PCCC
       title: Microsoft Word - numero_36_art_6
        date: 2016-03-17
       words: 4214
      flesch: 57
     summary: The scaling of compression strength with porosity for aluminium foams was investigated. Metallic foams; Aluminium foams; Compression; Compression strength; Percolation.
    keywords: aluminium; compression; foams; metal; scaling; skin; strength
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        item: #290 of 1022
          id: fis-1696
      author: PCCC
       title: Microsoft Word - numero_36_art_7
        date: 2016-03-17
       words: 2445
      flesch: 49
     summary: = 1.379, σ-1 = 23.9 МРа; Having in mind coefficient of sensitivity to cycle asymmetry:         1 23.9 0.05 470 a safety coefficient for corrosion-fatigue strength is then:                   1 23.9 0.05 (81.1 60) 8.34 2.02 m i i a n Influence of internal defects on fatigue of cast steel 20GSL is an important issue and should be carefully evaluated. Fatigue strength depends on number of cycles and can be evaluated by using logarithm curve, obtained from Weller’s curve:    1lg lgA B N
    keywords: cover; fatigue; life; strength; turbine
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        item: #291 of 1022
          id: fis-1697
      author: PCCC
       title: Microsoft Word - numero_36_art_8
        date: 2016-03-17
       words: 4757
      flesch: 51
     summary: However, a dissimilar joint (aluminium-carbon) with smaller thickness adherends succeeds to maintain the stiffness of the assembly, but its strength is diminished. [11] Moreira, D.C., Nunes L.C.S., Experimental analysis of bonded single lap joint with flexible adhesive, Appl.
    keywords: adherends; adhesive; aluminium; carbon; failure; joints; lap; thickness
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        item: #292 of 1022
          id: fis-1699
      author: PCCC
       title: Microsoft Word - numero_36_art_10
        date: 2016-03-17
       words: 6511
      flesch: 48
     summary: Although PTS calculations have been part of RPV safety evaluations since the first half of the 1980’s, there are various approaches that are analogous in general, but have many differences in details. Main features of the model used for PTS Structural Mechanics calculations:  For Structural Mechanics calculations, an analytical code was used [10], which had been validated with a Finite Element Code
    keywords: calculations; crack; fracture; integrity; materials; mechanics; model; problem; pts; results; rpv; temperature
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        item: #293 of 1022
          id: fis-17
      author: User
       title: Microsoft Word - numero 1 art 2.doc
        date: 2007-06-07
       words: 4641
      flesch: 64
     summary: Crediamo che il primo uomo ad occuparsi della resistenza dei solidi agli sforzi sia stato Leonardo da Vinci (1453-1519), che certamente trasse profitto da molte visite agli arsenali ita- liani, Prova di flessione di una trave (Galilei [5], p. 128)
    keywords: alla; beltrami; carico; che; cioè; come; con; così; dei; della; egli; elastico; filo; frattura; galileo; leonardo; limite; nel; non; più; quello; questo; rottura; scienziati; serie; snervamento; sono; sotto; sua; sulla; tensione; torino; una; uno
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        item: #294 of 1022
          id: fis-1700
      author: User
       title: Microsoft Word - numero_36_art_11
        date: 2020-01-03
       words: 3485
      flesch: 56
     summary: In this work, thin flat sheet, with 1.2 mm thickness of a complex phase ferrite-martensitic steels were considered for carrying out fatigue tests at high frequency (20 kHz) up to the gigacycle regime (>109 cycles). Conversely, for thin raw material, such as steel sheets, fatigue specimens are not common and easy to test at high frequency; there is not a lot of VHCF data in literature.
    keywords: crack; fatigue; intensity; khz; specimen; steel; stress; tests
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        item: #295 of 1022
          id: fis-1702
      author: PCCC
       title: Microsoft Word - numero_36_art_13
        date: 2016-03-17
       words: 5029
      flesch: 49
     summary: It can be seen from Fig. 3 that, heat curve of four materials were similar; hydration acceleration period of hydration test specimen mixed with nano-SiO2 was from 10th h to 20th h; double-doped materials which had larger mixing amount of nano-CaCO3 had hydration acceleration and exothermic peak earlier. In quantitative analysis of hydration product of cement based material, α - Al2O3 which is not contained in original paste, keeps stable at room temperature and cannot react with components of cement paste is used as addition phase.
    keywords: analysis; cement; concrete; hydration; material; nano; performance; phase; sio2; specimen; strength; test
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        item: #296 of 1022
          id: fis-1703
      author: PCCC
       title: Microsoft Word - numero_36_art_14
        date: 2016-03-17
       words: 5453
      flesch: 47
     summary: Hence this study analyzed the improved low-carbon Mn-B type ultra-high strength steel plate (1500 MPa) which were processed by conventional heat treatment and heating forming technique and explored the effects of tempering temperature and heating forming technique on the performance of hydrogen induced delay fracture, which provides a reference for the actual application of such kind of steel plate. Recently, accidents induced by hydrogen induced delay fracture of high-strength steels happen frequently.
    keywords: content; delay; fracture; hydrogen; materials; samples; state; steel; strength; temperature; tempering
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        item: #297 of 1022
          id: fis-1705
      author: PCCC
       title: Microsoft Word - numero_36_art_16
        date: 2016-03-17
       words: 3825
      flesch: 52
     summary: Alternatively, the holes not directly involved by crack propagation can be modelled by just introducing longitudinal constraints on 180 degrees of the hole boundary and skipping the explicit pin modelling (Fig. 2b). 2a, holes with crack tips N. 1, 28, 29, 56) or at least strongly retard crack propagation [8].
    keywords: citarella; crack; dbem; doi; fig; hole; joint; propagation
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        item: #298 of 1022
          id: fis-1707
      author: PCCC
       title: Microsoft Word - numero_36_art_18
        date: 2016-03-17
       words: 4533
      flesch: 56
     summary: Based on the locations of AE events, X.D. Zhao, et al. found that the AE distribution could reflect the shape and development of S S.R. Then we can analyze the evolution characteristics of temporal and spatial of AE events, which may facilitate the understanding of the mechanical properties and failure laws of rocks.
    keywords: cells; doi; events; failure; loading; plate; rock; rock plate; stage; test
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        item: #299 of 1022
          id: fis-1708
      author: PCCC
       title: Microsoft Word - numero_36_art_19
        date: 2016-03-17
       words: 4907
      flesch: 45
     summary: Microsoft Word - numero_36_art_19 H. Zhu, Frattura ed Integrità Strutturale, 36 (2016) 191-200; DOI: 10.3221/IGF-ESIS.36.19 191 Crack formation of steel reinforced concrete structure under stress in construction period Hua Zhu College of Civil Engineering, Campus on Avenue Hope, Yancheng Institute of Technology, Yancheng, Jiangsu, China. To obtain deformation rules of steel reinforced concrete structure under stress, this study explored the crack formation in construction period.
    keywords: analysis; column; concrete; construction; crack; creep; deformation; floor; load; steel; structure; value
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        item: #300 of 1022
          id: fis-1709
      author: PCCC
       title: Microsoft Word - numero_36_art_20
        date: 2016-03-17
       words: 8165
      flesch: 60
     summary: The central problem in the successful utilization of fracture mechanic techniques applied to the fatigue spectrum is to obtain a clear understanding of the influence of loading sequences on fatigue crack growth [2]. Figure 1: Fatigue crack growth da/dN versus ΔK stress intensity factor [8]: (a) Threshold range ΔKth; (b) Intermediate region following a power equation; (c) Unstable.
    keywords: closure; crack; crack growth; crack propagation; doi; element; fatigue; fatigue crack; finite; fracture; growth; loading; model; opening; plastic; propagation; stress; tip
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        item: #301 of 1022
          id: fis-1710
      author: PCCC
       title: Microsoft Word - numero_37_art_1
        date: 2016-06-02
       words: 3253
      flesch: 53
     summary: Figure 4: Facet formation with increasing mode III-part. This row on fractured surfaces shows the facet formation depending on mode III-part on the total stress intensity factor KIII/(KI + KIII).
    keywords: crack; facet; fig; iii; loading; mode; quantification; specimen
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        item: #302 of 1022
          id: fis-1712
      author: PCCC
       title: Microsoft Word - numero_37_art_2
        date: 2016-06-02
       words: 4119
      flesch: 60
     summary: Everything is built upon the idea of distance between stress points. We have found that the definition of distance, or rather separation, between stress points after load reversals, from the point of view of plasticity, must involve the angle formed by the lines joining the current stress point and the point of load reversal and this with the origin.
    keywords: cyclic; fatigue; hardening; plastic; point; strain; stress; vector
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        item: #303 of 1022
          id: fis-1713
      author: PCCC
       title: Microsoft Word - numero_37_art_3
        date: 2016-06-02
       words: 4251
      flesch: 55
     summary: Comparisons between numerical and experimental results prove that the proposed approach is able to correctly catch the effects of concrete shrinkage strains on member deflection, as well as on cracking strength and development. To this aim, concrete shrinkage can be explicitly considered by treating it as a prescribed deformation or as a fictitious force in the analyses [5-9].
    keywords: beams; concrete; crack; numerical; reinforcement; shrinkage; v-01
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        item: #304 of 1022
          id: fis-1714
      author: PCCC
       title: Microsoft Word - numero_37_art_4
        date: 2016-06-02
       words: 4248
      flesch: 52
     summary: [2] Shanyavskiy A.A., Quantitative fractographic analyses of fatigue crack growth in longerons of in-service helicopter rotor-blades. [4] Shanyavskiy A.A., Orlov E.F., Koronov M.Z., Fractographic analyses of fatigue crack growth in D16T alloy subjected to biaxial cyclic loads at various R-ratios.
    keywords: blade; crack; equivalent; fatigue; flight; fracture; growth; longeron; service; stress
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        item: #305 of 1022
          id: fis-1717
      author: PCCC
       title: Microsoft Word - numero_37_art_7
        date: 2016-06-02
       words: 3583
      flesch: 50
     summary: After presenting a brief state of the art on ultrasonic fatigue testing machines, the principle of a new biaxial bending device and the associated stress state are presented hereafter. An interesting review of ultrasonic fatigue testing machines is given by Bathias in [5].
    keywords: bending; biaxial; device; fatigue; loading; specimen; state; stress; testing
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        item: #306 of 1022
          id: fis-1718
      author: PCCC
       title: Microsoft Word - numero_37_art_8
        date: 2016-06-02
       words: 4455
      flesch: 60
     summary: (8) This approach results in discontinuities in the time history when applied to non-proportional stresses. Size effects may have a large influence for notched components, but under non-proportional stresses they are not yet well defined.
    keywords: crack; doi; fatigue; initiation; non; npf; optimization; parameter; proportionality; stress
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        item: #307 of 1022
          id: fis-1719
      author: PCCC
       title: Microsoft Word - numero_37_art_9
        date: 2016-06-02
       words: 4287
      flesch: 57
     summary: c) Figure 1: Fretting fatigue test [3]: a) Test assembly; b) Specimen geometry (in mm); c) Bridge type contact pad. RESULTS AND DISCUSSION A. Fretting fatigue tests he results of fretting fatigue tests are shown in Fig. 3a.
    keywords: 316l; air; cycles; fatigue; fretting; hydrogen; mpa; murakami; steel
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        item: #308 of 1022
          id: fis-1720
      author: PCCC
       title: Microsoft Word - numero_37_art_10
        date: 2016-06-02
       words: 6139
      flesch: 58
     summary: Then, Ellyin suggested a criterion based on the combination of plastic and elastic strain energy [12-13], to deal with multiaxial fatigue loadings. Axisymmetric notched specimens have been tested under combined tension and torsion fatigue loadings, both proportional and non-proportional, taking into account different nominal load ratios (R = -1 and 0).
    keywords: control; energy; fatigue; loading; mode; notch; specimens; stress; tension; torsion
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        item: #309 of 1022
          id: fis-1721
      author: PCCC
       title: Microsoft Word - numero_37_art_11
        date: 2016-06-02
       words: 3288
      flesch: 54
     summary: As Fig. 1 exemplary shows on a boarder crack with the length a in a volume cube, different stresses causes various crack loadings (fracture modes). This contribution deals with the complex problem of crack growth under mixed-mode-loading.
    keywords: crack; criterion; fracture; growth; h.a; loading; mode; richard; stress
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        item: #310 of 1022
          id: fis-1722
      author: PCCC
       title: Microsoft Word - numero_37_art_12
        date: 2016-06-28
       words: 3467
      flesch: 55
     summary: [9] McColl, I.R., Ding, J., Leen, S.B., Finite element simulation and experimental validation of fretting wear, Wear, 256 (2004) 1114-1127. On the one hand, due to the non-proportional multiaxial state of contact stress field, the use of multiaxial fatigue parameters has become a very popular technique for fatigue life assessment [2].
    keywords: contact; crack; fatigue; fretting; model; numerical; propagation; wear
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        item: #311 of 1022
          id: fis-1724
      author: PCCC
       title: Microsoft Word - numero_37_art_13
        date: 2016-06-03
       words: 2537
      flesch: 47
     summary: Critical plane; Fatigue damage; Multiaxial fatigue; Parametric representation. P T J. Albinmousa, Frattura ed Integrità Strutturale, 37 (2016) 94-100; DOI: 10.3221/IGF-ESIS.37.13 100 [5] Fatemi, A., Socie, D, A critical plane approach to multiaxial fatigue damage including out-of-phase loading, Fatigue & Fract. of Eng.
    keywords: damage; fatigue; life; loading; parametric; plane; socie
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        item: #312 of 1022
          id: fis-1725
      author: PCCC
       title: Microsoft Word - numero_37_art_14
        date: 2016-06-03
       words: 3053
      flesch: 54
     summary: Sensitivity to small defects under torsional fatigue loading condition is examined in the high cycle fatigue regime. 17-4PH; Small defect; Torsion; Biaxial fatigue; Fatigue limit.
    keywords: area; crack; doi; fatigue; limit; loading; stress
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        item: #313 of 1022
          id: fis-1726
      author: PCCC
       title: Microsoft Word - numero_37_art_15
        date: 2016-06-12
       words: 3616
      flesch: 62
     summary: Figure 2: Notation for crack tip stress field. On the basis of these results, and a mathematical argument, the results suggest that the stress field in the vicinity of a corner point is the sum of two singularities: one due to stress intensity factors and the other due to an as yet undetermined corner point singularity.
    keywords: corner; crack; loading; mode; point; stress
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        item: #314 of 1022
          id: fis-1728
      author: PCCC
       title: Microsoft Word - numero_37_art_17
        date: 2016-06-03
       words: 4025
      flesch: 56
     summary: Thus, the number of SSF loading blocks loaded before failure, shown in column 7, are obtained by dividing the number of loading cycles estimated by the SSF equivalent stress (shown in column 5 of Tabs. Thus, multiaxial fatigue models must be able to evaluate fatigue damage from variable amplitude loadings such as the ones found in multiaxial loading blocks.
    keywords: amplitude; block; damage; fatigue; loading; map; ssf; steel; stress
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        item: #315 of 1022
          id: fis-1729
      author: PCCC
       title: Microsoft Word - numero_37_art_18
        date: 2016-06-28
       words: 3242
      flesch: 47
     summary: Thermographic imaging Because of the high frequencies used on this type of specimen testing, material temperature control represents a challenge on the completion of such tests [1, 5]. Second testing was produced with the developed horn, showing also higher temperatures occurring at the three throats with the highest one at middle throat, Fig. 9. M. Vieira et alii, Frattura ed Integrità Strutturale, 37 (2016) 131-137; DOI: 10.3221/IGF-ESIS.37.18 136 Figure 9: Thermographic image of specimen testing in tension/torsion.
    keywords: axial; biaxial; device; fatigue; horn; mode; specimen; testing
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        item: #316 of 1022
          id: fis-1730
      author: PCCC
       title: Microsoft Word - numero_37_art_19
        date: 2016-06-03
       words: 4616
      flesch: 50
     summary: In this work, a novel Incremental Fatigue Damage methodology is introduced to continuously account for the accumulation of multiaxial fatigue damage under service loads, without requiring rainflow counters or path-equivalent range estimators. Instead, fatigue damage itself is continuously integrated, based on damage parameters adopted by traditional fatigue models well tested in engineering practice.
    keywords: damage; doi; fatigue; load; loading; meggiolaro; models; strain; stress; surfaces
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        item: #317 of 1022
          id: fis-1731
      author: PCCC
       title: Microsoft Word - numero_37_art_20
        date: 2016-06-08
       words: 3521
      flesch: 54
     summary: In recent years, a great deal of recommendations how to address problems with multiaxial fatigue life time estimation have been made and a huge progress in the field has been achieved. Until now, however, no universal criterion for multiaxial fatigue has been proposed.
    keywords: criterion; doi; fatigue; life; loading; parameters; plane; shear; stress; time
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        item: #318 of 1022
          id: fis-1732
      author: PCCC
       title: Microsoft Word - numero_37_art_21
        date: 2016-06-04
       words: 3294
      flesch: 43
     summary: [13] Ingraham, M., DeMaria, C., Issen, K., Morrison, D., Low cycle fatigue of aluminum foam, Materials Science and Engineering a-Structural Materials Properties Microstructure and Processing, 504 (2009) 150-156, DOI: 10.1016/j.msea.2008.10.045 [14] Fatigue properties of porous materials are less frequently published in the literature.
    keywords: cycle; damage; doi; fatigue; lotus; material; model; type
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        item: #319 of 1022
          id: fis-1733
      author: PCCC
       title: Microsoft Word - numero_37_art_22
        date: 2016-06-04
       words: 4570
      flesch: 49
     summary: As a result, in the first part of this study, modifications to the FS parameter are investigated in an attempt to improve fatigue life predictions. Although a factor of ±2.5 error is still very reasonable for multiaxial fatigue life predictions, these results suggest that there is room for some improvement in fatigue damage calculation with respect to the quantification of normal-shear stress/strain interaction.
    keywords: damage; fatigue; life; loading; parameter; shear; stress; tests
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        item: #320 of 1022
          id: fis-1734
      author: PCCC
       title: Microsoft Word - numero_37_art_23
        date: 2016-06-04
       words: 4394
      flesch: 49
     summary: Consequently, using the material data from literature is not expected to have a significant effect on the accuracy of crack growth predictions presented in the following section for either program. In general, the degree of conservatism in crack growth predictions tends to increase with decreasing stress levels.
    keywords: amplitude; axial; crack; growth; history; loading; predictions; stress; torsion
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        item: #321 of 1022
          id: fis-1735
      author: PCCC
       title: Microsoft Word - numero_37_art_24
        date: 2016-06-12
       words: 10536
      flesch: 54
     summary: [4] Anes, V., Reis, L., De Freitas, M., A new criterion for evaluating multiaxial fatigue damage under multiaxial random loading conditions. A A (5)      , 1                 1A fully reversed normal stress fatigue limit for bending R      , 1                 1A fully reversed shear stress fatigue limit for torsion R
    keywords: amplitude; counting; cycle; damage; fatigue; joints; load; loading; methods; non; path; plane; principal; shear; stress; structures; van
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        item: #322 of 1022
          id: fis-1736
      author: PCCC
       title: Microsoft Word - numero_37_art_25
        date: 2016-06-04
       words: 3482
      flesch: 52
     summary: The predictions of the rate of crack growth and residual lifetime of steam turbine disk are compared for elastic and elastic-plastic solutions. The predictions of the rate of crack growth and residual lifetime of steam turbine disk are compared for elastic and elastic-plastic solutions.
    keywords: crack; disc; disk; elastic; fracture; growth; intensity; shlyannikov; steam; stress; turbine
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        item: #323 of 1022
          id: fis-1737
      author: PCCC
       title: Microsoft Word - numero_37_art_26
        date: 2016-06-04
       words: 4293
      flesch: 51
     summary: If, in final durability proof tests, the fatigue life should be insufficient, then the required duration can be adjusted by simple geometrical modifications, e. g. by lowering local stresses by the use of larger radii, if this is not possible, by increasing thickness. Under- or overestimation of required fatigue lives or local stresses are, in any case, revealed by the durability proof tests, which are mandatory for vehicle safety components
    keywords: amplitude; bending; fatigue; life; loading; results; sonsino; spectrum; stress; stresses
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        item: #324 of 1022
          id: fis-1738
      author: PCCC
       title: Microsoft Word - numero_37_art_27
        date: 2016-06-04
       words: 4111
      flesch: 52
     summary: The validation exercise carried out using the experimental results have demonstrated that the MWCM applied in terms of nominal stresses, notch stresses, and also the Point Method is accurate in predicting the fatigue lifetime of the tested FS welded joints, with its use resulting in life estimates that fall within the uniaxial and torsional calibration scatter bands. KEYWORDS. The results of the statistical reanalysis are listed in Tab. 1 in terms of nominal stresses referred to the annular section of the parent tube, where: BR=nom,a/nom,a is the ratio between the amplitudes of the axial and torsional nominal stress, R is the nominal load ratio,  is the out-of-phase angle, k is the negative inverse slope, A and A are the amplitudes of the axial and torsional endurance limits extrapolated at N=2106 cycles to failure, and T is the scatter ratio of the amplitude of the endurance limit for 90% and 10% probabilities of survival.
    keywords: fatigue; mwcm; r=-1; r=0; stress; stresses
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        item: #325 of 1022
          id: fis-1739
      author: PCCC
       title: Microsoft Word - numero_37_art_28
        date: 2016-06-04
       words: 3129
      flesch: 55
     summary: DOI: 10.1007/BF00012619 [13] Libonati, F., Vergani, L., Bone toughness and crack propagation: An experimental study, Proc. In cortical bone, it is represented by osteons (Fig. 1).
    keywords: bone; cos; crack; doi; fracture; loading; mode; osteons; specimens; toughness
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        item: #326 of 1022
          id: fis-1740
      author: PCCC
       title: Microsoft Word - numero_37_art_29
        date: 2016-06-04
       words: 3270
      flesch: 55
     summary: On the basis of such a calculation, an empirical expression for  is proposed, that takes into account the values of bending and torsion fatigue strengths at a reference number of loading cycles. Such an expression is a function of the ratio 2B between bending and torsion fatigue strengths at a reference number of loading cycles, and is a constant for a given material.
    keywords: angle; bending; fatigue; loading; plane; strength; stress; torsion
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        item: #327 of 1022
          id: fis-1741
      author: PCCC
       title: Microsoft Word - numero_37_art_30
        date: 2016-06-04
       words: 3230
      flesch: 55
     summary: [12] developed a model for short fatigue cracks growing in un-notched bodies. [4] Duquesnay, D.L., Yu, M.T., Topper, T.H., in: The behaviour of short fatigue cracks, Miller, K.J, de los Rios, E.R. (Ed), Elsevier, (1986) 323-335.
    keywords: biaxial; crack; direction; fatigue; hole; loading; stress; tests
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        item: #328 of 1022
          id: fis-1742
      author: PCCC
       title: Microsoft Word - numero_37_art_31
        date: 2016-06-05
       words: 3403
      flesch: 58
     summary: Multiaxial fatigue; Non-proportional loadings; Crack growth; Fracture mechanics; Experimental mechanics; Numerical simulation INTRODUCTION atigue crack growth under non-proportional mixed-mode loading depends on many factors. With so many plastic effects playing a role in crack growth under non-proportional loading, a crack tip parameter, which takes plasticity into account, has to be used in further research.
    keywords: crack; fatigue; growth; loading; mode; specimen
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        item: #329 of 1022
          id: fis-1743
      author: PCCC
       title: Microsoft Word - numero_37_art_32
        date: 2016-06-05
       words: 3026
      flesch: 49
     summary: [2] Wang, Y., Susmel, L.,Critical plane approach to multiaxial variable amplitude fatigue loading, Fracture and Structural Integrity, 33(2015) 345-356. The accuracy of three procedures suitable for estimating multiaxial fatigue lifetime of metallic materials is checked against experimental data taken from the literature.
    keywords: amplitude; counting; cycle; fatigue; loading; method; plane; stress; wang
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        item: #330 of 1022
          id: fis-1745
      author: PCCC
       title: Microsoft Word - numero_37_art_34
        date: 2016-06-05
       words: 4480
      flesch: 58
     summary: Fatigue crack growth modeling Since the beginning of the last two decades it has been well established that the fatigue behaviour of metals can be described by three distinct regimes - microstructurally short cracks (MSC), physically small cracks (PSC) and long cracks (LC). [14] Navarro, A., de los Rios, E., Fatigue crack growth modelling by successive blocking of doslocations.
    keywords: crack; fatigue; growth; mpa; psc; steel; version
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        item: #331 of 1022
          id: fis-1746
      author: PCCC
       title: Microsoft Word - numero_37_art_35
        date: 2016-06-05
       words: 3099
      flesch: 48
     summary: D. Angelova et alii, Frattura ed Integrità Strutturale, 37 (2016) 265-271; DOI: 10.3221/IGF-ESIS.37.35 270 Figure 5: Energy-Stress-Elongation Constructions-Space MVZQQ1M1V1Z1, expressing mechanical behaviour, including plasticity, of 30 mm plates/sheets CONCLUSION he technological process of obtaining hot-rolled steel plates/sheets of steel S355J2 + N has been investigated aiming at improving mechanical characteristics of the final product. A newly introduced automatic application optimization procedure in this technology is an important step that leads to avoiding of traditional heat treatment, improving of steel mechanical characteristics, increasing of production efficiency, all resulting in high quality final products.
    keywords: energy; fig; regime; rolling; sheet; steel; stress
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        item: #332 of 1022
          id: fis-1747
      author: PCCC
       title: Microsoft Word - numero_37_art_36
        date: 2016-06-05
       words: 3790
      flesch: 46
     summary: The synthesis of magnetic nanoparticles is a complex process because of their colloidal nature. The most used methods for the synthesis of magnetic nanoparticles is precipitation of iron salts.
    keywords: composites; content; copolymerization; nanoparticles; polyester; resin; strength; water
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        item: #333 of 1022
          id: fis-1750
      author: PCCC
       title: Microsoft Word - numero_37_art_39
        date: 2016-06-05
       words: 4505
      flesch: 56
     summary: MATHEMATICAL MODEL OF HEAT EXCHANGE he normal work and efficient usage of water cooling elements requires restrictions to be made and a number of special features to be taken in consideration when defining the constructive parameters:  heat load under the influence of the arcs and metal;  cooling water movement regime;  outlet cooling water temperature;  possibilities for heat losses decrease through protective cooling covering with a definite emissivity and thickness. Microsoft Word - numero_37_art_39 E. Mihailov et alii, Frattura ed Integrità Strutturale, 37 (2016) 297-304; DOI: 10.3221/IGF-ESIS.37.39 297 Focused on Fracture Mechanics in Central and East Europe An effect of heat insulation parameters on thermal losses of water-cooled roofs for secondary steelmaking electric arc furnaces E. Mihailov, P. Popgeorgiev, M. Ivanova University of Chemical Technology and Metallurgy, Sofia, Bulgaria emil@uctm.edu ABSTRACT.
    keywords: elc; heat; insulation; losses; temperature; water
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        item: #334 of 1022
          id: fis-1751
      author: PCCC
       title: Microsoft Word - numero_37_art_40
        date: 2016-06-05
       words: 2887
      flesch: 49
     summary: The calculation of heat flow and heat transfer coefficient is performed on the dependence presented in [1-3] for the conditions of collecting roller table of continuous strip hot rolling mill (CSHRM). The model allows calculation of modes of accelerated cooling strips on run-out roller table continuous wide hot strip mill.
    keywords: cooling; heat; metal; model; roller; rolling; strip; table; temperature
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        item: #335 of 1022
          id: fis-1752
      author: PCCC
       title: Microsoft Word - numero_37_art_41
        date: 2016-06-05
       words: 3679
      flesch: 52
     summary: The use of cooling systems rolled strips, which include cooling between stands of finishing group and accelerated cooling in run-out roller table, to control capacity of the mill, and mechanical properties of hot rolled strips. Using this technology mode allows you to get a uniform cooling microstructure of metal strips and cut to length machine time rolling on 14 – 18%.
    keywords: cooling; end; hot; metal; microstructure; mill; rolling; strip; temperature
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        item: #336 of 1022
          id: fis-1753
      author: PCCC
       title: Microsoft Word - numero_37_art_42
        date: 2016-06-05
       words: 2959
      flesch: 56
     summary: (3) - it consists of different signs - power front tension, and - power adjustable tension. Figure 5: Impact of the work roll bending efforts on the distribution of specific tensions at the entrance and exit of deformation zone U. Muhin et alii, Frattura ed Integrità Strutturale, 37 (2016) 318-324; DOI: 10.3221/IGF-ESIS.37.42 324
    keywords: broadening; deformation; power; rolling; tension; zone
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        item: #337 of 1022
          id: fis-1754
      author: PCCC
       title: Microsoft Word - numero_37_art_43
        date: 2016-06-06
       words: 3275
      flesch: 53
     summary: But in case of dissimilar FSW joints hardness value decreases with increase rotations speed and transverse speed. This paper presents the effect variable rotational speed and transverse speed on hardness properties of similar FSW joints of AA7075-T651 and dissimilar FSW joints of AA7075-T651-AA6061-T6 and also comparison between FSW and TIG welding were studied.
    keywords: alloys; friction; fsw; hardness; joints; speed; stir; tig; welding
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        item: #338 of 1022
          id: fis-1755
      author: PCCC
       title: Microsoft Word - numero_37_art_44
        date: 2016-06-07
       words: 4926
      flesch: 56
     summary: [17] Biswas, K., Comparison of various plasticity models for metal powder compaction processes, J. of Material Processing Technology, 166 (2005) 107-115. [15] Smith, L.N., Midha, P.S., Graham, A.D., Simulation of metal powder compaction, for the development of a knowledge based powder metallurgy process advisor, Journal of Materials Processing Technology, 79 (1998) 94-100.
    keywords: compaction; density; die; doi; figure; friction; material; metal; model; powder; process; stress; surface
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        item: #339 of 1022
          id: fis-1757
      author: PCCC
       title: Microsoft Word - numero_37_art_46
        date: 2016-06-06
       words: 4169
      flesch: 40
     summary: [11] proposed a time-dependent reliability model of reinforced concrete structure after finding the significant changes of reinforced concrete structure resistance along with the extension of time under corrosion environment and then applied the model for predicting the service time of structure. As to another innovation point, this study gave uncertainty statistical parameters of reinforced concrete structure resistance based on the detailed introduction of degenerated reinforced concrete resistance decrease model and made an analysis on the rules of resistance decrease of corroded bending element.
    keywords: analysis; concrete; element; reinforcement; reliability; resistance; structure; time; value
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        item: #340 of 1022
          id: fis-1759
      author: PCCC
       title: Microsoft Word - numero_37_art_48
        date: 2016-06-10
       words: 7275
      flesch: 52
     summary: The first one is based on the existence of a critical value of the strain in the direction of the applied load, and the second one on the existence of a critical value of the stress in the same direction [19]; once such critical values are overcome, the amount of elastic potential energy necessary for the voids nucleation is considered as reached. Within this scenario, the parallel spreading of advanced techniques of numerical simulation has allowed the development of numerical models with which it is possible to obtain very useful results for a better understanding of the physical phenomena involved in the macroscopic mechanisms of propagation.
    keywords: crack; fracture; material; mean; model; nucleation; numerical; parameters; process; results; strain; value
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        item: #341 of 1022
          id: fis-1760
      author: PCCC
       title: Microsoft Word - numero_37_art_49
        date: 2016-06-12
       words: 6092
      flesch: 58
     summary: A typical variable amplitude stress/strain history is presented in Fig.6. [1]:  a MV MV,max ,min 1 2      m MV MV,max ,min 1 2     (10)  n a n n, ,max ,min 1 2      n m n n, ,max ,min 1 2     (11) where: a and τa are the shear strain and stress amplitudes relative to the critical plane.
    keywords: amplitude; components; fatigue; loading; method; plane; sin; strain; stress; variable
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        item: #342 of 1022
          id: fis-1762
      author: PCCC
       title: Microsoft Word - numero_38_art_1
        date: 2016-08-19
       words: 7008
      flesch: 77
     summary:                       which can be rewritten as                  A
    keywords: y x;  ;  ;  ;  ;  ;  ;  ;  
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        item: #343 of 1022
          id: fis-1763
      author: PCCC
       title: Microsoft Word - numero_38_art_2
        date: 2016-08-19
       words: 4207
      flesch: 54
     summary: [7] Evans, M.-H., Wang, L., Jones, H., Wood, R., White etching crack (WEC) investigation by serial sectioning, focused ion beam and 3-D crack modelling, Tribol. [9] Evans, M.-H., Richardson, A.D., Wang, L., Wood, R.J.K., Anderson, W.B., Confirming subsurface initiation at non- metallic inclusions as one mechanism for white etching crack (WEC) formation, Tribol.
    keywords: bearing; crack; etching; fatigue; load; phase; specimens; stress; surface; testing; wec
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        item: #344 of 1022
          id: fis-1764
      author: PCCC
       title: Microsoft Word - numero_38_art_3
        date: 2016-08-19
       words: 3393
      flesch: 49
     summary: Citation: Shravan Kumar, R., Nijin, I. S., Vivek Bharadwaj, M., Rajkumar, G., Anuradha Banerjee, Stress-state dependent cohesive model for fatigue crack growth, Frattura ed Integrità Strutturale, 38 (2016) 19- 25. As an alternative to classical fracture mechanics based characterization of fatigue crack growth, the cohesive zone model (CZM) has been receiving increasing attention for modeling fatigue damage growth ahead of a macroscopic crack [3-5].
    keywords: crack; damage; effect; fatigue; growth; model; parameter; stress
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        item: #345 of 1022
          id: fis-1766
      author: PCCC
       title: Microsoft Word - numero_38_art_4
        date: 2016-08-19
       words: 4509
      flesch: 50
     summary: Citation: Cui, L., Wang, P., Crack initiation behavior of notched specimens on heat resistant steel under service type loading at high temperature, Frattura ed Integrità Strutturale, 38 (2016) 26-35. [8] Scholz, A., Berger, C, Deformation and life assessment of high temperature materials under creep fatigue loading, Mat.-wiss.
    keywords: crack; creep; deformation; fatigue; fig; lifetime; loading; material; service; specimens; strain; stress; type
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        item: #346 of 1022
          id: fis-1767
      author: PCCC
       title: Microsoft Word - numero_38_art_5
        date: 2016-09-01
       words: 4781
      flesch: 68
     summary:           ENERGY UNDER DISSYMMETRICAL ROTATING BENDING he service stress (Fig. 1 (5a) (b)) on a straight section by a cylindrical specimen: y r t tRb d m Rb RbR R ( ) sin, ,      (5a) Eq Rb Eq Rb Eq RbA B C     (12)
    keywords: crack; energy; fatigue; rb rb; stress
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        item: #347 of 1022
          id: fis-1768
      author: PCCC
       title: Microsoft Word - numero_38_art_6
        date: 2016-08-20
       words: 3033
      flesch: 45
     summary: Assessment of local fatigue strength (50CrMo4). T I M. Leitner et alii, Frattura ed Integrità Strutturale, 38 (2016) 47-53; DOI: 10.3221/IGF-ESIS.38.06 49 For commonly applied steel materials, the reduction in fatigue strength due to notches is less than the elastic theory by terms of the stress concentration factor Kt would estimate.
    keywords: bending; fatigue; loading; plane; results; shear; strength; stress
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        item: #348 of 1022
          id: fis-1769
      author: PCCC
       title: Microsoft Word - numero_38_art_7
        date: 2016-08-20
       words: 4077
      flesch: 61
     summary: It is demonstrated how the scatter in fatigue limit decreases when the Dang Van stress concept is applied and that the fatigue limit is occurring beyond 107 cycles. Figure 4: Illustration of mean curve change in fatigue limit from test series 1 to test series 2.
    keywords: curve; cycles; dang; data; fatigue; limit; series; stress; test; van
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        item: #349 of 1022
          id: fis-1771
      author: PCCC
       title: Microsoft Word - numero_38_art_9
        date: 2016-08-21
       words: 4246
      flesch: 54
     summary: (9) and (10) respectively for strain or stress histories.         (1) Since the norm of s  is equal to the von Mises stress, all distances and filter amplitudes in this 5D sub-space have a physical meaning, they are the von Mises range or the relative von Mises stresses Mises for a straight path between two stress states.
    keywords: amplitude; damage; fatigue; filter; mean; meggiolaro; mrf; plane; shear; strain; stress
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        item: #350 of 1022
          id: fis-1772
      author: PCCC temp
       title: Microsoft Word - numero_38_art_10
        date: 2016-09-17
       words: 4009
      flesch: 49
     summary: A ply folding along fiber direction causes a local increase in fiber volume fraction and by this a local increase in the stiffness in fiber direction. The effect of ply folds as manufacturing defect on the fatigue life of CFRP materials S. Hörrmann, A. Adumitroaie, M. Schagerl Christian Doppler-Lab for Structural Strength Control of Lightweight Constructions, Institute of Structural Lightweight Design, Johannes Kepler University Linz, Altenberger Straße 69, 4040 Linz, Austria susanne.hoerrmann@jku.at, http://orcid.org/0000-0001-7690-328X adi.adumitroaie@jkt.at, http://orcid.org/0000-0002-0812-5671 martin.schagerl@jku.at ABSTRACT.
    keywords: damage; defect; direction; fatigue; fiber; fig; fold; loading; material; transverse
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        item: #351 of 1022
          id: fis-1773
      author: PCCC
       title: Microsoft Word - numero_38_art_11
        date: 2016-08-22
       words: 4845
      flesch: 52
     summary: The probabilistic evaluation of service fatigue life of a structural detail of a road vehicle which was carried out in the present case study was based on the segmentation of random loading processes proposed by Kliman [5, 6]. (1) a ef i a i mM, , ,     (1) Using notch factors, the measured stress values are transformed to notch stress values.
    keywords: approach; curve; damage; fatigue; length; life; load; loading; probability; service; stress
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        item: #352 of 1022
          id: fis-1774
      author: PCCC
       title: Microsoft Word - numero_38_art_12
        date: 2016-08-22
       words: 3891
      flesch: 58
     summary: Microsoft Word - numero_38_art_12 T. Sawada et alii, Frattura ed Integrità Strutturale, 38 (2016) 92-98; DOI: 10.3221/IGF-ESIS.38.12 92 Focussed on Multiaxial Fatigue and Fracture Effect of molding processes on multiaxial fatigue strength in short fibre reinforced polymer Takahiko Sawada, Hiroshi Aoyama Research & Development Group, Hitachi, Ltd., takahiko.sawada.dy@hitachi.com,hiroshi.aoyama.ra@hitachi.com ABSTRACT. The non-dimensional equivalent stress σ* is defined to evaluate multiaxial fatigue strength by modifying Tsai-Hill failure criteria.
    keywords: 0.0vf; fatigue; processes; sgp; strength; stress
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        item: #353 of 1022
          id: fis-1775
      author: PCCC
       title: Microsoft Word - numero_38_art_13
        date: 2016-08-22
       words: 4577
      flesch: 61
     summary: (or shear stress path B  A) acting on a B45 candidate plane (at 45o from the free surface), for a general loading history. For 2D tension-torsion histories with stress paths defined by the normal and shear components x and xy, then y  z  xz  yz 0, while y 
    keywords: fatigue; method; moi; path; plane; shear; strain; stress;  
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        item: #354 of 1022
          id: fis-1776
      author: PCCC
       title: Microsoft Word - numero_38_art_14
        date: 2016-08-23
       words: 5934
      flesch: 59
     summary: Multiaxial fatigue; multiaxial fatigue limit; fatigue prediction; fatigue prediction validation; multiaxial fatigue limit experiment. [55] Kenmeugne, B., Soh Fotsing, B.D., Anago, G.F., Fogue, M., Robert, J.-L., Kenne, J.-P., On the evolution and comparison of multiaxial fatigue criteria, International Journal of Engineering and Technology, 4 (2012) 37-46.
    keywords: cycle; data; experiments; fatigue; int; jnl; limit; paper; papuga; set; sets; specimens; test; torsion; validation
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        item: #355 of 1022
          id: fis-1778
      author: PCCC
       title: Microsoft Word - numero_38_art_16
        date: 2016-08-23
       words: 4199
      flesch: 53
     summary: Two pressure-insensitive stress-based critical damage models are briefly reviewed following, one in principle applicable to materials that are shear-sensitive (for which the main cyclic driving force for fatigue damage is ) and the other to tensile sensitive materials. Critical plane models assume that fatigue damage can be properly evaluated based only on the normal and shear stress and/or strain histories acting on the critical plane, and neglects fatigue damage eventually induced on other planes, assuming they do not interact and so do not affect the microcrack initiation process on the critical plane.
    keywords: damage; fatigue; plane; shear; ssf; stress
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        item: #356 of 1022
          id: fis-1779
      author: PCCC
       title: Microsoft Word - numero_38_art_17
        date: 2016-09-16
       words: 3868
      flesch: 58
     summary: Microsoft Word - numero_38_art_17 M. A. Meggiolaro et alii, Frattura ed Integrità Strutturale, 38 (2016) 128-134; DOI: 10.3221/IGF-ESIS.38.17 128 Focussed on Multiaxial Fatigue and Fracture A unified rule to estimate multiaxial elastoplastic notch stresses and strains under in-phase proportional loadings Marco Antonio Meggiolaro, Jaime Tupiassú Pinho de Castro, Luiz Fernando Martha Pontifical Catholic University of Rio de Janeiro, PUC-Rio, R. Marquês de São Vicente 225, Rio de Janeiro, 22451-900, Brazil meggi@puc-rio.br, jtcastro@puc-rio.br, lfm@tecgraf.puc-rio.br Luiz Fernando Nazaré Marques Federal University of South and Southeast of Pará, UNIFESSPA, Av. dos Ipês S/N, Marabá, 68500-000, Brazil lfernando@unifesspa.edu.br ABSTRACT. [4] Hoffmann, M., Seeger, T., A generalized method for estimating multiaxial elastic plastic notch stresses and strains, Part I: Theory, J Eng Mat Tech, 107 (1985) 250-254.
    keywords: notch; stresses
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        item: #357 of 1022
          id: fis-1780
      author: PCCC
       title: Microsoft Word - numero_38_art_18
        date: 2016-08-24
       words: 3091
      flesch: 45
     summary: [13] Baganna, M., Znaïdi, A., Kharroubi, H., Nasri, R., Identification of anisotropic plastic behavior laws for aluminum 2024 after heat treatment materials from off-axis testing, Toulouse, (2010). [14] Znaidi, A., Daghfas, O., Toussaint, F., Nasri, R., Strategy for the identification of anisotropic behavior laws for Ti40 sheets, AMPT2015 Madrid, (2015).
    keywords: anisotropy; behavior; criterion; hardening; identification; material; model; plastic
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        item: #358 of 1022
          id: fis-1781
      author: PCCC
       title: Microsoft Word - numero_38_art_19
        date: 2016-08-24
       words: 3545
      flesch: 56
     summary: Figure 4: Evolution of ratcheting strain under various loading path EVALUATION OF MACRO-SCALE BASED CYCLIC PLASTICITY he macro-scale based cyclic plasticity with the assumption of rate-independent material’s behavior is phenomenologically described by three parts: yield criterion, plastic flow rule and the kinematic hardening rule. Figure 6: Ratcheting strain predicted by the O-W and the C-J-K models, (a) cases 1-3 under constant axial stress, (b) case 4 under linear path, (c) case 5 under rhombic path, (d) case 6 under circular path.
    keywords: case; loading; path; ratcheting; strain; stress; tension
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        item: #359 of 1022
          id: fis-1782
      author: PCCC
       title: Microsoft Word - numero_38_art_20
        date: 2016-08-24
       words: 3797
      flesch: 62
     summary: Only a few studies [1-8] focus on non-proportional mixed mode loads. It means that for both the mild steel [3] and AA7075-T651 (this study), a long and stable shear mode FCG can be produced by applying non-proportional mixed mode load.
    keywords: cases; crack; fatigue; fcg; growth; loads; mode; shear
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        item: #360 of 1022
          id: fis-1783
      author: PCCC
       title: Microsoft Word - numero_38_art_21
        date: 2016-09-05
       words: 3812
      flesch: 48
     summary: This way, fatigue crack propagation is represented by an evolving spatial zone of material failure. Applying this procedure in a repetitive way, an evolving spatial zone of material failure is simulated, representing fatigue crack propagation.
    keywords: crack; cycles; cyclic; damage; doi; failure; fatigue; material; nucleation; propagation
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        item: #361 of 1022
          id: fis-1784
      author: PCCC
       title: Microsoft Word - numero_38_art_22
        date: 2016-08-24
       words: 4640
      flesch: 58
     summary: 3. PUTTING IT ALL TOGETHER he aim of the presented method is to evaluate fatigue life under cyclic variable amplitude in-phase and out-of- phase loadings (“arbitrary loadings”). The method was applied in order to evaluate fatigue life of magnesium welds under multiaxial variable amplitude fatigue loadings.
    keywords: amplitude; axial; fatigue; life; line; loading; phase; shear; stress; time; wöhler
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        item: #362 of 1022
          id: fis-1785
      author: PCCC
       title: Microsoft Word - numero_38_art_23
        date: 2016-08-24
       words: 3516
      flesch: 49
     summary: Biaxial fatigue tests are carried out on two austenitic stainless steels for different values of the maximum deflection, and with a load ratio equal to -1. The Experimental results Biaxial fatigue tests are carried out on two austenitic stainless steels: “316L THY”, and “304L CLI”.
    keywords: biaxial; calibration; crack; deflection; fatigue; specimen; strain; test
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        item: #363 of 1022
          id: fis-1786
      author: PCCC
       title: Microsoft Word - numero_38_art_24
        date: 2016-08-25
       words: 3890
      flesch: 62
     summary: Therefore the direct use of equivalent von Mises stress criterion for fatigue life prediction can lead to some incorrectness of theoretical and practical nature. Without going into details about derivation, which are well presented in many publications, the final equation for equivalent stress EMS criterion can be written as follow:        EMS
    keywords: criterion; fatigue; stress
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        item: #364 of 1022
          id: fis-1787
      author: PCCC
       title: Microsoft Word - numero_38_art_25
        date: 2016-08-25
       words: 3907
      flesch: 52
     summary: [8] Nagode, M., Hack, M., Fajida, M., Low cycle thermo-mechanical fatigue: Damage operator approach, Fatigue Fract Engng Mater Struct, 33(3) (2010) 149-160. Microsoft Word - numero_38_art_25 D. Carrella-Payan et alii, Frattura ed Integrità Strutturale, 38 (2016) 184-190; DOI: 10.3221/IGF-ESIS.38.25 184 Focussed on Multiaxial Fatigue and Fracture Implementation of fatigue model for unidirectional laminate based on finite element analysis: theory and practice D. Carrella-Payan, B. Magneville, M. Hack, C. Lequesne Siemens PLM Software Delphine.carrella@siemens.com, Benoit.magneville@siemens.com, Michael.hack@siemens.com, cedric.lequesne@siemens.com T. Naito, Y. Urushiyama Honda R&D Co Ltd, Tochigi, Japan Tadashi_Naito@n.t.rd.honda.co.jp, Yuta_Urushiyama@n.t.rd.honda.co.jp W. Yamazaki, T. Yokozeki University of Tokyo, Japan (Jp) yamazaki_w@aastr.t.u-tokyo.ac.jp, yokozeki@aastr.t.u-tokyo.ac.jp W. Van Paepegem Ghent Univeristy, Belgium Wim.VanPaepegem@UGent.be ABSTRACT.
    keywords: damage; degradation; fatigue; stiffness;  
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        item: #365 of 1022
          id: fis-1788
      author: PCCC
       title: Microsoft Word - numero_38_art_26
        date: 2016-09-02
       words: 3989
      flesch: 48
     summary: Cycling strain amplitude has been selected so that deformation reaches deep enough into the plastic zone in order to get substantial dislocation density as seen on Fig. 4 where it is clear that dislocation nucleation dynamics for Cu and Al crystal is quite different depending on the deformation direction. For the basic response, we have deformed Cu and Al single crystal according to simple loading path including cyclic fatigue harmonic tensile deformation.
    keywords: crystal; dislocation; doi; fatigue; loading; simulation; stress; time
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        item: #366 of 1022
          id: fis-1789
      author: PCCC
       title: Microsoft Word - numero_38_art_27
        date: 2016-08-25
       words: 3979
      flesch: 47
     summary: The papers [6-10] present some recent reviews and approaches for multiaxial fatigue and fracture problems. Experimental studies of multiaxial fatigue are based on testing specimens of rather complicated shape.
    keywords: biaxial; components; damage; deformation; fatigue; karuskevich; loading; relief; slip; strain; stress
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        item: #367 of 1022
          id: fis-1790
      author: PCCC
       title: Microsoft Word - numero_38_art_28
        date: 2016-08-26
       words: 5929
      flesch: 47
     summary: It should be noticed that depending on the mechanical impact on the material the structure of surface damages will be varied. Cyclic bending Optical aided investigations of the D16AT alloy surface after cyclic loading suggest that the latter give rise to nucleation of surface damages, formation of strain induced relief (extrusions, intrusions, sliding traces, etc.).
    keywords: accumulation; aluminum; bending; damage; damaging; deformation; entropy; fatigue; loading; parameters; regions; relief; sensor; strain; surface
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        item: #368 of 1022
          id: fis-1791
      author: PCCC
       title: Microsoft Word - numero_38_art_29
        date: 2016-08-26
       words: 4469
      flesch: 57
     summary: However, the effects of sliding contact and/or friction between fracture surfaces during the propagation phase are evident, because the experimental results in terms of total fatigue life (see the smaller symbols: the black ones are related to pure torsion fatigue loading, while the gray ones are for torsion fatigue loading with superimposed static tension) are characterized by a high scatter, due to the difference between the fatigue lives of specimens tested with and without static tensile stress. In circumferentially notched bars subjected to torsion fatigue loadings, factory-roof type fracture surfaces are obtained under low stress amplitudes and the sliding contact of the fracture surfaces causes the retardation of crack propagation [8–12].
    keywords: berto; control; crack; fatigue; initiation; life; notch; steel; stress
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        item: #369 of 1022
          id: fis-1792
      author: PCCC
       title: Microsoft Word - numero_38_art_30
        date: 2016-08-26
       words: 4281
      flesch: 51
     summary: [2] Stulen, F.B., Cummings H.N., A failure criterion for multiaxial fatigue stresses, Proc. of ASTM, 54 (1954) 822-830. S. Suman et alii, Frattura ed Integrità Strutturale, 38 (2016) 224-230; DOI: 10.3221/IGF-ESIS.38.30 228 Proportional, Nf = 36,078 S-Path, Nf = 34,816 Triangle Path, Nf = 176,559 Check Path, Nf = 168,803 Double Check, Nf = 141,421 Figure 3: Critical plane stresses for the tests conducted on DA 718.
    keywords: damage; data; fatigue; loading; model; parameter; plane; shear; stress; stresses
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        item: #370 of 1022
          id: fis-1794
      author: PCCC
       title: Microsoft Word - numero_38_art_32
        date: 2016-08-27
       words: 3573
      flesch: 50
     summary: Since the first two approaches are time consuming, it is desirable to use estimation methods that provide results based on elastic FE simulation only. Microsoft Word - numero_38_art_32 M. Lutovinov et alii, Frattura ed Integrità Strutturale, 38 (2016) 237-243; DOI: 10.3221/IGF-ESIS.38.32 237 Focussed on Multiaxial Fatigue and Fracture A comparison of methods for calculating notch tip strains and stresses under multiaxial loading M. Lutovinov, J. Černý, J. Papuga FME CTU in Prague, Technická 4, 166 07 Prague 6, Czech Republic maxim.lutovinov@fs.cvut.cz jiri.cerny2@fs.cvut.cz jan.papuga@fs.cvut.cz, http://orcid.org/0000-0001-9569-4997 ABSTRACT.
    keywords: elastic; loading; method; rule; strain; stress; stresses
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        item: #371 of 1022
          id: fis-1796
      author: PCCC
       title: Microsoft Word - numero_38_art_34
        date: 2016-08-27
       words: 4754
      flesch: 48
     summary: Figure 4: A comparison between base and forged conditions, (a) stress strain curves (b) and K-M plot of the base (as-extruded) and forged AZ31B magnesium alloy during tensile loading. Figure 5: Fatigue life of forged AZ31B extruded magnesium alloy in comparison with the AZ31 extruded base alloy, obtained at total stress amplitudes of 90-125 MPa.
    keywords: alloy; az31b; direction; extruded; fatigue; fig; fracture; magnesium; material; samples; tensile; texture
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        item: #372 of 1022
          id: fis-1798
      author: PCCC
       title: Microsoft Word - numero_38_art_36
        date: 2016-08-27
       words: 4038
      flesch: 52
     summary: It has been demonstrated that true fracture strain for ductile materials is strongly dependent on the level of stress triaxiality The parameter Q characterizes the degree of crack tip constraint, by quantifying the level of deviation of stress/strain fields from reference fields.
    keywords: constraint; crack; ductile; fracture; mechanics; pipe; specimen; stress; tip
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        item: #373 of 1022
          id: fis-1799
      author: PCCC
       title: Microsoft Word - numero_38_art_37
        date: 2016-08-30
       words: 4501
      flesch: 57
     summary: Microsoft Word - numero_38_art_37 F. Majid et alii, Frattura ed Integrità Strutturale, 38 (2016) 273-280; DOI: 10.3221/IGF-ESIS.38.37 273 Focussed on Multiaxial Fatigue and Fracture Pressure vessels design methods using the codes, fracture mechanics and multiaxial fatigue Fatima Majid, Jilali Nattaj, Mohamed Elghorba University of Hassan II, National Superior School of Electricity and Mechanics Casablanca (ENSEM) LCCMMS majidfatima9@gmail.com, http://orcid.org/0000-0001-8909-8232 ABSTRACT. Besides, an overview of multiaxial fatigue in PVs is detailed.
    keywords: asme; damage; design; fatigue; fracture; materials; pressure; stress; theory
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        item: #374 of 1022
          id: fis-18
      author: User
       title: Microsoft Word - numero 1 art 3.doc
        date: 2007-06-07
       words: 2860
      flesch: 65
     summary: Alterna- tively, the prediction of crack growth may be directly based on the fracture mechanism operating on the micro- scale, either by incorporating the failure mechanism in the constitutive equations for the material, or by repre- senting the failure mechanism through a cohesive zone model of the fracture process zone. The present paper will give a survey of a number of investigations where the prediction of crack growth has been based on models of the actual fracture mechanism.
    keywords: crack; damage; failure; growth; material; model; tvergaard
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        item: #375 of 1022
          id: fis-1800
      author: PCCC
       title: Microsoft Word - numero_38_art_38
        date: 2016-09-01
       words: 3811
      flesch: 59
     summary: This figure shows that dark symbols for PP-FF and CI-FF tests are plotted beside the bold line and NP can evaluate non-proportional loading tests at the high strain rate. 102 103 104 Factor of 2 PP-FF PP-SS PP-SS* PP-TH-3 PP-TH-10 PP-CH-3 PP-CH-10 1.0 2.0 S tr ai n ra n g e   N P , % Failure life Nf, cycles CI-FF CI-SS CI-SS* CI-TH-3 CI-TH-100.4 0.2 Figure 5: Correlation of Nf by non-proportional strain range.
    keywords: failure; life; loading; non; strain; test
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        item: #376 of 1022
          id: fis-1801
      author: PCCC
       title: Microsoft Word - numero_38_art_39
        date: 2016-09-01
       words: 3973
      flesch: 55
     summary: The circle loading test is non-proportional loading test in which axial stress and shear stress have 90 degrees sinusoidal out-of-phase difference. This study discusses fatigue properties of low carbon steel, type SS400 steel, under non-proportional loading.
    keywords: circle; failure; fatigue; life; loading; pull; push; strain; stress; test
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        item: #377 of 1022
          id: fis-1804
      author: PCCC
       title: Microsoft Word - numero_38_art_42
        date: 2016-09-01
       words: 7201
      flesch: 56
     summary: With probabilistic modifications in the present model, the calculative consistency is achieved between fatigue damage and fatigue life. Fatigue damage; Fatigue life; Probabilistic statistical model; Load sequence effect; Statistical self-consistency.
    keywords: amplitude; damage; distribution; fatigue; fatigue damage; fatigue life; level; life; loading; model; spectrum; stress; test
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        item: #378 of 1022
          id: fis-1807
      author: PCCC
       title: Microsoft Word - numero_38_art_45
        date: 2016-09-05
       words: 3738
      flesch: 59
     summary: Sander [1] classify these in single over-/underloads, over-/underload sequences, block loading and service loading. Generally, block loadings are distinguished between high-low, low-high or the appropriate combination low-high-low sequences [2].
    keywords: base; block; crack; fig; growth; iii; loading; mode
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        item: #379 of 1022
          id: fis-1809
      author: PCCC temp
       title: Microsoft Word - numero_38_art_47
        date: 2016-09-17
       words: 8105
      flesch: 68
     summary: (9) and (10) – as explained in the Appendix – the following expressions are obtained for the interfacial shear stress,  s q l s l s( ) exp( )      (11) and internal forces in the beam,     b Q f b Q b Q f b l N s qb s s l s V s q l s l M s q a s l a s qb h s s l s , , , 1 ( ) 1 exp( ) 2 ( ) ( ) 1 1 1 ( ) ( )( 2 ) 1 exp( ) 2 2 2                        Lastly, we obtain the following final expression for the interfacial shear stress: s q l s ql s( ) ( ) exp( )       (A13) which is equivalent to Eq.
    keywords: b b; b l; beam; ipe; l s; load; p b; q b; s b; steel;  
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        item: #380 of 1022
          id: fis-1810
      author: PCCC
       title: Microsoft Word - numero_38_art_43
        date: 2016-09-02
       words: 4182
      flesch: 55
     summary: Microsoft Word - numero_38_art_43 I. N. Shardakov et alii, Frattura ed Integrità Strutturale, 38 (2016) 331-338; DOI: 10.3221/IGF-ESIS.38.43 331 Delamination of carbon-fiber strengthening layer from concrete beam during deformation (infrared thermography) I. N. Shardakov, A. P. Shestakov Institute of Continuous Media Mechanics of the Ural Branch of Russian Academy of Science (ICMM UB RAS), Korolev str., 1, Perm, 614013, Russia. The present work describes the results of experimental studies on the load- carrying capacity of concrete beams strengthened with carbon fiber reinforced plastic (CFRP).
    keywords: beams; cfrp; concrete; debonding; delamination; frpr; loading; series; strengthening
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        item: #381 of 1022
          id: fis-1811
      author: PCCC
       title: Microsoft Word - numero_38_art_44
        date: 2016-09-02
       words: 5984
      flesch: 50
     summary: Microsoft Word - numero_38_art_44 I. N. Shardakov et alii, Frattura ed Integrità Strutturale, 38 (2016) 339-350; DOI: 10.3221/IGF-ESIS.38.44 339 Process of cracking in reinforced concrete beams (simulation and experiment) I. N. Shardakov, A. P. Shestakov, I.O. Glot Institute of Continuous Media Mechanics of the Ural Branch of Russian Academy of Science (ICMM UB RAS), Korolev str., 1, Perm, 614013, Russia. Citation: Shardakov, I. N., Bykov, A.A., Shestakov, A. P., Glot, I.O., Process of cracking in reinforced concrete beams (simulation and experiment), Frattura ed Integrità Strutturale, 38 (2016) 339-350.
    keywords: beam; bending; changes; concrete; crack; doi; eigenfrequencies; fig; loading; methods; shardakov; structures; vibration
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        item: #382 of 1022
          id: fis-1812
      author: PCCC temp
       title: Microsoft Word - numero_38_art_48
        date: 2016-09-30
       words: 3832
      flesch: 49
     summary: Studies of objects with delamination type defects have received considerable attention in scientific literature. The capabilities of using piezoelements for registration of high frequency vibrations are described in [11].
    keywords: contact; damage; defect; delamination; detection; frequencies; frequency; model; size
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        item: #383 of 1022
          id: fis-1813
      author: HYY
       title: Microsoft Word - SHANA_ICMFF11_16
        date: 2016-10-07
       words: 4333
      flesch: 53
     summary: [2] Shanyavskiy, A.A., Quantitative fractographic analyses of fatigue crack growth in longerons of in-service helicopter rotor-blades. [4] Shanyavskiy, A.A., Orlov, E.F., Koronov, M.Z., Fractographic analyses of fatigue crack growth in D16T alloy subjected to biaxial cyclic loads at various R-ratios.
    keywords: blade; crack; equivalent; fatigue; flight; fracture; growth; longeron; service; stress
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        item: #384 of 1022
          id: fis-1815
      author: PCCC temp
       title: Microsoft Word - numero_39_art_2
        date: 2016-12-10
       words: 5291
      flesch: 45
     summary: The validity of this condition is also required when optimization algorithms are needed for the inverse identification of the unknown parameters of nonlinear material models of concrete, where experimentally measured load-displacement curves can be conveniently applied. Further, the applied material model represents the evolutionary branch of nonlinear material models of concrete that exploit plasticity theory combined with instruments of nonlinear fracture mechanics to form a single model.
    keywords: concrete; doi; fracture; function; identification; material; model; nonlinear; optimization; parameters; rmse; values
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        item: #385 of 1022
          id: fis-1817
      author: PCCC temp
       title: Microsoft Word - numero_39_art_4
        date: 2016-12-10
       words: 5858
      flesch: 46
     summary: Microsoft Word - numero_39_art_4 P. Konecny et alii, Frattura ed Integrità Strutturale, 39 (2017) 29-37; DOI: 10.3221/IGF-ESIS.39.04 29 Focussed on Modelling in Mechanics Effect of cracking and randomness of inputs on corrosion initiation of reinforced concrete bridge decks exposed to chlorides P. Konecny, P. Lehner VŠB – Technical University of Ostrava, Faculty of Civil Engineering, Department of Structural Mechanics, L. Podeště 1875, 708 33 Ostrava-Poruba, Czech Republic petr.konecny@vsb.cz, http://orcid.org/0000-0001-6667-7522 petr.lehner@vsb.cz, http://orcid.org/0000-0002-1478-5027 ABSTRACT. Reinforced concrete bridge deck with a crack The durability is expressed in the form of the period to the onset of corrosion.
    keywords: bridge; chloride; concrete; corrosion; crack; deck; deterministic; doi; effect; model; parameters; probability; reinforcement; steel
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        item: #386 of 1022
          id: fis-1818
      author: PCCC temp
       title: Microsoft Word - numero_39_art_5
        date: 2016-12-10
       words: 4875
      flesch: 39
     summary: Inverse analysis; Optimization; Objective function; Numerical simulation; Nonlinear concrete material model; Experimental data. Financial assistance was also received via project FAST-J-16-3744 Optimization of the parameters of nonlinear concrete material models for explicit dynamics; this instrument was structured and guaranteed by Brno University of Technology to support the Specific University Research.
    keywords: analysis; concrete; curve; load; material; model; mpa; nonlinear; optimization; parameters; values
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        item: #387 of 1022
          id: fis-182
      author: User
       title: Microsoft Word - numero 24 articolo 8
        date: 2013-03-19
       words: 3688
      flesch: 52
     summary: 5. 0 20 40 60 80 100 120 -1 0 1 2 3 4 5 6 7 time, sec W p (t ), Q (t ), W p (t )- Q (t ), W Plastic work, heat dissipation energy and stored energy, W Heat dissipation energy Plastic work Stored energy Figure 5: Time dependence of plastic work, heat dissipation energy and stored energy calculated for the smooth specimen. 0 1 2 3 4 5 6 -0.5 0 0.5 1 1.5 2 2.5 3 x 10 9 time, sec W p , Q , W p -Q , J/ m 3 Plastic work, heat dissipation energy and stored energy, J/m3 Accumulated dissipation energy Accumulated plastic work Stored energy 1 2 3 Figure 7: Time dependence of plastic work, heat dissipation energy and stored energy at the point near the crack tip (1, 2, 3 – time points for β-distribution in Fig. 8).
    keywords: crack; data; deformation; dissipation; energy; heat; plastic; time; work
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        item: #388 of 1022
          id: fis-1820
      author: PCCC temp
       title: Microsoft Word - numero_39_art_7
        date: 2016-12-10
       words: 2949
      flesch: 54
     summary: Connections with squared timber also have significant plastic deformations prior to the collapse of the joints, in contrast to round timber joints. There have been made series of tests of round timber joints in different inclinations of the loading force and also the reference tests of squared timber joints to compare the behaviour of this type of joints.
    keywords: capacity; grain; joints; load; round; samples; timber
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        item: #389 of 1022
          id: fis-1824
      author: PCCC temp
       title: Microsoft Word - numero_39_art_11
        date: 2016-12-10
       words: 4643
      flesch: 58
     summary: The fracture mechanical properties of silicate based materials are determined from various fracture mechanicals tests, e.g. three- or four- point bending test, wedge splitting test, modified compact tension test etc. [5] Cifuentes, H., Karihaloo, D.L. Determination of size-independent specific fracture energy of normal and high- strength self-compacting concrete from wedge splitting tests, Construction and Building Materials, 48 (2013) 548– 553. DOI: 10.1016/j.conbuildmat.2013.07.062.
    keywords: crack; doi; fig; fracture; iii; seitl; splitting; stress; test; values; wedge
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        item: #390 of 1022
          id: fis-1826
      author: PCCC temp
       title: Microsoft Word - numero_39_art_13
        date: 2016-12-10
       words: 4331
      flesch: 56
     summary: CONCLUSIONS he finite element analysis of two effects on modified compact tension test for specimens like concrete is introduced by means of a constraint-based two parameter fracture mechanic approach. This contribution focuses on a numerical simulation and a calculation of fracture mechanical properties of modified compact tension test configuration.
    keywords: concrete; crack; doi; fracture; gpa; model; modulus; stress; test; values
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        item: #391 of 1022
          id: fis-1827
      author: PCCC temp
       title: Microsoft Word - numero_39_art_14
        date: 2016-12-10
       words: 5832
      flesch: 54
     summary: [17] Ayatollahi, M.R., Nejati, M., An over-deterministic method for calculation of coefficients of crack tip asymptotic field from finite element analysis, Fatigue & Fracture of Engineering Materials & Structures, 34 (2010) 159–176. [20] Sobek, J., Pail, T., Veselý, V., Evaluation of crack tip Stress field using combination of advanced implementation of over-deterministic method and FE analysis, Key Engineering Materials, 627 (2015) 273–276. DOI: 10.4028/www.scientific.net/KEM.627.273.
    keywords: crack; field; fracture; nodal; ring; selection; stress; terms; tip
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        item: #392 of 1022
          id: fis-1829
      author: PCCC temp
       title: Microsoft Word - numero_39_art_16 da rifare
        date: 2016-12-10
       words: 3228
      flesch: 45
     summary: Step 1: Performing an experimental program: To perform an experimental program using different biaxial loading ranges and to obtain the fatigue life for each experiment Step 2: Calculation of multiaxial fatigue parameter: The different biaxial loading ranges selected in the previous step are using to obtain the values of GP for each plane of the specimen. [8] Papadopoulos, I. V., A review of multiaxial fatigue limit criteria, Advanced Course on High-Cycle Metal Fatigue, (1997).
    keywords: criteria; damage; failure; fatigue; parameter; plane; probability; value
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        item: #393 of 1022
          id: fis-183
      author: User
       title: Microsoft Word - numero 24 articolo 17
        date: 2013-03-19
       words: 6324
      flesch: 58
     summary: CELL CALIBRATION he material model described above needs the calculation, the measurement or the phenomenological tuning of (at least) 13 parameters: Figure 2: Equivalent strain distribution inside two RVE. 0.00 0.10 0.20 0.30 0.40 0.50 0.00 200.00 400.00 600.00 800.00   single void distribution Figure 3: Global cell response.
    keywords: cell; crack; curve; distribution; law; material; model; parameters; strain; stress; void; volume
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        item: #394 of 1022
          id: fis-1830
      author: PCCC temp
       title: Microsoft Word - numero_39_art_17
        date: 2016-12-10
       words: 6566
      flesch: 58
     summary: Microsoft Word - numero_39_art_17 M. Shariati et alii, Frattura ed Integrità Strutturale, 39 (2017) 166-180; DOI: 10.3221/IGF-ESIS.39.17 166 Investigation of stress intensity factor for internal cracks in FG cylinders under static and dynamic loading Mahmoud Shariati Ferdowsi University of Mashhad, Mashhad, Iran mshariati44@um.ac.ir, http://orcid.org/0000-0001-8742-2975 Masoud Mahdizadeh Rokhi Shahrood University of Technology, Shahrood, Iran mmrokhi@shahroodut.ac.ir, http://orcid.org/ 0000-0001-6973-8431 Hassan Rayegan University of Birjand, Birjand, Iran hassanrayegan@yahoo.com ABSTRACT. Stress intensity factor; Functionally graded cylinders; Penny- shaped cracks; Circumferential cracks; Extended finite element method; Rotational speed.
    keywords: crack; cylinder; doi; intensity; n n; r r; sif; stress
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        item: #395 of 1022
          id: fis-1831
      author: PCCC temp
       title: Microsoft Word - numero_39_art_18
        date: 2016-12-10
       words: 5458
      flesch: 50
     summary: It was because of the evaporation of both free water in granite cracks and the expansion of micro-cracks of the granite. The axial loading of the cylinder sample which was cooled down after high temperature heating was controlled by the displacement generated by the hydraulic cylinder.
    keywords: analysis; cracks; curve; granite; heating; peak; strain; stress; temperature; water
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        item: #396 of 1022
          id: fis-1832
      author: PCCC temp
       title: Microsoft Word - numero_39_art_19
        date: 2016-12-10
       words: 5030
      flesch: 48
     summary: The vertex, corresponding to the ending point of linear elastic section, represents the starting point of damage process. Finite element method; Mode I crack; Fracture toughness; Cohesive law; Adhesive bonding.
    keywords: damage; fracture; interface; mode; n n; separation; traction;  
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        item: #397 of 1022
          id: fis-1834
      author: PCCC temp
       title: Microsoft Word - numero_39_art_21
        date: 2016-12-10
       words: 5403
      flesch: 69
     summary:             0.50 T B B B B B W W W W W 2 3 4 5 33 max 3.32333 18.49597 58.0134 95.41084 76.51515 23.71795        a/W Polynomial Equations 0.45 T B B B B B W W W W W 2 3 4 5 33 max 3.02667 16.98748 53.07517 86.44814 68.70629 21.15385     
    keywords: max; t11;  ;  ;  ;  
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        item: #398 of 1022
          id: fis-1835
      author: PCCC temp
       title: Microsoft Word - numero_39_art_22
        date: 2016-12-10
       words: 12943
      flesch: 51
     summary: [3] investigates the visco-elastic damping in fabric reinforced single layers by FE-calculations. The repeated acting of this mesomechanic kinematic due to geometric constraints is presumed to enhance the damping properties of fabric reinforced single layers compared to unidirectionally reinforced ones.
    keywords: amplitude; composites; deformation; degree; fabric; fiber; geometric; investigations; kinematic; length; material; model; ondulation; properties; romano; weave
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        item: #399 of 1022
          id: fis-1837
      author: HYY
       title: Microsoft Word - numero_39_art_24
        date: 2016-12-13
       words: 4636
      flesch: 47
     summary: Recently, researches on aluminum alloy are focused on mechanical properties, texture and anisotropic behavior that give rise from processing of aluminum alloy sheet [6-7, 10-11]. Microsoft Word - numero_39_art_24 O. Daghfas et alii, Frattura ed Integrità Strutturale, 39 (2017) 263-273; DOI: 10.3221/IGF-ESIS.39.24 263 Experimental and numerical study on mechanical properties of aluminum alloy under uniaxial tensile test O. Daghfas, A. Znaidi, A. Ben Mohamed, R. Nasri University of Tunis Manar, National School of Engineers of Tunis, LR-MAI-ENIT BP37, 1002 Tunisie daghfasolfa@yahoo.fr, amna.znaidi@laposte.net, ahmed82enit@yahoo.fr, Rachid.nasri@enit.rnu.tn ABSTRACT.
    keywords: alloy; aluminum; anisotropy; behavior; daghfas; direction; experimental; hardening; plastic; tensile
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        item: #400 of 1022
          id: fis-1838
      author: PCCC temp
       title: Microsoft Word - numero_39_art_25
        date: 2016-12-12
       words: 3721
      flesch: 45
     summary: Microsoft Word - numero_39_art_25 S. Doddamani et alii, Frattura ed Integrità Strutturale, 39 (2017) 274-281; DOI: 10.3221/IGF-ESIS.39.25 274 Experimental investigation on fracture toughness of Al6061–graphite by using Circumferential Notched Tensile Specimens Saleemsab Doddamani Department of Mechanical Engineering, Jain Institute of Technology, Karnataka, India, saleemsabdoddamani@gmail.com Mohamed Kaleemulla Department of Studies in Mechanical Engineering, University B.D.T. College of Engineering, Karnataka, India. The test samples were subjected to tensile test on UTM for the determination of fracture toughness.
    keywords: al6061; aluminium; cnt; composites; fracture; fracture toughness; graphite; specimens; tensile; toughness
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        item: #401 of 1022
          id: fis-1839
      author: HYY
       title: Microsoft Word - numero_39_art_26
        date: 2016-12-13
       words: 4348
      flesch: 57
     summary: Microsoft Word - numero_39_art_26 S. Harzallah et alii, Frattura ed Integrità Strutturale, 39 (2017) 282-290; DOI: 10.3221/IGF-ESIS.39.26 282 Numerical study of eddy current by Finite Element Method for cracks detection in structures S. Harzallah, M. Chabaat, K. Chabane University Built Environmental Research Lab., Civil Engineering Faculty, University of Sciences and Technology HouariBoumediene, B.P 32 El Alia Citation: Harzallah, S., Chabaat, M., Chabane, K., Numerical study of eddy current by Finite element method for cracks detection in structures, Frattura ed Integrità Strutturale, 39 (2017) 282-290.
    keywords: crack; current; eddy; harzallah; impedance
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        item: #402 of 1022
          id: fis-1842
      author: PCCC temp
       title: Microsoft Word - numero_40_art_3
        date: 2017-03-26
       words: 5015
      flesch: 46
     summary: The collected AE and PSC data are studied in combination with the mechanical data, like mechanical stress and strain, under the frame of the Kaiser effect. INTRODUCTION he scientific literature reports several studies and recordings of AE that are attributed to mechanical stresses adequate to cause microcracking phenomena in rocks
    keywords: behaviour; effect; emissions; kaiser; loading; marble; psc; stress
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        item: #403 of 1022
          id: fis-1843
      author: PCCC temp
       title: Microsoft Word - numero_40_art_4
        date: 2017-03-26
       words: 6583
      flesch: 54
     summary: The knee points are observed when strain equals about 50-60% of the fracture strain for all three materials studied here (while the stress level equals about 70-80% for marble specimens and about 55-65% for mortar and soda glass specimens). [29] Kourkoulis, S.K., Prassianakis, I., Agioutantis, Z., Exadaktylos, G.E., Reliability assessment of the NDT results for the internal damage of marble specimens, International Journal of Material and Product Technology, 26(1/2) (2006) 35-56.
    keywords: glass; marble; materials; maximum; mortar; point; psc; specimen; strain; stress; techniques; value
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        item: #404 of 1022
          id: fis-1844
      author: PCCC temp
       title: Microsoft Word - numero_40_art_5
        date: 2017-03-26
       words: 5080
      flesch: 53
     summary: T A. Kyriazopoulos, Frattura ed Integrità Strutturale, 40 (2017) 52-60; DOI: 10.3221/IGF-ESIS.40.05 59 [14] Triantis, D., Anastasiadis, C., Vallianatos, F., Kyriazis, P., Nover, G., Electric signal emissions during repeated abrupt uniaxial compressional stress steps in amphibolite from KTB drilling, Natural Hazards & Earth System Sciences, 7 (2007) 149-154. When Ib-values progressively decrease, the PSC signals show intense increase, indicating that PSC emissions are mainly attributed to crack formation and propagation.
    keywords: acoustic; cement; experiments; failure; fracture; load; loading; psc; value
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        item: #405 of 1022
          id: fis-1847
      author: PCCC temp
       title: Microsoft Word - numero_40_art_8
        date: 2017-03-26
       words: 5722
      flesch: 55
     summary: How- ever, the aforementioned classic view on the effect of obesity has been put into question from findings that link obesity to the loss of bone mass and osteopenia These findings indicate that exercise tends to limit the HFD-induced loss of bone mass by increasing the thickness of the femurs’ cortical shell.
    keywords: body; bone; diet; effect; exercise; fat; force; group; hfd; levels; mass; obesity; weeks
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        item: #406 of 1022
          id: fis-1850
      author: PCCC temp
       title: Microsoft Word - numero_40_art_11
        date: 2017-03-26
       words: 3920
      flesch: 58
     summary: Lee et al., 2004, [7] determined the upper limit of control force based on the response spectrum of the external earthquake. If the capacity is smaller than the required control force then a scale factor, α, reducing the elastic forces to new design forces is calculated.
    keywords: capacity; control; design; devices; earthquake; forces; procedure; spectrum; structure
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        item: #407 of 1022
          id: fis-1851
      author: PCCC temp
       title: Microsoft Word - numero_40_art_12
        date: 2017-03-15
       words: 6903
      flesch: 58
     summary: In this study, first of all, fatigue data of aluminum alloy welded joints is collected and the fatigue database is obtained from related literatures. Then, S-N curves are fitted based on the nodal force based structural stress and the scatter degree of fatigue data is computed.
    keywords: alloy; aluminum; characteristics; curve; data; doi; domain; fatigue; joints; life; method; set; stress; structural
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        item: #408 of 1022
          id: fis-1854
      author: HYY
       title: Microsoft Word - numero_40_art_1
        date: 2017-04-28
       words: 4363
      flesch: 54
     summary: The MRF preserves load order, allowing the synchronous filtering of stress and strain histories, without filtering out important multiaxial load reversal points. Engineering stresses and strains are calculated from load/torque cell measurements and from an MTS 632.68 axial/torsional extensometer, and then converted to true stresses and strains [13].
    keywords: amplitude; fatigue; filter; load; mrf; path; points; stress
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        item: #409 of 1022
          id: fis-1855
      author: PCCC temp
       title: Microsoft Word - numero_41_art_2_.docx
        date: 2017-06-29
       words: 5170
      flesch: 57
     summary: Figure 6: (a) Crack initiation (open markers) and fatigue life to failure (filled markers) of Ti-6Al-4V notched specimens expressed in terms of averaged SED. Titanium alloy; Fatigue notch effect; Potential drop method; Crack initiation; Averaged SED.
    keywords: crack; doi; fatigue; fig; initiation; life; notch; potential; specimens
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        item: #410 of 1022
          id: fis-1857
      author: HYY
       title: Microsoft Word - numero_40_art_3
        date: 2017-04-28
       words: 4223
      flesch: 58
     summary: Cracking direction is a physical background for developing a multiaxial LCF damage model and therefore studying the relationship between cracking direction and fatigue life is meaningful. The results of the energy release well accounts for the transition of crack direction depending on strain range from an energy release viewpoint.
    keywords: cracking; cycle; direction; fatigue; principal; shear; specimen; strain; torsion
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        item: #411 of 1022
          id: fis-1858
      author: PCCC temp
       title: Microsoft Word - numero_41_art_4.docx
        date: 2017-05-23
       words: 2892
      flesch: 49
     summary: Critical plane; Fatigue life; Equivalent stress; Scatter analysys. The work aimed at finding an algorithm for predicting fatigue life accompanying random loads was undertaken by Macha in 1979
    keywords: analysis; angle; fatigue; life; materials; plane; scatter
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        item: #412 of 1022
          id: fis-1859
      author: HYY
       title: Microsoft Word - numero_40_art_5
        date: 2017-04-28
       words: 4521
      flesch: 53
     summary: Microsoft Word - numero_40_art_5 V. Shlyannikov et alii, Frattura ed Integrità Strutturale, 41 (2017) 31-39; DOI: 10.3221/IGF-ESIS.41.05 31 Focused on Multiaxial Fatigue Effect of different environmental conditions on surface crack growth in aluminum alloys V. Shlyannikov, R. Yarullin, I. Ishtyryakov Kazan Scientific Center of the Russian Academy of Sciences, Russia shlyannikov@mail.ru, yarullin_r@mail.ru, ivan_200999@mail.ru ABSTRACT. Fatigue surface crack growth is studied through experiments and computations for aluminum alloys D16T and B95AT (analogue of 2024 and 7075 aluminum).
    keywords: crack; growth; plastic; rate; sif; specimens; surface; temperature; ° c
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        item: #413 of 1022
          id: fis-1860
      author: PCCC temp
       title: Microsoft Word - numero_41_art_6
        date: 2017-05-04
       words: 2781
      flesch: 51
     summary: DOI: 10.3221/IGF-ESIS.41.06 40 Focused on Multiaxial Fatigue Effect of spectral cross-correlation on multiaxial fatigue damage: simulations using the critical plane approach Andrea Carpinteri, Andrea Spagnoli, Sabrina Vantadori University of Parma, Italy andrea.carpinteri@unipr.it, http://orcid.org/0000-0002-8489-6005 andrea.spagnoli@unipr.it, http://orcid.org/0000-0002-0592-7003 sabrina.vantadori@unipr.it, http://orcid.org/0000-0002-1904-9301 ABSTRACT. Citation: Carpinteri, A., Spagnoli, A., Vantadori, S., Effect of spectral cross- correlation on multiaxial fatigue damage: simulations using the critical plane approach, Frattura ed Integrità Strutturale, 41 (2017)
    keywords: damage; fatigue; loading; spectral
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        item: #414 of 1022
          id: fis-1861
      author: PCCC temp
       title: Microsoft Word - numero_41_art_7.docx
        date: 2017-06-11
       words: 4895
      flesch: 52
     summary: There are a lot of structural components that are subjected to non-proportional multiaxial loading, but the verification of shortened fatigue life has not been carried out mostly. Therefore, in order to have a guarantee for safety and soundness of structural components, an appropriate understanding and damage evaluation under non-proportional multiaxial loading are strongly urged [4-8].
    keywords: cycle; evaluation; fatigue; life; loading; method; non; plane; strain; stress
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        item: #415 of 1022
          id: fis-1863
      author: PCCC temp
       title: Microsoft Word - numero_41_art_8
        date: 2017-04-28
       words: 3967
      flesch: 57
     summary: A Critical Plane approach to multiaxial fatigue damage including out-of-phase loading. Some researchers define this plane as the plane of maximum fatigue damage, whereas other group of researchers believe that considering the plane of maximum shear stress as critical plane will be more logical and computationally cheaper.
    keywords: crack; damage; data; fatemi; fatigue; life; lopez; model; parameter; plane; shear; socie; stress
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        item: #416 of 1022
          id: fis-1864
      author: Politecnico
       title: Shot Peening Processes to obtain Nanocrystalline surfaces in metal alloys:
        date: 2017-06-12
       words: 1411
      flesch: 61
     summary: The crack deflection provokes a retardation effect in fatigue crack growth in global mode I, this effect being more pronounced for elevated deflection angle, as shown in Fig. 4. l α 0 0 b 0 F F J. Toribio et alii, Frattura ed Integrità Strutturale, 41 (2017) 62-65; DOI: 10.3221/IGF-ESIS.41.09 64 (a) (b) (c) (d) Figure 3: Cumulative equivalent plastic strain for ΔK=25MPam1/2: (a) α0=0º; (b) α0=15º; (c) α0=30º; (d) α0=45º. -1.556e-004 1.374e+000 2.748e+000 4.121e+000 5.495e+000 6.869e+000 8.243e+000 9.617e+000 1.099e+001 1.236e+001 1.374e+001 J. Toribio et alii, Frattura ed Integrità Strutturale, 41 (2017) 62-65; DOI: 10.3221/IGF-ESIS.41.09 65 0.0 5.0 10-8 1.0 10-7 1.5 10-7 2.0 10-7 2.5 10-7 3.0 10-7 3.5 10-7 0 15 30 45 da /d N ( m /c ic lo ) α 0 (º) Figure 4: Fatigue crack growth rate as a function of the deflection angle of the kink. The stress intensity factor (SIF) range used in the numerical procedure was ΔK=25MPam1/2 (associated with the Paris regime of fatigue crack propagation).
    keywords: crack; doi; fatigue; toribio
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        item: #417 of 1022
          id: fis-1865
      author: PCCC temp
       title: Microsoft Word - numero_41_art_10.doc
        date: 2017-06-12
       words: 3415
      flesch: 51
     summary: Moreover, the complexity of the stress/strain state is further increased by the presence of multiaxial fatigue loadings as those experienced by structural components during in-service operation. In particular, the following remarks can be made: - for uniaxial fatigue loading (that is, pure tension or pure torsion loading, Fig. 1(a)), 71% of fatigue life calculation results are included into the scatter band 3 ; - for multiaxial fatigue loading (that is, combined tension and torsion loading with different values of biaxiality ratio, Fig. 1(b)), 76% of fatigue life calculation results are included into scatter band 3 .
    keywords: control; criterion; doi; fatigue; life; loading; strain; volume
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        item: #418 of 1022
          id: fis-1867
      author: PCCC temp
       title: Microsoft Word - numero_41_art_12.docx
        date: 2017-06-12
       words: 6223
      flesch: 59
     summary: Then, Ellyin suggested a criterion based on the combination of plastic and elastic strain energy [12-13], to deal with multiaxial fatigue loadings. Axisymmetric notched specimens have been tested under combined tension and torsion fatigue loadings, both proportional and non-proportional, taking into account different nominal load ratios (R = -1 and 0).
    keywords: control; energy; fatigue; loading; mode; notch; specimens; stress; tension; torsion
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        item: #419 of 1022
          id: fis-1868
      author: PCCC temp
       title: Microsoft Word - numero_41_art_13.docx
        date: 2017-06-12
       words: 4396
      flesch: 55
     summary: Multiaxial fatigue; Notched fatigue; stress gradient; Process zone; Critical distance; Aplication of PM (TDC) and MWCM for life estimation in multiaxial fatigue
    keywords: curve; distance; fatigue; life; pull; specimens; stress; t7451; tests; torsion
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        item: #420 of 1022
          id: fis-1869
      author: PCCC temp
       title: Microsoft Word - numero_41_art_14.docx
        date: 2017-06-12
       words: 5367
      flesch: 52
     summary: According to them, this hypothesis would be conservative, but it would produce fatigue damage predictions close to those measured experimentally. Partial loss of available life is a simple way to quantify fatigue damage, but it is not the only one.
    keywords: accumulation; crack; damage; effects; fatigue; histories; load; miner; plane; rule; square; strain; stress
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        item: #421 of 1022
          id: fis-1870
      author: PCCC temp
       title: Microsoft Word - numero_41_art_15.docx
        date: 2017-06-13
       words: 4730
      flesch: 54
     summary:   f ' ' fγ 3 Fatigue Ductility Exponent c γc c Modulus E     E G  2 1 Table 2: Correlation between material fatigue parameters. [8] Sahadi, J. V., et al., Comparison of multiaxial fatigue parameters using biaxial tests of Waspaloy.
    keywords: biaxial; fatigue; life; load; parameter; plane; predictions; shear; strain; stress; −1.00
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        item: #422 of 1022
          id: fis-1872
      author: User
       title: Microsoft Word - numero_41_art_17
        date: 2019-05-23
       words: 3034
      flesch: 56
     summary: Citation: Slámečka, K., Pokluda, J., Simple criterion for predicting fatigue life under combined bending and torsion loading, Frattura ed Integrità Strutturale, 41 (2017) 123-128. The constant k0 which describes the relation between bending and torsion loading is obtained as 2 a0 0 2 a0 k    , (2) where a0 and a0 are bending and torsion fatigue strengths corresponding to fatigue life
    keywords: criterion; curve; fatigue; life; loading; log; middle; torsion
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        item: #423 of 1022
          id: fis-1873
      author: PCCC temp
       title: Microsoft Word - numero_41_art_18.docx
        date: 2017-06-13
       words: 6881
      flesch: 61
     summary: Indeed, whereas many defend that fatigue cracks are driven by Keff, others affirm that fatigue crack closure is not even a major issue in FCG. This critical damage model (CDM) assumes that fatigue cracks grow by sequentially breaking small volume elements (VE) adjacent to the crack tip after they reach the critical damage the material can sustain.
    keywords: cdm; crack; damage; data; elements; fatigue; fcg; model; plastic; strain; stress; strip; sym; tip; yield
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        item: #424 of 1022
          id: fis-1874
      author: Politecnico
       title: Shot Peening Processes to obtain Nanocrystalline surfaces in metal alloys:
        date: 2017-06-13
       words: 1624
      flesch: 61
     summary: INTRODUCTION ylindrical samples with annular cracks exhibit numerous advantages when compared to the standard specimens recommended by the ASTM E399 Standard d D amin A B amax F A B θ J. Toribio et alii, Frattura ed Integrità Strutturale, 41 (2017) 139-142; DOI: 10.3221/IGF-ESIS.41.19 142 For non-symmetric cracks, the eccentricity of the resistant ligament makes the SIF vary along the crack front, increasing from point B to point A.
    keywords: bar; crack; doi; eccentricity; sif
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        item: #425 of 1022
          id: fis-1875
      author: PCCC temp
       title: Microsoft Word - numero_41_art_20.docx
        date: 2017-06-13
       words: 3353
      flesch: 58
     summary: It was observed that the evolution of crack tip strain follows the crack opening behaviour behind the crack tip, indicating a smaller influence of overload on micro-mechanical behaviour of fatigue crack growth. In-situ SEM; Overload; Fatigue crack growth; Digital image correlation.
    keywords: closure; crack; crack tip; cycles; fatigue; growth; overload; size; strain; tip
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        item: #426 of 1022
          id: fis-1876
      author: PCCC temp
       title: Microsoft Word - numero_41_art_21.docx
        date: 2017-06-13
       words: 4757
      flesch: 61
     summary: Additionally, it was shown by various authors that there is a relationship between the striation spacing (related to the amplitude of crack tip blunting over a full fatigue cycle) and the crack growth rate [4]. The CTODp was predicted numerically at the first node behind crack tip, at a distance of 8 m from it.
    keywords: crack; crack tip; ctod; effect; fatigue; load; node; plastic; stress; tip
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        item: #427 of 1022
          id: fis-1877
      author: PCCC temp
       title: Microsoft Word - numero_41_art_22.docx
        date: 2017-06-13
       words: 4899
      flesch: 56
     summary: In the current work an experimental study of the crack tip opening displacement (CTOD) is performed to evaluate the ability of this parameter to characterise fatigue crack growth. This work is intended to contribute to a better understanding of the different mechanisms driving fatigue crack growth and the address the outstanding controversy associated with plasticity-induced fatigue crack closure.
    keywords: crack; crack tip; ctod; fatigue; fatigue crack; growth; loading; plastic; tip
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        item: #428 of 1022
          id: fis-1878
      author: PCCC temp
       title: Microsoft Word - numero_41_art_23.docx
        date: 2017-06-13
       words: 5480
      flesch: 58
     summary: Crack tip plastic zone; Fatigue; Crack tip fields; Crack shielding; Stress intensity factor, DIC. Citation: Vasco-Olmo, J.M., Díaz, F.A., James, M.N., Christopher, C.J., Patterson, E.A., Experimental methodology for the quantification of crack tip plastic zone and shape from the analysis of displacement fields, Frattura ed Integrità Strutturale, 41 (2017) 166-174. Received: 28.02.2017 Accepted: 15.04.2017 Published: 01.07.2017 Copyright: Experimentally, determination of the plastically deformed region surrounding a growing fatigue crack has been pursued using a variety of techniques to identify the dimensions of crack tip plastic zones.
    keywords: crack; plastic; stress; tip; zone;  ;  ;  ;  
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        item: #429 of 1022
          id: fis-1879
      author: PCCC temp
       title: Microsoft Word - numero_41_art_24.docx
        date: 2017-06-14
       words: 4284
      flesch: 62
     summary: [6] Ballarini, R., Plesha, M.E., The effects of crack surface friction and roughness on crack tip stress fields, Int. We have introduced a transformation matrix T to express crack displacements at the collocation points in terms of those at the integration points, so that the constitutive law in (13) can be enforced.
    keywords: crack; friction; mode; roughness; stress
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        item: #430 of 1022
          id: fis-1880
      author: HYY
       title: Microsoft Word - numero_41_art_25.docx
        date: 2017-06-13
       words: 4446
      flesch: 54
     summary: Microsoft Word - numero_41_art_25.docx J. Klon et alii, Frattura ed Integrità Strutturale, 41 (2017) 183-190; DOI: 10.3221/IGF-ESIS.41.25 183 Focused on Crack Tip Fields Impact of specific fracture energy investigated in front of the crack tip of three-point bending specimen J. Klon, J. Sobek, L. Malíková Brno University of Technology, Faculty of Civil Engineering, Institute of Structural Mechanics, Brno, Czech Republic klon.j@fce.vutbr.cz, http://orcid.org/0000-0002-9551-2185 sobek.j@fce.vutbr.cz, http://orcid.org/0000-0003-4215-1029 malikova.l@fce.vutbr.cz, http://orcid.org/0000-0001-5868-5717 S. Seitl Academy of Sciences of the Czech Republic, v. v. i., Institute of Physics of Materials, Brno, Czech Republic and Brno University of Technology, Faculty of Civil Engineering, Institute of Structural Mechanics, Brno, Czech Republic seitl@ipm.cz, http://orcid.org/0000-0002-4953-4324 ABSTRACT. Citation: Klon, J., Sobek, J., Malíková, L., Seitl, S., Impact of specific fracture energy investigated in front of the crack tip of three- point bending specimen, Frattura ed Integrità Strutturale, 41 (2017) 183-190.
    keywords: crack; energy; fracture; fracture energy; length; specimen; value
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        item: #431 of 1022
          id: fis-1881
      author: HYY
       title: Microsoft Word - numero_41_art_26.docx
        date: 2017-06-13
       words: 3410
      flesch: 53
     summary: Fatigue cracks were initiated from an artificial defect (100 μm wide x 50 μm deep) introduced in the forging skin by laser machining. The 3D propagation behavior of fatigue cracks growing from shallow artificial defect (i.e. growing mainly within the forged skin of the materials) has been obtained through in situ X-ray synchrotron tomography.
    keywords: crack; fatigue; forging; materials; samples; shape; size; surface
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        item: #432 of 1022
          id: fis-1882
      author: PCCC temp
       title: Microsoft Word - numero_41_art_27.docx
        date: 2017-06-14
       words: 3373
      flesch: 55
     summary: There is an increasing realisation that simple elastic crack models may have limited applicability, particularly when there is significant plastic deformation ahead of the crack and a corresponding plastic wake. CONCLUSIONS his paper has introduced and discussed the CJP model for fatigue crack displacement, strain, and stress fields, and proposed a simplification, which seems to fit more readily with the forces acting between the plastic enclave and the surrounding elastic material.
    keywords: crack; fatigue; fig; force; model; nowell; plastic; stress
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        item: #433 of 1022
          id: fis-1883
      author: HYY
       title: Microsoft Word - numero_41_art_28.docx
        date: 2017-06-13
       words: 4227
      flesch: 56
     summary: INTRODUCTION he experimental characterisation of crack tip fields is normally done using surface techniques such as photo- elasticity [3] Diaz, F.A., Yates, J.R., Patterson, E.A., Some improvements in the analysis of fatigue cracks using thermoelasticity.
    keywords: crack; crespo; data; fatigue; lopez; number; sif; strain; stress; terms; tip
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        item: #434 of 1022
          id: fis-1884
      author: HYY
       title: Microsoft Word - numero_41_art_29.docx
        date: 2017-06-13
       words: 4529
      flesch: 55
     summary: The aim of this paper is quantification of basic mechanical fracture parameters of selected fine-grained cement-based composites – static modulus of elasticity, fracture toughness and fracture energy and investigation of effect of ITZ between cement matrix (MTX) and aggregate (AGG) on stress distribution in cement based composite with crack terminating at the ITZ–MTX interface. Comparison of results and their discussion In the following, the main results obtained for both composites with different ITZ thickness values and elasticity moduli of MTX and ITZ are compared and discussed.
    keywords: aggregate; cement; composites; crack; doi; emtx; fracture; itz; stress; values
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        item: #435 of 1022
          id: fis-1887
      author: HYY
       title: Microsoft Word - numero_41_art_32.docx
        date: 2017-06-13
       words: 5307
      flesch: 59
     summary: However, since like in the LE case short fatigue cracks present higher FCG rates than long cracks in the EP case as well, it is operationally convenient to modify their Jth(a) propagation threshold to consider the effects of the short crack characteristic size a0 when accounting for their peculiar behavior near EP notch tips. al., J-integral applications for short fatigue cracks at notches, Int J Fract, 16 (1980) 15-30.
    keywords: behavior; conditions; crack; eac; fatigue; notch; size; stress; threshold; tip
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        item: #436 of 1022
          id: fis-1888
      author: HYY
       title: Microsoft Word - numero_41_art_33.doc
        date: 2017-06-13
       words: 4332
      flesch: 58
     summary: In the case of mode III cracks, however, the analysis is much more difficult due to the complicated mechanisms of local mode II crack advances or factory roof formation. The present paper addresses the problem of the prediction of effective mode III threshold for the ARMCO iron as a case study of materials with coplanar shear-mode crack propagation.
    keywords: crack; doi; fatigue; growth; iii; loading; materials; mode; mode ii
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        item: #437 of 1022
          id: fis-1889
      author: HYY
       title: Microsoft Word - numero_41_art_34.docx
        date: 2017-06-13
       words: 4464
      flesch: 52
     summary: The definitions for σeff calculated according to Eqs (3) and (4) make it clear that inherent material strength σ0 plays a role of primary importance when the TCD is used to assess static strength of notched components. This paper aims to investigate the accuracy of the Theory of Critical Distances (TCD) in estimating static strength of notched additively manufactured PLA as both notch sharpness and infill angle vary.
    keywords: linear; manufacturing; material; pla; specimens; strength; stress; tcd; theory
       cache: fis-1889.pdf
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        item: #438 of 1022
          id: fis-189
      author: User
       title: Microsoft Word - numero 24 articolo 6
        date: 2013-03-19
       words: 2626
      flesch: 45
     summary:       with j nI  / / n opt j jopt j opt j j j I x x       T http://dx.medra.org/10.3221/IGF-ESIS.24.06&auth=true http://www.gruppofrattura.it E. M. Nurullaev et alii, Frattura ed Integrità Strutturale, 24 (2013) 69-74; DOI: 10.3221/IGF-ESIS.24.06 71 herein , , q d   : vectors of volume fractions, sponginess and particle sizes of fractions of dispersible components as a part of a polymeric material respectively; opt j : optimum volume fractions of fraction an filler in structure; jv : volume fraction v : fraction by j -type an filler in structure; jm : number of j-type fractions of a dispersed component; min max,  : respectively the lower and upper bounds for volume fractions of fractions of solid components in structure; opt jx : optimum for the corresponding block of characteristics, for example, mechanical, mass concentration of firm disperse components in polymeric composition; j : density of disperse components; nI : a set of the indexes belonging to types of a filler, entering into a compounding of a polymeric material.
    keywords: composition; filler; fractions; opt; polymeric; volume
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        item: #439 of 1022
          id: fis-1890
      author: HYY
       title: Microsoft Word - numero_41_art_35.docx
        date: 2017-06-28
       words: 5927
      flesch: 69
     summary:               [13] Ramesh, K., Gupta, S., Kelkar, A.A., Evaluation of stress field parameters in fracture mechanics by photoelasticity- revisited, Engng Fract.
    keywords: cos; sin; stress;  ;  
       cache: fis-1890.pdf
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        item: #440 of 1022
          id: fis-1891
      author: HYY
       title: Microsoft Word - numero_41_art_36.docx
        date: 2017-06-13
       words: 3663
      flesch: 53
     summary: [MPa√m] (3-terms) Kopen/Ktheo (3-terms) 1.70 18.65 7.46 0.4 8.01 0.43 1.83 20.25 7.49 0.37 8.50 0.42 1.95 21.83 7.86 0.36 8.30 0.38 2.17 25.09 9.78 0.39 9.53 0.38 2.58 33.77 13.85 0.41 14.18 0.42 Table 1: SIF measurements by DIC displacement field measurements during crack advance. Citation: Beretta, S.., Patriarca, L., Rabbolini, S., Stress Intensity Factor calculation from displacement fields, Frattura ed Integrità Strutturale, 41 (2017) 269-276.
    keywords: crack; dic; displacement; field; regression; sif; terms; tip
       cache: fis-1891.pdf
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        item: #441 of 1022
          id: fis-1893
      author: HYY
       title: Microsoft Word - numero_41_art_38.docx
        date: 2017-06-13
       words: 4543
      flesch: 57
     summary: The variation of creep stress and the crack-tip governing parameter in the form of creep In-integral with time and the evolution of creep damage were analyzed by using the FE-model. Citation: Shlyannikov, V., Tumanov, A., The effect of creep damage formulation on crack tip fields, creep stress intensity factor and crack growth assessments, Frattura ed Integrità Strutturale, 41 (2017) 285-292.
    keywords: crack; creep; damage; fem; function; stress; time; tip
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        item: #442 of 1022
          id: fis-1894
      author: HYY
       title: Microsoft Word - numero_41_art_39.docx
        date: 2017-06-13
       words: 3385
      flesch: 54
     summary: INTRODUCTION n analysis of propagation of surface cracks is considered in a number of publications [1-5], where the results of the experimental and numerical analysis of a flat semi-elliptical crack growth under cyclic loading are presented. A.S. Chernyatin et alii, Frattura ed Integrità Strutturale, 41 (2017) 293-298; DOI: 10.3221/IGF-ESIS.41.39 297 INTERSECTING CRACKS IN PIPELINE WITH RESIDUAL STRESS racture mechanics parameters for intersecting surface cracks in the weld joint of pipeline are analyzed bellow.
    keywords: configuration; crack; effect; fatigue; loading; sif; stress; stresses; surface
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        item: #443 of 1022
          id: fis-1895
      author: HYY
       title: Microsoft Word - numero_41_art_40.docx
        date: 2017-06-13
       words: 4636
      flesch: 60
     summary: Originally conceived and applied as a point-related quantity, recently Q has been averaged at the tip of propagating fatigue cracks (the Q* parameter) in order to correlate crack growth data gathered from fracture mechanics tests. In a previous paper it was demonstrated that the specific energy per cycle dissipated as heat is approximately equal to the plastic strain hysteresis energy, which drives fatigue crack propagation according to ref.
    keywords: crack; energy; fatigue; fig; heat; specimens; temperature; volume
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        item: #444 of 1022
          id: fis-1897
      author: HYY
       title: Microsoft Word - numero_41_art_42.docx
        date: 2017-06-13
       words: 5189
      flesch: 63
     summary: Moreover, the use of 3D DIC allows the measurement of out-of-plane and consequently determinations of mode III crack openings and associated KIII values. In the experimental investigation, the region of fatigue crack growth was observed by applying the digital image correlation technique.
    keywords: crack; cycle; doi; equivalent; fatigue; loading; mode; δki
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        item: #445 of 1022
          id: fis-1898
      author: PCCC temp
       title: Microsoft Word - numero_41_art_43.docx
        date: 2017-06-13
       words: 4762
      flesch: 56
     summary: S. Seitl et alii, Frattura ed Integrità Strutturale, 41 (2017) 323-331; DOI: 10.3221/IGF-ESIS.41.43 324 INTRODUCTION haracterization of crack tip stresses has been an area of active research for many decades; see short state-of-art in [1, 2] presenting an over-deterministic least squares technique to evaluate the mixed-mode multi-parameter stress field by photo- elasticity underlining the fact that the use of a multi-parametric representation is not just for academic curiosity but a necessity in some cases of engineering interest. N = 1 N = 2 a) Knésl & Bednář [5] b) experiment + ODM Figure 2: σ1 crack tip stress approximation considering one and two initial terms of the Williams expansion on specimen denoted as YX9 a6_im16 (P = 3.706 kN, a = 22 mm): a) stress values calculated from the coefficients determined theoretically
    keywords: coefficients; crack; lopez; n n; specimen; stress; tip; values; williams
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        item: #446 of 1022
          id: fis-1899
      author: PCCC temp
       title: Microsoft Word - numero_41_art_44.docx
        date: 2017-06-13
       words: 3882
      flesch: 51
     summary: CONCLUSIONS he lowest critical crack size was found for the base material presenting circumferential orientation crack. For the mechanical properties found in tensile tests and using the PICEP software, were determined the leak rate curves versus crack sizes, to determine the size of a detectable leakage crack, and the critical crack sizes, considering failure by plastic collapse.
    keywords: analysis; crack; leakage; material; pipe; size; tensile; weld; zones
       cache: fis-1899.pdf
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        item: #447 of 1022
          id: fis-19
      author: None
       title: None
        date: 2008-03-15
       words: 3
      flesch: -303
     summary: http://www.gruppofrattura.it http://www.gruppofrattura.it http://dx.medra.org/10.3221/IGF-ESIS.04.01&auth=true
    keywords: http://www.gruppofrattura.it
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        item: #448 of 1022
          id: fis-190
      author: User
       title: Microsoft Word - numero 24 articolo 7
        date: 2013-03-19
       words: 3078
      flesch: 46
     summary: DETERMINING THE REPRESENTATIVE VOLUME OF THE MICROSCALE AND THE MACROSCALE EFFECTIVE RESPONSE FUNCTION t the microscale of the proposed model, the representative volume is determined by analyzing the convergence of elastic and strength characteristics of porous model specimens with an increase in their dimension. CONCLUSIONS multiscale approach to numerical simulation of porous materials is developed on the basis of movable cellular automaton method.
    keywords: fracture; loading; material; model; size; specimens
       cache: fis-190.pdf
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        item: #449 of 1022
          id: fis-1900
      author: Politecnico
       title: Shot Peening Processes to obtain Nanocrystalline surfaces in metal alloys:
        date: 2017-06-13
       words: 4894
      flesch: 46
     summary: Shot Peening Processes to obtain Nanocrystalline surfaces in metal alloys: Y. Yang et alii, Frattura ed Integrità Strutturale, 41 (2017) 339-349; DOI: 10.3221/IGF-ESIS.41.45 339 Research on differences and correlation between tensile, compression and flexural moduli of cement stabilized macadam Yi Yang School of Traffic and Transportation, Changsha University of Science & Technology, Hunan 410004, China; Modern Investment Co., Ltd., Hunan 410004, China 114949297@qq.com Jianlong Zheng School of Traffic and Transportation, Changsha University of Science & Technology, Hunan 410004, China zjl@csust.edu.cn Songtao Lv School of Traffic and Transportation, Changsha University of Science & Technology, Hunan 410004, China lstcs@126.com ABSTRACT. By using the materials testing system, we test three moduli of the cement stabilized macadam under different loading rates, propose a flexural modulus calculation formula which considers the shearing effect, reveal the change rules of the tensile, compression and flexural moduli with the loading rate and establish the conversion relationships between the three moduli.
    keywords: cement; compression; loading; moduli; modulus; shear; specimen; strain; tensile; test
       cache: fis-1900.pdf
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        item: #450 of 1022
          id: fis-1901
      author: PCCC temp
       title: Microsoft Word - numero_41_art_46.docx
        date: 2017-06-13
       words: 3257
      flesch: 52
     summary: It is worth to note that, being the structure six times hyper- static, at collapse the number of plastic hinges is seven. Under the hypothesis that the last plastic hinge finds at node C (Fig. 3), the rotations of plastic hinges are now summed to the rotations obtained through the impressed articulated motion (Fig. 4).
    keywords: collapse; hinge; plastic; plastic hinge; rotations; verses
       cache: fis-1901.pdf
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        item: #451 of 1022
          id: fis-1902
      author: PCCC temp
       title: Microsoft Word - numero_41_art_47.docx
        date: 2017-06-13
       words: 6146
      flesch: 50
     summary: It also can be seen from the figures that the plastic zone of surrounding rock supported by shotcrete added with new liquid accelerator is obviously smaller than that of surrounding rock supported by shotcrete added with the traditional accelerator. Liquid accelerator; Shotcrete; Primary support; Stress release of surrounding rock; Numerical simulation.
    keywords: accelerator; cement; dosage; liquid; liquid accelerator; ratio; rock; setting; shotcrete; strength; support; time; water
       cache: fis-1902.pdf
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        item: #452 of 1022
          id: fis-1903
      author: PCCC temp
       title: Microsoft Word - numero_41_art_48.docx
        date: 2017-06-13
       words: 4861
      flesch: 45
     summary:  Mcch , where  is polymer density, Mc – average internodal molecular weight of the polymer binder; φr =1- φsw – polymer volume fraction in the composite binder, sw – plasticizer volume fraction in the binder; R – universal gas constant; T∞ – equilibrium temperature, at which concentration of “physical” (intermolecular) bonds (νph) is negligible; Tg – glass transition temperature of the polymer binder; T – sample test temperature (of numerical experiment);    1 a – velocity shift coefficient,    1 a = 1 at standard relative extension rate    1, c accepted for science and industry; φ – filler volume fraction; φm – maximum filler volume fraction, depending on fractional composition, particle shape and physicochemical interaction on the filler – binder interface.   , , ch r m – vectors of cross-linking mole concentration, polymer volume fraction in the binder and effective extent of volume filling, respectively; φsw– plasticizer volume fraction, coherent with polymer volume fraction (φm) as ratio   ( ) 1r sw ;
    keywords: binder; composite; filler; fraction; fracture; plasticizer; polymer; silica; temperature; volume
       cache: fis-1903.pdf
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        item: #453 of 1022
          id: fis-1904
      author: PCCC temp
       title: Microsoft Word - numero_41_art_49.docx
        date: 2017-06-13
       words: 4041
      flesch: 57
     summary: Steel structure; Residual stress; Material grade; Width-thickness ratio; principle of blind hole drilling; I-shaped members. Many Chinese scholars have probed into the effect of width-thickness ratio and residual stress on member behavior.
    keywords: distribution; doi; members; ratio; section; specimens; stress; thickness; web; width
       cache: fis-1904.pdf
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        item: #454 of 1022
          id: fis-1905
      author: PCCC temp
       title: Microsoft Word - numero_41_art_50.docx
        date: 2017-06-13
       words: 3971
      flesch: 48
     summary: The results demonstrated that, the addition of carbon nano-tubes could significantly relieve the mechanical properties of cement based composite materials. When the mixing amount of carbon nano-tubes reached the optimal value, i.e., 0.1%, the improvement of the mechanical property of the carbon nano-tubes cement based composite materials was the best.
    keywords: carbon; carbon nano; cement; compressive; materials; nano; properties; strength; test; tubes
       cache: fis-1905.pdf
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        item: #455 of 1022
          id: fis-1906
      author: PCCC temp
       title: Microsoft Word - numero_41_art_51.docx
        date: 2017-06-13
       words: 9430
      flesch: 56
     summary: In accordance to similar conclusions for isotropic discs [15, 16], it is also here concluded that the influence of angle ωo on the displacement (and therefore on the strain- and stress-fields) is definitely negligible at the disc center. THE DISPLACEMENT FIELD IN A TRANSVERSELY ISOTROPIC DISC UNDER DIAMETRAL COMPRESSION circular disc of radius R and thickness d, made of a transversely isotropic material (or for brevity “transtropic” material, a term quoted in [18]) is in equilibrium, in the absence of any kind of friction, between two curved jaws, compressed against each other by a force Pframe (Fig.1).
    keywords: anisotropy; disc; isotropic; loading; markides; materials; sin; transtropic;  
       cache: fis-1906.pdf
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        item: #456 of 1022
          id: fis-1907
      author: Politecnico
       title: Shot Peening Processes to obtain Nanocrystalline surfaces in metal alloys:
        date: 2017-06-14
       words: 5695
      flesch: 53
     summary: In this test, three groups of concrete test piles are made and three identical concrete piles are made in for each set group. It can be seen from the figure that the theoretical strength of the second and third groups of test piles is supposed to be 97.5% of the theoretical strength of the first group.
    keywords: concrete; fiber; group; heat; material; pile; steel fiber; strength; test
       cache: fis-1907.pdf
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        item: #457 of 1022
          id: fis-1908
      author: HYY
       title: Microsoft Word - numero_41_art_53.docx
        date: 2017-06-14
       words: 5468
      flesch: 62
     summary: [9] Kawakami, H., Notch sensitivity of graphite materials for VHTR, Trans. THE FRACTURE CRITERION ith the aim to assess the fracture load in notched graphite components, an appropriate fracture criterion is required which has to be based on the mechanical behaviour of material around the notch tip.
    keywords: berto; doi; fracture; graphite; loading; mode; notch; specimens
       cache: fis-1908.pdf
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        item: #458 of 1022
          id: fis-1909
      author: HYY
       title: Microsoft Word - numero_41_art_54.docx
        date: 2017-06-14
       words: 3848
      flesch: 55
     summary: Hot dip galvanized steel bolted joints has been tested under fatigue loading to evaluate the effect of galvanizing coating on the fatigue strength of S355 structural steel. S.M.J. Razavi et alii, Frattura ed Integrità Strutturale, 41 (2017) 432-439; DOI: 10.3221/IGF-ESIS.41.54 437 Figure 7: S-N-curves of hot dip galvanized connections.
    keywords: connections; data; dip; doi; fatigue; fig; joints; razavi; s.m.j; specimens; steel
       cache: fis-1909.pdf
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        item: #459 of 1022
          id: fis-191
      author: User
       title: Microsoft Word - numero 24 articolo 9
        date: 2013-03-19
       words: 2916
      flesch: 48
     summary: In this paper is carried out the comparative analysis of effectiveness of test methods of determination of stiffness and strength properties of highly filled unidirectional fiberglass (Direct E roving 0.7 - orthophthalic polyester resin 0.3) via tensile testing along the reinforcement and three-point bending testing at several bases. Composite materials; Highly filled fiberglass; Test methods; Deformation and failure; High and low temperature.
    keywords: bending; fiberglass; polyester; specimen; strength; tensile; test
       cache: fis-191.pdf
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        item: #460 of 1022
          id: fis-1910
      author: HYY
       title: Microsoft Word - numero_41_art_55.docx
        date: 2017-06-14
       words: 3925
      flesch: 58
     summary: [21] revealed that there are different thresholds for the initiation of crack growth, crack arrest and specimen failure under multiaxial fatigue loading. Microsoft Word - numero_41_art_55.docx S.M.J. Razavi et alii, Frattura ed Integrità Strutturale, 41 (2017) 440-446; DOI: 10.3221/IGF-ESIS.41.55 440 40CrMoV13.9 notched specimens under multiaxial fatigue: an overview of recent results S.M.J. Razavi, M. Peron, J. Torgersen, F. Berto, T. Welo Department of Mechanical and Industrial Engineering, Norwegian University of Science and Technology (NTNU), Norway javad.razavi@ntnu.no, mirco.peron@ntnu.no, jan.torgersen@ntnu.no, filippo.berto@ntnu.no ABSTRACT.
    keywords: crack; fatigue; loading; mode; razavi; specimens; torsion
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        item: #461 of 1022
          id: fis-1911
      author: HYY
       title: Microsoft Word - numero_41_art_56.docx
        date: 2017-06-14
       words: 6569
      flesch: 63
     summary: From a micrographic analysis conducted on a large amount of welded rollers c has been found to vary in the range between 0.6 and 1.0 mm. [18] Radaj, D., Berto, F., Lazzarin, P., Local fatigue strength parameters for welded joints based on strain energy density with inclusion of small-size notches, Eng.
    keywords: bearing; energy; fatigue; joints; mode; rollers; root; strain; stress
       cache: fis-1911.pdf
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        item: #462 of 1022
          id: fis-1912
      author: HYY
       title: Microsoft Word - numero_41_art_57.docx
        date: 2017-06-14
       words: 5129
      flesch: 65
     summary: The last step consists in the definition of the plastic zone correction factor Cp, which is according to Glinka [20] but introducing the Lazzarin-Tovo equations:                 1 1 1 1 1 1 1 1 1 1 0 1 1 1 1 0 0 0 0 1 1 1 1 1 0 1 1 1 0 0 0 1 Δ 1 1 1 1 1 3 1 1 1 3 p p p p p p p p p p p p r r r r r C r r r r r r r r r r r r r r r                                                     
    keywords: creep; notch; notches; strain; stress;  
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        item: #463 of 1022
          id: fis-1913
      author: HYY
       title: Microsoft Word - numero_41_art_58.docx
        date: 2017-06-14
       words: 7083
      flesch: 68
     summary: [23] Radaj, D., Zhang, S., On the relations between notch stress and crack stress intensity in plane shear and mixed mode loading. The basic idea of the FNR concept is to determine the fatigue-effective averaged notch stress directly (i.e. A F. Berto, Frattura ed Integrità Strutturale, 41 (2017) 464-474; DOI: 10.3221/IGF-ESIS.41.58 465 without actual notch stress averaging) by performing the notch stress analysis with a fictitiously enlarged notch radius f given by  f = + s * (1)
    keywords: factor; loading; mode; notch; notches; stress
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        item: #464 of 1022
          id: fis-1914
      author: HYY
       title: Microsoft Word - numero_41_art_59.docx
        date: 2017-06-14
       words: 5126
      flesch: 61
     summary: Figure 1: Notation for crack tip stress field. Assuming that Poisson’s ratio, v > 0, then kinematics considerations for an antisymmetric loading [1-2] show that modes II and III crack tip surface displacements cannot exist in isolation.
    keywords: corner; crack; kiii; mode; plate; point; stress; surface
       cache: fis-1914.pdf
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        item: #465 of 1022
          id: fis-1916
      author: PCCC temp
       title: Microsoft Word - numero_41_art_61.docx
        date: 2017-06-15
       words: 6739
      flesch: 64
     summary: Finally, by substituting of *0Lu , * 0Uu and (8) in (7), one derives         21 1 10 1 21 1 221 1 3 1 1 m m mu u u u u B b B b B brm G b m m m h m                       12 2 1 12 11 2 1 22 2 1 2 1 nm m m mu u u u u u zB br m mh                  3 3 2 2 12 1 1 2 1 22 21 3 2 f q f q f q f qu u u u u u u u nq q q qu u u u u u u u u zB bq f q f qh                The J-integral final solution is found by substituting of 1 J and 2J in (25)         2 21 1 10 1 1 21 1 22 2 4 1 1 1 1 m m mu u u u u B y B B rm J m m b m h m                       12 2 1 12 11 2 1 22 2 1 2 1 nm m m mu u u u u u zB r m mh                  3 3 2 2 12 1 1 2 1 22 21 3 2 f q f q f q f qu u u u u u u u nq q q qu u u u u u u u u zB q f q f qh  
    keywords: b b; beam; q u; u b; u u
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        item: #466 of 1022
          id: fis-1918
      author: PCCC temp
       title: Microsoft Word - numero_41_art_63.docx
        date: 2017-06-15
       words: 6657
      flesch: 52
     summary: Citation: Funari, M. F., Greco, F., Lonetti, P., Dynamic debonding in layered structures: a coupled ALE-cohesive approach, Frattura ed Integrità Strutturale, 41 (2017) 524-535. [13] Bruno, D., Greco, F., Lonetti, P., A fracture-ALE formulation to predict dynamic debonding in FRP strengthened concrete beams.
    keywords: adhesive; crack; debonding; doi; frp; interface; mesh; model
       cache: fis-1918.pdf
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        item: #467 of 1022
          id: fis-192
      author: User
       title: Microsoft Word - numero 24 articolo 10
        date: 2013-03-19
       words: 2774
      flesch: 46
     summary: It is confirmed in uniaxial tension tests with unloading on postcritical deformation stage. Strain in the test part of specimen in uniaxial tension tests was registered by Instron 2620-601 extensometer, and in proportional tension-torsion tests it was registered by Epsilon 3550-010М biaxial extensometer.
    keywords: deformation; softening; specimen; stiffness; strain; tension; test; torsion
       cache: fis-192.pdf
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        item: #468 of 1022
          id: fis-1923
      author: PCCC temp
       title: Microsoft Word - numero_42_art_3.doc
        date: 2017-08-09
       words: 3785
      flesch: 59
     summary: Fatigue crack growth; Load ratio; Notch; Bending with torsion. The aim of the paper is to describe fatigue cracks growth in specimens with rectangular cross-section made of the AW- 2017A-T4 aluminium alloy under bending with torsion.
    keywords: bending; crack; fatigue; fig; growth; ratio; torsion
       cache: fis-1923.pdf
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        item: #469 of 1022
          id: fis-1924
      author: PCCC temp
       title: Microsoft Word - numero_42_art_4.docx
        date: 2017-08-09
       words: 4972
      flesch: 61
     summary: If the hysteresis loop is moving along strain axis for the load with increased mean load values (Fig. 4a) in the case of decreasing mean load value it is observed, that after first sequence with higher mean load value some hardening effect occurs, – Garud-Mroz and Chu cyclic plasticity models gives very similar results of calculations of stress amplitude and mean stress value for both analyzed cases of the load path (Fig. 11 and Fig.12), – proposed model is more sensitive for mean value in the block loads in the case of increased mean load value for following sequences in the block comparing to the cyclic plasticity models (Fig. 11), where for second case of loads similar results for all of three analyzed models were obtained (Fig. 12). The paper presents results of calculation for modelling of the stress- strain relationship in the case of block loads with mean load value.
    keywords: amplitude; block; fatigue; fig; hysteresis; load; mean; strain; stress; value
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        item: #470 of 1022
          id: fis-1926
      author: PCCC temp
       title: Microsoft Word - numero_42_art_6.docx
        date: 2017-09-15
       words: 5965
      flesch: 59
     summary: [7] Bogdański, S., Olzak, M.. Stupnicki, J., Influence of liquid interaction on propagation of rail contact fatigue cracks, Proc. of the 2nd Mini Conference on Contact Mechanics and Wear of Rail/Wheel Systems, Budapest, (1996) 134- 143. INTRODUCTION he research presented in the paper is part of more comprehensive investigations aimed at understanding the propagation mechanisms of rolling contact fatigue cracks in railway rails.
    keywords: contact; crack; crack mouth; cylinder; faces; liquid; model; pressure; value; wheel
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        item: #471 of 1022
          id: fis-1927
      author: PCCC temp
       title: Microsoft Word - numero_42_art_7.docx
        date: 2017-09-15
       words: 5264
      flesch: 56
     summary: [1] and [8] for compressive strength, [9] for flexural strength of test specimens, tensile splitting strength Testing hardened concrete – Part 6: Tensile splitting strength of test specimens, AENOR n.d.
    keywords: concrete; crack; doi; fracture; nsc; specimen; strength; stress; test; values
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        item: #472 of 1022
          id: fis-1928
      author: PCCC temp
       title: Microsoft Word - numero_42_art_8.docx
        date: 2017-09-15
       words: 4420
      flesch: 56
     summary: In [5, 6] the effect of first non-singular stress term on stress distribution in case of sharp V-notch is studied. [7] Ayatollahi, M.R., Mirsayar, M.M., Nejati, M., Evaluation of first non-singular stress term in bi-material notches, Computational Materials Science, 50 (2010) 752-760.
    keywords: crack; fracture; inclusion; interface; material; matrix; singular; stress; terms
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        item: #473 of 1022
          id: fis-193
      author: User
       title: Microsoft Word - numero 24 articolo 11
        date: 2013-03-19
       words: 5003
      flesch: 56
     summary: Shock waves; Fracture; Powder. INTRODUCTION ethods of explosive loading of powder materials in conservation ampoules are applied in order to obtain new materials including composite ones with the unique physical and mechanical properties. Joint theoretical and experimental investigations have allowed to realize an approach with use of mathematical and physical modeling of processes of a shock wave loading of powder materials.
    keywords: detonation; explosive; fig; pressure; sample; shock; velocity
       cache: fis-193.pdf
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        item: #474 of 1022
          id: fis-1931
      author: PCCC temp
       title: Microsoft Word - numero_42_art_9.docx
        date: 2017-09-15
       words: 5526
      flesch: 56
     summary: The numerical solution, for the residual stresses, is adopted in the crack propagation prediction using Huffman fatigue crack propagation model [1]. Fatigue crack growth (FCG) rates have traditionally been formulated from fracture mechanics, whereas fatigue crack initiation has been empirically described using stress-life or strain-life methods.
    keywords: crack; crack growth; data; fatigue; fatigue crack; growth; huffman; life; model; propagation; steel; strain; stress
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        item: #475 of 1022
          id: fis-1932
      author: PCCC temp
       title: Microsoft Word - numero_42_art_10.docx
        date: 2017-09-15
       words: 3267
      flesch: 44
     summary: Figure 2: Interface zone location Stresses calculated on the basis of mechanical properties of each section can be used in finite element method or in characterization of fatigue properties. Non uniform properties of welded materials cause that description of material behavior in case of bimetal is more complicated.
    keywords: fatigue; interface; kowalski; materials; properties; steel; titanium; welding
       cache: fis-1932.pdf
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        item: #476 of 1022
          id: fis-1934
      author: PCCC temp
       title: Microsoft Word - numero_42_art_12.docx
        date: 2017-09-15
       words: 6646
      flesch: 55
     summary: Estimation of the elementary material block size, ρ*, using fatigue crack propagation data from fatigue crack propagation tests as for example using CT specimens, following the procedure by Noroozi et al. The value of the elementary material block size, ρ*=12×10-4m, was estimated in the reference [9], using fatigue crack propagation data from CT specimens.
    keywords: crack; data; eiffel; fatigue; fatigue crack; field; material; model; probabilistic; propagation; stress; swt
       cache: fis-1934.pdf
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        item: #477 of 1022
          id: fis-1935
      author: PCCC temp
       title: Microsoft Word - numero_42_art_13.docx
        date: 2017-09-15
       words: 3778
      flesch: 54
     summary: The cost of reshaping cylinder into rectangular is expensive and not very efficient, therefore it is very effective to use Brazilian disc test specimen with central notch to obtain mixed mode fracture parameters. The contribution deals with numerical support for Brazilian disc test to obtain calibration curves for mode I and mode II, evaluation of experimental results and compare them with data adapted from literature.
    keywords: brazilian; concrete; disc; doi; fracture; mode; seitl; specimen; test
       cache: fis-1935.pdf
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        item: #478 of 1022
          id: fis-1936
      author: PCCC temp
       title: Microsoft Word - numero_42_art_14.docx
        date: 2017-09-15
       words: 3701
      flesch: 56
     summary: For counting with decimal numbers, it is necessary to use a data structure with a floating point; it gives maximally 15 decimal numbers plus an exponent in 64 bit data architecture or only 6 decimal numbers in 32 bit data architecture. One of the methods how to increase the count of decimal numbers is to convert the original number to a string of characters and then to carry out calculating with strings in specially programmed procedures.
    keywords: crack; fracture; numbers; stress; terms; tip;  
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        item: #479 of 1022
          id: fis-1937
      author: PCCC temp
       title: Microsoft Word - numero_42_art_15.docx
        date: 2017-09-15
       words: 5388
      flesch: 58
     summary: In this perspective, the knowledge about design fatigue crack growth curves for materials from ancient Portuguese steel bridges is extremely appropriate [1]. In this sense, design fatigue crack growth curves are extremely important to establish and maintain the safety levels of the structural details and consequently of the structures.
    keywords: analysis; bridges; correia; crack; curve; data; fatigue; fcg; growth; materials; mean
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        item: #480 of 1022
          id: fis-194
      author: User
       title: Microsoft Word - numero 24 articolo 12
        date: 2013-03-19
       words: 3831
      flesch: 56
     summary: Such substitution effect of material strength at different strain rates is studied in this paper. It is shown that load-carrying capacity of materials and the substitution effect of material strength in a wide range of loading rates can be predicted by the incubation time criterion.
    keywords: concrete; fracture; incubation; loading; material; rate; strength; stress; time
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        item: #481 of 1022
          id: fis-1941
      author: PCCC temp
       title: Microsoft Word - numero_42_art_19.docx
        date: 2017-09-15
       words: 5269
      flesch: 62
     summary: Finite Fracture Mechanics: Leguillon et al. formulation By using Leguillon et al. criterion, it is thought that at failure an incremental crack of length lc initiates at the tip of the notch. Leguillon et al. criterion requires that conditions (7a) and (7b) must be simultaneously satisfied.
    keywords: criterion; fracture; loading; mode; notch
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        item: #482 of 1022
          id: fis-1942
      author: PCCC temp
       title: Microsoft Word - numero_42_art_20.docx
        date: 2017-09-15
       words: 4135
      flesch: 58
     summary: ASYMPTOTIC RESIDUAL STRESS FIELD efore any model is developed which quantify the influence of residual stresses on fatigue strength of pre-stressed notched components, the distribution of residual stress near a ‘geometric singularity’ has to be first studied. The fatigue behavior of V-notches in presence of residual stresses: recent developments and future outcomes P. Ferro Department of Engineering and Management, University of Padova, Stradella S. Nicola 3, 36100, Vicenza (Italy) ferro@gest.unipd.it M. Peron, S.M.J. Razavi, F. Berto, J. Torgersen Department of Mechanical and Industrial Engineering, Norwegian University of Science and Technology (NTNU), Richard Birkelands vei 2b, 7491, Trondheim, Norway. mirco.peron@ntnu.no, javad.razavi@ntnu.no, filippo.berto@ntnu.no, jan.torgersen@ntnu.no ABSTRACT.
    keywords: fatigue; ferro; field; notch; phase; strength; stress; stresses
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        item: #483 of 1022
          id: fis-1943
      author: PCCC temp
       title: Microsoft Word - numero_42_art_21.docx
        date: 2017-09-15
       words: 5769
      flesch: 65
     summary: New method 0.671 0.856 2.29 -6.04 0.658 0.901 0.30 -1.10 0.001 New modified method 0.658 0.905 0.30 -0.66 Table 1: Comparison between approximate methods for NSIFs evaluation of diamond-shaped notch (2α = 45°). New method 0.675 0.779 3.21 -4.18 0.659 0.807 0.76 -0.74 0.001 New modified method 0.658 0.809 0.31 -0.49 Table 2: Comparison between approximate methods for NSIFs evaluation of diamond-shaped notch (2α = 30°).
    keywords: lazzarin; method; mode; notch
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        item: #484 of 1022
          id: fis-1944
      author: PCCC temp
       title: Microsoft Word - numero_42_art_22.docx
        date: 2017-09-15
       words: 4920
      flesch: 61
     summary: (4), R0 = 0.28 mm is obtained as the radius of the control volume at the weld toe for steel welded joints. Whilst tensile properties are not greatly affect, except for the yield stress, fatigue strength is reported to be reduced when the coating thickness exceed a threshold value [3], calculated employing the Kitagawa–Takahashi diagram.
    keywords: dip; energy; fatigue; joints; sed; steel; strain; strength; stress
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        item: #485 of 1022
          id: fis-1945
      author: PCCC temp
       title: Microsoft Word - numero_42_art_23.docx
        date: 2017-09-15
       words: 5071
      flesch: 57
     summary: [24] Lazzarin, P., Livieri, P., Berto, F. and Zappalorto, M., Local strain energy density and fatigue strength of welded joints under uniaxial and multiaxial loading, Eng. The new values of Wc are listed in Table 5: the errors using these values of critical energy density are presented in Fig. 4; except Necuron 301, the scatter band is contained between ± 15 %.
    keywords: brittle; density; energy; fracture; materials; mode; notch; notches; sed; specimens; strain
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        item: #486 of 1022
          id: fis-1946
      author: PCCC temp
       title: Microsoft Word - numero_42_art_24.docx
        date: 2017-09-15
       words: 5027
      flesch: 60
     summary: Since these smart materials are subjected to both mechanical loads and magnetic field during their industrial applications, an extensive characterization on the influence of a magnetic field and of defects on their fracture behavior is needed. Failure loads have been measured at different loading rates and under magnetic fields of various intensities.
    keywords: energy; field; fracture; loading; rate; s s; strain;  
       cache: fis-1946.pdf
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        item: #487 of 1022
          id: fis-1947
      author: PCCC temp
       title: Microsoft Word - numero_42_art_25.docx
        date: 2017-09-15
       words: 5208
      flesch: 46
     summary: The classifier C2 has the aim of determining the class membership of images of Type II and III; when applied to an image of Type I, for example if the classifier C1 has provided an erroneous classification, in more than 91% the C2 classifier assigns the specimen of Type I to the class of Type II images. Only few attempts have been made to automatize the classification of microstructural image data [8].
    keywords: classification; classifier; data; features; iii; images; procedure; set; specimens; type
       cache: fis-1947.pdf
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        item: #488 of 1022
          id: fis-1948
      author: PCCC temp
       title: Microsoft Word - numero_42_art_26.docx
        date: 2017-09-15
       words: 4671
      flesch: 50
     summary: Through above results, which verify the increase in concrete mix strength after adding MWCNTs, these MWCNTs may be incorporated in the treatment of Nano/micro cracks completed through process of connecting, branching and pinning. The mix proportions of concrete containing MWCNTs are reported in Tab. 3. Designation Cement (kg/m3)
    keywords: carbon; cement; composites; concrete; doi:10.1016; mater; mix; mwcnts; nano; performance; properties; strength
       cache: fis-1948.pdf
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        item: #489 of 1022
          id: fis-195
      author: User
       title: Microsoft Word - numero 24 articolo 13
        date: 2013-03-19
       words: 3840
      flesch: 54
     summary: G. Matvienko, Frattura ed Integrità Strutturale, 24 (2013) 119-126; DOI: 10.3221/IGF-ESIS.24.13 119 Special Issue: Russian Fracture Mechanics School The failure criterion based on hydrogen distribution ahead of the fatigue crack tip Yu. The experimental results also revealed that hydrogen distribution in the vicinity of the fatigue crack tip is related to the stress-strain fields surrounding the crack tip
    keywords: concentration; crack; crack tip; distribution; factor; fatigue crack; fracture; hydrogen; intensity; stress
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        item: #490 of 1022
          id: fis-1950
      author: Politecnico
       title: Shot Peening Processes to obtain Nanocrystalline surfaces in metal alloys:
        date: 2017-09-15
       words: 4291
      flesch: 42
     summary: Working principle of hydraulic hammers with horizontal oriented slider While drilling a horizontal directional well with a hydraulic DTH hammer, the operation principle of the hydraulic hammer with horizontal oriented sliders is shown as Fig 2. Figure 2: Schematic diagram of a hydraulic hammer with the horizontal anvil. The formula of abrasion theory is feasible to the wear of horizontal oriented sliders, thus the friction coefficient, applied load and the moving velocity of oriented slider were employed as the variables while in the simulation of abrasion property of the anvil with horizontal oriented slider.
    keywords: abrasion; anvil; drilling; dth; hammer; hydraulic; life; sliders
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        item: #491 of 1022
          id: fis-1952
      author: PCCC temp
       title: Microsoft Word - numero_42_art_31.docx
        date: 2017-09-15
       words: 5997
      flesch: 56
     summary: Development of localized plastic deformation at the pre-fracture stage n <0.5 Fig. 4 shows localized deformation versus time for all test alloys. In terms of self-organization, there is the autowave collapse of localized plastic deformation [21].
    keywords: deformation; flow; fracture; localization; materials; plastic; plasticity; pre; stage; steel; strain; time; velocity
       cache: fis-1952.pdf
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        item: #492 of 1022
          id: fis-1954
      author: PCCC temp
       title: Microsoft Word - numero_42_art_33.docx
        date: 2017-09-15
       words: 6573
      flesch: 49
     summary: The procedure for the identification of damage model parameters is presented. Once determined, damage model parameters allow building the limit strain diagram (LSD) to predict strain capacity as a function of stress triaxiality.
    keywords: bonora; crack; damage; design; element; failure; fracture; load; material; mechanics; model; parameters; plastic; strain; stress; testa; triaxiality
       cache: fis-1954.pdf
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        item: #493 of 1022
          id: fis-1957
      author: PCCC temp
       title: Microsoft Word - numero_42_art_36.docx
        date: 2017-09-15
       words: 6277
      flesch: 57
     summary: Even for specimen tested in lead, morphological features of fracture surface was analyzed by Scanning Electron Microscopy (Fig. 15), but a chemical polishing was necessary to differentiate steel surface fracture from eventual lead residues and to reveal the fracture mode. The shape of creep curve is consistent with the expectations: after long time (more than 1000h), at 300 and 400 MPa, the strain curves didn’t reach the tertiary creep stage, still remaining in the secondary creep phase; at 500 MPa, although is still ongoing, the creep curve clearly shows a defined primary and secondary stages.
    keywords: air; creep; fig; fracture; lead; mode; mpa; specimen; steel; strain; stress; time
       cache: fis-1957.pdf
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        item: #494 of 1022
          id: fis-1958
      author: PCCC temp
       title: Microsoft Word - numero_42_art_30.docx
        date: 2017-09-15
       words: 6081
      flesch: 80
     summary:                            1 10 0 1 1 0 1 1 0 ( ) ( ) 0; , ( )k kkl ikl l
    keywords: u u; x y; y y;  
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        item: #495 of 1022
          id: fis-196
      author: User
       title: Microsoft Word - numero 24 articolo 14
        date: 2013-03-19
       words: 5238
      flesch: 53
     summary: Studying the laws of brittle and quasibrittle failure of composite ceramic materials with the usage of the developed model of quasibrittle medium it was shown that failure process always educes in two stages - slow steady accumulation of inelastic deformations and damages in all hierarchy of structurally-scale levels as the quasistationary phase is replaced by the blow-up regime – the superfast catastrophic phase of evolution of system when the failure process reaches the macrolevel. the preparatory process of accumulation of inelastic deformations and damages in brittle media is localized in certain areas.
    keywords: composite; content; evolution; failure; loading; makarov; particles; process; regime; state; strength
       cache: fis-196.pdf
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        item: #496 of 1022
          id: fis-1962
      author: Politecnico
       title: Shot Peening Processes to obtain Nanocrystalline surfaces in metal alloys:
        date: 2017-11-02
       words: 4783
      flesch: 54
     summary: REFERENCES [1] Zhang, J., Li., V. C., Effect of inclination angle on fiber rupture load in fiber reinforced cementitious composites, Composites Science & Technology, 62 (2002) 775–781. Though the principle of orthogonal experimental design, the uniaxial compression experiment and uniaxial tensile experiment were carried out on nine groups of high toughness cementitious composites with different mixing ratios to study the influence of four factors, namely fly ash content, water-binder ratio, sand-binder ratio and plasticizer content on the compressive strength and ultimate tensile strain of high toughness cementitious composites.
    keywords: binder; binder ratio; compressive; content; ratio; strain; strength; tensile; water
       cache: fis-1962.pdf
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        item: #497 of 1022
          id: fis-1963
      author: User
       title: Microsoft Word - numero_43_art_3
        date: 2017-10-31
       words: 6919
      flesch: 57
     summary: In this paper, fatigue crack growth of edge crack in 2024 T351 aluminum alloy plate repaired with bonded composite patch under constant and variable amplitude loading (VAL) was predicted. Several experimental research on fatigue crack growth of patched structures were oriented to the fatigue tests under constant amplitude loading including effect of stress ratio, amplitude of loading, number of ply’, geometry of patches…i.e. [15-19].
    keywords: alloy; amplitude; crack; crack growth; doi; effect; factor; fatigue; fatigue crack; growth; life; loading; overload; patch; plate; ratio; repair; stress
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        item: #498 of 1022
          id: fis-1965
      author: User
       title: Microsoft Word - numero_43_art_5
        date: 2017-11-03
       words: 5259
      flesch: 55
     summary: Ds Static damage based on burst pressures of HDPE pipes. On the other hand, the same thing, which has been done through experimental burst tests, can be done only by theoretical calculations through rupture pressure formulas or the newly developed formulas presented in this paper.
    keywords: burst; damage; fraction; hdpe; life; model; pipes; pressure;  
       cache: fis-1965.pdf
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        item: #499 of 1022
          id: fis-1967
      author: User
       title: Microsoft Word - numero_43_art_6
        date: 2018-01-02
       words: 3444
      flesch: 57
     summary: Geometry effects on corrosion fatigue in offshore structural steels. At the end of the procedure, it was possible to perform fatigue tests (R=0) to plot the S-N fatigue curve of uncorroded and corroded specimens.
    keywords: corrosion; curve; fatigue; life; samples; specimens; steel; tank; tests
       cache: fis-1967.pdf
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        item: #500 of 1022
          id: fis-1968
      author: User
       title: Microsoft Word - numero_43_art_7
        date: 2017-11-29
       words: 4195
      flesch: 51
     summary: For low life fractions (0% <β<16%), experimental damage and unified theory damage at a loading level γ = 1.27 are similar. PPR pipes are exposed to severe conditions in terms of pressure and temperature, hence the need to characterize their fracture behavior in order to avoid the design risks.
    keywords: damage; fraction; hdpe; life; majid; pipes; ppr; pressure; reliability
       cache: fis-1968.pdf
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        item: #501 of 1022
          id: fis-1971
      author: User
       title: Microsoft Word - numero_43_art_8
        date: 2017-11-29
       words: 3311
      flesch: 52
     summary: Citation: Davydova, M., Uvarov, S., Naimark, O., The effect of sample porosity on statistical regularities of dynamical fragmentation of ceramic ZrO2, Frattura ed Integrità Strutturale, 43 (2018) 106-112. This hypothesis is confirmed by the following facts:  stress-strain curves for high porosity samples have two maxima, the first of which corresponds to the pore collapse and the second - to the deformation of compacted material;
    keywords: distribution; doi; fig; fragmentation; pore; porosity; sample; size; time
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        item: #502 of 1022
          id: fis-1975
      author: User
       title: Microsoft Word - numero_43_art_10
        date: 2017-11-29
       words: 5197
      flesch: 52
     summary: To optimize high cycle fatigue tests, we chose classical specimen shape with circular section according to the ASTM E466-07 standard (Fig. 1) at MOROCCO CETIM. In [6], authors investigated the microstructure of the material at different heat treatment states and its influence on the low cycle fatigue (LCF) and high cycle fatigue (HCF).
    keywords: alloy; behavior; curve; cycle; cyclic; doi; failure; fatigue; hardening; plastic; siclanic; softening; strain; stress
       cache: fis-1975.pdf
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        item: #503 of 1022
          id: fis-1979
      author: User
       title: Microsoft Word - numero_43_art_14
        date: 2017-11-28
       words: 4451
      flesch: 44
     summary: Safety of masonry arches; Collapse mechanism; Springing settlement; Experiment. Consequently, the structural behaviour of masonry arches continues to be subject of scientific research.
    keywords: analysis; arch; collapse; configuration; displacement; doi; masonry; settlement; zampieri
       cache: fis-1979.pdf
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        item: #504 of 1022
          id: fis-198
      author: User
       title: Microsoft Word - numero 24 articolo 16
        date: 2013-03-19
       words: 3568
      flesch: 55
     summary: 6082T6-6061T6 101 170 4 46.57-45.57 6061T6-6082T6 91 173 4.29 47.39-46.38 6061T6-6082T6 95 154 4.43 42.19-41.28 AA6082-T6 117 365 14 -- AA6061-T6 99.84 373.12 16.56 -- Table 4: Mechanical properties of dissimilar FSW joints. RESULT AND DISCUSSION Mechanical Properties he mechanical and metallurgical behaviour of dissimilar FSW AA6082–AA6061 was studied in this research.
    keywords: aa6061; aa6082; corrosion; fsw; joints; min; speed; tool; welding
       cache: fis-198.pdf
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        item: #505 of 1022
          id: fis-1981
      author: User
       title: Microsoft Word - numero_43_art_16
        date: 2017-12-07
       words: 6675
      flesch: 60
     summary: The differences in experimental methods of slip test and evaluation of them for the mentioned standards are discussed. Slip test on only blasted surfaces The material of the specimens was weathering steel with characteristics as in EN 10025-5 [21]
    keywords: factor; friction; joints; rcsc; slip; slip factor; specimens; steel; surfaces; tests; value
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        item: #506 of 1022
          id: fis-1984
      author: User
       title: Microsoft Word - numero_43_art_19
        date: 2017-12-15
       words: 5492
      flesch: 52
     summary: Rockfall protection net fences are key protection systems in mountainous areas worldwide to ensure the safety of infrastructures, roads and urban areas. This paper deals with the assessment of the installation problems and damages induced by ageing of rockfall protection net fences, using numerical modelling in order to evaluate the influence of these issues on their behavior.
    keywords: analysis; cables; efficiency; energy; fence; model; net; numerical; protection; risk; rockfall
       cache: fis-1984.pdf
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        item: #507 of 1022
          id: fis-199
      author: Pc
       title: Microsoft Word - numero 24 articolo 1
        date: 2013-03-19
       words: 1926
      flesch: 45
     summary: As was mentioned above, the abrupt strain flash appeared (curve III, Fig. 5) at the moment of transition through an upper yield point (point II, Fig. 2), and a wave front of axial strain was initiated. http://dx.medra.org/10.3221/IGF-ESIS.24.01&auth=true http://www.gruppofrattura.it T.V. Tretiakova et alii, Frattura ed Integrità Strutturale, 24 (2013) 1-6; DOI: 10.3221/IGF-ESIS.24.01 5 On the basis of experimental data time dependences of axial strain were determined for five areas of material, marked on the surface of sample test portion (Fig. 6).
    keywords: deformation; digital; material; sample; stage; strain
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        item: #508 of 1022
          id: fis-1997
      author: User
       title: Microsoft Word - numero_44_art_2
        date: 2018-03-02
       words: 3925
      flesch: 51
     summary: The effect of water-cement ratio on abrasion resistance, porosity and hydraulic conductivity coefficient of Nano silica concrete has been studied in this research (paper). Decreasing the water-cement ratio from 0.46 to 0.30 improves the abrasion resistance of Nano silica concrete by 42%, the hydraulic conductivity coefficient of concrete decreases from 28.5⤬10-15 to 1.7⤬10-15 m/s and the porosity of concrete decreases to 13.1%.
    keywords: abrasion; cement; cement ratio; concrete; depth; nano; ratio; resistance; silica; strength; water
       cache: fis-1997.pdf
  plain text: fis-1997.txt

        item: #509 of 1022
          id: fis-20
      author: User
       title: Microsoft Word - numero 1 notiziario.doc
        date: 2007-06-07
       words: 5436
      flesch: 51
     summary: Diversi consiglieri evidenziano l’importanza di un aggiornamento continuo e rapido del sito istituzionale dell’IGF. Il Gruppo Italiano Frattura (IGF) organizza il prossimo Convegno Nazionale, giunto ormai alla sua XIX edizione, al Politecnico di Milano, presso la nuovo Campus Bovisa Sud (Milano).
    keywords: alla; all’o.d.g; attività; beretta; che; committee; conference; consiglio; convegno; dei; del; della; esis; fracture; frattura; gruppo; iacoviello; igf; international; italiano; mail; milano; nazionale; politecnico; presidente; professor; punto; rivista; soci; una; università
       cache: fis-20.pdf
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        item: #510 of 1022
          id: fis-200
      author: Pc
       title: Microsoft Word - numero 24 articolo 2
        date: 2013-03-19
       words: 2681
      flesch: 49
     summary: This approach allowed some simple applied problems to be solved, but hampered the study of the general rules of metal damage under the complex stress-strain state. In mechanics, the progress in the development of the notion of metal damage under plastic deformation is connected with the appearance of kinetic theories of dispersed fracture (damage mechanics)
    keywords: annealing; damage; deformation; healing; metal; micro; plastic
       cache: fis-200.pdf
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        item: #511 of 1022
          id: fis-2004
      author: User
       title: Microsoft Word - numero_46_art_9
        date: 2018-09-23
       words: 5408
      flesch: 55
     summary: This means that it can inflict higher fatigue damage. Figure 2: A diagrammatic process flow for fatigue signal collection
    keywords: amplitude; analysis; damage; data; distribution; fatigue; probability; saesus; segments; signal; strain; weibull
       cache: fis-2004.pdf
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        item: #512 of 1022
          id: fis-2009
      author: User
       title: Microsoft Word - numero_44_art_5_AP
        date: 2018-01-31
       words: 8126
      flesch: 61
     summary: Paris’ law The second important power law in fatigue is Paris’ law, giving the advancement of fatigue crack per cycle, va, as a function of the amplitude of stress intensity factor ΔK (see Fig.2)   In the former case, in the presence of a crack it is useful to design for fatigue crack propagation (like in the “damage tolerance” design approach), because the static limit is very high and the threshold condition is perhaps too strict, and there is margin to gain from a more elaborate design.
    keywords: case; crack; fatigue; law; limit; log; material; notch; paris; size; stress; wöhler
       cache: fis-2009.pdf
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        item: #513 of 1022
          id: fis-201
      author: User
       title: Microsoft Word - numero 25 art 1
        date: 2013-04-09
       words: 2770
      flesch: 54
     summary: INTRODUCTION he study of crack tip stress, strain, and displacement fields has a long history. Microsoft Word - numero 25 art 1 D. Nowell et alii, Frattura ed Integrità Strutturale, 25 (2013) 1-6; DOI: 10.3221/IGF-ESIS.25.01 1 Special Issue: Characterization of Crack Tip Stress Field Characterisation of crack tip fields under non-uniform fatigue loading D. Nowell, M.E. Kartal University of Oxford, Department of Engineering Science, Parks Road, Oxford, OX1 3PJ, UK.
    keywords: crack; displacement; fatigue; loading; overload; stress; tip
       cache: fis-201.pdf
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        item: #514 of 1022
          id: fis-2011
      author: User
       title: Microsoft Word - numero_46_art_15
        date: 2018-09-23
       words: 2619
      flesch: 51
     summary: [10] recommended Walker for mean stress correction after the investigation on polypropylene copolymer, polypropylene-elastomer blend, short glass fibre reinforced polybutylene terephthalate and polyamide 6. The evaluation of the mean stress correction equations is displayed in Figs. 7 to 12 with Figs. 7 to 9 for polymers and Figs. 10 to 12 for short glass fibre reinforced polymer composites.
    keywords: behaviour; fatigue; fibre; glass; materials; mean; polymer; stress
       cache: fis-2011.pdf
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        item: #515 of 1022
          id: fis-2013
      author: User
       title: Microsoft Word - numero_44_art_7
        date: 2018-02-11
       words: 7344
      flesch: 73
     summary: The inverse transformations were applied to the formulae (11)-(12), and the substitution of the displacement functions in the boundary conditions        , 0 , , 0 0, , 0 0y xy yx p x x B x B                       , 2 1 2 3 3 2 4 , , 2 h h h           .
    keywords: y x;  ;  ;  ;  ;  
       cache: fis-2013.pdf
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        item: #516 of 1022
          id: fis-2015
      author: User
       title: Microsoft Word - numero_44_art_6
        date: 2018-02-07
       words: 8575
      flesch: 72
     summary: (27), three-dimensional long-term strength criterion expressed by the short-term uniaxial compressive strength of rocks can be denoted by                       A A A (26) yields                       
    keywords: cos; sin; strength; stress;  
       cache: fis-2015.pdf
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        item: #517 of 1022
          id: fis-2016
      author: Politecnico
       title: Shot Peening Processes to obtain Nanocrystalline surfaces in metal alloys:
        date: 2018-01-29
       words: 6478
      flesch: 50
     summary: Therefore, by increasing the injection rate of the fracturing fluid, it is possible to increase both the width and the half-length of fracturing fractures, so more volume of the reservoir can be stimulated. In order to understand the interference among fracturing clusters within the single fracturing section of the shale horizontal wells during multi-cluster staged fracturing, a finite element model is developed by using ABAQUS finite element simulation software.
    keywords: cluster; fluid; fracture; fracturing; fracturing fluid; fracturing section; hydraulic; increase; interference; propagation; spacing
       cache: fis-2016.pdf
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        item: #518 of 1022
          id: fis-2017
      author: User
       title: Microsoft Word - numero_46_art_6
        date: 2018-09-27
       words: 4370
      flesch: 54
     summary: Fatigue damage laws The damage evolution law is based on the work of van Paepegem The presented methodology is based on residual stiffness fatigue laws combined with an efficient damage operator approach to calculate the progressive damage and residual stiffness.
    keywords: c c; damage; degradation; fatigue; loading; stiffness;  
       cache: fis-2017.pdf
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        item: #519 of 1022
          id: fis-202
      author: User
       title: Microsoft Word - numero 25 art 2
        date: 2013-04-09
       words: 3850
      flesch: 59
     summary: [19] Tanaka, T., Mura, T., A dislocation model for fatigue crack initiation, J. Appl. [7, 19], surface crack initiation cycle Ns is   s s 2 4 1.25 2 AW N l k    (9) where Ws is surface energy related to surface crack initiation.
    keywords: air; crack; cycle; fatigue; initiation; life; stress; subsurface; surface
       cache: fis-202.pdf
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        item: #520 of 1022
          id: fis-2020
      author: Politecnico
       title: Shot Peening Processes to obtain Nanocrystalline surfaces in metal alloys:
        date: 2018-09-22
       words: 4421
      flesch: 53
     summary: As the first stage of this study, three-point bending specimens with notches of different shapes are used to obtain bending fatigue limit stresses, which are expressed as the maximum stress at the critical point on the notch surface, and an approach to estimating the tension fatigue strength of a smooth specimen is presented, which will be the basic material property used in general bending fatigue design. Table 1: Fatigue test results and estimated bending fatigue limit stresses.
    keywords: crack; design; fatigue; fatigue crack; fatigue strength; point; stress
       cache: fis-2020.pdf
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        item: #521 of 1022
          id: fis-2022
      author: User
       title: Microsoft Word - numero_44_art_10
        date: 2018-02-24
       words: 10845
      flesch: 65
     summary: The above considerations can be extended from the ENF test to similar mode II delamination tests – e.g. the end-loaded split (ELS) test, the four-point end-notched flexure (4ENF) test, etc. END-NOTCHED FLEXURE TEST he end-notched flexure (ENF) test has been recently standardised by ASTM International as the method for the characterisation of mode II delamination toughness of unidirectional fibre-reinforced composite laminates [51].
    keywords: beam; crack; deformation; delamination; doi; energy; enf; forces; fracture; mode; rate; release; shear; test; theory
       cache: fis-2022.pdf
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        item: #522 of 1022
          id: fis-2023
      author: User
       title: Microsoft Word - numero_45_art_11
        date: 2018-06-21
       words: 6861
      flesch: 60
     summary: High strength concrete containing natural pozzolan and silica fume. Effect of silica fume and ground pumice on compressive strength and modulus of elasticity of high strength concrete.
    keywords: cement; concrete; days; doi; materials; mix; mortar; properties; repair; scrm-20np; self; strength
       cache: fis-2023.pdf
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        item: #523 of 1022
          id: fis-2024
      author: HYY
       title: Microsoft Word - numero_44_art_3
        date: 2018-02-14
       words: 4307
      flesch: 57
     summary: Finally, there is the most recent 4-Point Bend End-Notched Flexure (4ENF) test specimen: a specimen containing an artificial defect on one side and loaded under four-point bending; this prototype has the advantage of being the most stable, but the acquisition of results requires sophisticated equipment. Figure 3: Realization of the notch with (a) blade 1 mm thick, (b) test specimen for mode II fracture characterization and (c) slip gauge.
    keywords: crack; doi; fracture; load; material; mode; specimen; test; wood
       cache: fis-2024.pdf
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        item: #524 of 1022
          id: fis-2026
      author: HYY
       title: Microsoft Word - numero_44_art_9
        date: 2018-03-26
       words: 6366
      flesch: 55
     summary: Optimization of friction stir welding process parameters to maximize tensile strength of stir cast AA6061-T6/AlNp composite. In this study, considering the effect of rotational and forward speed of welding tool on the mechanical properties of welded region, a hybrid optimization method based on combination of Genetic Algorithm (GA) and Response Surface Method (RSM) named here as GA-RSM is proposed to achieve maximum tensile and ultimate strength.
    keywords: aa5050; doi; friction; optimization; response; rsm; speed; stir; strength; surface; tensile; tool; welding
       cache: fis-2026.pdf
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        item: #525 of 1022
          id: fis-2027
      author: None
       title: numero_45_art_5
        date: 2018-06-16
       words: 6133
      flesch: 64
     summary: Each lg 2.426 0.0907 lgS N = − lg 3.302 0.2183lgS N = − L. Zou et alii, Frattura ed Integrità Strutturale, 45 (2018) 53-66; DOI: 10.3221/IGF-ESIS.45.05 64 class of welded joint fatigue test samples forms a relatively independent sample space, which is called fatigue characteristic domain. [22-25], fatigue database of aluminum alloy welded joints is established.
    keywords: 5083; 5a06; alloy; aluminum; curve; domain; fatigue; joint; life; master; material; stress; test
       cache: fis-2027.pdf
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        item: #526 of 1022
          id: fis-203
      author: User
       title: Microsoft Word - numero 25 art 3
        date: 2013-04-09
       words: 2364
      flesch: 56
     summary: [3] Razumovsky, I.A., Chernyatin, A.S. Experimental numerical method to estimate loading conditions for structures with surface cracks, Journal of Machinery and Reliability, 3 (2009) 247-254. 3D surface crack; Stress intensity factors; T-stresses; FEM; Minimization problem; Numerical experiment.
    keywords: crack; numerical; stress; surface; terms
       cache: fis-203.pdf
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        item: #527 of 1022
          id: fis-2030
      author: Politecnico
       title: Shot Peening Processes to obtain Nanocrystalline surfaces in metal alloys:
        date: 2018-09-22
       words: 5606
      flesch: 62
     summary: In initiation phase, fatigue life is linked strongly to metallurgical, geometrical, loading parameters and stress state without external loading (presence of residual stress). Effect of stress ratio on fatigue crack initiation from hole without residual stress was investigated by Fujczak
    keywords: alloy; compressive; crack; doi; effect; expansion; fatigue; hole; initiation; life; plate; residual; stress; stresses
       cache: fis-2030.pdf
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        item: #528 of 1022
          id: fis-2033
      author: User
       title: Microsoft Word - numero_46_art_3
        date: 2018-09-22
       words: 4213
      flesch: 61
     summary: =0.4% Figure 7: Crack propagation curve of Sn-low-Ag-Cu solders at 313 K. Fig, 8 shows the number of crack propagation cycles which crack length reached to 5mm for comparing the crack propagation rate. The number of crack propagation cycle of solders containing Bi were less than half of Bi-free solders.
    keywords: crack; cycle; elements; fatigue; initiation; propagation; range; rate; snagcu; solders
       cache: fis-2033.pdf
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        item: #529 of 1022
          id: fis-2034
      author: User
       title: Microsoft Word - numero_46_art_2
        date: 2018-09-22
       words: 5274
      flesch: 52
     summary: Main effect plot for fracture toughness on ENT test under sea water immersion is as shown in Fig.4. Microsoft Word - numero_46_art_2 G. B. Manjunatha et alii, Frattura ed Integrità Strutturale, 46 (2018) 14-24; DOI: 10.3221/IGF-ESIS.46.02 14 Developments in the fracture and fatigue assessment of materials and structures Investigating the contribution of geometrical parameters and immersion time on fracture toughness of jute fabric composites using statistical techniques G. B. Manjunatha Department of mechanical engineering, G M Institute of technology, Karnataka, India, Manjugb4444@gmail.com, https://orcid.org/0000-0001-8942-8887 K. N. Bharath Department of mechanical engineering, G M Institute of technology, Karnataka, India, kn.bharath@gmail.com, https://orcid.org/0000-0003-1004-099X ABSTRACT.
    keywords: capacity; carrying; composite; doi; effect; fracture; immersion; load; thickness; time; toughness
       cache: fis-2034.pdf
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        item: #530 of 1022
          id: fis-2037
      author: User
       title: Microsoft Word - numero_46_art_1
        date: 2018-09-22
       words: 5678
      flesch: 57
     summary: Welding speed of 40mm/min, b) Welding speed of 80mm/min, c) Welding speed of 100mm/min, d)
    keywords: friction; fsw; heat; material; min; numerical; rpm; speed; stress; tool; welding; workpiece
       cache: fis-2037.pdf
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        item: #531 of 1022
          id: fis-2038
      author: User
       title: Microsoft Word - numero_45_art_12
        date: 2018-06-21
       words: 4455
      flesch: 54
     summary: CONCLUSION neural network approach for solving inverse problem in eddy current testing is presented in this paper. Finite element simulation of the probe displacement in eddy current testing, International Journal of Applied Electromagnetics and Mechanics, 45, pp.
    keywords: current; eddy; impedance; network; neural; output
       cache: fis-2038.pdf
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        item: #532 of 1022
          id: fis-204
      author: User
       title: Microsoft Word - numero 25 art 4
        date: 2013-04-09
       words: 3675
      flesch: 62
     summary: A distribution of ( , )nv r  -displacement component along the crack line (θ=π, see Fig. 1) is expressed as: 1 3 4 4 ( , ) 0( )n nn r r r v r At the same time the crack compliance method is capable of SIF deriving by local crack length increasing under constant load conditions [9-10].
    keywords: crack; length; n n; notch; stress
       cache: fis-204.pdf
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        item: #533 of 1022
          id: fis-2044
      author: User
       title: Microsoft Word - numero_45_art_1
        date: 2018-06-16
       words: 6671
      flesch: 52
     summary: Then, the authors discussed how the loading speed, aggregate volume content, and aggregate particle size affect the dynamic mechanical properties of concrete. The simulation results show that the damage morphology of concrete under dynamic load agrees well with that of theoretical analysis; the peak stress of concrete increased with the loading speed, revealing an obvious strain rate enhancement effect; the peak stress of concrete also increased with aggregate volume content; however, the peak stress of concrete gradually decreased with the increase in aggregate particle size under the constant volume content and grading of aggregate.
    keywords: aggregate; concrete; content; itz; material; model; numerical; particle; peak; simulation; size; stress; volume
       cache: fis-2044.pdf
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        item: #534 of 1022
          id: fis-2046
      author: User
       title: Microsoft Word - numero_44_art_11
        date: 2018-03-21
       words: 5979
      flesch: 57
     summary: INTRODUCTION he key role of stress triaxiality on ductile fracture of metals and alloys is well known. These results indicate that stress triaxiality alone is inadequate to describe the effect of multiaxial stress state on material ductility, suggesting that also the third invariant of the stress tensor has an influence.
    keywords: bonora; damage; failure; fracture; material; model; shear; state; strain; stress; testa; triaxiality
       cache: fis-2046.pdf
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        item: #535 of 1022
          id: fis-2049
      author: Politecnico
       title: Shot Peening Processes to obtain Nanocrystalline surfaces in metal alloys:
        date: 2018-06-20
       words: 6296
      flesch: 61
     summary: Creep deformation continues to increase with time elapsing, while the incremental rate of creep deformation keeps constant approximately and the deformation-time curve is a straight line. (7), the demarcation point of stable creep and accelerated creep do not present in the curve of creep deformation and time of FRAC, so the model cannot be used to describe the rheological time characteristics of viscoelastic material.
    keywords: creep; deformation; fiber; frac; model; time
       cache: fis-2049.pdf
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        item: #536 of 1022
          id: fis-205
      author: User
       title: Microsoft Word - numero 25 art 5
        date: 2013-04-09
       words: 5044
      flesch: 67
     summary: The direct  p x , and shearing  q x , interfacial tractions may therefore be written as        1  1  0 1  0 1 , I II I III IIint I int II int (7) and (8), write out the direct  p x , and shearing  q x , tractions, but this time with the alternative formulation of the stress field, and we also, for compactness, use the shorthand  n nij ij intf f  , as     1  1  0 0 0 0 , I IIint I IIrp x
    keywords: slip
       cache: fis-205.pdf
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        item: #537 of 1022
          id: fis-2051
      author: User
       title: Microsoft Word - numero_44_art_13
        date: 2018-03-25
       words: 5710
      flesch: 52
     summary:                        (11) Here, , Dcr, th, f, f, , k are the material damage parameters: th is the plastic strain threshold under uniaxial state of stress at which damage process is initiated, f is the failure strain under constant stress triaxiality equal to 1/3,  is the damage exponent that defines the shape of damage evolution law for NAG,  and k are the damage exponents for shear controlled damage contribution, and f is the critical strain for pure shear. Damage parameters - th 0.098 f 3.11 Dcr 0.1  0.3  0.0 f 0.105  0.10 Table 2: Summary of damage model parameters for DP600.
    keywords: bonora; damage; dp600; fracture; materials; piercing; process; rivet; shear; sheet; stress; testa
       cache: fis-2051.pdf
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        item: #538 of 1022
          id: fis-2052
      author: User
       title: Microsoft Word - numero_45_art_13
        date: 2018-06-24
       words: 4714
      flesch: 51
     summary: [15] studied the mechanical properties of graphene oxide reinforced cement based composite material and found that the tensile strength had an improvement of 48% when the weight proportion of graphene oxide was 1.5%. Figure 4: The variation of the bending and compressive strength of graphene oxide reinforced cement based composite material with the changes of the mixing amount and water-cement ratio of graphene oxide.
    keywords: cement; composite; graphene; graphene oxide; material; oxide; properties; ratio; specimens; strength; water
       cache: fis-2052.pdf
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        item: #539 of 1022
          id: fis-2054
      author: User
       title: Microsoft Word - numero_45_art_8
        date: 2018-06-17
       words: 4650
      flesch: 60
     summary: (3) From the predicted results, according to the selected weight loss rate threshold value, under the permanently soaked in water condition, the life of anchor steel bar is the longest, reaching 8.3 years; the life of anchor bar under close and damp condition is 8.2 years; the life of anchor bar under weak acidity aqueous soaking condition is the shortest, only 2.4 X. Z. Wang, Frattura ed Integrità Strutturale, 45 (2018) 100-107; DOI: 10.3221/IGF-ESIS.45.08 106 years. Figure 1: Distribution of anchor steel weight loss rate with time (2)
    keywords: anchor; bar; corrosion; data; grey; life; loss; model; prediction; rate; steel; water
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        item: #540 of 1022
          id: fis-2055
      author: User
       title: Microsoft Word - numero_44_art_14
        date: 2018-04-01
       words: 3598
      flesch: 50
     summary: Shape memory alloys (SMAs) are a wide class of materials characterized by the property to recover the initial shape. Shape memory alloy; Austenite; Martensite; Microstructure transitions.
    keywords: austenite; cocco; conditions; cycle; loading; martensite; microstructure; unloading
       cache: fis-2055.pdf
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        item: #541 of 1022
          id: fis-2059
      author: User
       title: Microsoft Word - numero_49_art_51_2059
        date: 2019-06-27
       words: 4996
      flesch: 61
     summary: Consequently, skew degree it is a significant effect on stress intensity factor (SIF) distribution along the crack front in thick panels more than in thin panels. Patch repair; Stress intensity factor; Aluminum alloy; Fatigue; Crack front.
    keywords: composite; crack; doi; fatigue; intensity; patch; plate; repair; stress; thickness
       cache: fis-2059.pdf
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        item: #542 of 1022
          id: fis-206
      author: User
       title: Microsoft Word - numero 25 art 6
        date: 2013-04-09
       words: 4524
      flesch: 57
     summary: The idea about subsurface fatigue crack propagation in vacuum contradicted with test results of steels having different contents of hydrogen [7]. Below will be discussed process of subsurface fatigue crack propagation in steels in gigacycle or Ultra-High-Cycle-Fatigue (UHCF) regime based on the introduced above criteria.
    keywords: area; crack; cracking; fatigue; formation; fracture; growth; metals; process; subsurface; vacuum
       cache: fis-206.pdf
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        item: #543 of 1022
          id: fis-2063
      author: User
       title: Microsoft Word - numero_46_art_10
        date: 2018-09-23
       words: 5038
      flesch: 67
     summary: It is defined as c 0.28R mm for steel welded joints. Meanwhile, Fig. 4 compares the experimental data relevant to LCWJ made of 10CrNi3MoV steel with the scatter band suggested to design steel welded joints against fatigue.
    keywords: analytical; failure; fatigue; joints; lcwj; q345; root; sed; steel; stress; toe
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        item: #544 of 1022
          id: fis-2065
      author: User
       title: Microsoft Word - numero_45_art_3
        date: 2018-06-16
       words: 7343
      flesch: 60
     summary: Steel bridges; Corrosion; Fatigue crack growth; Remaining life. To meet this challenge, this paper will discuss the issues associated with fatigue crack growth in a corroded steel beam.
    keywords: analysis; bridge; corrosion; crack; engineering; fatigue; fracture; growth; life; peng; steel; stress
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        item: #545 of 1022
          id: fis-2067
      author: User
       title: Microsoft Word - numero_46_art_16
        date: 2018-09-26
       words: 8908
      flesch: 71
     summary: A A T G u dA u dA r r R r                         (39) A A T u dA u dA r r R r                         (41)
    keywords: crack; energy; fig; rate; release; shaft; strain; strain energy
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        item: #546 of 1022
          id: fis-2068
      author: User
       title: Microsoft Word - numero_46_art_11
        date: 2018-09-23
       words: 5877
      flesch: 61
     summary: In this study the finite element method is used to analyze the performances of bonded composite wrap repair of cracked steel pipelines. The strength of the repair is governed by the thickness of composite wrap and the tensile stress at each layer of the wrap, where effective stress transfer initiates once plastic flow occurs in the repaired steel pipe [13,14].
    keywords: angle; composite; crack; doi; factor; intensity; length; pipeline; repair; stress; thickness; wrap
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        item: #547 of 1022
          id: fis-2069
      author: Politecnico
       title: Shot Peening Processes to obtain Nanocrystalline surfaces in metal alloys:
        date: 2018-06-16
       words: 4094
      flesch: 66
     summary: Second, the brace-side SCF of full or partial penetration weld joints was almost the same as that at chord-side, because the joint SCF increased with the decrease of weld size. Third, the fillet weld size was set to 1.2t1 for simplicity and applicability, because the SCF of fillet weld joints grew with the decrease of weld size.
    keywords: brace; chord; joints; scf; size; steel; weld
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        item: #548 of 1022
          id: fis-207
      author: User
       title: Microsoft Word - numero 25 art 7
        date: 2013-04-09
       words: 2458
      flesch: 58
     summary: [4] to fatigue crack growth of a nickel alloy in vacuum at a range of temperatures, where the influence of oxidation is removed. The concept of ratchetting strain as a crack driving force in controlling crack growth has previously been explored at Portsmouth using numerical approaches for nickel-based superalloys.
    keywords: crack; dic; growth; loading; strain; tip
       cache: fis-207.pdf
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        item: #549 of 1022
          id: fis-208
      author: User
       title: Microsoft Word - numero 25 art 8
        date: 2013-04-09
       words: 1792
      flesch: 62
     summary: The three dimensional growth of fatigue cracks in samples of nodular graphite cast iron is characterized using laboratory X-ray computed tomography. INTRODUCTION n their early stage of propagation, fatigue cracks have a strong three dimensional character.
    keywords: crack; dvc; fatigue; stress
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        item: #550 of 1022
          id: fis-209
      author: User
       title: Microsoft Word - numero 25 art 9
        date: 2013-04-09
       words: 3314
      flesch: 57
     summary: The size of crack tip plastic deformation zone has been widely studied for static loads, being usually represented in the form: 2( )p ys K r    (3) where K is the stress intensity factor and ys is material’s yield stress. E1 E2 E8 C0 http://www.gruppofrattura.it http://dx.medra.org/10.3221/IGF-ESIS.25.09&auth=true F. V. Antunes et alii, Frattura ed Integrità Strutturale, 25 (2013) 54-60; DOI: 10.3221/IGF-ESIS.25.09 58 Another relevant aspect is the size of crack tip plastic zone.
    keywords: crack; deformation; mesh; plane; plastic; strain; stress; tip
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        item: #551 of 1022
          id: fis-21
      author: None
       title: None
        date: 2008-03-15
       words: 3
      flesch: -303
     summary: http://dx.medra.org/10.3221/IGF-ESIS.04.02&auth=true http://www.gruppofrattura.it http://www.gruppofrattura.it
    keywords: http://www.gruppofrattura.it
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        item: #552 of 1022
          id: fis-210
      author: User
       title: Microsoft Word - numero 25 art 10
        date: 2013-04-09
       words: 4139
      flesch: 66
     summary: [6] Neuber, H., Theory of notch stresses, Berlin: Springer-Verlag; (1958). [24] Zappalorto, M., Lazzarin, P., Filippi, S., Stress field equations for U and blunt V-shaped notches in axisymmetric shafts under torsion, Int.
    keywords: lazzarin; loading; mode; notch; plane; plates; problem; stress; thickness
       cache: fis-210.pdf
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        item: #553 of 1022
          id: fis-211
      author: User
       title: Microsoft Word - numero 25 art 11
        date: 2013-04-09
       words: 4882
      flesch: 66
     summary: [17] Berto, F., Lazzarin, P., Christopher, C.J., James, M.N., Characterization of crack tip stress fields, Forni di Sopra (UD), Italy, March 7–9, (2011) 88–95. This paper is particularly focused on investigation of differences in crack tip stress state caused by changes in the test geometry (the specimen’s shape and boundary conditions) resulting in differences in the shape and size of the FPZ.
    keywords: crack; fracture; n n; platens; psp; stress; tip
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        item: #554 of 1022
          id: fis-2114
      author: Politecnico
       title: numero_45_art_7
        date: 2018-06-16
       words: 6005
      flesch: 56
     summary: Hydrate dissociation occurs only when both temperature and pore pressure satisfy the conditions of hydrate dissociation. Hydrate-bearing sediments; Hydrate dissociation; Wellbore instability; Borehole collapse; Finite element analysis.
    keywords: area; borehole; collapse; dissociation; doi; drilling; hydrate; model; operation; pressure; sediments; sin; temperature; wellbore
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        item: #555 of 1022
          id: fis-212
      author: User
       title: Microsoft Word - numero 25 art 12
        date: 2013-04-09
       words: 5265
      flesch: 62
     summary: First note that short fatigue cracks must behave differently from long cracks, since their FCG threshold must be smaller than the long crack threshold Kth(R) The FCG threshold of short fatigue cracks under pulsating loads Kth(a, R  0) can be modeled using El Haddad-Topper-Smith (ETS) characteristic size a0 [12], which is estimated from S0  SL(R
    keywords: crack; fatigue; notch; sensitivity; stress
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        item: #556 of 1022
          id: fis-2120
      author: User
       title: Microsoft Word - numero_46_art_12n
        date: 2018-09-23
       words: 5353
      flesch: 64
     summary: Effect of crack inclination on the variation of the ratio of the damaged area of the adhesive The effect of the inclination of the crack is shown in Figs. Fig. 5 highlights the ratio of the damaged area as a function of crack inclination.
    keywords: adhesive; area; crack; damage; doi; inclination; patch; ratio; zone
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        item: #557 of 1022
          id: fis-2128
      author: User
       title: Microsoft Word - numero_46_art_14
        date: 2018-09-23
       words: 5361
      flesch: 64
     summary: (a) (b) Figure 3: Variation of stress intensity factor in crack heads as a function of crack size and mechanical loading intensity: (a) unrepaired, (b) repaired. Plate; Repair; Adhesive; Patch; Composite materials; Crack; Finite elements; Stress intensity factor.
    keywords: crack; doi; factor; fig; intensity; intensity factor; patch; repair; stress; stress intensity
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        item: #558 of 1022
          id: fis-213
      author: User
       title: Microsoft Word - numero 25 art 13
        date: 2013-04-09
       words: 3756
      flesch: 59
     summary: (9), which is the starting point of the reasoning summarised above, represents a link between the AM [10] and gradient elasticity as formalised by Aifantis and co-workers [3-5], so that, if the terms of order L4 and higher are ignored, the the l vs. L relationship can explicitly be written as: 2 21 L 8   L 2 2  (14) GRADIENT ENRICHED TIP STRESSES TO ESTIMATE STATIC STRENGTH OF CRACKED CERAMICS n order to check the accuracy of gradient enriched tip stresses in estimating the static strength of cracked engineering ceramics under Mode I static loading a number of experimental results were selected from the technical literature, the mechanical properties of the investigated materials being summarised in Tab 1. [28] Kimoto, H., Usami, S., Miyata, H., Flaw size dependence in fracture stress of glass and polycrystalline ceramics, Japan Soc.
    keywords: crack; gradient; material; strength; stress; stresses
       cache: fis-213.pdf
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        item: #559 of 1022
          id: fis-2130
      author: User
       title: Microsoft Word - numero_46_art_31
        date: 2018-09-27
       words: 4844
      flesch: 53
     summary: Recycled pervious concrete as an environment-friendly and material-saving construction material can satisfy the current development demands of circular economy and environmental protection in China. But studies concerning the performance of recycled pervious concrete are not enough, which limits its application and promotion.
    keywords: aggregate; compressive; concrete; permeability; porosity; rate; replacement; strength; test; water
       cache: fis-2130.pdf
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        item: #560 of 1022
          id: fis-2136
      author: Politecnico
       title: Shot Peening Processes to obtain Nanocrystalline surfaces in metal alloys:
        date: 2018-11-30
       words: 7516
      flesch: 62
     summary: Therefore, studying rock fracture from the micromechanics perspective, analyzing the damage rules of tiny rock elements, and studying element failure through element energy dissipation and energy criterion can systematically show the entire rock fracture process. For rock elements entering the damage state, the energy failure criterion of strain energy density is used to determine whether the element is damaged.
    keywords: damage; density; element; energy; energy density; failure; rock; strain; strain energy
       cache: fis-2136.pdf
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        item: #561 of 1022
          id: fis-2137
      author: User
       title: Microsoft Word - numero_45_art_16
        date: 2018-06-26
       words: 4928
      flesch: 67
     summary: sin ( , )n n n nv r r r r r in r  The steady-state oscillations of the media are described by the Helmholtz equation        2 2 2' , , ' , , , , 0 i r r r r r c    
    keywords: k n; n n
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        item: #562 of 1022
          id: fis-214
      author: User
       title: Microsoft Word - numero 25 art 14
        date: 2013-04-09
       words: 4474
      flesch: 65
     summary: Kinked crack; Crack size effect; Fatigue crack growth; Fatigue threshold; Microstress field. Now, for a zig-zag crack with slant angle  , we have : n i 1 i d 1 2 cosds dl ddN dNn 2   (13) Kinetics of fatigue crack growth Now let us apply the Paris law to the periodically-kinked crack : m eq ds C k dN   (14) where C and m are material constants.
    keywords: crack; fatigue
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        item: #563 of 1022
          id: fis-2146
      author: User
       title: Microsoft Word - 2146
        date: 2018-12-01
       words: 3991
      flesch: 53
     summary: T F A. Chouiter et alii, Frattura ed Integrità Strutturale, 47 (2019) 30-38; DOI: 10.3221/IGF-ESIS.47.03 37 Figure 7: Cycle life of expansion bellow. Figure 6: Two-dimensional model of wall expansion bellow.
    keywords: bellows; damage; exchanger; expansion; method; pressure; shell; tube
       cache: fis-2146.pdf
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        item: #564 of 1022
          id: fis-2148
      author: User
       title: Microsoft Word - numero_46_art_26
        date: 2018-09-27
       words: 5560
      flesch: 61
     summary: A performance index, considering both strength and weight of tiles, was introduced and the comparison with specimens extracted from traditional unreinforced tiles demonstrated that the considered reinforcement increases the structural characteristics of stone tiles up to an order of magnitude. KEYWORDS. Natural stone is a material that presents durableness over time and high aesthetic characteristic, but it is brittle and its tensile strength is significantly lower than compressive one: these peculiarities must be taken into account for material usage; in fact, for applications requiring high flexural and tensile strength, as thin sections or long spans, the particular mechanical behavior of the natural stone constitutes an issue to be overcome.
    keywords: af163; composite; core; diab; fibrelam; granite; marble; p60; stone; thickness
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        item: #565 of 1022
          id: fis-2150
      author: User
       title: Microsoft Word - numero_46_art_33
        date: 2018-09-27
       words: 4964
      flesch: 54
     summary: CFRP plate reinforcement includes the mutual contact of three materials, i.e., contact between CFRP plate and binding materials and contact between binding materials and concrete. In this study ANSYS was used for simulating and analyzing embedded CFRP plate consolidated reinforced beams.
    keywords: beams; cfrp; cfrp plate; concrete; element; failure; performance; plate; reinforcement; shear; strengthening
       cache: fis-2150.pdf
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        item: #566 of 1022
          id: fis-2152
      author: Politecnico
       title: Shot Peening Processes to obtain Nanocrystalline surfaces in metal alloys:
        date: 2018-09-26
       words: 3611
      flesch: 55
     summary: [15] Kano H., Morikawa H. (2007), Condition rating methodology on RC bridges with chloride induced deterioration, In Reliability and Optimization of Structural Systems: Assessment, Design, and Life-Cycle Performance, Taylor & Framcis Group, pp. 113 -122 [16] Kušar M., Šelih J., (2014) Analysis of bridge condition on state road network in Slovenia. The same approach should be applied to concrete bridges networks.
    keywords: bridge; concrete; condition; damage; doi; integrità; method; stochino; strutturale
       cache: fis-2152.pdf
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        item: #567 of 1022
          id: fis-2153
      author: Politecnico
       title: Shot Peening Processes to obtain Nanocrystalline surfaces in metal alloys:
        date: 2018-12-02
       words: 3972
      flesch: 52
     summary: This figure also shows three classifications of structural systems: a suspension system, beam systems, and an arch system. This study aims to extend these principles to construction systems.
    keywords: bridge; construction; efficiency; method; structure; suspension; system
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        item: #568 of 1022
          id: fis-2155
      author: User
       title: Microsoft Word - numero_46_art_21
        date: 2018-09-26
       words: 8366
      flesch: 64
     summary: Microsoft Word - numero_46_art_21 L.U. Argiento et alii, Frattura ed Integrità Strutturale, 46 (2018) 226-239; DOI: 10.3221/IGF-ESIS.46.21 226 Design of Civil Environmental Engineering Formulating the in-plane frictional resistances and collapse mechanisms for multi-storey masonry block walls L.U. Argiento, A. Maione, C. Casapulla University of Napoli Federico II, Department of Structures for Engineering and Architecture, Italy lucaumberto.argiento@unina.it arch.maione@gmail.com casacla@unina.it ABSTRACT. Citation: Argiento, L.U, Maione, A., Casapulla, C., Formulating the in-plane frictional resistances and collapse mechanisms for multi-storey masonry block walls, Frattura ed Integrità Strutturale, 46 (2018) 226-239.
    keywords: block; crack; doi; load; masonry; model; n h; n n; storey; wall
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        item: #569 of 1022
          id: fis-2156
      author: User
       title: Microsoft Word - numero_46_art_36
        date: 2018-09-27
       words: 4170
      flesch: 53
     summary: In addition, this paper utilizes the finite element software Abaqus to carry out numerical simulation of the eccentrically loaded RPC filled square steel tubular columns, which provides a theoretical basis for engineering practice. In order to study the mechanical behavior of reactive powder concrete (RPC) filled square steel tubular columns, this paper designs an eccentric compression experiment for 12 specimens of RPC filled square steel tubular columns and studies the effects of failure form, load-displacement curve, slenderness ratio, steel ratio and eccentricity ratio of an eccentrically loaded columns on its mechanical behavior.
    keywords: bearing; capacity; columns; concrete; ratio; results; rpc; specimens; square; steel
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        item: #570 of 1022
          id: fis-2158
      author: User
       title: Microsoft Word - numero_46_art_32
        date: 2018-09-27
       words: 4418
      flesch: 54
     summary: Meanwhile, a large number of concrete CT tests were carried out in China, and abundant research results were obtained: academician Chen Houqun using CT real time scanning to observe the meso failure process of concrete under the uniaxial compression, then the whole process CT images of internal meso cracks from initiation, expansion to coalescence was got, finally, quantitative analysis methods based on concrete CT images was established in the cracks area. The rapid increase of concrete pore volume and damage variable can be the precursor of concrete damage.
    keywords: concrete; cracks; damage; images; liu; loading; process; scanning; specimens; test
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        item: #571 of 1022
          id: fis-216
      author: User
       title: Microsoft Word - numero 25 art 16
        date: 2013-04-09
       words: 3852
      flesch: 53
     summary: F.A. Díaz et alii, Frattura ed Integrità Strutturale, 25 (2013) 109-116; DOI: 10.3221/IGF-ESIS.25.16 109 Special Issue: Characterization of Crack Tip Stress Field Application of thermoelastic stress analysis for the experimental evaluation of the effective stress intensity factor Francisco A. Díaz Universidad de Jaén, Departamento de Ingeniería Mecánica y Minera, Campus las Lagunillas, Edificio A3, 23071, Jaén, Spain Eann A. Patterson University of Liverpool, School of Engineering, Harrison Hughes Building, The Quadrangle, Liverpool L69 3GH, UK John R. Yates University of Manchester, School of Mechanical, Aerospace and Civil Engineering, George Begg Building, Manchester, M60 1QD, UK ABSTRACT. [5] Dulieu-Smith, S.M., Alternative calibration techniques for quantitative thermoelastic stress analysis, Strain, 31 (1995) 9-16.
    keywords: crack; fatigue; figure; load; strain; stress; technique; tip; tsa
       cache: fis-216.pdf
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        item: #572 of 1022
          id: fis-217
      author: User
       title: Microsoft Word - numero 25 art 17
        date: 2013-04-09
       words: 2674
      flesch: 59
     summary: MESH INFLUENCE further problem regarding the numerical assessment of non-local effective stress is the sensibility of results to the elements dimension. This paper presents a numerical method for non-local stress assessment by means of a general FE tool and the local stress field.
    keywords: int; stress; sum; σeff
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        item: #573 of 1022
          id: fis-2172
      author: User
       title: Microsoft Word - numero_46_art_28
        date: 2018-09-27
       words: 6099
      flesch: 59
     summary: The fatigue crack growth behavior of welded joints API X70 pipeline steel affected by variation of microstructure, weld materials and the loading parameter. Fatigue crack propagation in base metal BM, weld metal WM and heat affected zone HAZ of welded joints of an API X70 pipeline steel was investigated.
    keywords: api; crack; doi; energy; fatigue; fatigue crack; joints; materials; metal; microstructure; pipeline; propagation; steel; weld; x70; zone
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        item: #574 of 1022
          id: fis-2173
      author: User
       title: Microsoft Word - 2173
        date: 2018-12-03
       words: 11358
      flesch: 61
     summary: In that case, the deformed cut CR would attain one of the configurations of Fig. 3, depending on the sign of ε and stresses would appear in the cut CR due to ε, given as [20]: 2 2 2 2 1 2 2 2 2 1 1 2 2 2 2 2 12 1 2 1 ( ) ( ) log log1log log ( 2 ) r R R R R R R R r Rr R R R R                   (11) 2 2 2 2 1 2 2 2 2 1 1 2 2 2 2 2 12 1 2 1 ( ) ( ) log log1log log 1 ( 2 ) R R R R R R R r Rr R R R R                     (12) ( ) 0r   (13) S. K. Kourkoulis et alii, Frattura ed Integrità Strutturale, 47 (2019) 247-265; DOI: 10.3221/IGF-ESIS.47.19 252 From Eqns.   2 2 1 2 2 2 2 22 1 2 1 2 1 ( 2 ) 0 2 ( ) log R RP Rh R R R R R                 (10) one arrives at the first problem in question for the NCSR under bending by transverse forces –P, P applied to its straight edges.
    keywords: csr; cut; field; fig; r r; stress; tensile; test; transverse
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        item: #575 of 1022
          id: fis-2176
      author: User
       title: Microsoft Word - 2176
        date: 2018-12-02
       words: 4359
      flesch: 38
     summary: Gehry’s buildings would be defined like “architectural sculptures” than simply like “buildings”: Guggenheim Museum of Bilbao (Fig. 9) or the Nationale-Nederlanden Building of Prague (Fig. 10), are today considered great sculptures more than architectural buildings. A review of research on seismic behavior of irregular building structures since 2002, Bulletin of earthquake Engineering, 6(2), pp. 285-308.
    keywords: architectural; buildings; design; distribution; earthquake; effects; engineering; irregularity; plan; structures
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        item: #576 of 1022
          id: fis-2178
      author: User
       title: Microsoft Word - 2178
        date: 2018-12-19
       words: 6260
      flesch: 60
     summary: [43], Fig. 4b, were used for mode II fracture toughness determination. Strain-energy-density factor applied to mixed mode crack problems, International Journal of Fracture, 10, pp. 305-321.
    keywords: correlation; crack; crdf; displacement; fracture; image; marsavina; mode; thickness; toughness
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        item: #577 of 1022
          id: fis-2179
      author: User
       title: Microsoft Word - numero_46_art_34
        date: 2018-09-27
       words: 6234
      flesch: 53
     summary: Likewise, the increase of testing temperature leads to the increase of elongation. Unlike room temperature testing, the testing procedures at increased temperature of 540C, as well as the specimen geometry are defined by SRPS EN 10002-5 standard, [7].
    keywords: crack; fracture; haz; kic; specimens; stress; temperature; tensile; testing; testing temperature
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        item: #578 of 1022
          id: fis-218
      author: User
       title: Microsoft Word - numero 25 art 18
        date: 2013-04-09
       words: 2612
      flesch: 51
     summary: This paper analyzes the effects of crack tip plastic strains and compressive residual stresses, created by fatigue pre-cracking, on environmentally assisted cracking of pearlitic steel subjected to localized anodic dissolution and hydrogen assisted fracture. The initial crack was modeled as a parallel-sided round-tip slit with initial height b0 = 5 m in agreement with data for fatigue cracks in steels [7].
    keywords: crack; cracking; eac; fatigue; plastic; stress; tip
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        item: #579 of 1022
          id: fis-2188
      author: User
       title: Microsoft Word - 2188
        date: 2018-12-01
       words: 7653
      flesch: 70
     summary: [9] carried out two similar investigations, in which they obtained the SIFs for both through and surface cracks using 3D FEM analysis. Q  parabolic cubic WF FEM WF FEM 0.2 0.2 surface 0.203 0.210 0.142 0.150 deepest 0.470 0.464 0.436 0.445 0.4 surface 0.197 0.202 0.137 0.144 deepest 0.463 0.448 0.428 0.413 0.6 surface 0.195 0.201 0.137 0.143 deepest 0.457 0.451 0.422 0.417 0.8 surface 0.202 0.212 0.142 0.150 deepest 0.454 0.466 0.420 0.429 1 0.2 surface 0.192 0.187 0.130 0.129 deepest 0.868 0.839 0.766 0.750 0.4 surface 0.240 0.235 0.169 0.166 deepest 0.879 0.846 0.789 0.756 0.6 surface 0.337 0.318 0.245 0.247 deepest 0.969 0.991 0.864 0.841 0.8 surface 0.478 0.497 0.358 0.379 deepest 1.132 1.156 0.997 1.008 Table 5: Comparison between the SIFs calculated by the WF and FEM for the parabolic and cubic loading at ratio R0/Ri=1.5. S. Akbari et alii, Frattura ed Integrità Strutturale, 47 (2019) 39-53; DOI: 10.3221/IGF-ESIS.47.04 47 a/c c/B Location KN=KI/  0 .
    keywords: crack; doi; loading; lug; pin; quarter; results; sifs; stress; surface
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        item: #580 of 1022
          id: fis-219
      author: User
       title: Microsoft Word - numero 25 art 19
        date: 2013-04-09
       words: 5117
      flesch: 56
     summary: INTRODUCTION he capability of opposite crack surfaces to contact prematurely at unloading due to particular patterns of the near- tip plastic straining under cyclic loading, the so called plasticity induced crack closure (PICC), is believed to be the intrinsic feature of fatigue crack growth (FCG), cf., e.g., the Overview [1], although not everybody involved in fatigue studies shares this conviction [2-4]. Up to date, among available analyses of fatigue cracks, some of them have not accounted for large deformations (such as, e.g., [13, 15, 16]), whereas others (e.g., [14, 17-24]), although fulfilling this deficiency, presented partial data about cracks under cyclic loading.
    keywords: closure; crack; fatigue; fcg; growth; loading; material; picc; plastic; strain; tip
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        item: #581 of 1022
          id: fis-2190
      author: User
       title: Microsoft Word - 2190
        date: 2019-02-27
       words: 3620
      flesch: 50
     summary: On low energy impacts, the effect of the insert fibre and of the previous impact are quite reduced, while for impact energies above 6J, previous impacts reduce significantly the recovered energy and the impact energy for which the perforation was achieved. For this type of impact energy multiaxial glass fibre mesh has the lower recovered energy, which is quite similar for the other two insert mats.
    keywords: composites; doi; energy; fibre; glass; impact; insert; mat; tests
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        item: #582 of 1022
          id: fis-2191
      author: User
       title: Microsoft Word - 2191
        date: 2019-03-01
       words: 3737
      flesch: 49
     summary: Mechanical properties; Short fiber composites; Machinability of composites. Improving compression-afterimpact performance of carbon–fiber composites by CNTs/thermoplastic hybrid film interlayer.
    keywords: composites; cutting; doi; fiber; fig; machining; speed; surface; temperature; tensile
       cache: fis-2191.pdf
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        item: #583 of 1022
          id: fis-2195
      author: User
       title: Microsoft Word - 2195
        date: 2019-03-09
       words: 5160
      flesch: 66
     summary: Although the increase of crack closure, the crack growth increases the plastic CTOD range, which results from the effect of crack length on crack tip stresses. - the increase of crack length and, therefore, of crack tip stresses and p.
    keywords: closure; crack; ctod; fatigue; growth; notch; plane; plastic; state; strain; stress
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        item: #584 of 1022
          id: fis-2196
      author: User
       title: Microsoft Word - numero_46_art_35
        date: 2018-09-27
       words: 4087
      flesch: 52
     summary: Review of non destructive testing methods for condition monitoring of concrete structures, J. Constr. Amplitude and phase measurements of continuous diffuse fields for structural health monitoring of concrete structures, NDT&E International, 77, pp.
    keywords: concrete; crack; deformation; doi; fig; impact; impulse; model; shardakov; structure; vibration
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        item: #585 of 1022
          id: fis-2197
      author: User
       title: Microsoft Word - 2197
        date: 2019-03-01
       words: 9618
      flesch: 62
     summary: Three adhesives were tested, in order of increasing ductility: Araldite® AV138, Araldite® 2015 and Sikaforce® 7752. 1. Figure 1: Example of - curves of the adhesives Araldite® AV138, Araldite® 2015 and Sikaforce® 7752.
    keywords: adhesive; araldite; av138; crack; dlj; doi; fracture; joints; mode; shear; sikaforce; slj; specimens; tests
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        item: #586 of 1022
          id: fis-2202
      author: User
       title: Microsoft Word - 2202
        date: 2019-03-05
       words: 7020
      flesch: 62
     summary: Damage mechanisms depending on stress combinations, loading interaction effects, sequence effects, and cyclic plasticity are some of the many variables needed to be considered to assess fatigue damage in multiaxial loading conditions. This damage accumulation rule computes fatigue damage block by block and adds the damage linearly, as shown in Eq.
    keywords: amplitude; damage; doi; fatigue; life; loading; method; plane; reis; shear; ssf; strain; stress
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        item: #587 of 1022
          id: fis-2208
      author: User
       title: Microsoft Word - 2208
        date: 2018-12-17
       words: 3986
      flesch: 54
     summary: FSW welding tool, [9]. Welding process parameters The material used for welding tools is ordinary steel.
    keywords: fig; friction; fsw; material; parameters; speed; stir; test; tool; welding
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        item: #588 of 1022
          id: fis-221
      author: User
       title: Microsoft Word - numero 25 art 21
        date: 2013-04-09
       words: 3820
      flesch: 58
     summary: This work presents a novel methodology for characterising fatigue cracks under biaxial conditions. Then a new method for measuring displacement and strain crack-tip fields on fatigue cracks grown following the previous procedure is shown.
    keywords: crack; dic; displacement; fatigue; fig; hole; strain; technique
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        item: #589 of 1022
          id: fis-2210
      author: User
       title: Microsoft Word - 2210
        date: 2019-03-10
       words: 8636
      flesch: 69
     summary: Furthermore, to evaluate the characteristics of mixed mode fatigue crack, it is necessary to introduce the comparative stress intensity factor Kv considering mode I and mode II simultaneously. Mixed mode fatigue crack: a literature survey, Engineering Fracture Mechanics, 55 (6), pp.
    keywords: crack; direction; fatigue; fracture; loading; mode; solution; specimen; values
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        item: #590 of 1022
          id: fis-2219
      author: User
       title: Microsoft Word - 2219
        date: 2019-02-24
       words: 5171
      flesch: 61
     summary: Rubber; Highly deformable materials; Crack path; Strain rate; Crack tip splitting. Citation: Brighenti, R., Carpinteri, A., Artoni, F., Crack paths in soft thin sheets, Frattura ed Integrità Strutturale, 48 (2019) 1 -9. Finite strain analysis of crack tip fields in incompressible hyperelastic solids loaded in plane stress.
    keywords: crack; deformation; doi; field; fig; materials; strain; stress; tip
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        item: #591 of 1022
          id: fis-222
      author: User
       title: Microsoft Word - numero 25 art 22
        date: 2013-04-09
       words: 3074
      flesch: 61
     summary: Plasticity induced crack closure is one of the most important mechanisms of crack closure, but is still a hotly debated subject. [13] Withers, P.J., Lopez-Crespo, P., Steuwer, A., Buslaps, T., Why do fatigue cracks slow after overload under plane strain?
    keywords: crack; fatigue; kmin; overload; plane; strain; stress; tip
       cache: fis-222.pdf
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        item: #592 of 1022
          id: fis-2222
      author: User
       title: Microsoft Word - 2222
        date: 2018-12-02
       words: 4185
      flesch: 54
     summary: Figure 3: True triaxial experimental system for liquid nitrogen fracturing. Shale fracturing experiment assisted by liquid nitrogen A true triaxial experimental system was used for liquid nitrogen fracturing test.
    keywords: face; fracturing; freezing; liquid; nitrogen; pressure; sample; shale; stress; time
       cache: fis-2222.pdf
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        item: #593 of 1022
          id: fis-2229
      author: User
       title: Microsoft Word - 2229-Article Text (.docx, max 100 Mb)-9975-1-18-20190301
        date: 2019-03-02
       words: 6316
      flesch: 55
     summary: Therefore the comparison between fatigue models was evaluated qualitatively and quantitatively. This approach can be applied for fatigue results from metallic bridge materials to allow the comparison of experimental fatigue data from distinct mean stresses.
    keywords: astm; curve; data; fatigue; kohout; law; logistic; model; power; region; věchet
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        item: #594 of 1022
          id: fis-223
      author: Pc
       title: Microsoft Word - numero 25 art 23
        date: 2013-04-11
       words: 2737
      flesch: 64
     summary: Az z z CB ln(z)z Dz z z ln(z)E            (1)                      (11) APPLICATION OF THE MODEL TO MIXED MODE CRACK GROWTH hus far, the model has been tested against limited data obtained from an inclined crack in a 2mm thick 2024-T6 aluminium CT specimen with non-standard dimensions, which is shown in Fig.
    keywords: crack; mode; stress;  
       cache: fis-223.pdf
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        item: #595 of 1022
          id: fis-2232
      author: User
       title: Microsoft Word - 2232
        date: 2018-12-04
       words: 7656
      flesch: 58
     summary: By examining the curves of the plot it emerges a similar value in terms of peak load and post-peak behavior. In particular, considering the attainment of the slip s1 at the lower interface (generally, the lower interface exhibits higher values of shear stresses than the upper interface), the following conditions are indeed enforced:         1 0 0 0 0 0 p e c e c i L s L s        (14)
    keywords: d s; e d; e e; interface; mortar; s dx; s k; s l; s s
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        item: #596 of 1022
          id: fis-2233
      author: User
       title: Microsoft Word - ECF22_206 AS
        date: 2018-12-05
       words: 11055
      flesch: 59
     summary: No. of stress case Description Vxx Vyy Cxy rxx,yy rxx,xy ryy,xy 1 Biaxial tension (correlated) 3 3 0 1 0 0 2 Biaxial tension (not correlated) 3 3 0 0 0 0 3 Bending-torsion (correlated) 3 0 1 0 1 0 4 Bending-torsion (not correlated) 3 0 1 0 0 0 Table 2: Variance and correlation degree characterizing the biaxial stress states considered in numerical simulations. Cases 3A, 3B and 3C emphasize the effect of different materials under the same tension-torsion loading (stress case 3).
    keywords: analysis; benasciutti; case; damage; doi; domain; fatigue; frequency; hydrostatic; loading; material; matrix; method; pbp; psd; stress; tension; torsion
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        item: #597 of 1022
          id: fis-2234
      author: User
       title: Microsoft Word - 2234
        date: 2018-12-04
       words: 4771
      flesch: 55
     summary: Fatigue crack propagation; Marble; Quasi-brittle behaviour, Thermal cycles. It can be seen how the latter is mostly inside the region of FPZ generation, revealing that a significant level of damage (corresponding to a large FPZ) ahead of the notch tip is required for fatigue crack propagation.
    keywords: crack; curve; experimental; fatigue; fracture; loading; marble; model; point; specimens; tests
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        item: #598 of 1022
          id: fis-2236
      author: User
       title: Microsoft Word - 2236
        date: 2018-12-04
       words: 4513
      flesch: 58
     summary: The effects of crack surface friction and roughness on crack tip stress fields, Int. A model for sliding mode crack closure part II: mixed mode I and II loading and application, Eng.
    keywords: crack; doi; effect; fracture; interface; roughness; stress; surface
       cache: fis-2236.pdf
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        item: #599 of 1022
          id: fis-2237
      author: User
       title: Microsoft Word - 2237
        date: 2018-12-04
       words: 5490
      flesch: 58
     summary: NANOCRACKING IN SILICON s is well-known, tensile strength and fracture toughness are fundamental mechanical properties. Measurement for fracture toughness of single crystal silicon film with tensile test, Sensors Actuators, A Phys., 119(1), pp.
    keywords: crack; doi; fracture; material; nanoscale; pre; silicon; specimens; stress; theory; toughness
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        item: #600 of 1022
          id: fis-2241
      author: A Lousdad
       title: fis-2241
        date: 2019-03-05
       words: 6660
      flesch: 59
     summary: Finite element method and experimental investigation on the residual stress fields and fatigue performance of cold expansion hole, Materials and Design, 31, pp. DOI:10.1016/j.matdes.2009.06.024 [9] Amrouche, A., Mesmacque, G., Garcia, S. and Talha, A. (2003), Cold expansion effect on the initiation and the propagation of the fatigue crack, International Journal of Fatigue, 25, pp. 949–954.
    keywords: cold; degree; doi; expansion; figure; hole; increase; results; stresses; thickness; yield
       cache: fis-2241.pdf
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        item: #601 of 1022
          id: fis-2242
      author: User
       title: Microsoft Word - 2242
        date: 2018-12-18
       words: 7776
      flesch: 68
     summary: i i ii y y y m m m y y mm                                                            (26)   1 1 5 1 3 1 2 1 1 3 2 1 5 1 sin( ) sin( ) 1 1 cos i i i i i y y m                      (24) Similarly, by substituting of 1 aiy y and 1 0z  in the first derivative of (18) with respect to 1z , one obtains   1 1 1 3 1 3 1 cos( ) cos i i i m m di
    keywords: beam; crack; delamination; energy; material; strain; y y
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        item: #602 of 1022
          id: fis-2253
      author: Politecnico
       title: Shot Peening Processes to obtain Nanocrystalline surfaces in metal alloys:
        date: 2019-02-26
       words: 4744
      flesch: 56
     summary: Figure 3: Damage evolution of surface strain field in Brazilian test. Study on the evolution characteristics of surface strain field during the process of rock failure, Chinese Journal of Rock Mechanics and Engineering, 25(3), pp.590-595.
    keywords: damage; direction; evolution; field; image; rock; strain; test
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        item: #603 of 1022
          id: fis-2255
      author: Politecnico
       title: Shot Peening Processes to obtain Nanocrystalline surfaces in metal alloys:
        date: 2019-06-20
       words: 5634
      flesch: 58
     summary: The surrounding rock pressure was loaded at a rate of 0.1MPa/s, and the axial force is subject to displacement control, with a loading rate of 0.002mm/s. Comparison and verification of rock brittleness indices under different surrounding rock pressures [7] argue that rock brittleness is characterized by low elongation or low strain value due to the lack of ductility or compressibility.
    keywords: brittleness; brittleness index; index; indices; peak; pressure; rock; rock brittleness; strain; stress
       cache: fis-2255.pdf
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        item: #604 of 1022
          id: fis-2258
      author: User
       title: Microsoft Word - 2258
        date: 2019-03-05
       words: 6194
      flesch: 51
     summary: Microsoft Word - 2258 J. Prawin et alii, Frattura ed Integrità Strutturale, 48 (2019) 513-522; DOI: 10.3221/IGF-ESIS.48.49 513 Focused on “Showcasing Structural Integrity Research in India” Damage localization of closing cracks using a signal decomposition technique J. Prawin, A. Rama Mohan Rao CSIR Structural Engineering Research Centre, India prawinpsg@gmail.com, http://orcid.org/0000-0002-7579-025X arm2956@yahoo.com, http://orcid.org/0000-0002-6405-3633 ABSTRACT. The presence of fatigue-breathing crack or closing cracks is usually characterised by the presence of sub and super- harmonics in the response of the structure subjected to harmonic excitation.
    keywords: beam; closing; components; crack; damage; excitation; fig; harmonic; index; noise; response
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        item: #605 of 1022
          id: fis-2260
      author: User
       title: Microsoft Word - 2260
        date: 2019-02-26
       words: 4675
      flesch: 58
     summary: Microsoft Word - 2260 A. Metehri et alii, Frattura ed Integrità Strutturale, 48 (2018) 152-160; DOI: 10.3221/IGF-ESIS.48.18 152 Effect of crack position and size of particle on SIF in SiC particles reinforced Al composite Aicha Metehri, Madani Kouider, Abdelkader Lousdad University of Sidi Bel Abbes, Faculty of Technology, Department of Mechanical Engineering, Laboratory of Mechanics Physical of Material (LMPM), 22000, Algeria. Figure 2: (a) The schematic of assumed MMC model with crack in particle, (b) finite element mesh of model, (c) spacing particles and interaction of two interfacial cracks, (d) finite element mesh of two cubic particles interaction.
    keywords: crack; effect; intensity; kii; matrix; mode; particle; stress
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        item: #606 of 1022
          id: fis-2261
      author: User
       title: Microsoft Word - 2261
        date: 2019-03-02
       words: 3669
      flesch: 46
     summary: % nano ZrO2 composite. % nano ZrO2 composite is 356.2 MPa.
    keywords: alloy; composites; copper; metal; nano; nano zro2; particulates; properties; zinc; zro2
       cache: fis-2261.pdf
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        item: #607 of 1022
          id: fis-2262
      author: User
       title: Microsoft Word - 2262
        date: 2019-03-07
       words: 3624
      flesch: 54
     summary: Single fiber micro-droplet debond tests are carried out on unsized and CNT grafted carbon fiber epoxy composites at two displacement rates of 0.05 and 5 mm/min. An increase in IFSS is observed by increasing the test speed for both unsized and CNT grafted carbon fiber reinforced epoxy composites.
    keywords: carbon; cnt; cnts; composites; epoxy; fiber; ifss; interfacial; matrix; surface
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        item: #608 of 1022
          id: fis-2264
      author: User
       title: Microsoft Word - 2264
        date: 2018-12-05
       words: 7430
      flesch: 60
     summary: Concerning static loadings, the predictive performance of the tensile strength of PEEK are characterized by a discrepancy to the experimental data in the range of ±10%, the performance range considered acceptable in many studies of a SED database, while, dealing with fatigue loadings, the SED criterion has been shown to summarize fatigue data for different notch geometries within a single narrow scatter band. Fatigue behavior of innovative alloys at elevated temperature, Procedia Struct.
    keywords: approach; behavior; berto; doi; energy; fatigue; notch; peek; peron; radius; sed; strain; stress; tensile
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        item: #609 of 1022
          id: fis-2265
      author: Politecnico
       title: Shot Peening Processes to obtain Nanocrystalline surfaces in metal alloys:
        date: 2019-02-26
       words: 6541
      flesch: 64
     summary: Shotcrete-rock interface; New test method; Direct shear test; Time-dependent behaviors; Interfacial shear properties. Since interfacial shear properties between shotcrete and rock substrate were time-dependent, as well as the compressive strength of shotcrete, there might be some relationships between them.
    keywords: fig; interface; mould; properties; rock; samples; shear; shotcrete; strength; test; time
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        item: #610 of 1022
          id: fis-2266
      author: User
       title: Microsoft Word - 2266
        date: 2019-03-04
       words: 6009
      flesch: 63
     summary: 10 shows the curve of the optimum value of stiffener position with respect to stress gradient  for optimal cross- section stiffener, in terms of relative flexural stiffness, together with results for the optimum location of stiffener determined according to an energy formulation and a sequential quadratic programming algorithm described in Bedair 1997 Figure 10: Optimum value of h / h vs.  for optimal cross-section stiffener.
    keywords: buckling; cross; knum; kth; plate; section; stiffener
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        item: #611 of 1022
          id: fis-2268
      author: User
       title: Microsoft Word - 2268
        date: 2019-03-07
       words: 4782
      flesch: 56
     summary: Figure 3: a) Loading waveform for stress relaxation tests and b) Stress-strain curve for strain hold of 1.3% at 873 K. J. Christopher et alii, Frattura ed Integrità Strutturale, 48 (2019) 554-562; DOI: 10.3221/IGF-ESIS.48.53 558 METHODOLOGY FOR PARAMETRIC OPTIMIZATION he physical constants associated with these models have been determined by the minimization of errors between experimental and predicted relaxation stress vs. hold time data for two different strain hold levels of 1.3 and 2.5% at 873 K for E911 steel. In addition to prediction of relaxation stress vs. hold time data, Model-II describes the evolution of internal stress, inter-barrier spacing and activation volume with the hold time.
    keywords: behaviour; doi; e911; hold; model; rate; relaxation; steel; strain; stress; time
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        item: #612 of 1022
          id: fis-2269
      author: Politecnico
       title: Shot Peening Processes to obtain Nanocrystalline surfaces in metal alloys:
        date: 2019-07-12
       words: 6427
      flesch: 62
     summary: This above behavior can be also followed from the relationship between fatigue crack growth and strain amplitude under FM expressed as da/dN=A (ΔƐin)n a (2) where da/dN=crack propagation rate, ΔƐin=inelastic strain, a=instantaneous crack length and n & A=material constant. On R ratio dependence of threshold stress intensity factor range for fatigue crack growth in type 316(N) stainless steel weld, Mater.
    keywords: acr; crack; fatigue; growth; hcf; lcf; length; life; loading; ratcheting; strain
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        item: #613 of 1022
          id: fis-2270
      author: Politecnico
       title: Shot Peening Processes to obtain Nanocrystalline surfaces in metal alloys:
        date: 2019-03-04
       words: 4122
      flesch: 62
     summary: Fatigue crack growth in 2017A-T4 alloy subjected to proportional bending with torsion, Frattura ed Integrità Strutturale, 42, pp. Shot Peening Processes to obtain Nanocrystalline surfaces in metal alloys: A. Takahashi et alii, Frattura ed Integrità Strutturale, 48 (2018) 473-480; DOI: 10.3221/IGF-ESIS.48.45 473 Focussed on “Crack Paths” Fatigue crack growth simulation of two non-coplanar embedded cracks using s-version finite element method Akiyuki Takahashi, Ayaka Suzuki, Masanori Kikuchi Tokyo University of Science, Japan takahash@rs.noda.tus.ac.jp, 7516629@ed.tus.ac.jp, kik@rs.noda.tus.ac.jp ABSTRACT.
    keywords: crack; crack growth; fatigue; fatigue crack; growth; non
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        item: #614 of 1022
          id: fis-2275
      author: User
       title: Microsoft Word - numero_49_art_47_2275
        date: 2019-06-24
       words: 4283
      flesch: 55
     summary: These plates are mostly made of high chromium cast irons (HCrCIs) and B http://www.gruppofrattura.it/VA/49/2275.mp4 D. Kumar et alii, Frattura ed Integrità Strutturale, 49 (2019) 507-514; DOI: 10.3221/IGF-ESIS.49.47 508 possess high hardness and wear resistance. Vanadium can form vanadium carbide (VC) with Vickers hardness of HV2800 which is much harder than that of M7C3 with Vickers hardness, HV 1200~1800 in high chromium cast iron [7].
    keywords: carbides; cast; chromium; cr26moni; hardness; impact; iron; material; vanadium; wear
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        item: #615 of 1022
          id: fis-2276
      author: User
       title: Microsoft Word - 2276
        date: 2019-02-26
       words: 5624
      flesch: 54
     summary: Every 750 cycles a 1s sequence has been recorded, this is a good compromise between hard disk space and discretization of crack growth. A total dissipated energy theory of fatigue crack growth in ductile solids, Int.
    keywords: crack; crack tip; doi; energy; fatigue; filtering; function; heat; noise; temperature; time; tip; wavelet
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        item: #616 of 1022
          id: fis-2283
      author: User
       title: Microsoft Word - 2283
        date: 2019-03-07
       words: 3980
      flesch: 58
     summary: The variation of low cycle fatigue life with total, plastic and elastic strain amplitudes has been analyzed on the basis of strain-life relationship, which is defined by the following equation:    2 2 2 f b ct f f fN SS 316Ti; Bellows; Low cycle fatigue; Creep-fatigue interaction.
    keywords: bellows; creep; design; doi; fatigue; life; material; strain; stress; tensile
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        item: #617 of 1022
          id: fis-2285
      author: Politecnico
       title: Shot Peening Processes to obtain Nanocrystalline surfaces in metal alloys:
        date: 2019-02-24
       words: 4509
      flesch: 66
     summary: On R ration dependence of threshold stress intensity factor range for fatigue crack growth in type 316(N) stainless steel, Mat. Sci. and Tech., 27, pp. 371-376. Crack growth during low-cycle fatigue of smooth axial specimens, cyclic stress-strain and plastic deformation aspects of fatigue crack growth, ASTM STP, 637, pp.
    keywords: crack; creep; cycle; fatigue; growth; lcf; loading; propagation; rate; tmf
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        item: #618 of 1022
          id: fis-2289
      author: User
       title: Microsoft Word - 2289
        date: 2019-03-08
       words: 6590
      flesch: 76
     summary: I I I II II II II II A u A r G G B r B r G G (6)                                                1 1 1 1 1 1 1 0 1 1 1 1 1 1 2 1 cos 2 cos 2 sin sin 2 2 2 1 cos 2 cos 2 cos cos 2 cos 2 2 I II I I n n II II n n (3)             0 2 0 2 1 1 1 ; sin ; ( cos ) 2 2 2 I II II R R Ru
    keywords: cos; doi; ii ii; mode; notch; nsifs
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        item: #619 of 1022
          id: fis-2291
      author: User
       title: Microsoft Word - 2291
        date: 2019-03-05
       words: 3356
      flesch: 61
     summary: Limit load based evaluation of plastic η factor for C(T) specimen with a mismatched weld R. Nikhil, S.A. Krishnan, G. Sasikala, A. Moitra Materials development and Technology Division, Indira Gandhi Centre for Atomic Research, Kalpakkam 603102, Tamil Nadu, India rnikhil@igcar.gov.in, sakrish@igcar.gov.in, gsasi@igcar.gov.in, moitra@igcar.gov.in ABSTRACT. Citation: Nikhil, R., Krishnan, S.A., Sasikala, G., Moitra, A., Limit load based evaluation of plastic η factor for C(T) specimen with a mismatched weld, Frattura ed Integrità Strutturale, 48 (2019) 523-529.
    keywords: c(t; doi; fracture; load; plastic; values; weld
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        item: #620 of 1022
          id: fis-2293
      author: User
       title: Microsoft Word - numero_50_art_1_2293
        date: 2019-07-09
       words: 4004
      flesch: 53
     summary: [9] we obtained the relation to calculate the energy of plastic deformation as a consequence, energy dissipation at fatigue crack tip:    2 21 2 ,totp daU W A W A dN    (1) where Aτ– stress amplitude. An approximation for the energy dissipation at fatigue crack tip was proposed.
    keywords: crack; dissipation; energy; fatigue; heat; loading; plastic; rate; strain; stress; tip
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        item: #621 of 1022
          id: fis-2294
      author: User
       title: Microsoft Word - 2294
        date: 2019-03-03
       words: 4474
      flesch: 54
     summary: Monitoring of energy dissipation during fatigue crack propagation can give significant information about the kinetics of deformation processes and the current crack propagation rate [5-8]. EXPERIMENTAL SETUP wo types of experiments were carried out to analyze energy dissipation under fatigue crack propagation in metals.
    keywords: amplitude; crack; dissipation; energy; factor; fatigue; intensity; loading; plastic; stress;  
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        item: #622 of 1022
          id: fis-2296
      author: User
       title: Microsoft Word - 2296
        date: 2019-02-24
       words: 3861
      flesch: 55
     summary: At the first stage, the power of heat flux is proportional to the product of the crack rate by the crack length. The measurement of heat flux near the crack tip allows one to calculate the energy balance during crack propagation and to develop a new equation for its description.
    keywords: crack; dissipation; energy; fatigue; flux; heat; heat flux; loading; propagation; sensor
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        item: #623 of 1022
          id: fis-2297
      author: User
       title: Microsoft Word - 2297
        date: 2019-03-05
       words: 5650
      flesch: 61
     summary: Finally, the boundary conditions (8) and (9) in the inner problem formulation (7), lead to the solution of the following system of the singular integral equations following from the above mentioned transformations of (10) ( ) ( ) ( ) ( ) ( ) ( ) 1 ( 0 ) 1 ˆ ˆ ˆ ˆ ˆ ˆ ˆ ˆˆˆ 1 0 2ˆ ˆ ˆ ˆ ˆˆ ˆ ˆ; ; d ˆˆ1 yy X XYY Y YYY T X B H X B H X X m e p k é ùæ ö÷çê ú= X X + X + X X÷ç ÷çê úè ø+ -Xë û ò , (24) ( ) ( ) ( ) ( ) ( ) ( ) 1 ( 0 ) 1 ˆ ˆ ˆ ˆ ˆ ˆ ˆ ˆˆ̂ 1 0 2ˆ ˆ ˆ ˆ ˆˆ ˆ ˆ; ; d ˆˆ1 xy X XXY Y YXY T X B H X B H X X m e p k é ùæ ö÷çê ú= X + X + X X X÷ç ÷çê úè ø+ -Xë û ò (25) and integral equations ensuring the closed crack tips ( ) ( ) 1 1 ˆ ˆ 0 0 The functions ( )ˆ ˆYc X and ( )ˆ ˆXc X are continuous in the interval ( )ˆ 0,1XÎ and approximated by Jacobi polynomials.
    keywords: crack; h k; n h; n n; q q
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        item: #624 of 1022
          id: fis-2299
      author: User
       title: Microsoft Word - numero_49_art_48_2299
        date: 2019-06-24
       words: 4891
      flesch: 57
     summary: he vibration in the ALIP sets the waveguide also into vibration and the welded region experiences maximum alternating stress cycles. The second part, which is the solution of particular integral, is stabilized stress cycle with same frequency as the frequency of excitation.
    keywords: alip; body; fatigue; frequency; life; stress; vibration; waveguide; weld
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        item: #625 of 1022
          id: fis-2304
      author: Politecnico
       title: Shot Peening Processes to obtain Nanocrystalline surfaces in metal alloys:
        date: 2019-02-26
       words: 3593
      flesch: 56
     summary: The arrow indicates the direction of fatigue crack propagation. In order to elucidate the cause of high fatigue strength of precipitation hardened steel, evaluation on strain gage data was conducted.
    keywords: class; crack; fatigue; mpa; notch; precipitation; steel; strength
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        item: #626 of 1022
          id: fis-2306
      author: Politecnico
       title: Shot Peening Processes to obtain Nanocrystalline surfaces in metal alloys:
        date: 2019-08-27
       words: 5929
      flesch: 47
     summary: Crystal plasticity models are developed with dislocation density as internal state variable to investigate the plasticity in BCC materials by Zerilli et al. Flow rule is defined by Eqn. 1, 2 & 3, Eqn. 4 to 10 define the hardening behavior, Eqn. 12 defines the evolution of dislocation density and Eqn. 13 and Eqn.
    keywords: bcc; defects; density; dislocation; distribution; doi; irradiation; material; model; plasticity; stress; temperature
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        item: #627 of 1022
          id: fis-2309
      author: User
       title: Microsoft Word - numero_49_art_41_2309
        date: 2019-06-27
       words: 3537
      flesch: 50
     summary: This study shows that knurled interference fit connections, joined by forming, achieve a higher fatigue strength and a higher maximum static torque than connections joined by cutting. KEYWORDS. The most important parameter is the chamfer angle of the knurled hub, which determines the rate of strain hardening in the material and differs between the cutting and forming joining processes.
    keywords: fatigue; figure; fit; hub; interference; joining; kif; knurled; shaft
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        item: #628 of 1022
          id: fis-2318
      author: User
       title: Microsoft Word - numero_49_art_42_2318
        date: 2019-06-22
       words: 9633
      flesch: 60
     summary: The number of approaches to predict the strength of adhesive joints has increased over the years. The aeronautical, naval, automotive and aerospace industries are good examples where adhesive joints are widely applied.
    keywords: adhesive; araldite; av138; crack; criteria; damage; doi; failure; joints; sikaforce; stresses; tp2; xfem
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        item: #629 of 1022
          id: fis-2319
      author: HYY
       title: Microsoft Word - numero_49_art_49_2319
        date: 2019-06-24
       words: 3974
      flesch: 55
     summary: The reduction in the rate of crack growth beyond 6 mm is due to the influence of low KI value. [5-6]. Figure 4: Benchmark data for pipe bend geometry
    keywords: bend; crack; data; fcg; geometry; growth; pipe; plate; specimen; stress
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        item: #630 of 1022
          id: fis-2322
      author: Politecnico
       title: Shot Peening Processes to obtain Nanocrystalline surfaces in metal alloys:
        date: 2019-03-05
       words: 5239
      flesch: 52
     summary: The effect of Cr coating on corrosion fatigue of AH 32 steel mainly reflects in extending the crack initiation life for its better corrosion resistance. While the effect of Zn coating on corrosion fatigue lies in not only inhibiting the initiation of corrosion fatigue but also restraining crack propagation as cathodic protection materials.
    keywords: coating; corrosion; corrosion fatigue; crack; doi; effect; fatigue; journal; life; propagation; steel; stress; surface
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        item: #631 of 1022
          id: fis-2323
      author: User
       title: Microsoft Word - 2323
        date: 2018-12-05
       words: 5849
      flesch: 61
     summary: Such a validation exercise allowed us to demonstrate that the extension of the SED approach as proposed in the present paper is capable of accurately estimating fatigue damage in notched components subjected to in- service VA fatigue loading. In order to predict in-service lifetime of notched components under VA loading, it is important to make use of specific methods suitable for taking into account the way fatigue damage accumulates itself.
    keywords: cds; cus; damage; fatigue; loading; notch; radius; sed; specimens; stress
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        item: #632 of 1022
          id: fis-2324
      author: User
       title: Microsoft Word - 2324
        date: 2019-02-24
       words: 5491
      flesch: 62
     summary: In the case of theoretical prediction for creep crack growth rate in extensive creep conditions used the steady-state values of C*- integral and corresponding expression for creep stress intensity factor crK for C(T) specimen in the following form [14,15] V. Shlyannikov et alii, Frattura ed Integrità Strutturale, 48 (2019) 77-86; DOI: 10.3221/IGF-ESIS.48.10 85      1 * 1 1 crn s P C B w a h q b w a        In the case of ductility based model, there is a tendency for creep damage to localize only at the blunted part of the notch.
    keywords: cr cr; crack; creep; damage; rate; shlyannikov; stress
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        item: #633 of 1022
          id: fis-2326
      author: User
       title: Microsoft Word - 2326
        date: 2019-02-24
       words: 5588
      flesch: 49
     summary: The crack path in fuselage panel under mixed mode biaxial loading Alexander Zakharov, Valery Shlyannikov, Andrey Tumanov Institute of Power Engineering and Advanced Technologies, FRC Kazan Scientific Center, Russian Academy of Sciences, Russia alex.zakharov88@mail.ru, https://orcid.org/0000-0003-3568-1427 shlyannikov@mail.ru, https://orcid.org/0000-0003-2468-9300 tymanoff@rambler.ru ABSTRACT. The plastic stress intensity factor (SIF) concept is here applied to estimate the critical crack size in fuselage panel under biaxial loading.
    keywords: biaxial; crack; elastic; elements; fracture; fuselage panel; loading; model; plastic solution; sif; solution; stress; tip
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        item: #634 of 1022
          id: fis-2329
      author: User
       title: Microsoft Word - 2329
        date: 2018-12-15
       words: 4124
      flesch: 52
     summary: In the present study, the above theoretical concept has been applied in numerical analysis, and the strain-displacement cyclic behavior of timber beam has been graphically shown, in order to understand timber beam seismic response. The innovation of this paper is to develop cycling graphs by using ABAQUS, to improve design of timber frame and give an adequate explanation of seismic behavior of timber beam.
    keywords: analysis; beam; displacement; doi; frame; load; numerical; strain; timber
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        item: #635 of 1022
          id: fis-2330
      author: User
       title: Microsoft Word - 2330
        date: 2019-02-27
       words: 4220
      flesch: 49
     summary: Several experimental debonding tests on a concrete block externally plated with GFRP pultruded laminate have been performed for validation purposes at the Design Machine Laboratory of the University of Salerno. The experimental methodology was validated within experimental tests on debonding failure of concrete blocks reinforced with GFRP pultruded laminate, carried out at the Design Machine Laboratory of the University of Salerno.
    keywords: berardi; composite; concrete; debonding; dic; engineering; frp; strain
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        item: #636 of 1022
          id: fis-2331
      author: Politecnico
       title: Shot Peening Processes to obtain Nanocrystalline surfaces in metal alloys:
        date: 2018-12-14
       words: 7189
      flesch: 57
     summary: With this perspective, the present work aims to introduce an encoded expeditious procedure to evaluate the degree of degradation of drapery mesh systems, assessing their state of conservation. Simple wire mesh drapery systems (Fig. 1.a) are essentially made of metallic nets (wire or ropes) fixed at the top with anchors.
    keywords: anchors; connection; damage; doi; drapery; efficiency; elements; mesh; net; protection; rope; system
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        item: #637 of 1022
          id: fis-2332
      author: User
       title: Microsoft Word - 2332
        date: 2019-03-21
       words: 14491
      flesch: 79
     summary: z t z t f e t t z shtz chtz cht z t z chtz tzshtz chtz tzsht z e t tchtz tzshtz chtz e e tchtz tzshtz chtz t z e t z e ( 2 ) ,z                                                          2 2 1 22 * 2 1 2 1 ( 2 ) ( 2 )1 1 * 2 2 ( 21 1 2 2 2 (1 ) ( 2 ) 2 (1 ) ( 2 ) ( 2 ) ( 2 ) (1 ) 2 2 (1 ) t t t z t z t f e t t z shtz chtz cht z t z chtz t z shtz chtz tzsht z cht z e t tchtz tzshtz chtz e e tchtz tzshtz chtz t z e    ) ( 2 )12 (1 ) ,z t zt z e             N N h z chN h z N h z chN h z shN h z shN h z                  ( 12 ) 1 1 1 * 12 ( ) ( ) ( ) ( ) ( ) ( )N h z shN h z N h z shN h z chN h z chN h z ,                  ( 21) 1 1 1 * 12 ( ) ( ) ( ) ( ) ( ) ( )N h z shN h z N h z shN h z chN h z chN h z ,                   ( 22 ) 1 2 1 1 * 0 04 ( ) ( ) ( ) ( ) ( ) ( )N
    keywords: h z; k k; n t; n z; t t; t z; y z; z e; z z;  ;  ;  ;  ;  ;  ;  ;  
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        item: #638 of 1022
          id: fis-2335
      author: User
       title: Microsoft Word - 2335
        date: 2019-03-02
       words: 3895
      flesch: 49
     summary: B T H. S. Patil et alii, Frattura ed Integrità Strutturale, 48 (2019) 377-384; DOI: 10.3221/IGF-ESIS.48.36 381 Figure 2: Tensile test specimens for welded samples The tensile properties of welded titanium for different joints were measured at room temperature. Welding quality also affects the life of titanium material joint and hence it is desirable to obtain higher quality of welding.
    keywords: fusion; gas; joints; metal; parameters; strength; tensile; tig; titanium; welding; zone
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        item: #639 of 1022
          id: fis-2338
      author: None
       title: fis-2338
        date: 2019-06-27
       words: 5649
      flesch: 63
     summary: Fatigue; Superelastic Alloys; NiTi wires; Life Evaluation INTRODUCTION ndodontic files have been used in dentistry since the middle ages and, as so, the shape, material and operation mode have changed since those days. Fatigue Tests The results for the Strain vs Number of Cycles for the fatigue tests under different levels of strain induced in the 0.58mm and 0.25mm NiTi wires are presented in Fig. 7.
    keywords: alloys; doi; fatigue; life; phase; strain; stress; wire
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        item: #640 of 1022
          id: fis-2342
      author: User
       title: Microsoft Word - 2342
        date: 2019-03-04
       words: 9028
      flesch: 64
     summary: 0 4 8 12 16 20 24 28 0,0 0,2 0,4 0,6 0,8 1,0 1,2 1,4 1,6 1,8 2,0 2,2 J- In te g ra l (J /m 2 ) L(mm) Crack tip A Crack tip B Figure 10: Variation of the J-integral at crack tip Crack tip It is found that due to the presence of multiple crack edge cracks, the stress distribution is relaxed and therefore, the stress intensity factors for all cracks decreased and when the distance between the cracks is increased, interaction is seemed to be diminished and it is can be neglected especially for shallow cracks.
    keywords: angle; crack; crack tip; doi; effect; fgm; figure; integral; interaction; method; notch; plate; stress; variation
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        item: #641 of 1022
          id: fis-2343
      author: User
       title: Microsoft Word - 2343
        date: 2019-03-05
       words: 4805
      flesch: 58
     summary: Most research in this area is aimed at reducing edge stresses and working the central part of the adhesive, which in most cases remains inactive. A et B. Study of the stress distribution for model 1 One knows that the area stressed in the adhesive increase proportionally with applied stress and it is the same for the shearing and peeling stresses.
    keywords: adhesive; joint; layer; length; model; overlap; stresses
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        item: #642 of 1022
          id: fis-2345
      author: User
       title: Microsoft Word - 2345
        date: 2019-03-08
       words: 4937
      flesch: 55
     summary: While in the case of a flat punch with sharp corners, singularity is present at contact edge and asymptotic contact pressure distribution is obtained, the rounding of the corners in a flat with rounded-edge leads to contact pressure falling to zero at the edge of the contact. They proposed that the difference in contact pressure because of different contact geometry was not the contributory factor for different wear rates rather it was attributed to the effect of contact geometry on debris flow in the contact zone.
    keywords: analysis; contact; doi; edge; effect; element; flat; geometry; pressure
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        item: #643 of 1022
          id: fis-2346
      author: User
       title: Microsoft Word - 2346
        date: 2019-03-02
       words: 5084
      flesch: 57
     summary: Prediction of low velocity impact damage in carbon-epoxy laminates, Compos. Citation: Coelho, C.A.C.P., Navalho, F.V.P., Reis, P.N.B., Impact response of laminate cylindrical shells, Frattura ed Integrità Strutturale, 48 (2019) 411-418.
    keywords: carbon; composite; damage; doi; fibres; glass; hybrid; impact; load; response; shells
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        item: #644 of 1022
          id: fis-2355
      author: User
       title: Microsoft Word - 2355
        date: 2019-03-05
       words: 7584
      flesch: 69
     summary: A A A B B B x yx y x x y 2 2 2 3 3 0 0 0 12 66 66 22 22 12 662 2 3 2 ( ) ( 2 ) 0                    s s ss su v v w wA        b s b s xy u v w w w w y
    keywords: b b; b s; s s; w w;  s;  ;  ;  
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        item: #645 of 1022
          id: fis-2356
      author: User
       title: Microsoft Word - 2356
        date: 2019-02-27
       words: 7324
      flesch: 57
     summary: Microsoft Word - 2356 O. A. Mocian et alii, Frattura ed Integrità Strutturale, 48 (2019) 230-241; DOI: 10.3221/IGF-ESIS.48.24 230 Low velocity failure and integrity assessment of foam core sandwich panels Oana Alexandra Mocian, Dan Mihai Constantinescu, Ştefan Sorohan, Marin Sandu University POLITEHNICA of Bucharest, Department of Strength of Materials, 060042 Bucharest, Romania mocianoana@gmail.com, https://orcid.org/0000-0003-3093-7788 dan.constantinescu@upb.ro, https://orcid.org/0000-0001-5400-7804 stefan.sorohan@upb.ro, https://orcid.org/0000-0002-9400-5843 marin.sandu@upb.ro, https://orcid.org/0000-0002-9183-5104 ABSTRACT. This paper experimentally studies damage, failure and energy absorption properties of foam core sandwich panels with aluminum and glass fiber reinforced plastic (GFRP) facesheets subjected to low velocity impact.
    keywords: aluminum; composite; core; damage; doi; energy; facesheets; foam; impact; panels; pur; sandwich; sandwich panels; type; velocity
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        item: #646 of 1022
          id: fis-2357
      author: User
       title: Microsoft Word - numero_49_art_73_2357
        date: 2019-06-27
       words: 4699
      flesch: 59
     summary: Back filling of foam concrete behind abutment is a good method of treatment. Foam concrete; Transition section of road and bridge; Settlement difference; Back filling behind abutment; Mechanical properties.
    keywords: analysis; bridge; concrete; foam; foam concrete; load; road; section; settlement; strength; transition
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        item: #647 of 1022
          id: fis-2358
      author: User
       title: Microsoft Word - numero_49_art_55_2358
        date: 2019-06-26
       words: 6375
      flesch: 64
     summary: A. Saffih and S. Hariri studied elliptical cracks in a cylinder with a thickness transition. Numerical study of elliptical cracks in cylinders with a thickness transition, International Journal of Pressure Vessels and Piping.
    keywords: composite; crack; fig; intensity; mode; pipe; repair; sif; stress; thickness; variation
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        item: #648 of 1022
          id: fis-2363
      author: Politecnico
       title: Shot Peening Processes to obtain Nanocrystalline surfaces in metal alloys:
        date: 2019-03-02
       words: 8070
      flesch: 70
     summary: Kim [10] proposed a method of evaluating bogie frame fatigue strength based on GSFLD, which combines multi-body dynamics with structural strength simulation and verified the accuracy of the evaluation through experiments. Currently, there are many reports about fatigue strength analysis of bogie frame at home and abroad.
    keywords: analysis; bogie; design; fatigue; fatigue strength; frame; strength; stress;  
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        item: #649 of 1022
          id: fis-2364
      author: Politecnico
       title: Shot Peening Processes to obtain Nanocrystalline surfaces in metal alloys:
        date: 2019-03-22
       words: 4827
      flesch: 61
     summary: Citation: Shao Y.H., Lu P.M., Wang B.H., Xiang Q.Y., Fatigue reliability assessment of small sample excavator working devices based on Bootstrap method, Frattura ed Integrità Strutturale, 48 (2019) 757-767. No failure 4179 Mean value 7024.5 Table 1: Fatigue test results of excavator working devices.
    keywords: bootstrap; device; distribution; excavator; fatigue; life; method; reliability; sample; test; working
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        item: #650 of 1022
          id: fis-2386
      author: User
       title: Microsoft Word - numero_49_art_28_2386
        date: 2019-06-10
       words: 3908
      flesch: 57
     summary: The hardening behavior is described by following relation:     0 n k (1) F Contact zone Friction coefficient HDD CDD Blank-Die 0.05 (Presence of fluid) 0.08 (Boundary contact) Blank-Punch 0.1 (Dry contact) 0.1 (Dry contact) Blank-Blank holder 0.08 (Boundary contact) 0.08 (Boundary contact) M. Abbadeni et alii, Frattura ed Integrità Strutturale, 49 (2019) 282-290; DOI: 10.3221/IGF-ESIS.49.28 285 Figure 2: Schematic representation of: (a) conventional deep drawing process and (b) hydromechanical deep drawing process principle. HDD process, illustrated in Fig. 1(b), is one type of sheet hydroforming.
    keywords: blank; deep; doi; drawing; fluid; pressure; process; punch; strain
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        item: #651 of 1022
          id: fis-2395
      author: User
       title: Microsoft Word - 2395
        date: 2019-03-15
       words: 5396
      flesch: 55
     summary: The presented results contribute to fulfill the lack of data which users of FDM printers face when projecting with PLA, contributing to stablish a better balance between strength and ductility/toughness on FDM PLA parts and broadening the scope of application of this environment– friendly material. Water absorption samples consists on coated and uncoated cubes with dimensions of approximately 10 mm, which were fabricated with the printing parameters of Tab. 1.
    keywords: absorption; coatings; doi; fdm; parts; pla; printing; process; properties; samples; water; water absorption
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        item: #652 of 1022
          id: fis-2396
      author: User
       title: Microsoft Word - numero_49_art_59_2396
        date: 2019-06-22
       words: 4418
      flesch: 48
     summary: Homogenized elastic properties of honeycomb sandwich panels with skin effect, Journal Solids and Structures, 39, pp.2153–2188. Parameter identification for aluminum honeycomb sandwich panels based on orthotropic Timoshenko beam theory, Journal Sound Vibration, 208 (2), pp.271–287.
    keywords: core; honeycomb; mm; modal; numerical; parameters; properties; results; sandwich
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        item: #653 of 1022
          id: fis-2399
      author: User
       title: Microsoft Word - numero_49_art_29_2399
        date: 2019-06-09
       words: 3849
      flesch: 55
     summary: WAVELET TRANSFORM Wavelet packet transform he wavelet packet method is a generalization of wavelet decomposition that offers a range of possibilities for signal analysis in wavelet analysis; a signal is broken down into approximations and details. In wavelet packet analysis, details, as well as approximations, can be decomposed.
    keywords: analysis; bearing; defects; diagnosis; fault; neural; wavelet
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        item: #654 of 1022
          id: fis-2403
      author: User
       title: Microsoft Word - numero_50_art_8_2403
        date: 2019-07-16
       words: 10579
      flesch: 64
     summary: [27] analysed the degradation of the adhesive layer used for composite patch repair of cracked aircraft structures. In contrast to these, our study exclusively considers the impact of patch shapes on repair performance from a point of view, level and distribution of the shear stresses in the adhesive layer.
    keywords: adhesive; composite; crack; doi; patch patch; patch repair; patch shape; repair; shapes; shear; stresses; surface
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        item: #655 of 1022
          id: fis-2412
      author: User
       title: Microsoft Word - numero_49_art_33_2412
        date: 2019-06-07
       words: 4245
      flesch: 59
     summary: Considerable research has been done in recent years to develop the technology for bonding composite patches in aeronautical structures. 0 10 20 30 40 50 0 2 4 6 8 10 12 14 J -I n te g ra l ( m j/m m ²) Crack length (mm) Plate unrepaired Plate repaired Figure 5: Variation of the J-Integral as a function of the length of the crack to the damaged plates and repaired by composite patch.
    keywords: adhesive; composite; crack; defect; patch; plate; stresses
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        item: #656 of 1022
          id: fis-2414
      author: User
       title: Microsoft Word - numero_49_art_57_2414
        date: 2019-06-25
       words: 6855
      flesch: 56
     summary: A robust approach for the determination of Gurson model parameters, Frattura ed Integrita Strutturale, 10 (37), pp. 369-381. In the literature, there are consistent methods to determine GTN model parameters, but with a pre-defined hardening laws i.e. without identification of hardening laws in the same processes of GTN parameters determination.
    keywords: damage; doi; ductile; fig; fracture; gtn; hardening; identification; laws; material; model; numerical; parameters; results; specimen; test
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        item: #657 of 1022
          id: fis-2416
      author: User
       title: Microsoft Word - numero_49_art_4_2416
        date: 2019-05-24
       words: 4544
      flesch: 64
     summary: Constraint parameters A and Q show similar behavior. Constraint parameters; Elastic-plastic fracture mechanics.
    keywords: constraint; crack; field; fracture; mechanics; parameter; plastic; stress; tip
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        item: #658 of 1022
          id: fis-2418
      author: User
       title: Microsoft Word - numero_49_art_34_2418
        date: 2019-06-09
       words: 5073
      flesch: 50
     summary: The variation of crack shape factor (a/c) during propagation has an important role on calculation of the stress intensity factor (SIF), where imprecise estimation of this latter can lead us to an inaccurate prediction of failure probabilities. In this work, the effect of crack shape factor on reliability index calculation is considered.
    keywords: crack; depth; doi; factor; fatigue; growth; index; pipeline; point; ratio; reliability; shape; stress; surface
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        item: #659 of 1022
          id: fis-2420
      author: User
       title: Microsoft Word - numero_50_art_10_2420
        date: 2019-07-17
       words: 6316
      flesch: 53
     summary: Time to initiation Time to initiation of stress corrosion crack is considered as a function of damage parameter, Dsigma, which represent effects of loading, environment and material variables on IGSCC. The mean and standard deviation of Log (tI) are given by: Mean value of ( ) ( )sigmaI Dlog4.21 -3.10 -=tLog (5) Standard deviation of ( ) 3081.0=tLog I Crack size at initiation In pc-PRAISE, shape of surface crack initiated due to IGSCC is considered to be semi-elliptical (Fig.2), which is also consistent with shapes of stress corrosion cracks reported by Helie
    keywords: analysis; code; corrosion; crack; cracking; doi; failure; fracture; initiation; leak; piping; praise; probability; reliability; stress
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        item: #660 of 1022
          id: fis-2421
      author: User
       title: Microsoft Word - numero_49_art_58_2421
        date: 2019-06-23
       words: 5171
      flesch: 59
     summary: Inspection and evaluation of corrosion defects are carried out in accordance with ASME/31G method that is applied to low alloyed carbon steels with corrosion defects having soft profiles with low stress concentration. Using the programmable language ANSYS [7], a subroutine was developed and implemented in the main code for the determination of critical point (M*) in the zone of corrosion defect (see figure 4) where microcracks may grow [8].
    keywords: corrosion; corrosion defect; damage; defect; depth; doi; figure; frattura; method; pipe; pressure; strutturale
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        item: #661 of 1022
          id: fis-2422
      author: User
       title: Microsoft Word - numero_50_art_50_2422
        date: 2019-09-09
       words: 3428
      flesch: 52
     summary: [11], according to the model proposed by, tensile properties of fiber-reinforced composites are dependent on fiber strength and modulus, strength and chemical stability of matrix and efficiency of fiber/matrix interfacial bond in transferring loads. The model assumes that, a central core of broken fibers flanked by unbroken fibers which are subject to stress concentrations from the broken fibers.
    keywords: concentration; doi; fibers; matrix; model; strength; stress
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        item: #662 of 1022
          id: fis-2433
      author: User
       title: Microsoft Word - numero_50_art_56_2433
        date: 2019-09-19
       words: 6102
      flesch: 61
     summary: Microsoft Word - numero_50_art_56_2433 J.M. Vasco-Olmo et alii, Frattura ed Integrità Strutturale, 49 (2019) 658-666; DOI: 10.3221/IGF-ESIS.50.56 658 Focused on Crack Tip Fields Experimental characterisation of fatigue crack growth based on the CTOD measured from crack tip displacement fields using DIC J.M. Vasco-Olmo, F.A. Díaz University of Jaén, Spain jvasco@ujaen.es fdiaz@ujaen.es F.V. Antunes University of Coimbra, Portugal Fernando.ventura@dem.up.pt M.N. James University of Plymouth, UK M.James@plymouth.ac.uk ABSTRACT. Citation: Vasco-Olmo, J.M., Díaz, F.A., Antunes, F.V., James, M.N., Experimental characterisation of fatigue crack growth based on the CTOD measured from crack tip displacement fields using DIC, Frattura ed Integrità Strutturale, 49 (2019) 658-666.
    keywords: crack; crack tip; ctod; displacement; fatigue; fig; growth; loading; plastic; tip
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        item: #663 of 1022
          id: fis-2447
      author: User
       title: Microsoft Word - numero_49_art_24_2447
        date: 2019-06-05
       words: 7247
      flesch: 50
     summary: Present study includes an analysis of the models of elastoplastic materials under shock wave loading taking into account the link between the relaxation mechanisms and the stages of failure with the nonlinear kinetics of mesoscopic defects (microcracks, microshears); identification of model parameters based on the results of dynamic experiments; numerical simulation of plane shock wave loading; verification of the model based on the comparison with the results of original experiments on shock wave loading of samples (metals and ceramics); substantiation on the basis of the results of numerical simulations and experimental data of self-similar propagation of shock wave fronts, the stages of failure in metals and ceramics. Wide- range constitutive equations reflecting the linkage between defect-induced mechanisms and structural relaxation are used in the numerical simulation for shock wave loading of metals and ceramics in the comparison with experiments.
    keywords: bayandin; damage; defects; doi; kinetics; loading; metals; numerical; plastic; relaxation; shock; simulation; strain; stress; wave
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        item: #664 of 1022
          id: fis-2449
      author: User
       title: Microsoft Word - numero_51_art_16_2449
        date: 2019-11-25
       words: 7781
      flesch: 69
     summary: Displacement variation as a function of the power index P and the porosity factor α=0 of sandwich plate FGM. Figure 4: Displacement variation w as a function of the power index P and the different porosity factor α of sandwich plate FGM Figure 5: Dimensionless displacement variation as a function of the thickness ratio a/h for the different values of porosity coefficient for plate sandwich FGM. Analytical solutions for FGM sandwich plate  Numerical results and discussions FORMULATION OF THE PROBLEM Structural model onsider a FG thick rectangular plate of length a, width b and thickness h made of functionally graded material as shown in Fig.1 together with the adopted coordinate system.
    keywords: b b; b s; doi; plate; s s; sandwich; y y;  
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        item: #665 of 1022
          id: fis-2450
      author: User
       title: Microsoft Word - numero_49_art_14_2450
        date: 2019-06-10
       words: 11925
      flesch: 47
     summary: Microsoft Word - numero_49_art_14_2450 P. Trusov et alii, Frattura ed Integrità Strutturale, 49 (2019) 125-139; DOI: 10.3221/IGF-ESIS.49.14 125 Focused on Russian mechanics contributions for Structural Integrity Multi-level model describing phase transformations of polycrystalline materials under thermo-mechanical impacts Peter Trusov, Elena Makarevich, Nikita Kondratev Perm National Research Polytechnic University, Russia tpv@matmod.pstu.ac.ru, http://orcid.org/0000-0001-8997-5493 makareviches@inbox.ru kondratevns@gmail.com, http://orcid.org/0000-0002-0261-3017 ABSTRACT. Crystal plasticity; multiscale modeling; phase transformations; microstructure; defect structure; improved steels.
    keywords: deformation; doi; element; energy; ii element; level; material; mechanical; meso; model; phase; phase transformation; step; system; transformation
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        item: #666 of 1022
          id: fis-2452
      author: User
       title: Microsoft Word - numero_49_art_72ex15_2452
        date: 2019-06-27
       words: 9111
      flesch: 69
     summary: A study of the vibration of fluid coupled coaxial cylindrical shell, In: Benaroya H., Wei T.J. (eds) IUTAM Symposium on Integrated Modeling of Fully Coupled Fluid Structure Interactions Using Analysis, Computations and Experiments. Analysis of spatial vibrations of coaxial cylindrical shells partially filled with a fluid, Comput.
    keywords: doi; fluid; gap; phase; shells
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        item: #667 of 1022
          id: fis-2453
      author: User
       title: Microsoft Word - numero_49_art_38_2453
        date: 2019-06-25
       words: 6548
      flesch: 57
     summary: High cycle fatigue in aircraft gas turbines - an industry perspective, International Journal of Fracture 80, pp.147-163. This effect increases with the initiation and growth of fatigue cracks.
    keywords: amplitude; crack; cycle; damage; defects; doi; fatigue; loading; material
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        item: #668 of 1022
          id: fis-2454
      author: User
       title: Microsoft Word - numero_49_art_16_2454
        date: 2019-06-27
       words: 7638
      flesch: 55
     summary: As is evident from the plots, consideration of incremental stresses caused by opening of primary fracture leads to a growth of horizontal compressive stresses. [ ] [ ] j cr cr cr       , where  is the prescribed accuracy, increase the iteration number by 1 and repeat the steps 2.1–2.4. O. Y. Smetannikov et alii, Frattura ed Integrità Strutturale, 49 (2019) 140-155; DOI: 10.3221/IGF-ESIS.49.16 148 Figure 6: Computation of fracture growth direction.
    keywords: direction; doi; fig; fracture; fracture growth; fracture opening; growth; mpa; oil; opening; pressure; rock; stress; stresses
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        item: #669 of 1022
          id: fis-2460
      author: User
       title: Microsoft Word - numero_49_art_30_2460
        date: 2019-06-25
       words: 6741
      flesch: 58
     summary: (a) (b) (с) (d) (e) (f) Figure 5: Drucker-Prager yield (fracture) surface (contour lines denote effective plastic strains): (a)-solution to thermo-poroelastic problem, pb=2.5 MPa, T=213 K; (b)-solution to thermo-poroelastic problem, pb=3.5 MPa, T=220 K; (c)-solution to thermo- poroinelastic problem with porosity model (17), pb=2.5 MPa, T=213 K; (d)-solution to thermo-poroinelastic problem with porosity model (17), pb=3.5 MPa, T=220 K; (e)-solution to thermo-poroinelastic problem with porosity model (18), pb=2.5 MPa, T=213 K, (f) - solution to thermo-poroinelastic problem with porosity model (18), pb=3.5 MPa, T=220 K. CONCLUSION n this study, an assessment of the caprock integrity during oil production by SAGD is carried out. Alteration of porosity during thermal oil production can significantly affect mechanical state of the reservoir near the caprock.
    keywords: caprock; doi; model; oil; parameters; porosity; pressure; production; reservoir; s s; steam; water
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        item: #670 of 1022
          id: fis-2462
      author: User
       title: Microsoft Word - numero_49_art_17_2462
        date: 2019-06-25
       words: 6224
      flesch: 57
     summary: A mechanical behavior of frozen soil is described by Vyalov’s constitutive relations. The aim of AGF is a creation of a temporary wall of frozen soil around the intended excavation.
    keywords: creep; cylinder; doi; formula; ice; numerical; simulation; soil; strain; thickness; vyalov; wall
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        item: #671 of 1022
          id: fis-2463
      author: User
       title: Microsoft Word - numero_49_art_31_2463
        date: 2019-06-07
       words: 3394
      flesch: 54
     summary: A. Vedernikova et alii, Frattura ed Integrità Strutturale, 49 (2019) 314-320; DOI: 10.3221/IGF-ESIS.49.31 318 a) b) Figure 4: (a) Infrared thermography data vs heat flux sensor data; (b) Time dependence of heat dissipation and stored energy (Eqn. 4). Heat dissipation energy under fatigue based on infrared data processing, Quant Infrared Thermogr J., 11(1), pp.
    keywords: deformation; energy; heat; specimen; t t; temperature
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        item: #672 of 1022
          id: fis-2465
      author: User
       title: Microsoft Word - numero_49_art_18_2465
        date: 2019-05-30
       words: 4560
      flesch: 55
     summary: In [10], a thermo-hydraulic model of fluid-saturated rock mass was used to analyze how the heterogeneity of rock mass properties affects the formation of a frozen wall. This critical seepage velocity strongly depends on how quickly the water content and rock mass permeability decrease with decreasing temperature, or on the parameters of the rock mass freezing characteristic curve and permeability versus temperature curve.
    keywords: doi; freezing; groundwater; heat; mass; rock; rock mass; t t; temperature; wall; water
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        item: #673 of 1022
          id: fis-2466
      author: User
       title: Microsoft Word - numero_49_art_1_2466
        date: 2019-05-28
       words: 5728
      flesch: 57
     summary: Mechanism of fatigue crack initiation and propagation in the very high cycle fatigue regime of high-strength steels, Scripta Materialia, 67(10), pp. 838-841. DOI: 10.1016/j.scriptamat.2012.07.049. Fatigue crack growth from small to long cracks in very- high-cycle fatigue with surface and internal fish-eye failures for ferrite-perlitic low carbon steel SAE 8620, Materials Science and Engineering a-Structural Materials Properties Microstructure and Processing, 468, pp.
    keywords: crack; cycle; doi; fatigue; fga; fig; materials; microstructure; region
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        item: #674 of 1022
          id: fis-2467
      author: User
       title: Microsoft Word - numero_50_art_25_2467
        date: 2019-08-25
       words: 5505
      flesch: 55
     summary: Based on the double K fracture model, the fracture properties of C70 strength grade concrete after being processed by high temperature of 25 °C ~ 800 °C were studied by three-point bending beam test. The change rules of fracture toughness KIC and fracture energy under different temperatures after being processed by high temperature were analyzed.
    keywords: concrete; crack; curve; energy; fracture; fracture energy; load; specimens; strength; temperature; test; toughness
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        item: #675 of 1022
          id: fis-2468
      author: User
       title: Microsoft Word - numero_52_art_03_2468
        date: 2020-02-29
       words: 4255
      flesch: 55
     summary: Microsoft Word - numero_52_art_03_2468 W. Xiangming et alii, Frattura ed Integrità Strutturale, 52 (2020) 25-32; DOI: 10.3221/IGF-ESIS.52.03 25 Numerical analysis and verification of residual stress in T joint of S355 steel Wang Xiangming, Guo Erfu School of Mechanical and Electrical Engineering, Shijiazhuang University of Applied Technology, Shijiazhuang, 050081 wangxmxming@163.com ABSTRACT. The welding deformation and residual stress produced during the welding process affect the integrity and reliability of the resultant structure.
    keywords: heat; joint; peak; simulation; source; stress; tensile; transverse; weld; welding
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        item: #676 of 1022
          id: fis-2471
      author: HYY
       title: Microsoft Word - numero_49_art_19_2471
        date: 2019-05-28
       words: 6436
      flesch: 57
     summary: Finite element prediction of resin pocket geometry around embedded optical fiber sensors in prepreg composites, Compos. V. Matveenko et alii, Frattura ed Integrità Strutturale, 49 (2019) 177-189; DOI: 10.3221/IGF-ESIS.49.19 183 Figure 7: Variants of the representation of a polymer composite material with embedded optical fiber.
    keywords: bragg; composite; doi; fiber; grating; material; pcm; pocket; resin; sensor; strain
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        item: #677 of 1022
          id: fis-2474
      author: User
       title: Microsoft Word - numero_49_art_60_2474
        date: 2019-06-22
       words: 5179
      flesch: 50
     summary: Effects of strain rate and temperature on the tension behavior of polycarbonate, Materials & Design, 38, pp. After a mathematical formulation of the equations governing the model, tensile tests at different strain rates are conducted.
    keywords: behavior; limit; model; parameters; polymers; rate; strain; strain rate; stress; viscoplastic
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        item: #678 of 1022
          id: fis-2478
      author: Politecnico
       title: Shot Peening Processes to obtain Nanocrystalline surfaces in metal alloys:
        date: 2019-07-10
       words: 4226
      flesch: 55
     summary: EXPERIMENTAL PROCESS Samples he selected X80 pipeline steel for stress corrosion SSRT tests contains (w.t. %) 0.055 C, 1.392 Mn, 0.328 Mo, 0.202 Stress corrosion slow strain rate tensile tests of the X80 steel in the natural seawater are carried out to study the effect of dissolved oxygen (DO) on the sensitivity of stress corrosion.
    keywords: corrosion; doi; fracture; pipeline; scc; seawater; steel; stress; stress corrosion; x80
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        item: #679 of 1022
          id: fis-2481
      author: User
       title: Microsoft Word - numero_49_art_27_2481
        date: 2019-06-27
       words: 6068
      flesch: 52
     summary: Starting from this scales 0a the singularity related to the stress intensity factor 0K is combined with the blow-up singularity (6), that provides fatigue crack kinetics up to the scale la . The structural volume idea takes as starting point for the assumption that all physical processes resulting in the formation of fatigue cracks are confined within a finite volume.
    keywords: blow; crack; damage; energy; fatigue; fracture; kinetics; length; material; mechanics; naimark; stress; tcd; theory
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        item: #680 of 1022
          id: fis-2484
      author: User
       title: Microsoft Word - numero_49_art_61_2484
        date: 2019-06-25
       words: 6331
      flesch: 60
     summary: ABBREVIATIONS SS, standard sand; RS, recycled sand; SP, superplasticizer; RSw, recycled washed sand, CDW, construction and demolition waste; M-SS, mortar with standard sand; M-RSw, mortar with recycled washed sand; ITZ, Interfacial Transition Zone. Two parameters to be taken into account for the realisation of construction materials with fine recycled sand are the amount of fine content, which influence its workability, water absorption and shrinkage
    keywords: aggregates; cement; concrete; doi; fracture; mortars; properties; rsw; sand; series; standard
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        item: #681 of 1022
          id: fis-2485
      author: User
       title: Microsoft Word - numero_49_art_22_2485
        date: 2019-06-26
       words: 7595
      flesch: 52
     summary: It is important to note that the areas of weakening of experimental diagrams of material deformation cannot be used to determine the properties of elastoplastic materials since in these areas the deformation processes are controlled by increasing damage through the change of elasticity coefficients of the material and yield strength. Мore of that the damage may take place independently of plastic deformation The softening or, more generally, the destruction is considered as the loss of the ability of the material to resist elastic deformation, expressed in a decrease in the values of elastic modules and yield strength due to breaking of elastic bonds or, equivalently, due to an increase in the N. Burago et alii, Frattura ed Integrità Strutturale, 49 (2019) 212-224; DOI: 10.3221/IGF-ESIS.49.22 218 number of microcracks per unit volume.
    keywords: damage; deformation; destruction; fracture; material; plastic; solution; t t
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        item: #682 of 1022
          id: fis-2487
      author: User
       title: Microsoft Word - numero_49_art_23_2487
        date: 2019-05-31
       words: 11360
      flesch: 69
     summary: At the next stage, we use the partial solutions (1) ( 2 ) ( 3 ) ( 4 ), , , k k k kw w w w , (1) ( 2 ) ( 3 ) ( 4 ) ( 5 ) ( 6 ), , , , , k k k k k kv v v v v v and the obtained relation (40) to derive six partial solutions ( 1) ( 2 ) ( 3 ) ( 4 ) ( 5 ) ( 6 ), , , , , k k k k k ku u u u u u , which are expressed as        1 (1) (1) 2 0 2 1 1 2 2 k m k m m x x u E x kx x S       Note that in search for a solution to this problem we had to use a full set of particular solutions ( ( 1) ( 2 )0 0, ,w w (1) (1) ( 2 ) ( 2 ) ( 3 ) ( 3 ) ( 4 ) ( 4 ) 0 0 0 0 0 0 0 0, , , , , , , ,u u u u    (1) (1) (1), , ,k k ku w (1) (1) (1) ( 2 ) ( 2 ) ( 2 ) ( 3 ) ( 3) ( 3), , , , , , , , ,k k k k k k k k ku w u w u w   ( 4 ) ( 4 ) ( 4 ), , ,k k ku w ( 5 ) ( 5 ) ( 6 ) ( 6 ), , ,k k k ku u  ) defined by relations (20), (30), (35), (36), (41) - (44).
    keywords: k k; k m;  ;  ;  ;  
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        item: #683 of 1022
          id: fis-2488
      author: User
       title: Microsoft Word - numero_49_art_6_2488
        date: 2019-05-24
       words: 7407
      flesch: 71
     summary: The method takes five FE nodal stresses calculated with coarse FE meshes made of four-node, linear quadrilateral finite elements: three of them are the singular, linear elastic crack tip opening, sliding and tearing peak stresses, respectively, which take into account the stress intensity factor contribution; the remaining two ones are the nodal stresses evaluated along the crack free edges at a selected distance from the crack tip and take into account the T-stress contribution. The use of peak stresses for fatigue strength assessments of welded lap joints and cover plates with toe and root failures, Eng.
    keywords: approach; crack; eqn; loading; mode; peak; plane; sed; stress
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        item: #684 of 1022
          id: fis-2490
      author: User
       title: Microsoft Word - numero_49_art_62_2490
        date: 2019-06-24
       words: 4448
      flesch: 57
     summary: FEM; Repair by composite patch; Pipeline; Cracking; Thermal stress; Internal pressure; Temperature; Stress intensity factor. The effectiveness of composite patch repair bonded to the cracked surface is highlighted.
    keywords: adhesive; composite; crack; epoxy; factor; intensity; patch; pipeline; repair; stress
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        item: #685 of 1022
          id: fis-2495
      author: User
       title: Microsoft Word - numero_50_art_13_2495
        date: 2019-08-17
       words: 4075
      flesch: 57
     summary: Wire rope general information Corrosive solution The objective of studying the behavior of corroded wire ropes is reminded in the ISO standard 7539 Microsoft Word - numero_50_art_13_2495 A. Tijani et alii, Frattura ed Integrità Strutturale, 50 (2019) 141-148; DOI: 10.3221/IGF-ESIS.50.13 141 Corrosion’s impact on wire rope strand response – Comparison with a theoretical predictive model Amal Tijani Laboratory of Atmosphere’s Physics, materials and modeling, FST Mohammedia, Hassan II University of Casablanca, BP 146 - Mohammedia, Morocco amaltijani@gmail.com,
    keywords: corrosion; diameter; doi; force; rope; strand; time; wire
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        item: #686 of 1022
          id: fis-2499
      author: User
       title: Microsoft Word - numero_49_art_25_2499
        date: 2019-05-30
       words: 5027
      flesch: 71
     summary: k k k r h R r h         ; * ( ) ( ) ( ) ( ) ( ) ( ) ( ) ( ) ( ) ( ) ( ) k k k k k k k k k k k k k k k k k k k k sh * 1 ( ) ( ) ( ) ( ) T TT TT c c a a k k k k kS S S T U dS p t x U x dS p t
    keywords: k k; y c; y y;  
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        item: #687 of 1022
          id: fis-2503
      author: User
       title: Microsoft Word - numero_49_art_11_2503
        date: 2019-05-28
       words: 4384
      flesch: 60
     summary: It is also evident, that the effect of microstructure (stress gradients) is distinct only in the zone 5x l< , according to [8]. Similarly to the Barenblatt model, the SGET removes the stress singularity at the crack tip and produces a cusp-like profile of crack faces near the crack tip in accordance with atomistic models.
    keywords: crack; crack tip; doi; elasticity; fracture; gradient; model; sget; strain; stress; tip
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        item: #688 of 1022
          id: fis-2509
      author: User
       title: Microsoft Word - numero_50_art_6_2509
        date: 2019-08-10
       words: 4305
      flesch: 55
     summary: [mm] SA-508 Cl. 3 452.29 415.62 SA-106 Gr. B 421.73 378.94 SA-376-TP304 415.62 378.94 Table 7: Critical crack size for Cases 3 and 4. Exponent of the J-R curve LQ Leakage crack size J1 Applied J-Integral for Case 1 J2 Applied J-Integral for Case 2 Lcr Critical crack size (limit load analysis) Lcr3 Critical crack size for Case 3 Lcr4 Critical crack size for Case 4 M1 Safety margin for Case 1 M2 Safety margin for Case 2 M3 Safety margin for Case 3 M4 Safety margin for Case 4 M Applied moment M0 Reference moment calculated according to ref.
    keywords: analysis; case; crack; lbb; leakage; margin; materials; nuclear; safety; size
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        item: #689 of 1022
          id: fis-2511
      author: User
       title: Microsoft Word - numero_51_art_4_2511
        date: 2019-10-25
       words: 4057
      flesch: 57
     summary: Microsoft Word - numero_51_art_4_2511 N. Benachour et alii, Frattura ed Integrità Strutturale, 51 (2020) 45-51; DOI: 10.3221/IGF-ESIS.51.04 45 Focussed on Structural Integrity and Safety: Experimental and Numerical Perspectives Experimental investigation of fatigue crack initiation from notches in 2024 T351 Al-alloy Nadjia Benachour, Mustapha Benachour* University of Tlemcen, Ingeniery of Mechanical Systems and Materials Laboratory, Tlemcen, Algeria Faculty of Technology, Mechanical Engineering Department nbenachour2005@yahoo.fr, bmf_12002@yahoo.fr Mohamed Benguediab University of Sidi Bel Abbes, LMPM Laboratory, Sidi Bel Abbes (Algeria), Mechanical Engineering Department benguediab_m@yahoo.fr ABSTRACT. Fatigue crack initiation; Notch; Finite element method; Stress field; Aluminum alloy.
    keywords: alloy; crack; criterion; doi; fatigue; initiation; loading; notch; stress
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        item: #690 of 1022
          id: fis-2516
      author: User
       title: Microsoft Word - numero_49_art_67_2516
        date: 2019-06-24
       words: 6940
      flesch: 42
     summary: Regardless of the parameter used, the flow gradually increases from 0 (vitreous temperature material) to its critical value of 1. For this reason, this study consists of predicting the evolution of ABS damage in two main zones.
    keywords: abs; behavior; damage; elongation; flow; fraction; life; material; modulus; properties; stress; temperature; ultimate; young; zone
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        item: #691 of 1022
          id: fis-2518
      author: User
       title: Microsoft Word - numero_49_art_68_2518
        date: 2019-06-24
       words: 4819
      flesch: 57
     summary: Therefore, we may observe that crack propagation decreases almost linearly and disproportionately with a0. [15] Shilang, X., Reinhardt, H.W. (1999) Determination of Double-K Criterion for Crack Propagation in Quasi-Brittle Materials, part I: experimental investigation of crack propagation, International Journal of Fracture, 98(2), pp. 111-149 DOI: 10.1023/A:1018668929989 [16] Shilang, X., Reinhardt, H.W. (1999) Determination of Double-K Criterion for Crack Propagation in Quasi-Brittle Materials, part II: Analytical Evaluating and Practical Measuring Methods for Three-Point Bending Notched Beams, International Journal of Fracture, 98(2), pp. 151-177.
    keywords: concrete; crack; curve; doi; fracture; length; load; materials; notch; propagation; specimens; strutturale; toughness
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        item: #692 of 1022
          id: fis-2519
      author: User
       title: Microsoft Word - numero_49_art_26_2519
        date: 2019-06-07
       words: 2611
      flesch: 55
     summary: Crack path; Variational principle; wedge; Concentrated tensile force. The above-mentioned assumption leads to the variational problem for predicting crack paths and can be given by the following equation  L 0 .
    keywords: crack; force; path; principle; tensile; variational; wedge
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        item: #693 of 1022
          id: fis-2520
      author: User
       title: Microsoft Word - numero_50_art_28_2520
        date: 2019-08-31
       words: 5231
      flesch: 54
     summary: CONCLUSION his work has demonstrated the effectiveness of a 2D numerical approach with the use of Hashin criterion of damage and with shell elements in laminated composite structures notches. Several researchers have studied the effect of the stacking sequence on the behavior of composite structures such as Mokhtari [6] and the use of stratified composite with change in ply thicknesses Mokhtari [7].
    keywords: composite; damage; failure; fiber; figure; loading; modification; notch; resistance; structure; thickness
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        item: #694 of 1022
          id: fis-2522
      author: User
       title: Microsoft Word - numero_49_art_10_2522
        date: 2019-06-25
       words: 6052
      flesch: 60
     summary: A study on the accuracy of the approximation of the displacement field around of crack tip in a sample made from bridge steel (S355) is main objective of contribution. Characterisation of stress fields near crack tip has been studied for many decades; see for example a short state-of-art
    keywords: crack; crespo; dic; doi; fatigue; field; lopez; n n; stress; terms; tip
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        item: #695 of 1022
          id: fis-2528
      author: User
       title: Microsoft Word - numero_50_art_2_2528
        date: 2019-07-11
       words: 5136
      flesch: 64
     summary: Fatigue Crack Growth; Plastic CTOD; Yield stress; Crack closure. This article is centered on the study of the effect of yield stress on FCG, using a numerical approach.
    keywords: contact; crack; ctod; deformation; load; plastic; stress; yield
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        item: #696 of 1022
          id: fis-2530
      author: User
       title: Microsoft Word - numero_49_art_70_2530
        date: 2019-06-24
       words: 4266
      flesch: 58
     summary: Figure 4: Deformation paths followed in different friction conditions and FLC relevant to the AA6060 aluminium alloy represented in the positive half-plane. Formability prediction of aluminum sheet alloys under isothermal forming conditions, J. Manuf.
    keywords: aluminium; coefficient; condition; doi; flc; forming; friction; metal; sheet; test
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        item: #697 of 1022
          id: fis-2531
      author: User
       title: Microsoft Word - numero_50_art_7_2531
        date: 2019-07-12
       words: 6734
      flesch: 59
     summary: Characterization of crack tip stress fields in test specimens using mode mixity parameters, International Journal of Fracture, 185, pp. 49-76. Different from pure mode I, calculating the two fracture parameters was necessary to study the influence of the mixed mode loading conditions on fracture resistance parameters, namely, Modes I and II stress intensity factors (SIFs) KI and K2.
    keywords: compressor; compressor disc; conditions; crack; creep; damage; disc; doi; factor; fracture; parameters; plastic; strain; stress; surface; temperature
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        item: #698 of 1022
          id: fis-2533
      author: User
       title: Microsoft Word - numero_50_art_17_2533
        date: 2019-08-26
       words: 8885
      flesch: 61
     summary: Definition of seismic input for out-of-plane response of masonry walls: I. Parametric study, J. Earthq. Definition of seismic input for out-of-plane response of masonry walls: II.
    keywords: acceleration; amplitude; configurations; doi; eng; input; masonry; model; motions; phase; plane; shift; study; support; support motions; wall
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        item: #699 of 1022
          id: fis-2535
      author: HYY
       title: Microsoft Word - numero_49_art_66_2535
        date: 2019-06-25
       words: 5427
      flesch: 53
     summary: Fibre metal laminate; Flexural load; Structural behaviour. [10], that produced and tested some CARALL specimens presenting carbon fibre laminate as outside layers.
    keywords: adhesive; aluminium; behaviour; composite; doi; laminates; material; metal; strength; stress; thickness; type
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        item: #700 of 1022
          id: fis-2537
      author: User
       title: Microsoft Word - numero_50_art_19_2537
        date: 2019-09-20
       words: 5419
      flesch: 59
     summary: These combinations are responsible for the initiation and propagation of fatigue cracks in these parts, which can lead to failure. In this simple form, the presence of a growth threshold of fatigue cracks and a limit greater than ∆K (stress intensity factor range) for the fracture are not shown, although, if appropriate, expressions taking into account these limits, as well as the influence of the load ratio of the cycle R = Pmin / Pmax can be easily found in the literature.
    keywords: alloy; c t=50; crack; doi; fatigue; position; t=30 °; t=40 °; t=50 °; temperature; thickness; ° c
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        item: #701 of 1022
          id: fis-2541
      author: User
       title: Microsoft Word - numero_51_art_29_2541
        date: 2019-12-03
       words: 6172
      flesch: 53
     summary: Microsoft Word - numero_51_art_29_2541 M. Guadagnuolo et alii, Frattura ed Integrità Strutturale, 51 (2020) 398-409; DOI: 10.3221/IGF-ESIS.51.29 398 Focussed on Fracture and Damage Detection in Masonry Structures Retrofit assessment of masonry buildings through simplified structural analysis Mariateresa Guadagnuolo, Marianna Aurilio, Giuseppe Faella Department of Architecture and Industrial Design, Università degli Studi della Campania Luigi Vanvitelli, S.Lorenzo ad Septimum Abbey, Aversa (CE) Italy. CONCLUSIONS his paper deals with some issues concerning the vulnerability assessment of masonry buildings and the optimization of the strengthening interventions to be adopted.
    keywords: assessment; buildings; case; doi; failure; guadagnuolo; heritage; index; interventions; masonry; safety; shear; strength
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        item: #702 of 1022
          id: fis-2543
      author: HYY
       title: Microsoft Word - numero_50_art_11_2543
        date: 2019-08-19
       words: 7149
      flesch: 60
     summary: Adhesive bonded single lap joint, NASA CR 112236. Citation: Benamar, B., Mokhtari, M., Madani, K., Banzaama, H., Using a cohesive zone modeling to predict the compressive and tensile behavior on the failure load of single lap bonded joint, Frattura ed Integrità Strutturale, 50 (2019) 112-125.
    keywords: adhesive; compressive; doi; effect; failure; fracture; joint; lap; load; mode; parameters; properties; strength; tensile
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        item: #703 of 1022
          id: fis-2545
      author: User
       title: Microsoft Word - numero_50_art_22_2545
        date: 2019-08-24
       words: 6048
      flesch: 54
     summary: (4), we obtain: 2 3 o D k h  (5) Figure 5. Web rotational stiffness (Calenzani [9]). Therefore, it is considered that the numerical model is suitable for simulations of web stiffness.
    keywords: beams; bending; buckling; lateral; moment; numerical; openings; profile; steel; stiffness; web
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        item: #704 of 1022
          id: fis-2551
      author: User
       title: Microsoft Word - numero_51_art_37_2551
        date: 2019-12-14
       words: 8521
      flesch: 55
     summary: kN/m2 lantern weight on a segment of dome PL 469 kN Table 3: Mechanical data of S. Maria del Fiore dome. In the plane that cuts the sails dimensions (m) Heights and other dimensions (m) outer diameter 54 49.88 internal diameter 45 41.57 radius of arch pointed-fifth 36 dome thickness at the base 4.5 4.15 outside diameter of the lantern base 7 6.47 drum thickness 5 4.6 dome height 35.75 drum height for Mod1 7.5 height of the drum upper block for Mod1 4.6 height of the drum lower block for Mod1 2.9 drum height for Mod2 13 height of the drum upper block for Mod2 7.5 height of the drum lower block for Mod2 5.5 average diameter of the oculus 5.8 Table 4: Geometric data of S. Maria del Fiore dome.
    keywords: analysis; anselmi; block; case; collapse; domain; dome; drum; failure; force; frattura; masonry; multiplier; ribs; strutturale; yield
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        item: #705 of 1022
          id: fis-2552
      author: User
       title: Microsoft Word - numero_50_art_23_2552
        date: 2019-08-24
       words: 4801
      flesch: 67
     summary: Finite element analysis of elasto-plastic plate bending problems using transition rectangular plate elements, Acta Mechanica Sinica 22, pp. For Mindlin plate, yield function F is assumed to be function of f but not of the transverse shear stresses s , the direct stresses associated with flexure only hence sD always remain elastic
    keywords: doi; element; finite; plastic; plate
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        item: #706 of 1022
          id: fis-2554
      author: Politecnico
       title: Shot Peening Processes to obtain Nanocrystalline surfaces in metal alloys:
        date: 2019-12-04
       words: 11926
      flesch: 57
     summary: (b) non-dimensional horizontal thrust h. Reducing friction  sets a non-linear increase of angular position  of the inner hinge and a linear (for 2 =  ) decrease of non-dimensional horizontal thrust h. Then, at decreasing friction coefficient , different masonry arch collapse modes have been located as follows (Figs. 1b-d, Tab. 3): • for  > Circular masonry arches; Couplet-Heyman problem; Reducing friction; Purely-rotational mode; Mixed sliding-rotational mode; Purely-sliding mode.
    keywords: = =; analysis; arch; collapse; friction; masonry; mode; rotational; sliding; thickness;  =;  ;  =
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        item: #707 of 1022
          id: fis-2557
      author: User
       title: Microsoft Word - numero_50_art_14_2557
        date: 2019-08-30
       words: 7750
      flesch: 60
     summary: In general, it could be stated that there is no significant change in the use of glass fibers, but if the glass fiber is used, the relative improvement will be achieved; although; if more glass fiber is used, the Marshall stability will be decreased. The main purpose of this research is to evaluate the characteristics of the asphalt mixture while using basalt fiber and glass fiber.
    keywords: asphalt; basalt; basalt fiber; bitumen; fibers; flow; glass fiber; mix; percentage; results; samples; strength; test
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        item: #708 of 1022
          id: fis-2560
      author: HYY
       title: Microsoft Word - numero_50_art_4_2560
        date: 2019-07-10
       words: 4061
      flesch: 52
     summary: Dynamic Crack Propagation Under Mixed- Mode Loading – Comparison Between Experiments and X-FEM Simulations, International Journal of Solids and Structures, 44(20), pp. In this paper, X-FEM code in ABAQUS software was used in order to simulate crack growth in a semi-circular specimen with pre-existed crack and also intact specimen to determine dynamic stress intensity factor (DSIF) using displacement extrapolation method.
    keywords: crack; energy; fem; fig; fracture; method; model; numerical; rock; specimen; stress
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        item: #709 of 1022
          id: fis-2565
      author: User
       title: Microsoft Word - numero_52_art_04_2565
        date: 2020-02-29
       words: 11037
      flesch: 76
     summary: q q r q r                                                     3 3 5 1 6 5 6 7 1 7 5, 8 5, 8 1 7 6, 8 6, 1 1 ( ) ( ) { }, ( ) ( ) { }k k k k k k k k V z z e q r q V z z e r q q                  [ ] 2 [ ] } , y yx t x t x y q q q q q r r r r r y x t x t x t x t q q q q q dtd q r r r r r                                                            O. Kryvyi et alii, Frattura ed Integrità Strutturale, 52 (2020) 33-50; DOI: 10.3221/IGF-ESIS.52.04 49 5 31 1 2 32 2 21 1 32 3 1 33 4 12 2 0 0 0 0 0 5 33 1 22 2 34 6 2 35 7 36 8 1 2 33 52 2 2 0 0 0 0 0 1 ( , ) {
    keywords: n n; q q; q r;  ;  ;  ;  ;  ;  ;  ;  ;  ;  ;  
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        item: #710 of 1022
          id: fis-2569
      author: User
       title: Microsoft Word - numero_50_art_52_2569
        date: 2019-09-11
       words: 4523
      flesch: 65
     summary: Weight function; Stress intensity factor; Three-dimensional crack; Weld. Citation: Livieri, P., Segala, F., Stress intensity factor for small embedded cracks in weldments, Frattura ed Integrità Strutturale, 50 (2019) 613-622. [mm] [mm] [mm0.5] [mm0.5] [mm0.5] [mm0.5] 0.3 0.4 1.088 0.795 1.166 0.816 0.1 0.15 0.818 0.583 0.858 0.611 0.1 0.3 0.566 0.488 0.608 0.524 Table 1: Stress intensity factor at points A and C of Fig. 5 for a nominal tensile loading σn (opening angle 135°).
    keywords: burns; crack; fig; intensity; livieri; sif; stress
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        item: #711 of 1022
          id: fis-2570
      author: User
       title: Microsoft Word - numero_51_art_2_2570
        date: 2019-10-17
       words: 8048
      flesch: 58
     summary: RIGID ELEMENTS DISCRETIZATION ny arbitrary FRP reinforced masonry wall with openings, can be modeled as a set of NURBS surfaces within any commercial 3D modeling environment. Moreover, a number of studies in the literature proved that limit analysis is still capable of reliably assess FRP reinforced masonry structures, see e.g.
    keywords: analysis; approach; chiozzi; collapse; doi; fig; frp; limit; load; masonry; nurbs; parameters; plane; space; walls
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        item: #712 of 1022
          id: fis-2571
      author: User
       title: Microsoft Word - numero_50_art_24_2571
        date: 2019-08-24
       words: 8069
      flesch: 69
     summary: A A   ,  2 2 223 11 12 662S B B B       ,  2 2 224 11 12 662s s sS B B B       , (21) 4 2 2 4 2 2 33 11 12 66 222( 2 ) ( )w sS D D D D K K            , 4 2 2 4 34 11 12 66 222( 2 ) s s H H H H A A           11 22 0m m I
    keywords: doi; plates; s s; theory; y y;  
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        item: #713 of 1022
          id: fis-2574
      author: User
       title: Microsoft Word - numero_50_art_26_2574
        date: 2019-08-26
       words: 4844
      flesch: 61
     summary: Review on structural fatigue of NiTi shape memory alloys: Pure mechanical and thermo- mechanical ones, Theor. Citation: Iasnii, V., Yasniy, P., Baran, D., Rudawska, A., The effect of temperature on low-cycle fatigue of shape memory alloy, Frattura ed Integrità Strutturale, 50 (2019) 310-318.
    keywords: alloy; cycles; doi; energy; failure; fatigue; memory; shape; temperature
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        item: #714 of 1022
          id: fis-2588
      author: User
       title: Microsoft Word - numero_52_art_01_2588
        date: 2020-02-29
       words: 4300
      flesch: 57
     summary: Crack images were collected by CCD camera, and then operations such as graying, correction, denoising and segmentation were carried out to obtain clear crack images. It was found from Fig. 3 that the quality of crack images was poor under the influence of illumination and noise, which was not conducive to crack monitoring.
    keywords: building; crack; doi; image; length; method; monitoring; processing; results; study; width
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        item: #715 of 1022
          id: fis-2595
      author: User
       title: Microsoft Word - numero_51_art_7_2595
        date: 2019-12-07
       words: 6296
      flesch: 52
     summary: Raw material criticality in the context of classical risk assessment, Resour. For this reason, critical raw materials (CRMs) are subjected to a regular review and update.
    keywords: alloy; criticality; crms; doi; european; index; indicator; materials; recycling; risk; substitution; supply; technologies; value
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        item: #716 of 1022
          id: fis-2597
      author: User
       title: Microsoft Word - numero_51_art_1_2597
        date: 2019-10-16
       words: 4831
      flesch: 57
     summary: CONCLUSION R-thermography data, lock-in thermography data and heat flux sensor measurements were used to investigate energy dissipation under fatigue crack propagation in stainless steel AISI 304. In this study, we have shown that the energy dissipation values measured by the thermography techniques are in good qualitative agreement with the results obtained by the method in which contact heat flux sensors are used.
    keywords: contact; crack; dissipation; doi; energy; fatigue; flux; heat; sensor; specimen; thermography
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        item: #717 of 1022
          id: fis-2600
      author: User
       title: Microsoft Word - numero_50_art_29_2600
        date: 2019-09-01
       words: 8409
      flesch: 54
     summary: In short corrosion exposure times, the degradation mechanism of ductility has been correlated in the open literature with the hydrogen embrittlement. Corrosion exposure was found to have a negative effect on yield stress mainly due to the cross-sectional decrease at higher exposure times as well as on tensile ductility decrease due to the combination of hydrogen embrittlement in the low exposure times and decrease of the cross-section for the higher exposure times [30].
    keywords: corrosion; decrease; doi; exco; exco solution; exposure; exposure times; nacl; nacl solution; notches; solution; specimens; surface; tensile; times
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        item: #718 of 1022
          id: fis-2602
      author: User
       title: Microsoft Word - numero_51_art_11_2602
        date: 2019-11-14
       words: 5947
      flesch: 63
     summary: On the other hand, the estimation of safety indexes is independent of any regulation. Next, the limit state equations in ACI standard were used, and safety indexes were calculated.
    keywords: aci; bending; beta; concrete; design; factors; index; indexes; load; resistance; safety; shear; torsion
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        item: #719 of 1022
          id: fis-2603
      author: User
       title: Microsoft Word - numero_50_art_30_2603
        date: 2019-09-01
       words: 8849
      flesch: 57
     summary: Characteristic values ck (kPa) (tanφ)k Characteristic 1 (SE from FORM error propagation): ck=cm-tp,n-2SEc, tan(φ)k= tan(φ)m-tp,n-2SEtan(φ) 39.60 0.52297 Characteristic 2: ak, bk from linear regression on σ1pred, σ3 data points (σ1pred=am+σ3bm±tn-2SEσ1) ck, (tanφ)k from Eqs.(20,19) 55.65 0.56288 Characteristic 3: ak=am-tp,n-2SEa, bk=bm-tp,n-2SEb ck, (tanφ)k from Eqs.(20,19) 43.43 0.49395 Characteristic 4 (SE from one variable model, Eq.(4), for c and tanφ): cm and tanφ from mean values of Table 4 ck=cm-tp,n-2SEc, tan(φ)k= tan(φ)m-tp,n-2SEtan(φ) 29.82 0.50990 Table 6: Mohr – Coulomb failure criterion constants (characteristic values). Determination of characteristic soil values by statistical methods.
    keywords: estimate; failure; kpa; mean; sample; uncertainty; values
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        item: #720 of 1022
          id: fis-2607
      author: User
       title: Microsoft Word - numero_50_art_32_2607
        date: 2019-09-01
       words: 8202
      flesch: 44
     summary: S. Gavela et alii, Frattura ed Integrità Strutturale, 50 (2019) 383-394; DOI: 10.3221/IGF-ESIS.50.32 390 (a) (b) Figure 4: Effect of the specimen curing age on compressive strength test results: (a) for samples with W/C = 0.45 and CC = 360kg/m3 and for ages from 7 to 31 days (the line shows the partial application of Eq.(1) as resulted from experiment II on these results from experiment I), (b) for samples of three different compositions and for curing ages varying from 27 to 31 days. The regression procedure for experiment II compressive strength tests provided a statistically significant multifactorial function [see Fig.3a for the relation of the multifactorial model as a function of W/C and Fig.3b for the relation of the model as a function of curing age t] with parameter values: c0 = 143 ± 24 MPa, c1 = -136 ± 38 MPa, τ = 0.45 ± 0.18 days and n = 1.0 ± 0.2, at a confidence level of 95%.
    keywords: age; compressive; concrete; curing; experiment; parameters; results; specimen; strength; test; uncertainty
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        item: #721 of 1022
          id: fis-2608
      author: User
       title: Microsoft Word - numero_50_art_33_2608
        date: 2019-09-02
       words: 7564
      flesch: 50
     summary: For triaxial compression cyclic test: 𝜀 0.89 ∙ 𝜀, 𝜀 0.11 ∙ (4) For triaxial compression cyclic test:
    keywords: compression; confining; cyclic; doi; loading; modulus; mortar; mpa; pressure; strain; stress; tests; triaxial; uniaxial
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        item: #722 of 1022
          id: fis-2609
      author: User
       title: Microsoft Word - numero_50_art_34_2609
        date: 2019-09-02
       words: 4768
      flesch: 49
     summary: Additive manufacturing; Fused deposition modelling; Process parameters; Temperature profiles; Finite element analysis. Each peak T I N. Chatzidai et alii, Frattura ed Integrità Strutturale, 50 (2019) 407-413; DOI: 10.3221/IGF-ESIS.50.34 411 (a) (b) Figure 3: Temperature profiles as recorded by thermocouples together with the temperature peak values as calculated by FEA for embedding locations: (a) 1st layer and (b) 21st layer.
    keywords: building; deposition; doi; fdm; layer; material; printing; process; specimen; temperature
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        item: #723 of 1022
          id: fis-2610
      author: User
       title: Microsoft Word - numero_50_art_35_2610
        date: 2019-09-02
       words: 6198
      flesch: 49
     summary: However, very often micro-cracks and pores, which constitute basic material damage may not be detected or measured by sonic and other non-destructive techniques. Thus, one can argue that the composite material with large differences between the components (SiC and matrix) con- cerning the tensile moduli and ductility, are more prone to thermal shock damage.
    keywords: damage; electron; fracture; integrity; material; matrix; micro; mmc; number; process; rate; ray; shock
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        item: #724 of 1022
          id: fis-2614
      author: User
       title: Microsoft Word - numero_50_art_39_2614
        date: 2019-09-02
       words: 5876
      flesch: 57
     summary: An investigation of the imaging characteristics of the Y2O2S:Eu3+ phosphor for application in X-ray detectors of Digital Mammography, Appl. Europium-activated phosphors for use in X-ray detectors of medical imaging systems, Eur.
    keywords: cawo4; cmos; energy; fountos; imaging; kandarakis; martini; michail; mtf; ray
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        item: #725 of 1022
          id: fis-2615
      author: User
       title: Microsoft Word - numero_50_art_40_2615
        date: 2019-09-02
       words: 9751
      flesch: 53
     summary: Admittedly, powder chamber internal pressure as result of gunpowder ignition is also function of powder chamber volume and propellant characteristics (Culver [10]). Additionally, Orban gun dimensions were cross checked using the contemporary to the Siege gun classification system proposed by Francesco Giorgio Martini
    keywords: bombard; breech; cannonball; chamber; corresponding; cylinder; effect; gun; gunpowder; internal; mpa; orban; powder chamber; pressure; stress; stresses; surface; table; temperature; time; wall
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        item: #726 of 1022
          id: fis-2617
      author: User
       title: Microsoft Word - numero_50_art_42_2617
        date: 2019-09-02
       words: 7665
      flesch: 56
     summary: According to this methodology, a time function F(τi) is introduced, which represents the average frequency of occurrence of AE hits, in a sliding time window of N consecutive hits with a mean value of the inter-event times, 𝜏 𝑡 𝑡 /𝛮. In the present case, for the optimum selected value of N (N=10), the rate of AE hits as expressed by the function F exhibit the same characteristics as those seen in Fig.3 and Fig.8b.
    keywords: agent; concrete; cracking; cracks; doi; fracture; fracturing; hits; monitoring; process; rock; specimen; time
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        item: #727 of 1022
          id: fis-2618
      author: User
       title: Microsoft Word - numero_50_art_43_2618
        date: 2019-09-02
       words: 5087
      flesch: 53
     summary: Therefore, it is expected that these three factors also affect the mechanical behavior in the case of epoxy matrix nanocomposites. INTRODUCTION omposites of epoxy matrix are of the most commonly used polymer matrix composites.
    keywords: curing; epoxy; glass; model; nanocomposites; performance; regression; temperature; tensile; time
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        item: #728 of 1022
          id: fis-2619
      author: User
       title: Microsoft Word - numero_50_art_44_2619
        date: 2019-09-02
       words: 5706
      flesch: 56
     summary: CyBe Construction: Redefining construction by enabeling 3d concrete printing by providing hardware, software, material, education, certification and business development. Cementitious materials for construction-scale 3D printing: Laboratory testing of fresh printing mixture.
    keywords: binder; cement; concrete; doi; lfs; materials; mixtures; printing; strength; workability
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        item: #729 of 1022
          id: fis-2620
      author: User
       title: Microsoft Word - numero_50_art_45_2620
        date: 2019-09-03
       words: 7478
      flesch: 60
     summary: Attention is drawn to the fact that the starting point for calculating and drawing the time evolution of the cumulative energy is the time instant to (the beginning of stage B), while the starting point of the horizontal axis (t=to) corresponds, also, to the onset of stage B. stage B 1E+03 1E+04 1E+05 1E+06 0.01 0.1 1 10 100 slope=m=0.70 slope=m=0.31 C u m u la ti v e en er gy [a J] t - to [s] stage D 1E+03 1E+04 1E+05 1E+06 1E+07 1E+08 0.01 0.1 1 10 100 ( ) slope=m=0.94 slope=m=0.29 40s t - to [s] C u m u la ti v e en er gy [a J] m=0.31 m=0.70 m=0.29 m=0.94 40 (a) (b) Figure 5: Time evolution of the cumulative energy in stages B (a) and D (b). In stage B, i.e., under constant stress of 60.5 MPa, the axial strain appears almost constant.
    keywords: acoustic; activity; fracture; function; hits; mode; stage; stage b; stress; time; value
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        item: #730 of 1022
          id: fis-2622
      author: User
       title: Microsoft Word - numero_51_art_20_2622
        date: 2019-11-28
       words: 4046
      flesch: 58
     summary: Note that true strains values are used for the simulation and not nominal values. We can also see that the equivalent plastic strain in the middle of the sample is very small compared to the other two surfaces for the case of the three cycles and that the lower surface keep the same value of equivalent plastic strain during the second and the third cycles.
    keywords: cycles; deformation; doi; groove; plastic; strain; surface
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        item: #731 of 1022
          id: fis-2623
      author: User
       title: Microsoft Word - numero_50_art_46_2623
        date: 2019-09-03
       words: 6006
      flesch: 54
     summary: Consequences of steel corrosion on the ductility properties on rein- forcement bar, Construction and Building Materials, 22, pp. 2316-2324 Effect of degree of corrosion on the properties of reinforcing steel bars, Construction and Building Materials, 15(8), pp.
    keywords: apostolopoulos; b450c; categories; corrosion; loss; mass; performance; specimens; steel; structures; tensile; tests
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        item: #732 of 1022
          id: fis-2625
      author: User
       title: Microsoft Word - numero_50_art_48_2625
        date: 2019-09-03
       words: 7569
      flesch: 58
     summary: In this direction, the PSC technique was here developed further by using a grid of electrode pairs, aiming to the collection of PSC emissions from multiple sensors. During the second loading loop, and while the mechanical stress was kept constant for about 100 s (i.e., at the time I I. Stavrakas et alii, Frattura ed Integrità Strutturale, 50 (2019) 573-583; DOI: 10.3221/IGF-ESIS.50.48 578 Figure 4: Time variation of the axial stress and the axial strain (a, g) and the corresponding behaviour of the electrical current emissions, as recorded by the PSC channels 0-4 (b-f, h-l), for the first (left column) and the second (right column) loading loops.
    keywords: channel; damage; loading; loop; marble; psc; specimen; strain; stress; time; value
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        item: #733 of 1022
          id: fis-2626
      author: User
       title: Microsoft Word - numero_50_art_49_2626
        date: 2019-09-03
       words: 6899
      flesch: 52
     summary: The scope of the experiment is the investigation of the effect of cutting conditions on surface roughness parameters; Ra and Rt, as well as main cutting force component; Fc, when turning CuZn39Pb3 (CW614N) alloy. a (mm) Ra (μm) Rt (μm) Fc (N) 1 800 0.10 1.5 7.34 37.7 200 2 800 0.10 1.0 4.33 25.6 160 3 800 0.10 0.5 6.02 36.5 090 4 800 0.18 1.5 4.62 25.2 130 5 800 0.18 1.0 4.23 21.1 120 6 800 0.18 0.5 5.52 34.5 080 7 800 0.33 1.5 7.14 33.8 165 8 800 0.33 1.0 8.51 42.7 160 9 800 0.33 0.5 8.02 37.5 100 10 1600 0.10 1.5 1.44 13.2 160 11 1600 0.10 1.0 1.78 11.5 130 12 1600 0.10 0.5 2.03 12.4 085 13 1600 0.18 1.5 4.24 22.2 170 14 1600 0.18 1.0 3.94 19.0 150 15 1600 0.18 0.5 4.00 21.7 100 16 1600 0.33 1.5 5.13 30.7 190 17 1600 0.33 1.0 5.26 26.8 150 18 1600 0.33 0.5 5.28 28.5 110 Table 2: Cutting conditions and measured values of surface roughness parameters and main cutting force.
    keywords: algorithm; brass; cutting; depth; machinability; optimization; parameters; roughness; surface; turning; wolf
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        item: #734 of 1022
          id: fis-2631
      author: User
       title: Microsoft Word - numero_53_art_01_2631
        date: 2020-05-14
       words: 5923
      flesch: 58
     summary: Effect of loading Fig. 5 shows the variation of normal stresses for the ceramic and metal near the defect as a function the normalized distance (X-values correspond to each point’s distance along the path as a fraction of the total length of the path (see Fig.1d)) and according to the applied mechanical load. The distribution and level of the Von Mises and normal stresses induced in alumina as a function of the x/y ratio are represented in Fig. 10.
    keywords: ceramic; defect; distance; doi; interface; metal; mpa; stresses
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        item: #735 of 1022
          id: fis-2634
      author: User
       title: Microsoft Word - numero_51_art_21_2634
        date: 2019-11-28
       words: 5346
      flesch: 46
     summary: Based on soil seismic response and structures seismic response mechanism, it is required to investigate the bridge between soil response and structure response. The acceleration history was applied to soil basis after seismic wave travelled from the soil layers and seismic wave influenced by soil layer interaction, the seismic wave reached the fixed base of the structure and the seismic excitation transferred within all over the structural elements.
    keywords: beam; displacement; doi; ground; interaction; motion; response; seismic; soil; strain; structure; timber
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        item: #736 of 1022
          id: fis-2635
      author: User
       title: Microsoft Word - numero_51_art_17_2635
        date: 2019-12-05
       words: 4374
      flesch: 45
     summary: On the other hand, the image processing of asphalt mixture specimens was first conducted for a project entitled “thermography image processing in an asphalt core” in 1993 at the University of Southern California. Hence images taken from boiling water and SEM test specimens are imported into MATLAB and the outputs, i.e. white and black percent, as quantitative results are compared to the results of Marshall Stability, modulus of resilience and moisture susceptibility of mixture based on indirect tensile strength test.
    keywords: asphalt; bitumen; moisture; results; sem; specimens; strength; susceptibility; tensile; test; water
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        item: #737 of 1022
          id: fis-2636
      author: User
       title: Microsoft Word - numero_51_art_14_2636
        date: 2019-11-26
       words: 8756
      flesch: 59
     summary: This clearly illustrates that, under residual stress effect, the crack propagation mode in the matrix and in the fiber is different. Composites; Crack growth; FEM; Residual stresses; Stress Intensity Factor (SIF); Interface.
    keywords: composite; crack; fiber; iii; intensity; interface; m m; matrix; matrix crack; matrix fiber; mode; stresses
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        item: #738 of 1022
          id: fis-2637
      author: User
       title: Microsoft Word - numero_52_art_22_2637
        date: 2020-03-22
       words: 5847
      flesch: 58
     summary: In this paper an investigation is focused on the problem of hybrid assembly joint (bolted –bonded) composite structures. Fig. 4 illustrates the role and process of bolt transfer load.
    keywords: adhesive; assembly; bolts; composite; displacement; hybrid; joint; load; stress; substrates
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        item: #739 of 1022
          id: fis-2639
      author: User
       title: Microsoft Word - numero_52_art_05_2639
        date: 2020-02-29
       words: 5493
      flesch: 50
     summary: This attempt of damage identification analysis is already possible because the displacements obtained in the ANSYS© (2007) intact numerical analysis by means of the SHELL63 element have values lower than those obtained in the damaged analysis through the experimental model, demonstrating possibilities of coherence in the analysis. The element's damage values are in agreement with the proposed problem, even if at the beginning and end of damage analyses appeared some distortions probably due to not null displacements close to supports.
    keywords: analyses; beam; damage; displacements; doi; element; experimental; fig; figure; identification; load; numerical; problem
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        item: #740 of 1022
          id: fis-2641
      author: User
       title: Microsoft Word - numero_51_art_35_2641
        date: 2019-12-12
       words: 4382
      flesch: 58
     summary: τ : overload rate. SOR: Shut-off Ratio - Ratio of overload maximum stress to the subsequent maximum stress required to arrest crack growth The value of Kpic is updated whenever the maximum load exceeds the previous maximum value, or when the current plasticized area extends beyond the area created by the overload.
    keywords: application; crack; cycles; delay; doi; fatigue; loading; number; overload; propagation; rate; stress
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        item: #741 of 1022
          id: fis-2644
      author: User
       title: Microsoft Word - numero_51_art_27_2644
        date: 2019-12-03
       words: 4607
      flesch: 58
     summary: Figure 2: Masonry panel and displacement vectors (a); angle  with the vector rays (b); vector rays and coordinates system (c) Minimum energy approach for the in-plane shear resistance of masonry panels.
    keywords: doi; energy; gesualdo; masonry; minimum; panel; problem
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        item: #742 of 1022
          id: fis-2645
      author: Andy
       title: Shot Peening Processes to obtain Nanocrystalline surfaces in metal alloys:
        date: 2019-11-12
       words: 5977
      flesch: 71
     summary: Rσ axial stress ratio, Rσ = σmin / σmax Rτ shear stress ratio, Rτ = τmin / τmax N fatigue life (number of cycles to failure) I2 second invariant of the stress deviator tensor I1 first invariant of the stress tensor σH hydrostatic stress REFERENCES Axial alternating stress controlled fatigue tests with superimposed static torsional mean stress and shear alternating fatigue tests with superimposed static tensile mean stress are represented.
    keywords: doi; fatigue; mean; strength; stress; torsional; tsts1
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        item: #743 of 1022
          id: fis-2651
      author: User
       title: Microsoft Word - numero_51_art_19_2651
        date: 2019-12-04
       words: 6155
      flesch: 48
     summary: Hydrogen damage of steels: A case study and hydrogen embrittlement model, Eng. All model parameters are conventionally divided into groups: - the geometrical parameters of the hollow cylinder (inner and outer radii, length); - the loading parameters of the structural element (internal and external pressures, hydrogen concentrations on the internal and external surfaces, number of time steps); T A. A. Lakhdari et alii, Frattura ed Integrità Strutturale, 51 (2020) 236-253; DOI: 10.3221/IGF-ESIS.51.19 240 - the parameters of the initial mechanical properties of the material (modulus of elasticity, transverse deformation coefficient, diffusion coefficient, density, stress diagram, etc.); - the parameters of the finite element model which determine the quality of the mesh; - the massive parameters, containing the mechanical properties of the material that vary in time and space.
    keywords: a. a.; concentration; cylinder; doi; element; embrittlement; figure; finite; hydrogen; state; stress; time
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        item: #744 of 1022
          id: fis-2656
      author: User
       title: Microsoft Word - numero_51_art_9_2656
        date: 2019-12-04
       words: 5022
      flesch: 66
     summary: In this work, the sinusoidal shear deformation beams theory is used to investigate the static and dynamic behavior of FG beams. [6] studied the dynamic stability of simple supported FG beams reposing on a linear elastic foundation; with piezoelectric-layers under a periodic axial compression load.
    keywords: doi
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        item: #745 of 1022
          id: fis-2657
      author: User
       title: Microsoft Word - numero_51_art_10_2657
        date: 2019-12-15
       words: 6307
      flesch: 57
     summary: It was concluded that diabetic bones undertake larger forces despite the fact that the “diameter” of their cross- section was somehow smaller. On the contrary, the slope of the load-deflection curve (corresponding to a measure of the stiffness) of diabetic bones is slightly lower compared to the control bones.
    keywords: animals; area; bending; bone; control; cross; diabetes; diabetic; doi; group; load; rats; section; sitagliptin
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        item: #746 of 1022
          id: fis-2658
      author: Politecnico
       title: Shot Peening Processes to obtain Nanocrystalline surfaces in metal alloys:
        date: 2019-12-04
       words: 4624
      flesch: 54
     summary: Figure 1: Design drawing of 3d laser scanning system. Figure 8: 3D laser scanning system.
    keywords: 3d laser; detection; figure; image; laser; measurement; scanning; sensor; structural; system; technology
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        item: #747 of 1022
          id: fis-2660
      author: User
       title: Microsoft Word - numero_52_art_08_2660
        date: 2020-02-29
       words: 3824
      flesch: 55
     summary: F M. Saadatmand et alii, Frattura ed Integrità Strutturale, 52 (2020) 98-104; DOI: 10.3221/IGF-ESIS.52.08 102 Figure 3: Computed thermal cycles of p1, p2, p3 and p4 with the travel speed of 12.5 mm/s. Figure 4: Thermal cycle of the middle point in the first layer for non-preheated and preheated substrate with temperature of 200 ℃, 400 ℃ and 600 ℃. Figure 5: The peak temperature of middle point in the first layer for travel speed of 10 ,12.5 and 15 mm/s M. Saadatmand et alii, Frattura ed Integrità Strutturale, 52 (2020) 98-104; DOI: 10.3221/IGF-ESIS.52.08 103 Effect of travel speed on thermal cycle of deposited layers The temperature distributions of p1 with different travel speeds are shown in Fig. During the deposition of second layer, because of the preheating of the previous deposition (first layer), the peak temperature of the second layer increases to a higher value compared to that of first deposited layer (indicated by dashed line).
    keywords: doi; heat; layer; process; speed; substrate; temperature
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        item: #748 of 1022
          id: fis-2666
      author: User
       title: Microsoft Word - numero_51_art_33_2666
        date: 2019-12-07
       words: 6118
      flesch: 56
     summary: [42] proposed a mechanism for hydrogen cracks in the austenitic phase of a DSS that cross a phase boundary. On the formation and nature of quasi- cleavage fracture surfaces in hydrogen embrittled steels, Acta Mater., 59(4), pp.
    keywords: austenite; charging; doi; dss; duplex; embrittlement; ferrite; fracture; heat; hydrogen; samples; steel; tensile
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        item: #749 of 1022
          id: fis-2668
      author: User
       title: Microsoft Word - numero_52_art_09_2668
        date: 2020-02-29
       words: 4736
      flesch: 53
     summary: Citation: Paermentier, B., Debruyne, D., Talemi, R., Numerical modelling of dynamic ductile fracture propagation in different lab- scale experiments using GTN damage model, Frattura ed Integrità Strutturale, 52 (2020) 105-112. In the case of the CVN and DWTT models, a “hard” contact definition using a zero-penetration condition between hammer and specimen was implemented.
    keywords: cvn; damage; dt3; dwtt; dynamic; fracture; gtn; model; pipeline; propagation; simulation; specimen
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        item: #750 of 1022
          id: fis-2678
      author: User
       title: Microsoft Word - numero_52_art_11_2678
        date: 2020-02-29
       words: 4013
      flesch: 52
     summary: Microsoft Word - numero_52_art_11_2678 R. Hadj Boulenouar et alii, Frattura ed Integrità Strutturale, 52 (2020) 128-136; DOI: 10.3221/IGF-ESIS.52.11 128 Three-dimensional numerical analysis of a joint bonded reinforced with silica nanoparticles (SiO2) Hadj Boulenouar Rachid, Boutabout Benali Laboratory of Mechanics Physics of Materials (LMPM), Djillali Liabes University, Department of Mechanical Engineering, Sidi Bel Abbes, Algeria r.hadjboulenouar@gmail.com, bboutabout@yahoo.fr Djebbar Noureddine Laboratory of Mechanics Physics of Materials (LMPM), Hassiba Benbouali University, Department of Mechanical Engineering, Chlef, Algeria. It can be seen that whatever the percentage of silica nanoparticles, the difference between the von Mises stress, which corresponds to different diameters of the nanoparticles is relatively weak.
    keywords: adhesive; epoxy; joint; nanocomposites; nanoparticles; polymer; properties; rate; resin; silica; stress
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        item: #751 of 1022
          id: fis-2679
      author: User
       title: Microsoft Word - numero_51_art_34_2679
        date: 2019-12-09
       words: 4528
      flesch: 65
     summary: s s s s                                                          L (5) 2 2 2 2 2 2 2 2 3 2 2 2 2 2 2 2 2 2 0 1 [ ] 0 2 3 2 2 2 x x INI x x x x x N N N N x ss N N N xs s N N N N N N s x xs                           
    keywords: n n; stress;  
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        item: #752 of 1022
          id: fis-2680
      author: User
       title: Microsoft Word - numero_53_art_02_2680
        date: 2020-05-11
       words: 5896
      flesch: 62
     summary: Microsoft Word - numero_53_art_02_2680 M. C. Oliveira et alii, Frattura ed Integrità Strutturale, 53 (2020) 13-25; DOI: 10.3221/IGF-ESIS.53.02 13 Shear behaviour of reinforced concrete beams under impact loads by the Lumped Damage framework Mateus Cardoso Oliveira, Daniel Victor da Cunha Teles, David Leonardo Nascimento de Figueiredo Amorim Laboratory of Mathematical Modelling in Civil Engineering, Post-graduation Programme in Civil Engineering, Department of Civil Engineering, Federal University of Sergipe, São Cristóvão, Brazil mateusoliver490@gmail.com, http://orcid.org/0000-0001-6227-8516 danielvcteles@gmail.com, http://orcid.org/0000-0002-9206-6351 david.amorim@ufs.br, http://orcid.org/0000-0002-9233-3114 ABSTRACT. The proposed formulation was applied in experiments of reinforced concrete beams under impact loads that presents shear collapse.
    keywords: beams; concrete; damage; doi; impact; plastic; shear;  ;  
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        item: #753 of 1022
          id: fis-2683
      author: User
       title: Microsoft Word - numero_51_art_22_2683
        date: 2019-12-03
       words: 8574
      flesch: 61
     summary: xb k zS k k Sx x k k n k kxz k k   3 3 1 1 3 3 3 1 3 ( ) 2 ( ) 2 22 3 22 3 22 22 3 1 1 2 2( ) ( 1) (1) 44 23 22 3 3 23 23 ( 1) ( ) 1 1 23 23 ( ) ( ) 1 1 1 1 , 1 k k k k k k n nx xrS k r k S k k S Sx x k k n kxP k k S k S k j jx k jS C C x R dx C C R dx C G R dx C G G K G G               
    keywords: crack; displacement; doi; interfaces; k k; layers; load; model; shear; theory; zigzag
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        item: #754 of 1022
          id: fis-2686
      author: User
       title: Microsoft Word - numero_52_art_07_2686
        date: 2020-02-29
       words: 8944
      flesch: 69
     summary: Figure 1: Composite models: (a) Voigt model, (b) Reuss model, (c) Popovics model, (d) Hirsch-Dougill model, (e) Hashin-Hansen model, (f) Maxwell model, (g) Counto1 model, (h) Counto2 model. Error percentages of composite models and experimental results in 7 (%).
    keywords: aggregate; composite; concrete; doi; e e; lightweight; lwac; models; modulus; phase; results; young
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        item: #755 of 1022
          id: fis-2688
      author: User
       title: Microsoft Word - numero_52_art_20_2688
        date: 2020-03-05
       words: 6154
      flesch: 58
     summary: Numerous and varied crack repair techniques have been proposed for arresting or retarding crack propagation in structural components such as: i) the use of bonded composite patch repair, A Baker and al It is obvious that each repair procedure has advantages and disadvantages; this paper focuses on the requirement of hybrid repair method by combining a bonded patch with drilled stop hole, that enhances the residual strength of the damaged structures.
    keywords: composite; crack; doi; drilling; fig; hole; hybrid; notch; patch; repair; stress; zone
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        item: #756 of 1022
          id: fis-2691
      author: User
       title: Microsoft Word - numero_52_art_13_2691
        date: 2020-02-29
       words: 6183
      flesch: 63
     summary: Within this framework, accuracy and efficiency of finite elements have gained fresh prominence. To avoid the problem of singularity in the stiffness matrix and also to improve the accuracy of numerical results, there has been renewed interests in finite element with in-plane rotational degrees of freedom called also drilling rotations [5].
    keywords: analysis; displacement; doi; element; eng; finite; methods; node; plane; rotational; stress
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        item: #757 of 1022
          id: fis-2694
      author: User
       title: Microsoft Word - numero_52_art_12_2694
        date: 2020-02-29
       words: 5855
      flesch: 60
     summary: [32] Yeom, K. J., Lee, Y-K., Oh, K. H., Kim, W. S., (2015) Integrity assessment of a corroded API X70 pipe with a single defect by burst pressure analysis. A variation of burst pressure was found between theoretical prediction and hydrostatic burst test results with respect to the different semi-empirical models even for the same corroded defects.
    keywords: analysis; burst; burst pressure; corroded; corrosion; defect; model; pipe; pipelines; prediction; pressure; strength; stress
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        item: #758 of 1022
          id: fis-2696
      author: User
       title: Microsoft Word - numero_51_art_38_2696
        date: 2019-12-12
       words: 7518
      flesch: 50
     summary: An efficient solution procedure for crushing failure in 3D limit analysis of masonry block structures with non-associative frictional joints, International Journal of Solids and Structures, 69– 70, pp. In detail, masonry blocks are made by bulk finite elements with linearly elastic and isotropic material properties, whereas dry joints are represented as zero-thickness damage-based cohesive interface elements placed in between, equipped with an intrinsic mixed-mode displacement-based traction-separation law (TSL).
    keywords: analysis; blocks; collapse; dem; example; fem; journal; limit; masonry; models; results; structures
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        item: #759 of 1022
          id: fis-2698
      author: User
       title: Microsoft Word - numero_53_art_03_2698
        date: 2020-06-06
       words: 6082
      flesch: 55
     summary: Single lap adhesive joint; Double lap adhesive joint; Fatigue test; Hysteresis. [8] evaluated the fatigue performance and stiffness degradation of double lap adhesive joints, steel bonded to CFRP with a 1.1 mm thick epoxy adhesive layer, subjected to fatigue tests at stress ratios equal to 0.1 and 0.4 at a frequency of 12 Hz.
    keywords: adhesive; cycles; damage; doi; evolution; fatigue; hysteresis; joint; lap; load; specimens; test
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        item: #760 of 1022
          id: fis-2700
      author: User
       title: Microsoft Word - numero_51_art_32_2700
        date: 2019-12-07
       words: 4381
      flesch: 54
     summary: Interlaminar shear strength of fibre metal laminates after thermal cycles, Compos. Analytical evaluation on uniaxial tensile deformation behavior of fiber metal laminate based on SRPP and its experimental confirmation, Compos.
    keywords: adhesive; composite; doi; ilss; laminate; metal; shear; strength; thickness
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        item: #761 of 1022
          id: fis-2704
      author: User
       title: Microsoft Word - numero_53_art_04_2704
        date: 2020-05-07
       words: 6572
      flesch: 59
     summary: The use of power law leads to obtaining of higher strain energy release rate compared to that calculated at linear law (this behavior is attributed to the lower sizes of the beam cross-section when the power law is used for describing the variation of the height and width along the beam length). Microsoft Word - numero_53_art_04_2704 V. Rizov et alii, Frattura ed Integrità Strutturale, 53 (2020) 38-50; DOI: 10.3221/IGF-ESIS.53.04 38 Longitudinal fracture analysis of inhomogeneous beams with continuously varying sizes of the cross-section along the beam length Victor Rizov Department of Technical Mechanics, University of Architecture, Civil Engineering and Geodesy, 1 Chr.
    keywords: beam; crack; cross; energy release; fracture; rate; release rate; section; strain energy
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        item: #762 of 1022
          id: fis-2707
      author: User
       title: Microsoft Word - numero_53_art_05_2707
        date: 2020-05-07
       words: 6482
      flesch: 63
     summary: Several parameters affect the integrity of composite patch repair. Optimisation of composite patches repairs with the design of experiments method, Mater.
    keywords: adhesive; boron; carbon; case; crack; damage; doi; epoxy; epoxy patch; load; mpa; patches; plate; repair
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        item: #763 of 1022
          id: fis-2709
      author: Politecnico
       title: Shot Peening Processes to obtain Nanocrystalline surfaces in metal alloys:
        date: 2020-05-08
       words: 3999
      flesch: 58
     summary: Fatigue damage is always caused by the cumulative plastic strain. The accumulation of plastic deformation per cycle promotes the continuous evolution of fatigue damage, and the accumulated fatigue damage at the middle of the notch root firstly reach 1, indicating the fatigue crack firstly initiates from this position, as shown in Fig.
    keywords: crack; cycle; damage; doi; evolution; fatigue; fatigue damage; initiation; life; notch
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        item: #764 of 1022
          id: fis-2711
      author: User
       title: Microsoft Word - numero_52_art_15_2711
        date: 2020-03-01
       words: 7004
      flesch: 58
     summary: Microsoft Word - numero_52_art_15_2711 A. Drai et alii, Frattura ed Integrità Strutturale, 52 (2020) 181-196; DOI: 10.3221/IGF-ESIS.52.15 181 Finite element modeling of the behavior of polymethyl-methacrylate (PMMA) during high pressure torsion process Ahmed Drai Mechanical Engineering Department, University of Mascara, 29000, LABAB Laboratory of ENPO, Algeria. Recommendations on process conditions were Citation: Drai, A., Aour, B., Belayachi, N., Talha, A., Benseddiq, N., Numerical modeling of polymethyl-methacrylate (PMMA)behavior during high pressure torsion process, Frattura ed Integrità Strutturale, 52 (2020) 181-196.
    keywords: deformation; doi; hpt; mater; plastic; plastic strain; pmma; pressure; process; sample; strain; temperature; torsion
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        item: #765 of 1022
          id: fis-2713
      author: JOE
       title: Shot Peening Processes to obtain Nanocrystalline surfaces in metal alloys:
        date: 2020-03-01
       words: 7844
      flesch: 55
     summary: By considering the software specifications and its extensibility, modifications were made to the Structure, Stress, Tensile, Toughness, CrackGrowth, and Assessment classes, as shown respectively in Figs. 8(a) – 8(f), where the new classes are presented in shaded rectangles. For convenience, these identified classes are renamed and listed (in the same order as those appearing in the problem description) as Cylinder, UniformCorrosion, Crack, Assessment, Weldment, ResidualStress, Material, GeneralInfo, Tensile, Toughness, FCG, Environment, NominalLoad, and Stress classes.
    keywords: assessment; class; classes; component; crack; cylinder; fig; growth; information; level; material; software; standard; stress; tab
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        item: #766 of 1022
          id: fis-2724
      author: User
       title: Microsoft Word - numero_53_art_06_2724
        date: 2020-05-10
       words: 9355
      flesch: 53
     summary: Surface modification and ageing of PMMA polymer by oxygen plasma treatment, Journal of vacuum. Compared to other studies [10, 44], it can be stated that the change in the PMMA behavior (fragile-ductile-fragile) with the nature of aging water and the amount of absorbed water, observed in this study, constitute the originality of this work.
    keywords: aging; behavior; degradation; doi; drinking; exposure; fig; immersion; journal; months; pmma; polymer; properties; radiations; seawater; tensile; water
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        item: #767 of 1022
          id: fis-2726
      author: Politecnico
       title: Shot Peening Processes to obtain Nanocrystalline surfaces in metal alloys:
        date: 2020-05-31
       words: 5471
      flesch: 52
     summary: The flow chart of GA Optimized BPNN method After the GA-BPNN model is established, it can be used to deal with complex nonlinear problems, which provides a reference for the subsequent prediction of aluminum steel welding deformation. Moreover, the deformation of the post-weld plate with the anti-deformation amount predicted by GA-BP neural network is smallest, indicating that the GA-BP neural network is more suitable for the prediction of CMT welding deformation of aluminum-steel.
    keywords: aluminum; bpnn; deformation; network; neural; plate; prediction; steel; welding; welding deformation
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        item: #768 of 1022
          id: fis-2729
      author: User
       title: Microsoft Word - numero_52_art_21_2729
        date: 2020-03-22
       words: 5667
      flesch: 58
     summary: Wavelet transforms are efficient tools for structural health monitoring (SHM) and damage detection. Thus, signal energy analysis is used as an alternative technique for damage detection.
    keywords: beams; conditions; damage; damage detection; detection; elements; energy; mode; shapes; signal; transforms; wavelet
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        item: #769 of 1022
          id: fis-2740
      author: User
       title: Microsoft Word - numero_53_art_08_2740
        date: 2020-05-08
       words: 5977
      flesch: 55
     summary: The structural deformation due to uplifts, the interaction between the fluid movement and the dynamic structural response, and tank stress were completely discussed. Comprehensive studies have been conducted on fluid storage tanks.
    keywords: behavior; centro; earthquake; fluid; moment; storage; stress; tank; time; uplift
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        item: #770 of 1022
          id: fis-2751
      author: User
       title: Microsoft Word - numero_52_art_18_2751
        date: 2020-03-03
       words: 9836
      flesch: 69
     summary: Static and vibration analysis of functionally graded beams using refined shear deformation theory. The objective of this work is to analyze the behavior beams functionally graded, simply supported, under different conditions such as bending, buckling, and vibration and this by use shear deformation theories a two-dimensional (2D) and quasi-three-dimensional (quasi-3D).
    keywords: analysis; beams; buckling; deformation; doi; materials; order; shear; shear deformation; theory; vibration
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        item: #771 of 1022
          id: fis-2753
      author: User
       title: Microsoft Word - numero_53_art_11_2753
        date: 2020-05-10
       words: 3868
      flesch: 49
     summary: A chC kN T RT                   (4) Here, νch is the molar concentration of chemical transverse bonds in the cross-linked polymer; k is the Boltzmann constant; NA is the Avogadro number; R is the gas constant per mole; α=(1+ε/100) is the relative elongation as a function of strain. (2) formally follows the expression: 2 1 2 1 22 ( ) 2 ( )C C            (3)
    keywords: composite; doi; elastomer; materials; nurullaev; polymer; rubbers; temperature; weight
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        item: #772 of 1022
          id: fis-2755
      author: Sky
       title: Shot Peening Processes to obtain Nanocrystalline surfaces in metal alloys:
        date: 2020-05-11
       words: 4508
      flesch: 60
     summary: The fatigue life prediction model of self-piecing riveting components of aluminum alloy is established and the effects of roughness and residual stress on fatigue life are analyzed by the model. The quantitative relations between fatigue life and three variables (roughness, residual stress and maximum stress) are fitted, and the variation trend of fatigue life with roughness and residual stress is obtained.
    keywords: alloy; aluminum; analysis; doi; fatigue; joints; life; riveting; roughness; self; stress
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        item: #773 of 1022
          id: fis-2756
      author: None
       title: fis-2756
        date: 2020-05-16
       words: 10295
      flesch: 67
     summary: Plate-column structure; Acoustic emission (AE); Fire test; Cumulative number of events; Event rate; Energy rate; Gutenberg-Richter parameter (b-value). [30] measured the AE features of two-way reinforced concrete plates in the overall structure, examined the changes in the number of AE events, energy rate and b-value of the plates under fire, and identified the correlation of each parameter with crack development, furnace temperature and vertical displacement of the plates.
    keywords: concrete; cracks; e m; energy; fire; furnace; min; plate; rate; t e; temperature; time
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        item: #774 of 1022
          id: fis-2760
      author: User
       title: Microsoft Word - numero_53_art_14_2760
        date: 2020-05-14
       words: 5762
      flesch: 57
     summary: Generally, sheet metal forming processes are used for the production of automotive parts [2]. Further research developments will include the experimental investigations of the efficacy of linear thickness patches in case of more complex geometries and adopting other sheet materials.
    keywords: base; blanks; doi; forming; material; patch; patchwork; process; sheet; thickness
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        item: #775 of 1022
          id: fis-2761
      author: User
       title: Microsoft Word - numero_52_art_23_2761
        date: 2020-03-22
       words: 5513
      flesch: 62
     summary: (1) with take into account that cr crr ar , and integrating leads to the equation for creep crack growth in terms of C*-integral and creep stress intensity factor crK : 1 1 1 0 02 2 0 (1 ) ( 1) ( ) cr m n m mr m fc fcme cr cr creep fc cr cr da dr aD K D m t t dt K K          A multiaxial creep-damage model for creep crack growth considering cavity growth and microcrack interaction.
    keywords: accumulation; crack; creep; damage; doi; fatigue; growth; rate; stress
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        item: #776 of 1022
          id: fis-2764
      author: User
       title: Microsoft Word - numero_53_art_15_2764
        date: 2020-05-19
       words: 5444
      flesch: 48
     summary: Hence, SBR modified binder is more suitable for areas with cold climate. The results also show that the TSR values of all mixture prepared with rPET and SBR modified binders satisfy the minimum requirement of 80% suggested by many asphalt agencies worldwide.
    keywords: asphalt; astm; binder; bitumen; materials; mixture; properties; results; rpet; sbr; temperature; test
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        item: #777 of 1022
          id: fis-2769
      author: User
       title: Microsoft Word - numero_53_art_09_2769
        date: 2020-05-09
       words: 10048
      flesch: 62
     summary: The parametric study include the effect of different parameters such as NSM bar number, NSM bar length, end inclination angle and end inclination leg length on the flexural behavior of strengthened beams. D ef le ct io n R a ti o , N u m /E x p Element Size, (mm) Loading Plate Support Beam Steel Reinforcement FRP bars (a) (b) R. M. Reda et al., Frattura ed Integrità Strutturale, 53 (2020) 106-123; DOI: 10.3221/IGF-ESIS.53.09 111 Parametric Study The Non-linear finite element models were extended to investigate the effect of various parameters on the flexural behavior of NSM FRP strengthened beams such as; NSM bar numbers, NSM bar length, end anchorage inclination angle and end anchorage inclination length.
    keywords: anchorage; angle; bar length; bars; beams; effect; end; inclination; inclination angle; leg; leg length; load; nsm bar
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        item: #778 of 1022
          id: fis-2780
      author: User
       title: Microsoft Word - numero_53_art_17_2780
        date: 2020-05-15
       words: 4380
      flesch: 54
     summary: Composition wt.% Saturates 8.1 Naphthene-aromatics 48.9 Polar-aromatics 30.8 Asphaltenes 12.2 Table 1: Chemical composition of base bitumen. On this basis and in order to perform all the tests, 1 kg from each of the samples was prepared including the base bitumen, compound of bitumen and SBS polymer as 2.5, 3, 3.5, 4, 4.5, 5, 5.5 and, 6 wt% of the bitumen and the threefold compound of bitumen, SBS polymer with constant 4.5 wt% of bitumen and nano-SiO2 with 1, 2, 3, 4 and, 5 wt% of bitumen, which resulted in preparation of 1 samples of base bitumen, 8 samples of polymeric bitumen and 5 samples of nano polymeric bitumen.
    keywords: base; bitumen; doi; modulus; nano; polymer; sbs; sbs polymer; sio2
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        item: #779 of 1022
          id: fis-2787
      author: User
       title: Microsoft Word - numero_54_art_01_2787
        date: 2020-07-17
       words: 9438
      flesch: 69
     summary: cos 1 cos cos sin 0 sin sin b b b b b b b b b b b b b b b b b b b b b b b b R R R                                          (5) i i e e b b b b j j bbb j i j j ije i bi b b b b
    keywords: b b; b j; concrete; cos; damage; doi; sin; sin b;  
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        item: #780 of 1022
          id: fis-2792
      author: User
       title: Microsoft Word - numero_54_art_16_2792
        date: 2020-09-07
       words: 7421
      flesch: 63
     summary: Microsoft Word - numero_54_art_16_2792 M.A. Warda et al., Frattura ed Integrità Strutturale, 54 (2020) 211-225; DOI: 10.3221/IGF-ESIS.54.16 211 Optimum sustainable mix proportions of high strength concrete by using Taguchi method M.A. Warda, H.S. Khalil, Seleem S. E. Ahmad Materials Department, Faculty of Engineering, University of Zagazig, Egypt mamabowarda@gmail.com, http://orcid.org/0000-0001-2345-6789 hossamkhalil_m@yahoo.com, http://orcid.org/0000-0002-2345-6790 seleemahmad62@yahoo.com, http://orcid.org/0000-0002-2345-6791 I.M. Mahdi Structural Eng. High strength concrete; Taguchi method; Optimal mix design.
    keywords: ash; compressive; concrete; days; fly; method; mix; ratio; splitting; strength; taguchi; tensile; tensile strength
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        item: #781 of 1022
          id: fis-2796
      author: User
       title: Microsoft Word - numero_53_art_33_2796
        date: 2020-06-10
       words: 3765
      flesch: 53
     summary: Specimens were fabricated using hand layup technique with (0/45)° and (0/90)° fiber oriented glass fiber. Effect of fiber angle orientation and stacking sequence on mixed mode fracture toughness of carbon fiber reinforced plastics: Numerical and experimental investigations, Materials Science and Engineering A, 527 pp.
    keywords: doi; epoxy; fiber; fracture; glass; laminates; mode; specimen; toughness
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        item: #782 of 1022
          id: fis-2799
      author: 寿云东
       title: Shot Peening Processes to obtain Nanocrystalline surfaces in metal alloys:
        date: 2020-06-11
       words: 4974
      flesch: 64
     summary: In this paper, a novel coupled elastoplastic damage model for coal-rock is proposed to predict the deformation and potential disaster in coal mining. Moreover, in section 3, a novel coupled elastoplastic damage model for coal-rock is proposed to predict the deformation.
    keywords: coal; damage; doi; model; mpa; plastic; rock; strain; stress
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        item: #783 of 1022
          id: fis-2804
      author: User
       title: Microsoft Word - numero_53_art_22_2804
        date: 2020-05-11
       words: 5839
      flesch: 54
     summary: Increasing optimum moisture content of the soil causes the reduction of density, cohesive and internal angle of friction of mixed soil, resulting in a reduction of soil safe bearing capacity. It is needed to find an effect of each mechanical properties on mixed soil safe bearing capacity and to present guidelines to find the best decision.
    keywords: bearing capacity; doi; foundation; igf; mixture; moisture; prediction; properties; soil
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        item: #784 of 1022
          id: fis-2805
      author: User
       title: Microsoft Word - numero_54_art_15_2805
        date: 2020-09-07
       words: 4233
      flesch: 58
     summary: Je J Je o of dF j dj (14) Or the probability density function (PDF), where ( / )( )J Je oF j . ( / ) ( / )( ) ( ) Pr ( / )( ) ƒ ( ) o def def J Je o o xJ Je X j F j J Je X j x dx                                                                        (13) ( / ) ( / )( ) /J
    keywords: analysis; crack; doi; elastic; fracture; pipes; pressure; probability; surface
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        item: #785 of 1022
          id: fis-2808
      author: 寿云东
       title: Shot Peening Processes to obtain Nanocrystalline surfaces in metal alloys:
        date: 2020-06-11
       words: 5334
      flesch: 72
     summary: [32] Salar, M. R., Saeb, S., Willam, K. J., Patchet, J., Carrasco, R.C. (2004).A coupled elastoplastic damage model for geomaterials, Comput. ij kl ik jl il jk E E E b tr b D D D D b D D b tr                       = + + + − + + + +
    keywords: damage; doi; model; plastic; rock
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        item: #786 of 1022
          id: fis-2820
      author: User
       title: Microsoft Word - numero_53_art_32_2820
        date: 2020-06-16
       words: 3875
      flesch: 54
     summary: Many studies have focused on the analysis of cork behavior through its parameters such as the Young's modulus, the elastic limit and the stresses corresponding to certain critical strain values [5, 7-9, 11-13]. (a) Y. Saadallah, Frattura ed Integrità Strutturale, 53(2020) 417-425; DOI: 10.3221/IGF-ESIS.53.32 422 (b) (c) Figure 5: Linearization of cork behavior in compression at different densities in g.cm-3: a) 0.2340 ; b) 0.2477 ; c) 0.2534).
    keywords: behavior; compression; cork; doi; model; parameters; strain; stress
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        item: #787 of 1022
          id: fis-2821
      author: User
       title: Microsoft Word - numero_53_art_23_2821
        date: 2020-05-15
       words: 4920
      flesch: 54
     summary: Identification strategy of anisotropic behavior laws: application to thin sheets of A5. Figure 3: Identification of the tensile curve for RD with different hardening laws R. Harbaoui et alii, Frattura ed Integrità Strutturale, 53 (2020) 295-305; DOI: 10.3221/IGF-ESIS.53.23 301 Figure 4: Identification of the tensile curve for TD with different hardening laws Figure 5: Identification of the compression curve for ND with different hardening laws The identification is made in the area of plastic deformation where the elastic deformation is neglected (as it is indicated above in the hypothesis).
    keywords: alloy; behavior; criterion; experimental; hardening; identification; law; ludwick; magnesium; parameters; tensile
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        item: #788 of 1022
          id: fis-2824
      author: User
       title: Microsoft Word - numero_53_art_31_2824
        date: 2020-06-04
       words: 5859
      flesch: 41
     summary: The analysis of composite material damage due to macro-fissure development, the study of developmental prototype fracture surfaces was performed with the use of stereomicroscope Carl Zeiss SteREO Discoverjу.V12. Despite the significant achievements of experimental composite mechanics, the issues that need extra studies include complex theoretical and experimental study of damage accumulation process regularities, defects development, structural and macro-damage of structural polymer composite materials operating under the conditions of non-homogeneous strain fields in the parts with various geometry concentrators.
    keywords: analysis; composite; correlation; deformation; doi; fiber; fields; image; size; strain; stress; use
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        item: #789 of 1022
          id: fis-2825
      author: User
       title: Microsoft Word - numero_53_art_27_2825
        date: 2020-05-31
       words: 3607
      flesch: 58
     summary: Geometry parameters F and Q are calculated for tensile plate with a surface crack (a/2c=0.13 for ¼ crack and ≤1) at the point of maximum stress intensity factor (φ=900) as follows: 1.65 1 1.464 1.08 c Q a         for ¼ crack and 1.22 and for ½ crack, 2 4 1 2 3 1.102w a a F M M M gf f t t                     for ¼ crack and 1.033 and for ½ crack, 1 1.13 0.09 1.106 c M a            for ¼ crack and 1.108 and for ½ crack, 2 0.89 0.54 1.39 1 / M a c 
    keywords: assessment; crack; integrity; kirin; mpa; p=12.05; p=9.02; penstock; risk; sedmak
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        item: #790 of 1022
          id: fis-2833
      author: User
       title: Microsoft Word - numero_53_art_29_2833
        date: 2020-05-31
       words: 11202
      flesch: 61
     summary: x x C x x d C x x C x x x                                          (9) where 2ˆ ˆ Explicit and simple expressions for root compliance coefficients, which can be used to define root rotations and root displacements at the crack tip cross section of orthotropic cracked beams, are derived under general self-equilibrated loading conditions at the crack tip.
    keywords: beam; coefficients; compliance; crack; eqn; matching; model; results; root; rotation; shear
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        item: #791 of 1022
          id: fis-2836
      author: None
       title: Vibration control in buildings under seismic excitation using optimized tuned mass dampers - YouTube
        date: None
       words: 24
      flesch: -2
     summary: Vibration control in buildings under seismic excitation using optimized tuned mass dampers - YouTube AboutPressCopyrightContact usCreatorsAdvertiseDevelopersTermsPrivacyPolicy & SafetyHow YouTube worksTest new features Google LLC
    keywords: youtube
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        item: #792 of 1022
          id: fis-2837
      author: User
       title: Microsoft Word - numero_54_art_08_2837
        date: 2020-09-07
       words: 5768
      flesch: 64
     summary: The experimental results show that adding 0.3% to 0.9% % steel fibers for concrete increases simultaneously the compressive, tension, and also flexural strengths in comparison with plain concrete. However, in steel fiber concrete with 0.6% and 0.9% fibers (CSF0.6, CSF0.9), this ratio has been reached the J. Akbari et alii, Frattura ed Integrità Strutturale, 54 (2020) 116-127; DOI: 10.3221/IGF-ESIS.54.08 125 lowest value equal to 52%.
    keywords: cement; compressive; concrete; fibers; glass; ratios; specimens; steel; strength; tensile; water
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        item: #793 of 1022
          id: fis-2839
      author: 李冠华
       title: Shot Peening Processes to obtain Nanocrystalline surfaces in metal alloys:
        date: 2020-09-07
       words: 5153
      flesch: 60
     summary: columns Analysis of load-deformation histories Load-deformation curves of circular CFAT core concrete, square CFAT core concrete, aluminum tube of circular CFAT and aluminum tube of square CFAT are shown in Fig. 9. The contact pressure distribution of circular CFAT tube is more uniform.
    keywords: aluminum; cfat; compression; concrete; core; doi; square; strength; stress; tube
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        item: #794 of 1022
          id: fis-2840
      author: User
       title: Microsoft Word - numero_53_art_30_2840
        date: 2020-06-02
       words: 6140
      flesch: 63
     summary: On the basis of the obtained results, some conclusions were drawn regarding the applicability of the analyzed relations to ice wall thickness calculations. A simple analytical relations are commonly used in engineering practice to calculate ice wall thickness.
    keywords: clay; eqn; frozen; ice; ice wall; load; results; sand; soil; thickness; wall
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        item: #795 of 1022
          id: fis-2848
      author: User
       title: Microsoft Word - numero_54_art_04_2848
        date: 2020-09-02
       words: 5346
      flesch: 43
     summary: The authors have identified the relation of the chosen parameters of experimental data processing using digital image correlation method with the scaled levels of consideration of composite materials strain processes. The efficient parameters of mathematical data processing are identified according to digital image correlation method on the basis of building fields for one frame on the surface of laminated fiberglass reinforced plastic at various subset values and at fixed step value.
    keywords: area; composite; correlation; digital; doi; fields; image; material; non; size; step; strain; surface; value
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        item: #796 of 1022
          id: fis-2851
      author: User
       title: Microsoft Word - numero_54_art_11_2851
        date: 2020-09-07
       words: 7660
      flesch: 66
     summary: N S T N S N T S 6 presents three combination among the tensile tests carried out, that shows the effect of tool rotational speed on the mechanical behavior of the joint.
    keywords: doi; friction; min; parameters; speed; stir; strength; tensile; tool;  
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        item: #797 of 1022
          id: fis-2853
      author: User
       title: Microsoft Word - numero_55_art_01_2853
        date: 2020-11-06
       words: 10284
      flesch: 62
     summary: Composite columns can attain high loads with small cross section in comparison with concrete columns. Modeling of stress–strain relationships for steel and concrete in concrete filled circular steel tubular columns, J. Steel Construction Engineering, 3 (11), pp.
    keywords: cfrp; columns; compressive; concrete; doi; gfrp; layers; load; sheets; specimens; steel; transversal; tube; ultimate
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        item: #798 of 1022
          id: fis-2857
      author: User
       title: Microsoft Word - numero_54_art_06_2857
        date: 2020-08-18
       words: 9217
      flesch: 56
     summary: Fatigue life analysis based on six sigma robust optimization for pantograph collector head support, Advances in Mechanical Engineering, 8(11), pp. Fatigue analysis; Uncertainty quantification; Uncertain fatigue analysis; S-N curve; Hybrid uncertainty quantification; Bi-level Hybrid uncertainty quantification.
    keywords: analysis; deterministic; doi; eqn; fatigue; level; life; s s; srqs; stress; type; uiqs; uncertainty
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        item: #799 of 1022
          id: fis-2860
      author: User
       title: Microsoft Word - numero_54_art_07_2860
        date: 2020-08-17
       words: 6251
      flesch: 64
     summary: A numerical method was proposed to have a comprehensive comparison of seismic behaviors of the plane wall (PW) and stiffened plane wall (SPW) with different stiffener characteristics, having the same weight, by using finite element modeling (FEM). It was found that the proposed SPW with horizontal L, T, and U stiffeners could effectively improve load- carrying capacity by about 4, 20, and 23%, respectively.
    keywords: behavior; capacity; cyclic; doi; fig; load; spw; steel; stiffeners; walls
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        item: #800 of 1022
          id: fis-2863
      author: User
       title: Microsoft Word - numero_54_art_09_2863
        date: 2020-09-07
       words: 4691
      flesch: 63
     summary: Composite patches are used over the cracked area that prevents or delays crack propagation due to the reduction in the stress intensity factor [1–9]. All geometric data for the main plate, adhesive layer, and composite patch can be shown in Tab. 1. FINITE ELEMENT MODELING he three-dimensional finite element method (3D-FEM) is utilized to show the effect of GFRP patch on repairing the cracked aluminum plate under static load.
    keywords: composite; crack; effect; patch; plate; repair
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        item: #801 of 1022
          id: fis-2880
      author: User
       title: Microsoft Word - numero_55_art_02_2880
        date: 2020-11-10
       words: 6529
      flesch: 59
     summary: Investigation of particle size and amount of alumina on microstructure and mechanical properties of Al matrix composite made by powder metallurgy. These outcomes indicate that the chemical compositions of the SiC/Al2O3 reinforced Al composites are consistent.
    keywords: al2o3; composites; hardness; heat; matrix; mmcs; particles; properties; sic; strength; wear
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        item: #802 of 1022
          id: fis-2894
      author: User
       title: Microsoft Word - numero_54_art_13_2894
        date: 2020-09-07
       words: 4048
      flesch: 67
     summary: [18] numerically solved the case of square crack with a small rounded apex. Few examples of convex three- dimensional cracks can be found in textbooks [1–3].
    keywords: crack; integral; intensity; livieri; point; stress
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        item: #803 of 1022
          id: fis-2901
      author: User
       title: Microsoft Word - numero_54_art_14_2901
        date: 2020-09-07
       words: 5591
      flesch: 53
     summary: [8] supplemented the formulation which is referred to as the mechanism-based theory of strain gradient plasticity (MSG), where the characteristic length of the material structure corresponds to the scale at which the effects of the gradients are comparable with the strain values. [10] numerical crack tip fields in strain gradient plasticity.
    keywords: crack; crack tip; density; dislocations; gradient; length; material; plasticity; strain; stress; theory; tip
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        item: #804 of 1022
          id: fis-2903
      author: User
       title: Microsoft Word - numero_55_art_09_2903
        date: 2020-11-10
       words: 7620
      flesch: 51
     summary: In addition, since residual stresses are intrinsic to every metallic additive manufacturing process, the influence of those stresses will be also analysed. However, this geometrical design may have repercussions in the fatigue strength due to stress concentrations and residual stresses promoted by the thermal effects during the AM process.
    keywords: additive; analysis; component; doi; fatigue; fig; load; manufacturing; material; optimization; orientation; process; stress; stresses; topology
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        item: #805 of 1022
          id: fis-2905
      author: User
       title: Microsoft Word - numero_55_art_11_2905
        date: 2020-11-24
       words: 6900
      flesch: 59
     summary: In the same subject, Bilici and his co-authors [32-35], presented interesting experimental results on friction stir spot welding of thermoplastics. [32] Bilici, M.K. and Yukler, A.I. (2012), Effects of welding parameters on friction stir spot welding of high density polyethylene sheets, Materials and Design, 33, pp.
    keywords: doi; dwell; friction; fssw; joint; parameters; process; speed; spot; stir; tensile; time; tool; welding
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        item: #806 of 1022
          id: fis-2907
      author: User
       title: Microsoft Word - numero_55_art_03_2907
        date: 2020-10-19
       words: 6394
      flesch: 59
     summary:   1 inter inc inter inc mat P P P (14)    1 inter inc inter inc mat P P P E E E E (15) T K. Fedaoui et alii, Frattura ed Integrità Strutturale, 55 (2021) 36-49; DOI: 10.3221/IGF-ESIS.55.03 38 Figure 3: von Misses stress and shear ratio for the case of 10 % as a function of unit cell length for different mesh density ellipsoid interphase morphology (case 10% case 2) Mean-field (MF) homogenization techniques The results are independent of the kinds of interphases morphology.
    keywords: case; composite; doi; interphase; interphase morphology; interphase young; matrix; modulus; morphology; properties; stress; volume; young
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        item: #807 of 1022
          id: fis-2909
      author: User
       title: Microsoft Word - numero_54_art_19_2909
        date: 2020-09-07
       words: 4054
      flesch: 53
     summary: This article discusses the influence of maximum residual stresses on the intensity factor. The results interpreted in terms of damage, allowed us to identify the risk zones; characterized by a significant level of maximum residual stresses (S11Max, S22Max, S33Max), namely the particle/Matrix interface.
    keywords: analysis; crack; doi; effect; intensity; interface; matrix; maximum; particle; stresses
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        item: #808 of 1022
          id: fis-2913
      author: User
       title: Microsoft Word - numero_55_art_04_2913
        date: 2020-10-19
       words: 5268
      flesch: 61
     summary: Various sand concrete studied The composition of the samples used in our cubic meter of sand concrete is presented in Table 7 according to different used types of sand. Durability; Economic; Sand concrete; Sand dune; Naturel sand.
    keywords: concrete; dune; gsd; nsr; oued; ratm; samples; sand; strength; water
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        item: #809 of 1022
          id: fis-2915
      author: User
       title: Microsoft Word - numero_55_art_10_2915
        date: 2020-11-17
       words: 3269
      flesch: 53
     summary:  2 2 2 Ψ R F [6], from where               2 22 2 R F R FR F (10) where  R and  (4) takes the following form:                n lts А Е R 0 (6) or            1   0   n lts d А Е dt R (7) After transformation of Eqn.
    keywords: reliability; strength; stresses; time; variation
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        item: #810 of 1022
          id: fis-2918
      author: User
       title: Microsoft Word - numero_55_art_08_2918
        date: 2020-11-06
       words: 3665
      flesch: 61
     summary: Recently, Hassanin et al.[9] conducted a numerical study on a large number of composite beams models under the influence of fatigue loads. In the last few decades, composite beams, steel I beam, and concrete slab, have had a wide range of usage in bridges construction.
    keywords: beams; concrete; connectors; fatigue; loading; shear; steel; study
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        item: #811 of 1022
          id: fis-2924
      author: User
       title: Microsoft Word - numero_55_art_05_2924
        date: 2020-10-19
       words: 5629
      flesch: 72
     summary: From this work, we can say that the current and simple theory of the resolution of the mechanical behavior of porosity FGM plates that defect factories.            /2 /2 , , 1 , , , , , ( ), , x y xy h b b b x y xy x y xy hs s s x y xy N N N M M M z dz f zM M M (9a)         /2 /2 , , ( ) h s s xz yz xz yz h S S g z dz (9b)
    keywords: plates; porosity; s s; shear; theory;  
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        item: #812 of 1022
          id: fis-2925
      author: User
       title: Microsoft Word - numero_55_art_06_2925
        date: 2020-11-04
       words: 5634
      flesch: 57
     summary: Despite the growing diffusion of composite materials in automotive and aerospace sectors, a standard procedure for testing their crashworthiness has not been developed yet. At present, the international standards for testing composite materials under impact conditions are not adequate to test their crush behavior.
    keywords: composite; crushing; energy; failure; fixture; force; impact; material; specimen; test; testing
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        item: #813 of 1022
          id: fis-2926
      author: User
       title: Microsoft Word - numero_55_art_27_2926
        date: 2020-12-28
       words: 5978
      flesch: 57
     summary: N. Hammadi et alii, Frattura ed Integrità Strutturale, 55 (2021) 345-359; DOI: 10.3221/IGF-ESIS.55.27 355 Figure 10: damage moment–rotation curve with effect of angular elbows in the case of pressure 30bar and temperature of 40°C under opening, closing and out-off plan flexion moment Figure 11: [10] where they digitally analyzed the structure under pressure and damage moment by thermal effect and in the presence of defects.
    keywords: bending; case; damage; doi; effect; elbow; moment; pressure; stress; structure
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        item: #814 of 1022
          id: fis-2933
      author: User
       title: Microsoft Word - numero_55_art_14_2933
        date: 2020-12-11
       words: 4667
      flesch: 57
     summary: So, the encapsulation procedure used in this study was a T S.S. Ali et alii, Frattura ed Integrità Strutturale, 55 (2021) 187-197; DOI: 10.3221/IGF-ESIS.55.14 196 successful technique to build rejuvenator capsules. As a result, the brittleness of asphalt mixture increased [9].
    keywords: aggregates; asphalt; binder; capsules; doi; fig; mixture; nano; zycosil
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        item: #815 of 1022
          id: fis-2940
      author: User
       title: Microsoft Word - numero_55_art_17_2940
        date: 2020-12-17
       words: 6147
      flesch: 63
     summary: [17] Haidir Maslan, M. (2015), Development of predictive finite element models for complete contact fretting fatigue , PhD thesis, the Faculty of Engineering and Physical Sciences, School of Mechanical, Aerospace and Civil Engineering, University of Manchester. Fretting fatigue; Finite Element Method; 3 dimensions; crack and the stress intensity factors.
    keywords: contact; crack; fatigue; k0 σ; mesh; stress
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        item: #816 of 1022
          id: fis-2941
      author: Politecnico
       title: Shot Peening Processes to obtain Nanocrystalline surfaces in metal alloys:
        date: 2020-12-26
       words: 4455
      flesch: 62
     summary: It can be seen that the predicted results from the Engelmaier model and creep strain energy density model are almost the same, and the thermal fatigue life from creep strain model is relatively shorter. Consequently, according to the obtained range of shear strain, accumulated creep strain and creep strain energy density at the corner point of the solder layer, the corresponding thermal fatigue lives were determined by Engelmaier model, creep strain model and creep strain energy density model, respectively.
    keywords: creep; doi; fatigue; igbt; layer; model; power; sic; solder; strain; stress; temperature; tim2
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        item: #817 of 1022
          id: fis-2943
      author: User
       title: Microsoft Word - numero_55_art_15_2943
        date: 2020-12-15
       words: 9020
      flesch: 56
     summary: Microsoft Word - numero_55_art_15_2943 P. Santos et alii, Frattura ed Integrità Strutturale, 55 (2021) 198-212; DOI: 10.3221/IGF-ESIS.55.15 198 Mechanical characterization of different epoxy resins enhanced with carbon nanofibers P. Santos, A. Maceiras, S. Valvez, P.N.B. Reis University of Beira Interior, Centre for Mechanical and Aerospace Science and Technologies (C-MAST-UBI), Depart. Citation: Santos, P., Maceiras, A., Valvez, S., Reis, P.N.B., Mechanical characterization of different epoxy resins enhanced with carbon nanofibers, Frattura ed Integrità Strutturale, 55 (2021) 198-212.
    keywords: bending; carbon; chemical; cnfs; creep; curing; doi; ebalta; epoxy; epoxy resin; matrix; neat; properties; resin; sicomin; strain; stress; wt.%
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        item: #818 of 1022
          id: fis-2949
      author: User
       title: Microsoft Word - numero_56_art_05_2949
        date: 2021-03-11
       words: 5145
      flesch: 57
     summary: [22] employ L9 Taguchi orthogonal array to study abrasive wear behaviour of hexagonal boron nitride incorporated polyetherketone (PEK) composites. Abrasive wear plays a vital role in industrial applications like power plant chute liner, mining and earthmoving equipment [1].
    keywords: behaviour; composites; doi; glass; matrix; particles; resistance; sicp; wear
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        item: #819 of 1022
          id: fis-2951
      author: User
       title: Microsoft Word - numero_55_art_18_2951
        date: 2020-12-19
       words: 6806
      flesch: 55
     summary: For calculations it was assumed: P = 10 kN – load in the form of concentrated force distributed around the circumference of the hole with a diameter; b = 12 mm – hole diameter; b1 – 14 mm – pressure stamp diameter; D = 300 mm – outer diameter of the plate; H = 10 mm – base layer thickness (steel plate); a = 2.5 mm – applied layer thickness (titanium plate); h1 = 5.64 mm (Fig. 2); h2 = 4.36 mm (Fig. 2); The research results presented in the paper can be used by engineers to design bimetallic perforated plates perpendicularly loaded to their surface.
    keywords: layer; plate; steel; stress; titanium
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        item: #820 of 1022
          id: fis-2955
      author: User
       title: Microsoft Word - numero_56_art_06_2955
        date: 2021-02-24
       words: 5875
      flesch: 59
     summary: Figure 2: Microstructures of alloyed cast iron in the cast condition. For alloyed cast iron, the microhardness of the ferrite is 166 HV (the standard deviation is 1.41 HV) and 282 HV for pearlite were the standard deviation is 2.16 HV.
    keywords: cast; cast iron; doi; elements; graphite; iron; properties; resistance; standard; strength; wear
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        item: #821 of 1022
          id: fis-2957
      author: User
       title: Microsoft Word - numero_55_art_13_2957
        date: 2020-12-09
       words: 6752
      flesch: 59
     summary: Metal-composite joints; Cold hole expansion; Residual stress intensity factor; Residual stress. Residual stresses have a beneficial effect on lifetime of pin/rivet joints with cold-expanded holes.
    keywords: cold; crack; cycle; doi; fatigue; hole; length; loading; sif; specimens; stress; values
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        item: #822 of 1022
          id: fis-2960
      author: User
       title: Microsoft Word - numero_55_art_20_2960
        date: 2020-12-22
       words: 3588
      flesch: 59
     summary: Martensite; Ferrite; Intercritical temperature; Volume fraction; Dual phase steel; Fracture toughness. Research also shows, dual phase steels are considered as metallic composite due to its composite microstructure, have the special characteristics like high strength and ductility properties, excellent formability
    keywords: carbon; dual; ferrite; fracture; fracture toughness; martensite; phase; steel; toughness
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        item: #823 of 1022
          id: fis-2961
      author: User
       title: Microsoft Word - numero_55_art_26_2961
        date: 2020-12-27
       words: 4259
      flesch: 58
     summary: CHEMICAL COMPOSITION ANALYSIS he fact that one of the slab carrying clamp support levers was welded unknown until the failure had occurred. CONCLUSION ailure of the slab carrying clamp support lever had occurred in the heat affected zone of the welded joint.
    keywords: analysis; doi; failure; fracture; lever; load; sedmak; stresses; surface
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        item: #824 of 1022
          id: fis-2964
      author: User
       title: Microsoft Word - numero_58_art_09_2964.docx
        date: 2021-10-01
       words: 6143
      flesch: 58
     summary: The process of dynamic model updating based on Kriging model The structural features and response types are taken into account for the construction of a suitable FEM, requiring rational simplification and parameterization and so on. First, the influence of different correlation functions of Kriging model is inspected, followed by the investigation of the approximate capability of Kriging model by inspecting the approximate accuracy of nonlinear functions.
    keywords: design; doi; fem; function; kriging; model; optimization; samples; updating
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        item: #825 of 1022
          id: fis-2967
      author: yaog
       title: Article
        date: 2020-12-23
       words: 8283
      flesch: 48
     summary: Characterization of the as-forged properties of forged Mg components in recent years has become T A. Gryguć et alii, Frattura ed Integrità Strutturale, 55 (2021) 213-227; DOI: 10.3221/IGF-ESIS.55.16 215 more widespread in literature. This work aims to investigate the effects of thermomechanical processing defects on the fatigue behaviour of forged Mg components by using the material properties extracted from the small-scale specimens which are free of macroscopic defects from within the forged component whilst comparing and contrasting them with the component level behaviour under in-service loading in a realistic forged component with varying levels of defect intensities.
    keywords: az80; component; crack; defects; doi; fatigue; fig; forging; fracture; loading; location; magnesium; strain; surface
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        item: #826 of 1022
          id: fis-2968
      author: Andy
       title: Shot Peening Processes to obtain Nanocrystalline surfaces in metal alloys:
        date: 2020-12-26
       words: 4626
      flesch: 67
     summary: All these approaches might be more or less accurate for various materials at different loading paths, therefore it is important to validate multiaxial fatigue models in particular cases. [37], the authors considered multiaxial fatigue models and compared them based on the results of biaxial non- proportional tests with a constant component of the shear and normal loading axes.
    keywords: alloy; aluminum; amplitude; doi; fatigue; loading; stress
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        item: #827 of 1022
          id: fis-2969
      author: User
       title: Microsoft Word - numero_55_art_19_2969
        date: 2020-12-19
       words: 4813
      flesch: 59
     summary: F. Cucinotta et alii, Frattura ed Integrità Strutturale, 55 (2021) 258-270; DOI: 10.3221/IGF-ESIS.55.19 265 These behaviours are perfectly congruent with the stresses in the two examined areas: compressive stress for the central area AR05 and tensile stress for the upper right corner area AR04. S I F. Cucinotta et alii, Frattura ed Integrità Strutturale, 55 (2021) 258-270; DOI: 10.3221/IGF-ESIS.55.19 260 Figure 1: Qualitative ΔTs trend vs machine time (t) vs applied stress (σ).
    keywords: area; concrete; doi; fatigue; figure; load; specimen; stress; temperature; tests; time
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        item: #828 of 1022
          id: fis-2971
      author: User
       title: Microsoft Word - numero_55_art_21_2971
        date: 2020-12-24
       words: 4445
      flesch: 58
     summary: The stress distribution topography revealed the zones of maximum stress of the steel – titanium perforated plate. Citation: Konieczny, M. M., N., Achtelik, H., Gasiak, G., Experimental analysis of the state of stress in a steel – titanium perforated plate loaded with concentrated force, Frattura ed Integrità Strutturale, 55 (2021) 277-288.
    keywords: force; layer; load; plate; steel; strain; stress; titanium
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        item: #829 of 1022
          id: fis-2973
      author: User
       title: Microsoft Word - numero_55_art_22_2973
        date: 2020-12-24
       words: 6195
      flesch: 60
     summary: MATERIALS AND METHODS tainless steel wire mesh–reinforced Al-matrix composite samples were obtained by gravity casting. Thinking about the automotive and transport industry, lighter and lighter vehicles could be built by replacing steels with aluminum alloys
    keywords: alloy; aluminum; bonding; casting; doi; heat; interface; matrix; steel; treatment; wire
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        item: #830 of 1022
          id: fis-2974
      author: User
       title: Microsoft Word - numero_55_art_23_2974
        date: 2020-12-24
       words: 8248
      flesch: 61
     summary: [38] is a common method to estimate the fatigue life of structures submitted to a history of variable loads based on a series of fatigue stresses with constant amplitudes. Analysis of the design of experiments of offshore wind turbine fatigue reliability design with Kriging surfaces.
    keywords: analysis; crack; damage; design; engineering; fatigue; frattura; joints; loads; stress; structures; strutturale; turbine; wave; wind
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        item: #831 of 1022
          id: fis-2980
      author: Politecnico
       title: Shot Peening Processes to obtain Nanocrystalline surfaces in metal alloys:
        date: 2021-05-18
       words: 4690
      flesch: 55
     summary: Two-body abrasion of a cast Al–Cu (2014 Al) alloy–Al2O3p particle composite: influence of heat treatment and abrasion test parameters. Mechanical behavior of particle reinforced metal matrix composites.
    keywords: al2014; al2o3p; alloy; alumina; composites; fig; matrix; particles; properties; weight
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        item: #832 of 1022
          id: fis-2981
      author: 寿云东
       title: Shot Peening Processes to obtain Nanocrystalline surfaces in metal alloys:
        date: 2021-03-13
       words: 12816
      flesch: 58
     summary: The cracking mechanisms of rocks have been studied experimentally on rock-like materials or rock materials, and rock-like materials are widely used because the flaws are easy to be fabricated. The effect of specimen shape and strain rate on uniaxial compressive behavior of rock material, Bull.
    keywords: barite; brittle; content; crack; doi; materials; polyamide; rock; rosin; rosin content; rubber; sand; silicone; stress
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        item: #833 of 1022
          id: fis-2984
      author: User
       title: Microsoft Word - numero_56_art_03_2984
        date: 2021-03-03
       words: 4223
      flesch: 56
     summary: Modulus; Hardness; Nanometer scale; Low indentation depths; Indentation size effect. For low indentation penetrations of the order of (0.8 ÷ 11) nm induced by low indentation forces which vary between (9.83.10-5 ÷ 1.54.10-3) mN generate a Young's modulus which varies in the interval of (6.3 ÷ 10) GPa.
    keywords: doi; effect; gpa; hardness; indentation; mode; modulus; pmma; results; surface
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        item: #834 of 1022
          id: fis-2988
      author: User
       title: Microsoft Word - numero_56_art_08_2988
        date: 2021-03-07
       words: 8276
      flesch: 54
     summary: Concrete bridge protection, repair, and rehabilitation relative to reinforcement corrosion: a methods application manual. Figure 8: Effect of diffusion coefficient and chloride ion concentration on corrosion initiation time.
    keywords: aggressiveness; chloride; concentration; concrete; corrosion; cover; diffusion; doi; environment; initiation; ions; lifetime; reinforcements; section; tank; time
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        item: #835 of 1022
          id: fis-2991
      author: User
       title: Microsoft Word - numero_56_art_17_2991
        date: 2021-03-21
       words: 6390
      flesch: 64
     summary: [9], the effect of bentonite on mechanical and durability behaviour of both natural aggregates concrete (NAC) and recycled aggregates concrete (RAC) was investigated and compared. To understand the degradation of mechanical properties of recycled aggregate concrete (RAC) after acid rain exposure, the effect of recycled coarse aggregate (RCA) replacement ratios, the acidity (pH value) of the simulated acid rain solution and mineral admixtures on compressive strength and elastic modulus of RAC are investigated in the study of Lu et al.
    keywords: aggregates; compressive; concrete; doi; element; method; strength;  
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        item: #836 of 1022
          id: fis-2994
      author: Suresh
       title: Shot Peening Processes to obtain Nanocrystalline surfaces in metal alloys:
        date: 2021-03-18
       words: 5671
      flesch: 56
     summary: Investigation of particle size and amount of alumina on microstructure and mechanical properties of Al matrix composite made by powder metallurgy. The effects of different ceramics size and volume fraction on wear behavior of Al matrix composites (for automobile cam material).
    keywords: al2o3; behavior; composite; hardness; matrix; mmcs; particulates; sic; tensile; wear
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        item: #837 of 1022
          id: fis-2997
      author: Admin
       title: Shot Peening Processes to obtain Nanocrystalline surfaces in metal alloys:
        date: 2021-03-15
       words: 3482
      flesch: 56
     summary: To answer this problem, we will first study the mechanical behavior at failure of HDPE pipes in the presence of a surface defect using a finite element method. These results show that the new hybrid composite can be used in the rehabilitation and repair of HDPE pipes used for the transport of drinking water.
    keywords: composite; crack; defect; doi; hdpe; pipe; pressure; repair; tube
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        item: #838 of 1022
          id: fis-3001
      author: User
       title: Microsoft Word - numero_56_art_11_3001
        date: 2021-03-09
       words: 4683
      flesch: 61
     summary: Linear static analysis of perforated plates with round and staggered holes under their self-weights. I https://youtu.be/TOqfo4QUDc8 M. M. Konieczny et alii, Frattura ed Integrità Strutturale, 56 (2021) 137-150; DOI: 10.3221/IGF-ESIS.56.11 138 Figure 1: Model of bimetallic perforated plate [3].
    keywords: bimetallic; case; fig; layer; plate; stress
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        item: #839 of 1022
          id: fis-3002
      author: User
       title: Microsoft Word - numero_56_art_04_3002
        date: 2021-02-15
       words: 3956
      flesch: 60
     summary: The satellite will also contribute to space geodesy and global climate monitoring similarly to what has been done with LARES satellite [3]. This type of design has been experimented the first time with LARES satellite [4].
    keywords: alloy; casting; doi; haynes; lares; pilone; satellite
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        item: #840 of 1022
          id: fis-3004
      author: User
       title: Microsoft Word - numero_56_art_10_3004
        date: 2021-03-08
       words: 4815
      flesch: 61
     summary: Citation: Fawzi., F., Hassan, H., Madqour., M. Experimental and analytical investigations of reinforced concrete beams strengthened by different CFRP sheet schemes, Frattura ed Integrità Strutturale, 56 (2021) 123-136. [2] In this study, 3D-FEM is analyzed in reinforced concrete beams on the basis of a load-deflection reaction analysis.
    keywords: beams; cfrp; concrete; deflection; failure; integrità; load; strength; strutturale
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        item: #841 of 1022
          id: fis-3006
      author: User
       title: Microsoft Word - numero_56_art_07_3006
        date: 2021-02-21
       words: 3730
      flesch: 64
     summary: [10] studied the effect of GMA welding process parameters on AISI 202 steel weldments and developed a model for mechanical properties and they showed in their results that higher the arc voltage decreases the hardness and mechanical quality but increases with increasing in welding speed. This study was carried out in order to determine the effect of GMA welding process parameters on the mechanical quality of weldments i.e. toughness and hardness.
    keywords: arc; gas; hardness; model; parameters; response; toughness; welding; wire
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        item: #842 of 1022
          id: fis-3009
      author: User
       title: Microsoft Word - numero_56_art_16_3009
        date: 2021-03-20
       words: 3193
      flesch: 61
     summary: The effects of the load ratio on both the repaired and not repaired plates, by two composite patches, which are boron/epoxy and graphite/epoxy, were investigated, as well as the effect of the plate material on plate life, comparing different materials. Investigation into cracked aluminum plate repaired with bonded composite patch.
    keywords: composite; crack; effect; epoxy; fatigue; life; load; plate
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        item: #843 of 1022
          id: fis-3022
      author: User
       title: Microsoft Word - numero_56_art_19_3022
        date: 2021-03-22
       words: 5004
      flesch: 63
     summary: Citation: Mohamed Ben Ali, A., Bouziane, S., Bouzerd, H., Computation of mode I strain energy release rate of symmetric and asymmetrical sandwich structures using mixed finite element, Frattura ed Integrità Strutturale, 56 (2021) 229-239. Shah and Tarfaoui [10] studied the effect of adhesive thickness on the mode I and II strain energy release rates, comparative study was carried out using different approaches for the calculation of mode I and II SERR.
    keywords: beam; element; energy; energy release; mode; rate; release; sandwich; strain
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        item: #844 of 1022
          id: fis-3025
      author: User
       title: Microsoft Word - numero_57_art_01_3025
        date: 2021-05-18
       words: 4645
      flesch: 52
     summary: [9] Kovalchenko, A., Ajayi, O., Erdemir, A. (2011), Friction and wear behaviour of laser surface textured surface under lubricated initial point contact”, Wear, 271, pp. 1719-1725. Then after textured surfaces were investigated by using optimized ISO-68 lubricant.
    keywords: effect; friction; load; micro; plate; steel; surface; texture; texturing; wear
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        item: #845 of 1022
          id: fis-3029
      author: User
       title: Microsoft Word - numero_56_art_15_3029
        date: 2021-03-20
       words: 2705
      flesch: 54
     summary: Microsoft Word - numero_56_art_15_3029 I. Boudjemaa et alii, Frattura ed Integrità Strutturale, 56 (2021) 187-194; DOI: 10.3221/IGF-ESIS.56.15 187 Effect of multi-layer prosthetic foam liner on the stresses at the stump–prosthetic interface I. Boudjemaa, A. Sahli, A. Benkhettou, S. Benbarek Department of Mechanical Engineering, Laboratory Mechanics Physics of Materials (LMPM), University of SidiBel Abbes, BP 89, cite Ben M’hidi, SidiBel Abbes, 22000, Algeria ismailboubou000@gmail.com sahliabderahmen@yahoo.fr, http://orcid.org/0000-0002-5183-1168 aekben.dz@22gmail.com sma_benbarek@yahoo.fr, http://orcid.org/0000-0002-5420-9144 ABSTRACT.The prosthetic liner plays a significant role in the redistribution of the pressure between the stump and the socket, as adds a cushioning layer between the stump and the socket which relieves pain and makes the prosthesis more comfortable. The distributions of displacement in all six cases of multi-layer prosthetic foam liner allow knowing the capacity of these liners to support the patient's weight.
    keywords: doi; foam; interface; layer; liner; socket; stump
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        item: #846 of 1022
          id: fis-3030
      author: User
       title: Microsoft Word - numero_57_art_03_3030
        date: 2021-06-22
       words: 5906
      flesch: 61
     summary: A great deal of research has been conducted to improve the understanding of the behavior of new types of shear connectors. In practice, several forms of shear connectors are widely used.
    keywords: capacity; concrete; connector; doi; element; finite; load; push; shear; steel; test
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        item: #847 of 1022
          id: fis-3036
      author: User
       title: Microsoft Word - numero_56_art_18_3036
        date: 2021-03-22
       words: 5363
      flesch: 55
     summary: Figure 4: Density of hybrid aluminum matrix composites Hardness of the hybrid composites Figure 5: Micro-hardness of hybrid aluminum matrix composites From Fig 5
    keywords: al6061; aluminum; composites; flyash; hybrid; mos2; sic; tensile
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        item: #848 of 1022
          id: fis-3038
      author: User
       title: Microsoft Word - numero_56_art_12_3038
        date: 2021-03-14
       words: 4414
      flesch: 61
     summary: The objective of this research is to study the influence of the dosage of the size of the largest aggregate on the workability of sand concretes as well as on the compressive strength at 7 days, 14 days and 28 days. Sand concrete; Extended granular; Workability; Mechanical behavior.
    keywords: compressive; concrete; days; dosage; quarry; sand; sand concrete; sc4; strength
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        item: #849 of 1022
          id: fis-3039
      author: User
       title: Microsoft Word - numero_56_art_14_3039
        date: 2021-03-19
       words: 6821
      flesch: 62
     summary: The approach provides a difference in residual stress values referred to mandrel entrance and exit surface. Residual SIF values can be accurately converted into residual stress values based on the approach developed in a set of famous works
    keywords: doi; fatigue; hole; length; notch; sif; specimen; stress
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        item: #850 of 1022
          id: fis-3040
      author: None
       title: fis-3040
        date: 2021-07-10
       words: 8342
      flesch: 42
     summary: Hydraulic fracturing; Oriented perforation; Fracture initiation; Fracture reorientation; Fracture propagation; Shale reservoir. Implementation of fracture initiation and reorientation in ABAQUS Although most of the simulation involved in this paper can be done directly by CAE interface in ABAQUS software, secondary development is required for some settings.
    keywords: doi; fluid; fracture; fracture reorientation; fracturing; initiation; injection; operation; perforation; pressure; rate; reorientation; shale; simulation; stress
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        item: #851 of 1022
          id: fis-3045
      author: User
       title: Microsoft Word - numero_57_art_25_3045
        date: 2021-06-21
       words: 3714
      flesch: 55
     summary: The liquidus temperature of Mg alloy ZA85 is 597.17°C, whereas the dissolution temperature of ternary eutectic precipitate is 360 °C b. In the present work the age-hardening behavior of the as cast Mg– Zn–Al alloys (ZA85 alloy) in the composition of 8 wt. %Zn, 5 wt.
    keywords: alloy; cast; solution; temperature; time; za85
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        item: #852 of 1022
          id: fis-3046
      author: User
       title: Microsoft Word - numero_58_art_05_3046
        date: 2021-07-15
       words: 4746
      flesch: 53
     summary: Polymer modified bitumen; Rigidity; SBS polymer; Thermal susceptibility; Dynamic mechanical analysis. Polymer modified bitumen: Optimization and selection.
    keywords: algeria; bitumen; doi; frattura; integrità; penetration; polymer; sbs; strutturale; viscosity
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        item: #853 of 1022
          id: fis-3050
      author: User
       title: Microsoft Word - numero_58_art_03_3050
        date: 2021-07-10
       words: 8429
      flesch: 53
     summary: Autonomous concrete crack detection using deep fully convolutional neural network, Automation in Construction, 99, pp. Such cracks will be detected by ultrasonic NDT and analyzed by the wavelet transform providing a spatially scaled image allowing to localize the crack in space and at each resolution.
    keywords: analysis; architecture; concrete; cracks; doi; figure; frattura; igf; image; integrità; layers; learning; multiresolution; neural; signal; strutturale; wavelet
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        item: #854 of 1022
          id: fis-3053
      author: User
       title: Microsoft Word - numero_57_art_04_3053
        date: 2021-05-18
       words: 3373
      flesch: 58
     summary: The main purpose of this research is to explore to what extent stone columns can be used as an effective alternative to concrete piles under steel storage tanks. Steel storage tanks resting on soft clay soil is a challenge for engineers because of their relatively higher loads, sensitivity for total and differential settlements, and containing high risk fluids.
    keywords: columns; concrete; piles; settlement; steel; stone; tanks
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        item: #855 of 1022
          id: fis-3055
      author: User
       title: Microsoft Word - numero_57_art_05_3055
        date: 2021-05-18
       words: 5991
      flesch: 64
     summary:     15.064285714 NS 6.2071428571 RBA 19.171428571 RCA NS 11.71428571 NS 31.85714286 0.1428751429 S cm RBA RCA RBA RCA (2) T. Boudina et alii, Frattura ed Integrità Strutturale, 57 (2021) 50-62; DOI: 10.3221/IGF-ESIS.57.05 56 Relationships between recycled concrete aggregates characteristics and recycled aggregates concretes properties.
    keywords: aggregates; concrete; days; design; doi; rba; rca; sand; strength
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        item: #856 of 1022
          id: fis-3057
      author: User
       title: Microsoft Word - numero_57_art_16_3057
        date: 2021-06-09
       words: 9950
      flesch: 64
     summary: Efficient procedure for the analysis of reinforced concrete sections using the softened truss model, Master Thesis, Department of Civil Engineering, Federal University of Pernambuco, Recife, Brazil [in Portuguese]. Microsoft Word - numero_57_art_16_3057 K. Benyahi et alii, Frattura ed Integrità Strutturale, 57 (2021) 195-222; DOI: 10.3221/IGF-ESIS.57.16 195 Reliability assessment of the behavior of reinforced and/or prestressed concrete beams sections in shear failure Karim Benyahi, Mohand Said Kachi, Youcef Bouafia Department of civil engineering, Mouloud Mammeri University, 15000 Tizi Ouzou, Algeria.
    keywords: analysis; behavior; benyahi; concrete; doi; model; normal; reliability; resistance; shear; state; strutturale
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        item: #857 of 1022
          id: fis-3058
      author: User
       title: Microsoft Word - numero_57_art_07_3058
        date: 2021-06-23
       words: 5219
      flesch: 58
     summary: Figure 10: Load-story drift relationship of steel model S1. Numerical analysis of reinforced concrete beams pre-cracked reinforced by composite materials, Frat.
    keywords: beam; column; concrete; cyclic; doi; drift; gfrp; joint; load; model; reinforcement; steel
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        item: #858 of 1022
          id: fis-3059
      author: User
       title: Microsoft Word - numero_57_art_08_3059
        date: 2021-05-24
       words: 4036
      flesch: 63
     summary: Microsoft Word - numero_57_art_08_3059 R. N. da Cunha et alii, Frattura ed Integrità Strutturale, 57 (2021) 82-92; DOI: 10.3221/IGF-ESIS.57.08 82 Evaluation of the behaviour of reinforced concrete beams repaired with glass fibre reinforced polymer (GFRP) using a damage variable Rafael Nunes da Cunha, Kevin Mendonça Oliveira, Antônio Gabriel Lisboa Rego Brito, Camila de Sousa Vieira, David Leonardo Nascimento de Figueiredo Amorim Laboratory of Building Materials and Structures, Post-graduation Programme in Civil Engineering, Department of Civil Engineering, Federal University of Sergipe, São Cristóvão, Brazil rafael.cunha@ctec.ufal.br, http://orcid.org/0000-0003-2503-6758 kevin.zero@hotmail.com; http://orcid.org/0000-0002-1685-3636 gabriel.lisboa.eng@gmail.com; http://orcid.org/0000-0002-2075-3208 milavieira@gmail.com, http://orcid.org/0000-0002-5371-191X davidnf@academico.ufs.br, http://orcid.org/0000-0002-9233-3114 ABSTRACT. [11] evaluated the bending performance of reinforced concrete beams strengthened with hybrid carbon and basalt fibre reinforced polymer (CFRP/BFRP) composite sheets.
    keywords: beams; concrete; damage; doi; fibre; glass; integrità; nbr; repair; strutturale
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        item: #859 of 1022
          id: fis-3068
      author: User
       title: Microsoft Word - numero_57_art_06_3068
        date: 2021-05-19
       words: 4306
      flesch: 63
     summary: Possible mechanical improvements in hard layers or their inserts in mouthguards materials have also been studied. Impact energies of 1.72 J, 2.85 J and 4.40 J were applied, which correspond to impact velocities of 1 ms-1, 1.29 ms-1 and 1.61 ms-1, respectively.
    keywords: doi; energy; erkoloc; eva; foils; impact; materials; mouthguards
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        item: #860 of 1022
          id: fis-3072
      author: User
       title: Microsoft Word - numero_57_art_23_3072
        date: 2021-06-18
       words: 4828
      flesch: 62
     summary: The analysis of fracture processes which led to shear failure in reinforced concrete beams without transverse reinforcement was performed on the basis of test results from the author’s own experimental investigation and numerical simulations. Citation: Słowik M., Analysis of fracture processes in reinforced concrete beams without stirrups, Frattura ed Integrità Strutturale, 57 (2021) 321-330.
    keywords: beams; capacity; concrete; crack; failure; ratio; reinforcement; shear; span
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        item: #861 of 1022
          id: fis-3074
      author: User
       title: Microsoft Word - numero_57_art_13_3074
        date: 2021-06-08
       words: 3644
      flesch: 61
     summary: To find out the effects of implant stiffness, five values for the elastic modulus, ranging from 0.1 to 0.5 MPa, with an interval of 0.1 MPa were employed in the implant structure of the FE model. To find out the effects of implant stiffness, five values for the elastic modulus, ranging from 0.1 to 0.5 MPa, with an interval of 0.1 MPa were employed in the implant structure of the FE model.
    keywords: bone; case; doi; implant; interface; mpa; prosthetic; stump
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        item: #862 of 1022
          id: fis-3075
      author: User
       title: Microsoft Word - numero_57_art_14_3075
        date: 2021-06-09
       words: 5030
      flesch: 66
     summary: OPTIMIZATION BY THE DESIGN OF EXPERIMENT METHOD n this paper, an experimental design method was used on the FSW friction stir welding process, basically using parameters that effect the process, such as rotational speed, welding speed, and profile. Welding speed (mm/min) (S) ≡ (X2) Pin profile (Ss/Sd) (P) ≡ (X3) Rupture strength -UTS (MPa) (Y) 01 800 90 1 174 02 1000 90 1 184 03 800 100 1 186 04 1000 100 1 188 05 800 90 1.57 150 06 1000 90 1.57 172 07 800 100 1.57 160 08 1000 100 1.57 175 Table 2: Experimental matrix.
    keywords: doi; effect; pin; process; rotation; speed; welding
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        item: #863 of 1022
          id: fis-3076
      author: User
       title: Microsoft Word - numero_58_art_04_3076
        date: 2021-07-12
       words: 6696
      flesch: 62
     summary: (a) (b) Figure 12: Strengthened RC beams with various impact velocities (displacement-time histories) Figure 13: Results have shown that the energy absorption of CFRP laminate beams is lower than that of external steel plate reinforced beams.
    keywords: bars; beams; cfrp; concrete; doi; experimental; impact; loading; model; reinforcement; steel; strength
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        item: #864 of 1022
          id: fis-3077
      author: User
       title: Microsoft Word - numero_57_art_15_3077
        date: 2021-06-09
       words: 4664
      flesch: 67
     summary: [3] studied the propagation of fretting fatigue cracks by the use of F https://youtu.be/t1PiVC3KGQU M. Bentahar et alii, Frattura ed Integrità Strutturale, 57 (2021) 182-194; DOI: 10.3221/IGF-ESIS.57.15 183 the FEM method, to simulate and deduce the distributions of the stress intensity factor (SIF) in the length of the crack front. [13] studied by the finite element method the initiation and growth of fretting fatigue cracks, In addition, they calculated the contact stress, to know the crack initiation angle by the criterion (MTS).
    keywords: contact; crack; doi; fatigue; friction; stress
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        item: #865 of 1022
          id: fis-3081
      author: User
       title: Microsoft Word - numero_57_art_19_3081
        date: 2021-06-12
       words: 6844
      flesch: 59
     summary: Figure 13: Meshing of R.C beam model. % Max. Deflection(mm) Failure Time (ms) Flexural Toughness (joule) Failure Mode B1 0.5 9.13 3.6 587 Ductile Failure 0.78 8.5 3.6 626.2 1.13 7.88 3.6 631.7 B2 0.5 8.03 3.75 627.4 Ductile Failure 0.78 7.7 3.75 676.4 1.13 7.08 3.75 649.1 B3 0.5 7.67 3.75 644.1 Ductile Failure 0.78 7.6 3.75 705.3 1.13 6.52 3.75 602 B4 0.5 10.7 4.2 693.88 Ductile Failure 0.78 9.35 4.2 720.3 1.13 8.08 4.2 673.1 B5 0.5 8.72 4.2 745.6 Ductile Failure 0.78 8.21 4.8 750.7 1.13 7.46 4.8 718 B6 0.5 8.39 4.2 773.5 Ductile Failure 0.78 8.22 6 774 1.13 7.25 4.8 755.6 Table 13: Finite element results for R.C beams models using different reinforcement ratios.
    keywords: beams; blast; concrete; deflection; doi; r.c; ratio; reinforcement; results; steel; time; toughness
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        item: #866 of 1022
          id: fis-3085
      author: Politecnico
       title: Shot Peening Processes to obtain Nanocrystalline surfaces in metal alloys:
        date: 2021-06-15
       words: 4439
      flesch: 62
     summary: Variable speed drive optimization model and analysis of comprehensive performance of beam pumping unit. Design and implementation of a dual PWM frequency converter used in beam pumping unit for energy saving.
    keywords: balance; beam; doi; load; pumping; pumping unit; rod; tracking; tracking balance; type; type pumping; unit
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        item: #867 of 1022
          id: fis-3086
      author: User
       title: Microsoft Word - numero_58_art_02_3086
        date: 2021-07-07
       words: 5692
      flesch: 74
     summary: cos sin 0 ... sin sin cos cos sin ... sin b b b b b b b b b b b b b b b b b b b b b b b b b b b b b node node i R R R R R R B                                                                                                   sin cos cos 0 ... 0 0 0 sin cos cos sin sin cos cos ... 1 ... 0 0 0 sin sin cos 1 sin cos 1 cos ... cos sin 0 ... 0 0 0 sin sin b b b b b b b b b b b b b b b b b b b b b b b b b b b b b b b b b b b b R R R R R R node j node n (6) R.N. da Cunha et alii, Frattura ed Integrità Strutturale, 58 (2021) 21-32; DOI: 10.3221/IGF-ESIS.58.02 24 where Mi and Mj are bending moments on the nodes i and j of the element, respectively, Ni is the axial force on the node i of the element, αb is the orientation of the frame element and Lb its length; βb, χb and Rb geometrically define the circular arch element (Fig 2). For arch elements the terms of the flexibility matrix are given by: T T J R.N. da Cunha et alii, Frattura ed Integrità Strutturale, 58 (2021) 21-32; DOI: 10.3221/IGF-ESIS.58.02 31                                                         2 0 11 2 2 0 12 2 2 2 2 0 13 2 4 sin 3 2 cos 3sin cos sin cos1 1 2 2sin sin 2 sin sin cos sin cos1 1 2 2sin sin 5sin 5 cos cos 3 2 cos1 2 sin 1 2 b b b b b b b b b b b b b b b b b b b b b b b b b b b b b b b b b b R F EI R AE R F EI R AE R F EI                                                         2 0 22 2 2 2 0 23 2 2 3 2 0 33 sin sin cos cos sin sin cos sin cos1 1 2 2sin sin sin cos sin cos1 2 sin sin sin cos cos1 2 sin 3sin cos b b b b b b b b b b b b b b b b b b b b b b b b b b b b b b b b b b b b AE R F EI
    keywords: b b; concrete; cos; damage; doi; sin
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        item: #868 of 1022
          id: fis-3090
      author: User
       title: Microsoft Word - numero_58_art_31_3090.docx
        date: 2021-09-25
       words: 3507
      flesch: 49
     summary: There is a need to create the scientific basis for predicting the deformation ability and the limiting state of metals and alloys, taking into account R https://youtu.be/Kp_wy6wzpcI T. V. Tretyakova et alii, Frattura ed Integrità Strutturale, 58 (2021) 434-441; DOI: 10.3221/IGF-ESIS.58.31 435 the phenomena of spatial heterogeneity and temporary instability of plastic deformation under given operating conditions. Experimental data show that when the proportional loading process stops even at small values of plastic deformations, further loading leads to the occurrence of inhomogeneous intermittent plastic deformation processes.
    keywords: deformation; doi; effect; loading; plastic; strain; tension; torsion
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        item: #869 of 1022
          id: fis-3093
      author: _STARS_
       title: Shot Peening Processes to obtain Nanocrystalline surfaces in metal alloys:
        date: 2021-06-07
       words: 10349
      flesch: 51
     summary: Hybrid control variates-based simulation method for structural reliability analysis of some problems with low failure probability, Applied Mathematical Modelling, 60, pp. An innovative adaptive sparse response surface method for structural reliability analysis, Structural Safety, 73, pp.
    keywords: analysis; doi; failure; frame; impact; kriging; mcs; meta; model; performance; probability; reliability; results; sensitivity; steel; structures; vehicle
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        item: #870 of 1022
          id: fis-3096
      author: User
       title: Microsoft Word - numero_57_art_26_3096
        date: 2021-06-22
       words: 5735
      flesch: 70
     summary: Two-dimensional analysis of anisotropic crack problems using coupled meshless and fractal finite element method, Int. Phase field modelling of anisotropic crack propagation, Eur.
    keywords: anisotropic; crack; doi; element; finite; method
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        item: #871 of 1022
          id: fis-3097
      author: User
       title: Microsoft Word - numero_58_art_10_3097
        date: 2021-08-20
       words: 12887
      flesch: 60
     summary: Microsoft Word - numero_58_art_10_3097 W. Frenelus et alii, Frattura ed Integrità Strutturale, 58 (2021) 128-150; DOI: 10.3221/IGF-ESIS.58.10 128 Long-term degradation, damage and fracture in deep rock tunnels: It is quite obvious that, when excavating deep rocks tunnels, the virgin rock mass properties are modified [1, 2], and there are disturbances or alteration of the existing stresses in the rock massifs
    keywords: convergence; creep; damage; doi; energy; engineering; et al; excavation; fracture; journal; mechanics; methods; properties; rockbursts; rocks; stability; stress; tbm; technology; term; tunnelling; tunnels
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        item: #872 of 1022
          id: fis-3099
      author: User
       title: Microsoft Word - numero_57_art_20_3099
        date: 2021-06-12
       words: 3741
      flesch: 58
     summary: Hip prosthesis; Cement; Stress concentration; Stress barrier; Finite element method (FEM). About the experimental part, a project is based on the clinical observation that higher subsidence (distal migration) correlates with early revision of hip prostheses to develop a pre-clinical testing platform for cemented femoral hip implants as measured by Maher and Prendergast [14].
    keywords: cement; doi; hip; load; model; mpa; prosthesis; stem; stress
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        item: #873 of 1022
          id: fis-31
      author: None
       title: None
        date: 2008-10-01
       words: 5
      flesch: -136
     summary: http://www.gruppofrattura.it http://www.gruppofrattura.it http://dx.medra.org/10.3221/IGF-ESIS.06.01&auth=true d n
    keywords: http://www.gruppofrattura.it
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        item: #874 of 1022
          id: fis-3100
      author: User
       title: Microsoft Word - numero_58_art_13_3100.docx
        date: 2021-09-04
       words: 4778
      flesch: 61
     summary: Therefore, various techniques of surface modification by thermochemical processes such as carburization or carburizing [2- 4], nitriding [5-6] and carbonitriding [7] have been used to improve wear resistance of titanium alloys. Compared to others designation of titanium alloys, this alloy has the highest mechanical strengths [15].
    keywords: alloy; carburizing; doi; friction; hardness; surface; ti-6al-4v; titanium; treatment; wear
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        item: #875 of 1022
          id: fis-3103
      author: User
       title: Microsoft Word - numero_57_art_11_3103
        date: 2021-06-07
       words: 3726
      flesch: 63
     summary: While there is an increase in hardness values by addition of 6wt% of B4C at the ratio of 1 fine and 3 coarse size, (increased by 14.14%) this is due to the higher ratio of coarse particle in composites shields the finer sized particles, but there is a decrease in hardness values by addition of 4wt% of at the ratio of 3 fine and 1 coarse size B4C particle, (decreased by 3.4%) this is due to clustering of higher amount of fine size particle. The graphical depiction of EDS analysis of A356 aluminum alloy, A356+2% B4C, A356+4% B4C and A356+6% B4C composites is shown in Figs.
    keywords: a356; alloy; b4c; composites; doi; hardness; particle; properties; size
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        item: #876 of 1022
          id: fis-3104
      author: User
       title: Microsoft Word - numero_57_art_24_3104
        date: 2021-06-19
       words: 5378
      flesch: 63
     summary: Samples are characterized by a variability of notch root radii and notch opening angles. In particular, a large variability of notch root radius and notch opening angle was considered.
    keywords: control; density; doi; energy; notch; plane; radius; specimens; strain; value
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        item: #877 of 1022
          id: fis-3107
      author: User
       title: Microsoft Word - numero_58_art_17_3107.docx
        date: 2021-09-04
       words: 4202
      flesch: 61
     summary: This study provides engineering J estimation for the ductile fracture mechanics of cracked pipe subjected to internal pressure. Figure 1: (a)definition of the longitudinal crack, (b) Schematic illustration for cracked pipes under internal pressure MATERIAL MODEL E analyses were performed to calculate elastic–plastic fracture mechanics parameters.
    keywords: crack; doi; fracture; integral; pipe; plastic; pressure
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        item: #878 of 1022
          id: fis-3109
      author: User
       title: Microsoft Word - numero_57_art_27_3109
        date: 2021-06-21
       words: 11045
      flesch: 62
     summary: Tensile and fracture behavior of nano/micro TiB2 particle reinforced casting A356 aluminum alloy composites, Mater. From Figs. 24 and 25, it could be claimed that both the AlSi alloys and AlSi_N_T6 nano-composites presented a rate- dependent response.
    keywords: alloys; alsi_n_t6; aluminum; amplitude; composites; doi; effect; fatigue; heat; mater; mean; nano; particles; properties; strain; stress; treatment
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        item: #879 of 1022
          id: fis-3115
      author: User
       title: Microsoft Word - numero_58_art_06_3115
        date: 2021-07-18
       words: 4193
      flesch: 62
     summary: The recorded experimental results are compared with those given by the prediction of EC3 regulation [14] for empty steel columns and EC 4 [15] for mixed columns. Figure 3: Experimental ultimate load (Nue) of empty steel columns.
    keywords: columns; concrete; cross; load; section; series; specimens; steel; strength
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        item: #880 of 1022
          id: fis-3116
      author: User
       title: Microsoft Word - numero_58_art_07_3116
        date: 2021-07-30
       words: 8776
      flesch: 54
     summary: 27 confirms that using double layers of EMM as a partial internal confinement pattern for the column specimen presented the highest vertical strain increment; specimen CS2OC compared to the other confined specimens with respect to control column specimen (C CONTROL). Among available types of expanded metal mesh, the most two common types, which could be used for RC column confinement, are the standard expanded metal and the flattened expanded metal.
    keywords: column; concrete; confinement; control; doi; fig; load; mesh; specimen; steel; stirrups
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        item: #881 of 1022
          id: fis-3117
      author: User
       title: Microsoft Word - numero_57_art_18_3117
        date: 2021-06-11
       words: 6033
      flesch: 62
     summary: One of the main ways to keep safe facilities (buildings, bridges, railways, etc.) involves the use of monitoring sensor systems in charge of measuring critical operating conditions. Figure 4: a) SC1; b) detail of the FBG bonded on SC1 copper clamp.
    keywords: contact; copper; doi; fbg; fiber; fig; ocw; sc1; sc2; system; test; wire
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        item: #882 of 1022
          id: fis-3122
      author: User
       title: Microsoft Word - numero_57_art_10_3122
        date: 2021-06-04
       words: 6588
      flesch: 66
     summary: C R. Fincato et alii, Frattura ed Integrità Strutturale, 57 (2021) 114-126; DOI: 10.3221/IGF-ESIS.57.10 119                                                             1 1 1 1 1 *, 1 1 *, 1 *, 1 *, 1 1 1 1 1 3 2 3 2 ( ) 2 3 2 3 2 3 k k n n k k k n n n k nk k k k n n n n n k k k n n n n k n n f Y F B R Ca a m b H H σ α σ β B α α N N β β N β (10)               11 1 1 1 1 1 1 1 k k k k k k n n n n n nx x A B x x (11) where A is the matrix of the partial derivatives of the equations in B against the unknowns. Bounding surface model; Return mapping; Workhardening stagnation; Finite strain; Finite element analyses.
    keywords: doi; eqn; k n; model; n n; stress; surface
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        item: #883 of 1022
          id: fis-3123
      author: User
       title: Microsoft Word - numero_59_art_04_3123.docx
        date: 2021-10-12
       words: 5726
      flesch: 59
     summary: Steel bar; Steel fiber recycled concrete; Bonding performance; Constitutive model. So far, the research on the bond characteristics and bond-slip constitutive model between steel bars and ordinary concrete and between steel bars and steel fiber concrete have been relatively sufficient.
    keywords: bond; concrete; failure; pull; slip; steel; steel bars; steel fibers; strength; test
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        item: #884 of 1022
          id: fis-3130
      author: User
       title: Microsoft Word - numero_57_art_17_3130
        date: 2021-06-11
       words: 7944
      flesch: 50
     summary: [Deg] Inox 1 Inox 2 Inox AVG FEM FEM Vcorrected R. Andreotti et alii, Frattura ed Integrità Strutturale, 57 (2021) 223-245; DOI: 10.3221/IGF-ESIS.57.17 244 CONCLUSIONS he study investigated the effects of bullet splash phenomena with the aim of developing and validating a simplified finite element model to be of practical use in the industry to simulate and optimize the response of protective structural systems subjected to splash bullet impacts. Most of the literature available on ballistic impacts simulation is focused on analyzing and simulating the effects of rigid projectiles impacting on deformable targets, with the aim of estimating the ballistic limit velocity and the modes of failure of the target.
    keywords: andreotti; bullet; doi; field; figure; impact; impactor; model; plastic; plate; simulation; strain; strutturale; target
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        item: #885 of 1022
          id: fis-3137
      author: User
       title: Microsoft Word - numero_60_art_xx_3137.docx
        date: 2022-03-25
       words: 5663
      flesch: 64
     summary: In this study, strengthened columns are modeled and studied using the commercial finite element software (ANSYS -Version 19.2). Reinforced concrete; Strengthening; Steel angles; Strips; Eccentricity; Interaction diagrams.
    keywords: angles; column; concrete; load; steel; steel angles; strips;  
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        item: #886 of 1022
          id: fis-3138
      author: User
       title: Microsoft Word - numero_58_art_14_3138.docx
        date: 2021-08-27
       words: 4574
      flesch: 55
     summary: [2] Zhu, X.K., Joyce, J. A., (2012) Review of fracture toughness (G, K, J, CTOD, CTOA) testing and standardization, Engineering Fracture Mechanics, Elsevier, 85, pp.1–46. Investigating the contribution of geometrical parameters and immersion time on fracture toughness of jute fabric composites using statistical techniques, Frattura ed Integrità Strutturale, 12(46), pp. 14-24.
    keywords: aa6061; blade; composites; crack; doi; fracture; graphite; helicopter; rotor; toughness
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        item: #887 of 1022
          id: fis-3140
      author: User
       title: Microsoft Word - numero_58_art_15_3140.docx
        date: 2021-08-27
       words: 3744
      flesch: 55
     summary: The numerical tests in traction-traction (R = 0.1) allowed to highlight the heterogeneities of cyclic mechanical behavior in each of the zones constituting the joint 2024-T351 welded by FSW. Numericql investigation on Stress Intensity Fatocr and J Integral in friction stir welded joint throught XFEM method, Frattura ed Integrita Strutturale, 47 (2019) 54-64. DOI: 10.3221/IGF-ESIS.47.05.
    keywords: behavior; crack; cyclic; doi; fatigue; fsw; joint; xfem; zones
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        item: #888 of 1022
          id: fis-3141
      author: User
       title: Microsoft Word - numero_58_art_12_3141.docx
        date: 2021-08-23
       words: 6913
      flesch: 54
     summary: In addition, it was observed that the UTS of nano sized particulates reinforced composites remain unaffected when the wt. % of nano-particulates was more T M. Ravikumar et alii, Frattura ed Integrità Strutturale, 58 (2021) 166-178; DOI: 10.3221/IGF-ESIS.58.12 172 than 3%. Microstructure and interface characteristics of B4C, SiC and Al2O3 reinforced Al matrix composites: a comparative study.
    keywords: al2o3; composites; matrix; micro; mmcs; nano; particles; particulates; strength; tensile; wear
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        item: #889 of 1022
          id: fis-3142
      author: User
       title: Microsoft Word - numero_58_art_16_3142 .docx
        date: 2021-08-27
       words: 6835
      flesch: 61
     summary: That author performs a statistical analysis to control the propagation of fatigue cracks and considers inspection intervals in order to ensure that the probability of complete failure of the structure is always kept low. Palmberg [4] has been a pioneer in this new concept, performing a statistical analysis to control fatigue crack propagation and considering inspection intervals to keep the probability of complete failure low.
    keywords: aircraft; analysis; compliance; crack; cycles; damage; doi; fatigue; fig; figure; gomes; number; stress
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        item: #890 of 1022
          id: fis-3154
      author: User
       title: Microsoft Word - numero_58_art_08_3154
        date: 2021-07-30
       words: 3124
      flesch: 58
     summary: These materials have long-term usage at high temperatures, so they must therefore be evaluated for the fracture toughness in this respect. Microsoft Word - numero_58_art_08_3154 B. V. S. Kumar et alii, Frattura ed Integrità Strutturale, 58 (2021) 105-113; DOI: 10.3221/IGF-ESIS.58.08 105 Influence of oxidation on fracture toughness of Carbon-Carbon Composites for high-temperature applications B.V. Sunil Kumar Department of Mechanical Engineering, Canara Engineering College, Mangalore, VTU, Karnataka, 574219, India.
    keywords: carbon; composites; fracture; oxidation; temperature; toughness
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        item: #891 of 1022
          id: fis-3156
      author: User
       title: Microsoft Word - numero_58_art_26_3156.docx
        date: 2021-09-20
       words: 4290
      flesch: 64
     summary: Fatigue crack propagation in welded joints X70. Fatigue crack propagation of 444 stainless steel welded joints in air and in 3% NaCl aqueous solution.
    keywords: crack; doi; fatigue; frattura; integrità; strutturale
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        item: #892 of 1022
          id: fis-3168
      author: User
       title: Microsoft Word - numero 1 notiziario.doc
        date: 2007-06-07
       words: 5436
      flesch: 51
     summary: Diversi consiglieri evidenziano l’importanza di un aggiornamento continuo e rapido del sito istituzionale dell’IGF. Il Gruppo Italiano Frattura (IGF) organizza il prossimo Convegno Nazionale, giunto ormai alla sua XIX edizione, al Politecnico di Milano, presso la nuovo Campus Bovisa Sud (Milano).
    keywords: alla; all’o.d.g; attività; beretta; che; committee; conference; consiglio; convegno; dei; del; della; esis; fracture; frattura; gruppo; iacoviello; igf; international; italiano; mail; milano; nazionale; politecnico; presidente; professor; punto; rivista; soci; una; università
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        item: #893 of 1022
          id: fis-3169
      author: User
       title: Microsoft Word - numero 1 art 3.doc
        date: 2007-06-07
       words: 2860
      flesch: 65
     summary: Alterna- tively, the prediction of crack growth may be directly based on the fracture mechanism operating on the micro- scale, either by incorporating the failure mechanism in the constitutive equations for the material, or by repre- senting the failure mechanism through a cohesive zone model of the fracture process zone. The present paper will give a survey of a number of investigations where the prediction of crack growth has been based on models of the actual fracture mechanism.
    keywords: crack; damage; failure; growth; material; model; tvergaard
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        item: #894 of 1022
          id: fis-3170
      author: User
       title: Microsoft Word - numero 1 art 2.doc
        date: 2007-06-07
       words: 4641
      flesch: 64
     summary: Crediamo che il primo uomo ad occuparsi della resistenza dei solidi agli sforzi sia stato Leonardo da Vinci (1453-1519), che certamente trasse profitto da molte visite agli arsenali ita- liani, Prova di flessione di una trave (Galilei [5], p. 128)
    keywords: alla; beltrami; carico; che; cioè; come; con; così; dei; della; egli; elastico; filo; frattura; galileo; leonardo; limite; nel; non; più; quello; questo; rottura; scienziati; serie; snervamento; sono; sotto; sua; sulla; tensione; torino; una; uno
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        item: #895 of 1022
          id: fis-3171
      author: User
       title: Microsoft Word - numero 1 art 1.doc
        date: 2007-06-07
       words: 3854
      flesch: 72
     summary: The forthcoming ESIS International Conference on Crack Paths (CP 2006) will be devoted to consideration of crack paths at various scales. They have been chosen to illustrate various aspects of crack paths.
    keywords: crack; fatigue; figure; fracture; growth; notch; path
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        item: #896 of 1022
          id: fis-3181
      author: User
       title: Microsoft Word - numero_58_art_18_3181.docx
        date: 2021-09-06
       words: 3156
      flesch: 57
     summary: Microsoft Word - numero_58_art_18_3181.docx A. Mishra et alii, Frattura ed Integrità Strutturale, 58 (2021) 242-253; DOI: 10.3221/IGF-ESIS.58.18 242 Supervised machine learning classification algorithms for detection of fracture location in dissimilar friction stir welded joints Akshansh Mishra Centre for Artificial Intelligent Manufacturing Systems, Stir Research Technologies, India akshansh@stirresearchtech.in , https://orcid.org/0000-0003-4939-359X Apoorv Vats Department of Computer Science and Engineering, Jaypee University of Information Technology, India apoorvvats181@gmail.com, https://orcid.org/0000-0003-4339-4110 ABSTRACT. Supervised Machine Learning algorithms are further sub-divided into two types i.e. regression algorithms and classification algorithms.
    keywords: algorithm; classification; data; fracture; friction; learning; machine; stir
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        item: #897 of 1022
          id: fis-3182
      author: User
       title: Microsoft Word - numero_58_art_22_3182.docx
        date: 2021-09-10
       words: 5859
      flesch: 53
     summary: Influence of stress on chloride penetration into fiber reinforced concrete, JCI, 25, pp. Permeability and porosity characteristics of steel fiber reinforced concrete.
    keywords: cement; composite; concrete; doi; durability; fibers; permeability; polypropylene; polypropylene fibers; porosity; test
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        item: #898 of 1022
          id: fis-3188
      author: User
       title: Microsoft Word - numero_58_art_25_3188.docx
        date: 2021-09-18
       words: 9743
      flesch: 57
     summary: Nevertheless, prediction of fatigue limit data agreed with observed data sensibly. Similarly, confidence interval for standard deviation needs to be calculated to validate standard deviation below the upper limit of empirical standard deviation coming from fatigue test data with defined confidence level.
    keywords: curve; data; deviation; distribution; doi; fatigue; limit; log; mean; method; standard; stress
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        item: #899 of 1022
          id: fis-3189
      author: User
       title: Microsoft Word - numero_59_art_10_3189.docx
        date: 2021-10-30
       words: 6361
      flesch: 56
     summary: The present work focuses on the Tribological properties and corrosion behavior evaluation of sintered CoCrMo alloy. In order to study the corrosive behavior of CoCrMo alloy samples sintered at different temperatures, we started by tracking the abandonment potential (Eocp) using plotting potential-time curves (Fig. 9 a).
    keywords: alloy; behavior; cocrmo; corrosion; doi; friction; resistance; samples; sintering; surface; temperature; wear
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        item: #900 of 1022
          id: fis-3194
      author: fujitsu
       title: Shot Peening Processes to obtain Nanocrystalline surfaces in metal alloys:
        date: 2021-09-16
       words: 9316
      flesch: 55
     summary:      − − − − − −= = = = = = 1 1 1 1 1 1 x xy xz The strain tensor in the principal coordinate system:     22 2 eq 1 2 3+ + + = + + (37) Knowing that the positive part + is defined, such that if  i is the main strain in direction i:
    keywords: composite; damage; doi; homogenization; inclusions; matrix; method; model; periodic; properties; rve; strain; volume
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        item: #901 of 1022
          id: fis-3204
      author: User
       title: Microsoft Word - numero_58_art_11_3204.doc
        date: 2021-09-11
       words: 4219
      flesch: 68
     summary: Crack damage severity of damaged beam was calculated and it is noticed that as crack position is increased from left hand support of beam up to central point and crack depth is increased, then crack damage severity increases. The first natural frequencies of damaged beams are calculated analytically using Eq. 20
    keywords: beam; crack; doi; figure; frequency; mode
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        item: #902 of 1022
          id: fis-3213
      author: User
       title: Microsoft Word - numero_59_art_16_3213.docx
        date: 2021-11-04
       words: 9566
      flesch: 60
     summary: ( ) p r r rE rr r r v r r                                (7)   ( ) p r rE rr r r v r r                                (8) The relation between the stresses and the plastic strains is determined from subtraction the Eqns.
    keywords: analysis; behavior; cylinder; doi; fgm; metal; plastic; pressure; r r; stresses; structure; thickness
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        item: #903 of 1022
          id: fis-3219
      author: User
       title: Microsoft Word - numero_59_art_23_3219.docx
        date: 2021-11-18
       words: 7913
      flesch: 55
     summary: The properties of ground granulated blast furnace slag, specifically its low water absorption rate by the smooth surfaces of the granulated slag grains, work together to improve the workability of HPC over ordinary Portland cement concrete [22,25– 27]. Elements CaO SiO2 Fe2O3 Al2O3 K2O Na2O MgO SO3 Cl- P.A.F Content (%) 41.63 38.81 3.31 8.39 0.740 0.14 4.14 0.38 0.00 - Table 3: Chemical compositions of ground granulated blast furnace slag.
    keywords: blast; blast furnace; cement; concrete; doi; durability; furnace slag; ground; hpc; performance; porosity; slag; slag hpc; substitution; water
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        item: #904 of 1022
          id: fis-3230
      author: User
       title: Microsoft Word - numero_59_art_07_3230.docx
        date: 2021-10-17
       words: 7201
      flesch: 59
     summary: Environmental ageing on GFRP pultruded joints: Comparison between different adhesives, Compos. Further studies [22] tested the effect of adhesive joints reinforcements experimentally, using steel wires positioned inside a brittle glass matrix, studying their mechanical behavior through mathematical models.
    keywords: adhesive; doi; failure; gfrp; glass; joints; lap; nylon; reinforcement; steel
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        item: #905 of 1022
          id: fis-3231
      author: User
       title: Microsoft Word - numero_58_art_19_3231.docx
        date: 2021-09-07
       words: 7926
      flesch: 67
     summary: Considering only the first term in Eqn.(23), we remind that the physical tranvsersal position of the beam, which is needed for comparison with numerical and experimental results, is given by                            
    keywords: beam; doi; impact; mass; nonlinear; projectile; velocity;  
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        item: #906 of 1022
          id: fis-3234
      author: User
       title: Microsoft Word - numero_58_art_27_3234.docx
        date: 2021-09-20
       words: 4414
      flesch: 61
     summary: With the increase of maximum aggregate size, the width of fracture process zone increases whereas the length of fracture process zone decreases - see Fig. 5. Figure 5: Fracture process zone traced from X-rays films [16]. The width of the active microcracking band, which is called the width of fracture process zone (wc), is the additional parameter taken into account when fracture in concrete is modelled as a smeared crack band.
    keywords: aggregate; concrete; fracture; process; strength; width; zone
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        item: #907 of 1022
          id: fis-3235
      author: User
       title: Microsoft Word - numero_58_art_30_3235.docx
        date: 2021-09-24
       words: 6833
      flesch: 65
     summary: Element (Severity %) – 87 (20%) 37 (15%) Element (Severity %) – – 62 (20%) Element (Severity %) – – 78 (5%) Table 2: Damage case. (a) (b) (c) Figure 2: Damage case 1 – CCCC plate.
    keywords: algorithm; aoa; case; damage; element; khatir; optimization; plate
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        item: #908 of 1022
          id: fis-3237
      author: User
       title: Microsoft Word - numero_59_art_13_3237.docx
        date: 2021-11-03
       words: 8698
      flesch: 64
     summary: Because steel transmission towers are not constrained by architectural and aesthetic requirements, optimizing their shape and topology has been received great attention from researchers. Transmission towers are tall structures used to support overhead power lines.
    keywords: -546; adaboost; algorithm; design; doi; method; model; nguyen; optimization; steel; structures; t.-h; towers; transmission; weight
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        item: #909 of 1022
          id: fis-3238
      author: User
       title: Microsoft Word - numero_58_art_20_3238.docx
        date: 2021-09-08
       words: 4776
      flesch: 55
     summary: It should be noted that the expectation of adding nano-clay-particles to aluminum alloys is to increase the hardness, strength, and fatigue lifetime. In Fig. 3, the scatter-band of fatigue data is presented for the aluminum alloy, the nano-composite, and the heat-treated nano-composite, on a logarithmic scale and for different confidence levels.
    keywords: aluminum; azadi; corrosion; fatigue; heat; lifetime; nano; stress
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        item: #910 of 1022
          id: fis-3240
      author: User
       title: Microsoft Word - numero_58_art_23_3240.docx
        date: 2021-09-10
       words: 4881
      flesch: 63
     summary: CLASSIFICATION OF THE SAFETY STATE OF TRUSSES USING MACHINE LEARNING Machine Learning-based framework for safety classification of trusses he framework for structural safety classification of truss structures using ML is presented in Fig. The hyperparameters tuning of ML models is conducted by combining the grid search M T.-H. Nguyen et alii, Frattura ed Integrità Strutturale, 58 (2021) 308-318; DOI: 10.3221/IGF-ESIS.58.23 315 method and k-fold cross-validation.
    keywords: adaboost; algorithms; bar; dataset; doi; learning; machine; model; safety; structure; truss
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        item: #911 of 1022
          id: fis-3243
      author: User
       title: Microsoft Word - numero_58_art_21_3243.docx
        date: 2021-09-08
       words: 6091
      flesch: 55
     summary: The horizontally 85° oriented specimens exhibit residual stress values of 35 MPa in the 0° direction and 25 MPa in the other direction (-106% and -104% compared to as-built samples). Materials Science & Engineering A E ff ects of Selective Laser Melting additive manufacturing parameters of Inconel 718 on porosity, microstructure and mechanical properties, Mater.
    keywords: direction; doi; heat; laser; manufacturing; mpa; printing; process; samples; scanning; specimens; steel; values
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        item: #912 of 1022
          id: fis-3246
      author: User
       title: Microsoft Word - numero_59_art_15_3246.docx
        date: 2021-11-03
       words: 6829
      flesch: 76
     summary: x x v xN N N N N N N N           0 , , 12 , , , , 16 , ,. ) . . y y x x y y T TTT v vN N N N N N N N dy dx REFERENCES [1] Song, Q., Shi, J., Liu, Z., Wan, Y. (2016).
    keywords: n n; n ; t t; u y; v y; y n; y t; y x; y y;  
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        item: #913 of 1022
          id: fis-3248
      author: User
       title: Microsoft Word - numero_58_art_28_3248.docx
        date: 2021-09-24
       words: 5927
      flesch: 68
     summary: New parameter design of GFRP RC beams. The knowledge about the use of Glass-FRP rod following the NSM to reinforce RC beams is limited.
    keywords: beam; cfrp; damage; frequency; gfrp; nsm; rods; tests
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        item: #914 of 1022
          id: fis-3252
      author: User
       title: Microsoft Word - numero_58_art_29_3252.docx
        date: 2021-09-24
       words: 4845
      flesch: 69
     summary: New parameter design of GFRP RC beams. [mm] D1 D2 D3 R. Capozucca et alii, Frattura ed Integrità Strutturale, 58 (2021) 402-415; DOI: 10.3221/IGF-ESIS.58.29 406 (b) (c) Figure 5: Diagrams (a) load, P, vs deflection, δ; (b) load, P, vs strain, ɛc, at the edge of compressive concrete and (c) load, P, vs strain of tensile steel, ɛs – RC beam B1 without strengthening.
    keywords: beam; cfrp; concrete; gfrp; nsm; rod; rods; strain
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        item: #915 of 1022
          id: fis-3253
      author: Moumen
       title: Shot Peening Processes to obtain Nanocrystalline surfaces in metal alloys:
        date: 2021-09-25
       words: 4056
      flesch: 61
     summary: Steel X70; Impact test (CVN); GTN parameters; FEM; Artificial neural network. In this work, ANN model has been developed to predict the initial and maximum values of loading in impact test at different temperatures.
    keywords: doi; fracture; gtn; impact; load; maximum; model; parameters; steel; test; x70
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        item: #916 of 1022
          id: fis-3254
      author: User
       title: Microsoft Word - numero_59_art_08_3254.docx
        date: 2021-10-21
       words: 4115
      flesch: 62
     summary: BY PART 13 OF API 579-1/ASME FFS-1 STANDARD Definition and applicability criteria of non-metallic inclusion zone he NMIs are not considered as defects by any code, standard, or technical specification of mechanical integrity or FFS. Molecular hydrogen pressure in lamination zones is higher than in other areas, leading to the stress fields at plastic zones of crack tips which trigger the HIC propagation [12].
    keywords: api; assessment; doi; hydrogen; inclusions; lamination; level; nmis; pressure; zones
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        item: #917 of 1022
          id: fis-3255
      author: User
       title: Microsoft Word - numero_59_art_03_3255.docx
        date: 2021-10-12
       words: 5587
      flesch: 70
     summary: Microsoft Word - numero_59_art_03_3255.docx A. Behtani et alii, Frattura ed Integrità Strutturale, 59 (2022) 35-48; DOI: 10.3221/IGF-ESIS.59.03 35 Focussed on Steels and Composites for Engineering Structures Residual Force Method for damage identification in a laminated composite plate with different boundary conditions Amar Behtani, Samir Tiachacht Laboratory of Mechanics, Structure, and Energetics, Mouloud Mammeri University of Tizi-Ouzou, Algeria. The strongest point about damage identification based on the dynamic measurements, is the ability to perform structural health evaluation globally.
    keywords: composite; damage; noise
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        item: #918 of 1022
          id: fis-3261
      author: User
       title: Microsoft Word - numero_59_art_06_3261.docx
        date: 2021-10-13
       words: 5227
      flesch: 51
     summary: Figs. 13 to 18 present the variation of J-integral, CMOD and CTOD at different plate locations dependent on plate temperature and orientations. This trend indicated isotropic behavior at t/6 plate location for both temperatures, making the AA2050-T84 alloy plate surface suitable for ambient and cryogenic applications.
    keywords: constraint; crack; doi; fracture; location; orientation; plate; pzs; temperature; variation
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        item: #919 of 1022
          id: fis-3264
      author: User
       title: Microsoft Word - numero_60_art_03_3264.docx
        date: 2022-01-23
       words: 6235
      flesch: 61
     summary: Maximum stress criterion This criterion states that the structure withstands the conditions of use if the calculated stresses meet the conditions below. Citation: Deliou, A., Bouchouicha, B., Mechanical behavior of unidirectional composites according different failure criteria, Frattura ed Integrità Strutturale, 60 (2022) 30- 42.
    keywords: composite; criterion; doi; failure; materials; stress; tsai;  
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        item: #920 of 1022
          id: fis-3269
      author: User
       title: Microsoft Word - numero_59_art_17_3269.docx
        date: 2021-11-04
       words: 3786
      flesch: 57
     summary: A DAMAGED MODEL PRESENTED FOR CONCRETE Material parameters for the yield function and plastic flow potential he damaged concrete plasticity model (CDP) is employed in the ABAQUS manual. Damaged models which are based on presenting a novel curve of stress-strain in three dimensions stress can find in reports of.
    keywords: beam; concrete; damage; doi; fig; mm2; model; simulation
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        item: #921 of 1022
          id: fis-3278
      author: User
       title: Microsoft Word - numero_60_art_08_3278.docx
        date: 2022-01-27
       words: 6059
      flesch: 62
     summary: For fiber reinforced concretes, three stages are observed: a linear trend characterized the first stage, whereas in the descending branch (second stage); the fibers limit the cracks and their opening by sewing. Fiber-reinforced concrete; Alfa fiber; fiber length; volume Citation: Messas, T., Achoura, D., Boutrid, A., Mamen, B., Experimental investigation on the mechanical behavior of concrete reinforced with Alfa fibers, Frattura ed Integrità Strutturale, 60 (2022) 102-113.
    keywords: alfa; concrete; content; doi; fiber; fiber length; fig; length; load; strength; tensile
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        item: #922 of 1022
          id: fis-3282
      author: User
       title: Microsoft Word - numero_59_art_37_3282.docx
        date: 2021-12-21
       words: 7206
      flesch: 59
     summary: Two compositions of concrete were made in this context; the first is based on 50% substitution of river sand by crushed limestone sand [9] named C1, and the other is a control concrete C0 of 0% limestone sand to access the comparison.  The positive effect of limestone in sand based concrete of equal percentage of silica and limestone was certainly noticed by the formation of a whitish layer on the outer surface of the specimens, which also creates a barrier against the infiltration of aggressive agents inside the concrete.
    keywords: cement; cm-1; compressive; concrete; days; doi; environment; limestone; sand; silica; strength; water
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        item: #923 of 1022
          id: fis-3287
      author: User
       title: Microsoft Word - numero_59_art_31_3287.doc
        date: 2021-12-09
       words: 6645
      flesch: 77
     summary:            Three cases of cracked plate with three different types of cracks are assumed in this work, i.e., single edge crack, center crack and double edge crack.
    keywords: crack; doi; edge; fea; intensity; mode; plate; stress;  
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        item: #924 of 1022
          id: fis-3290
      author: User
       title: Microsoft Word - numero_59_art_xx_3290.docx
        date: 2021-10-11
       words: 11706
      flesch: 59
     summary: Ductile damage models The ductile damage evolution and fracture prediction represent the central points for the scientific and engineering community in the framework of material failure. Ductile damage model of an alluminum alloy: experimental and numerical validation on a punch test, Int.
    keywords: angle; damage; doi; eng; evolution; failure; fracture; group; int; loading; lode; material; mech; model; plastic; process; strain; stress; triaxiality
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        item: #925 of 1022
          id: fis-3293
      author: User
       title: Microsoft Word - numero_60_art_28_3293.docx
        date: 2022-03-17
       words: 4838
      flesch: 58
     summary: An empirical expression for the determination of Martens hardness as a function of indentation load, contact stiffness, and reduced modulus of elasticity by analyzing indentation load curves has been proposed for pile-up mode strain with the corrections imposed by the tip defect, the compliance of the instrument, and the axial axisymmetry coefficient of the Vickers indenter. Therefore, the ratio of indentation load to squared depth is not constant as mentioned by the authors Malzbender et al.
    keywords: depth; doi; expression; hardness; indentation; load; pile
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        item: #926 of 1022
          id: fis-3294
      author: User
       title: Microsoft Word - numero_59_art_35_3294.docx
        date: 2021-12-19
       words: 6303
      flesch: 57
     summary: Fatigue tests of specimens have been monitored with an infrared thermography system. This is a typical situation for composite materials with a plastic matrix; for this reason, fatigue tests are time-consuming for these materials.
    keywords: doi; fatigue; materials; method; mpa; risitano; specimens; strength; temperature; tests
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        item: #927 of 1022
          id: fis-3296
      author: User
       title: Microsoft Word - numero_60_art_07_3296.docx
        date: 2022-01-27
       words: 6673
      flesch: 62
     summary: SCC mixtures were tested at a fresh state to evaluate the filling, passing ability and the risk to segregation. 3/8 277 Water (kg/m3) 188 Superplasticizer (kg/m3) 4.23 Water/binder 0.4 Superplasticizer/binder 0.9 Table 4: Mix proportions of SCC mixtures.
    keywords: cement; compressive; concrete; cost; doi; flow; fluidity; mixtures; performance; scc; segregation; strength
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        item: #928 of 1022
          id: fis-3298
      author: User
       title: Microsoft Word - numero_59_art_05_3298.docx
        date: 2021-10-12
       words: 5400
      flesch: 61
     summary: Flexural performance of FRP reinforced concrete beams. In this research, the finite element method is used to develop a numerical model to analyse the effect of the external strengthening of reinforced concrete beams by using carbon Fiber Reinforced Polymer (CFRP) sheets.
    keywords: beams; cfrp; concrete; element; load; reinforcement; sheets; strain; strength
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        item: #929 of 1022
          id: fis-33
      author: None
       title: None
        date: 2008-10-01
       words: 3
      flesch: -303
     summary: http://www.gruppofrattura.it http://www.gruppofrattura.it http://dx.medra.org/10.3221/IGF-ESIS.06.03&auth=true
    keywords: http://www.gruppofrattura.it
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        item: #930 of 1022
          id: fis-3301
      author: User
       title: Microsoft Word - numero_59_art_26_3301.docx
        date: 2021-11-25
       words: 5276
      flesch: 49
     summary: Investigations of influence of natural gas/hydrogen mixtures on mechanical properties of pipeline steels demonstrate their susceptibility to hydrogen-induced embrittlement, which increases with the hydrogen partial pressure increasing [3]. This regularity is inherent not only for pipeline steels but also for metal structures of port cranes [29] and pipes of thermal power plants [30].
    keywords: doi; embrittlement; fracture; gas; hydrogen; nykyforchyn; operation; pipeline; specimens; steel; testing
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        item: #931 of 1022
          id: fis-3316
      author: User
       title: Microsoft Word - numero_59_art_24_3316
        date: 2021-11-23
       words: 8551
      flesch: 51
     summary: Probabilistic fatigue crack growth; Damage tolerance; Inspection intervals; Probability of detection; NASGRO. Fatigue crack growth in railway axles: assessment concept and validation tests, Eng.
    keywords: axles; crack; crack growth; damage; distribution; doi; failure; fatigue; fatigue crack; growth; inspection; life; lifespan; probabilistic; probability; railway; tolerance
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        item: #932 of 1022
          id: fis-3324
      author: User
       title: Microsoft Word - numero_59_art_29_3324.docx
        date: 2021-12-03
       words: 9282
      flesch: 62
     summary: This have been achieved by the adaptation of the parameters introduced in the numerical calculation such as: the increase in the number of shear directions (twenty directions), the use of seven criteria to give the order of plate transformation, the mono grain model with regular grain boundary and an elastic and elstoplastic behavior of the austenitic and martensitic phases. Microsoft Word - numero_59_art_29_3324.docx M. Gaci, Frattura ed Integrità Strutturale, 59 (2022) 444-460; DOI: 10.3221/IGF-ESIS.59.29 444 Numerical study of TRIP transformation in 35NCD16 steel-effects of plate orientation and some criteria Mounir Gaci Laboratory of Mechanics, University Frères Mentouri Constantine 1, Constantine, Algeria mounir.gaci@umc.edu.dz Kamel Fedaoui, Lazhar Baroura University Frères Mentouri Constantine 1, Constantine, Algeria Kamel.fedaoui@umc.edu.dz, https://orcid.org/0000-0003-0885-6914 barouralaz@yahoo.fr, https://orcid.org/0000-0002-6747-5049 Amar Talhi Metallurgy and Materials Engineering, Foundry laboratory, Badji Mokhtar University - Annaba, Algeria talhiamaryacine@gmail.com ABSTRACT.
    keywords: behavior; criteria; doi; n °; plasticity; shear; stress; transformation; trip; ° plates
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        item: #933 of 1022
          id: fis-3367
      author: User
       title: Microsoft Word - numero_60_art_06_3367.docx
        date: 2022-01-27
       words: 8087
      flesch: 68
     summary: All values of the experimental and predicted results of A. Elakhras et alii, Frattura ed Integrità Strutturale, 60 (2022) 73-88; DOI: 10.3221/IGF-ESIS.60.06 85 CMODCwere in the range of 0.028 to 0.06 mm, and 0.038 to 0.071 mm for MC FD FRC and MC-FGC, respectively. The KIC values calculated within the presence of fibers in front of and through the MC for FRC beam specimens having 1% SFs is more than twice the value of NSC. KEYWORDS.
    keywords: beams; concrete; crack; doi; etpfm; fd frc; fgc; fracture; frc; maximum; specimens; stress
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        item: #934 of 1022
          id: fis-3385
      author: User
       title: Microsoft Word - numero_60_art_13_3385.docx
        date: 2022-01-31
       words: 5420
      flesch: 59
     summary: In addition to these tests, the mechanical properties of two types of reinforced sand obtained experimentally, were used in a numerical analysis of a road embankment using a finite element program such as Plaxis 2D in order to observe the variation of different parameters like safety factor and the displacements (Ut, Ux, Uy). [9], employed a Plaxis 3D model to evaluate the damage produced to the geogrid during triaxial tests performed on reinforced sand samples, this model offered a clear explanation of the major cause of the damage by analysing numerical and experimental results.
    keywords: behaviour; cement; doi; embankment; fibre; model; road; sand; soil; triaxial
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        item: #935 of 1022
          id: fis-34
      author: Politecnico
       title: Shot Peening Processes to obtain Nanocrystalline surfaces in metal alloys:
        date: 2008-12-14
       words: 7669
      flesch: 52
     summary: SURFACE NANOCRYSTALLIZATION s stated before, the key point of surface nanocrystallization process of a bulk material is to introduce a large amount of defects and/or interfaces into the surface layer so that its microstructure is transformed into nano- sized crystallites while the structure of the coarse-grained matrix remains unchanged without any associated changes in the cross sectional dimensions of the samples Typical optical microscopic images of treated surfaces which can describe the initiation of nanocrystals are shown in Fig.
    keywords: fatigue; grain; layer; materials; nanocrystallization; peening; process; properties; sample; science; shot; surface
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        item: #936 of 1022
          id: fis-3407
      author: User
       title: Microsoft Word - numero_60_art_11_3407.docx
        date: 2022-01-28
       words: 6230
      flesch: 52
     summary: From the equations, we see that 30.08 (with a 95 % confidence interval from 31.72 to 32.45 MPa) is the mean value of the interlaminar shear strength of the material after immersion tests into the machine oil, sea, and process water solutions over the exposure time of 0 days at any temperature. The paper presents the results of mechanical tests for interlaminar shear of specimens of structural glass/epoxy composite electrical use before and after preliminary hygrothermal aging in operating environments (process water, sea water, machine oil) of various duration (15, 30 and 45 days) and various temperatures (22, 60 and 90 oC).
    keywords: aging; days; effect; interlaminar; oil; process; sea; sea water; shear; strength; temperature; time; value; water
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        item: #937 of 1022
          id: fis-3414
      author: User
       title: Microsoft Word - numero_61_art_02_3414.docx
        date: 2022-04-15
       words: 14359
      flesch: 57
     summary: It is suggested that these alloying elements may control the phase transformation temperature and the rate of hydrogen diffusion, as well as controlling NMI morphology, providing a path to develop high HIC resistance steels for pipeline manufacturing Microsoft Word - numero_61_art_02_3414.docx E. Entezari et alii, Frattura ed Integrità Strutturale, 61 (2022) 20-45; DOI: 10.3221/IGF-ESIS.61.02 20 Review of current developments on high strength pipeline steels for HIC inducing service Ehsan Entezari, Jorge Luis González-Velázquez, Diego Rivas López, Manuel Alejandro Beltrán Zúñiga Department of Metallurgy and Materials, Escuela Superior de Ingeniería Química e Industrias Extractivas, Instituto Politécnico Nacional, Mexico ehsan.entezari2014@gmail.com, https://orcid.org/0000-0003-3379-1761 jlgonzalezv@ipn.mx, https://orcid.org/0000-0001-6914-4449 drivasl@ipn.mx, https://orcid.org/ 0000-0003-4591-719X mabz_2205@hotmail.com, https://orcid.org/0000-0003-4201-9896 Jerzy A. Szpunar Department of Mechanical Engineering, University of Saskatchewan, Canada jerzy.szpunar@usask.ca, https://orcid.org/0000-0002-1291-8375 ABSTRACT.
    keywords: cracking; cracks; doi; effect; entezari; fracture; growth; hic; hydrogen; integrità; martensite; mater; mechanical; microstructure; nmi; pipeline; pipeline steels; properties; rate; resistance; steel; strength; stress; strutturale; temperature; toughness
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        item: #938 of 1022
          id: fis-3443
      author: User
       title: Microsoft Word - numero_61_art_20_3443.doc
        date: 2022-06-05
       words: 7086
      flesch: 63
     summary: It is clear from table 7 that the ratios of ultimate load of RC beams with RCA to that of RC beams with NCA (PULT-RCA/PULT-NCA) are lower in the case of GFRP RC beams than steel RC beams. Flexural behavior of RC beams The experimental results of load-central deflection for GFRP RC beams and steel RC beams are shown in Figs. 6 and 7, respectively.
    keywords: aggregate; bars; beams; concrete; doi; gfrp; load; rc beams; rca; reinforcement; steel; strength; tensile
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        item: #939 of 1022
          id: fis-3448
      author: User
       title: Microsoft Word - numero_60_art_19_3448.docx
        date: 2022-02-08
       words: 5437
      flesch: 53
     summary: Moreover, the corrosion test data indicates that this new heat treatment produces corrosion resistance similar to that of the T76 heat treatment. KEYWORDS. [16], the effect of the size and distribution of precipitates on stress corrosion cracking of 7050 alloy was clarified in [17] and the effect of homogenization on corrosion resistance of extruded bars was intensively studied in [18].
    keywords: ageing; alloy; aluminum; corrosion; doi; peak; resistance; standard; strength; treatment; ° c
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        item: #940 of 1022
          id: fis-3449
      author: Reviewer
       title: Shot Peening Processes to obtain Nanocrystalline surfaces in metal alloys:
        date: 2022-02-08
       words: 3858
      flesch: 61
     summary: The extended finite element method (XFEM) is among the most advanced technologies for simulating fracture phenomena, and several recent studies proved that it could be reliable also regarding fatigue crack propagation in metals The case study consists of welded bridge details, which are critical systems undergoing fatigue crack propagation and are less studied in the literature.
    keywords: analysis; crack; doi; fatigue; figure; model; numerical; results
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        item: #941 of 1022
          id: fis-3470
      author: User
       title: Microsoft Word - numero_60_art_24_3470.docx
        date: 2022-03-02
       words: 7004
      flesch: 66
     summary: Fatigue crack growth and arrest under high-cycle thermal loading using XFEM in presence of weld residual stresses, Transactions, 415 (figure 4). XFEM simulation of fatigue crack growth in a welded joint of a pressure vessel with a reinforcement ring, Arch.
    keywords: approach; crack; doi; energy; eng; fatigue; joints; mode; sed; sif; strain; stress; xfem; zone
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        item: #942 of 1022
          id: fis-3472
      author: User
       title: Microsoft Word - numero_61_art_15_3472.docx
        date: 2022-05-24
       words: 6832
      flesch: 58
     summary: The σmin used for simulation in Fig.14 is higher than σmin used for simulation in Fig. 12 which cause the reduction of sandwich panel fatigue life as showed in Figs. It is highlighted that modification on the surface of core design could be beneficial to enhance the bonding strength performance of sandwich panels and prevent early delamination under extreme conditions such as constant cyclic loading.
    keywords: core; doi; fatigue; life; load; panel; sandwich; sandwich panel; sp-1; sp-2; sp-3; stress
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        item: #943 of 1022
          id: fis-3477
      author: User
       title: Microsoft Word - numero_61_art_08_3477.docx
        date: 2022-04-27
       words: 4953
      flesch: 55
     summary: Figure 10: Relationship between XFEM calculated creep crack growth length and normalized time (c) M. I. Meor Ahmad et alii, Frattura ed Integrità Strutturale, 61 (2022) 119-129; DOI: 10.3221/IGF-ESIS.61.08 128 Figure 11: Comparison of XFEM calculated creep crack growth rate versus C(t)-integral with experimental data. A model of creep fracture initiation and creep crack growth (CCG) is developed, while the XFEM is employed to spots located inside the finite element for the purpose of predicting crack potential and propagation.
    keywords: crack; creep; element; finite; fracture; growth; specimen; stress; xfem
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        item: #944 of 1022
          id: fis-3490
      author: User
       title: Microsoft Word - numero_61_art_04_3490.docx
        date: 2022-04-14
       words: 5186
      flesch: 55
     summary: In this, stainless steel TIG welds produced without flux, the delta-ferrite content from its initial value of 1.7 FN is increased to 6.8 FN. Evaluation of TIG flux welding on the characteristics of stainless steel, Science and Technology of Welding and Joining, 10(5), pp.
    keywords: arc; doi; flux; oxide; penetration; process; steel; tig; tio2; welding; welds
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        item: #945 of 1022
          id: fis-3498
      author: User
       title: Microsoft Word - numero_61_art_36_3498.docx
        date: 2022-06-19
       words: 6612
      flesch: 52
     summary: It provides information on what can happen to other dams in service, this analysis presents a field in full development, the result obtained presents a mathematical inflection of the uncertainty related to the parameters introduced in the dam stability calculation which means that the uncertainty is expressed in terms of failure probabilities. he application of the three reliability methods on the Beni Harroun dam gave failure probabilities during certain scenarios, each scenario having its own specific load combinations, e.g. Pf estimated in scenario 47 (C47) is the probability of failure at the landslide in relation to the dam-foundation interface when the dam is subjected to seismic loading and when the functional probability for the drainage system to operate at 90% is equal to 1.
    keywords: concrete; dam; dams; doi; failure; integrità; methods; probability; reliability; risk; safety; scenarios; strutturale
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        item: #946 of 1022
          id: fis-35
      author: Politecnico
       title: Shot Peening Processes to obtain Nanocrystalline surfaces in metal alloys:
        date: 2008-12-14
       words: 5402
      flesch: 55
     summary: Le curve rappresentate evidenziano una diminuzione della rotazione massima dei conci di trave all’aumentare della dimensione della trave stessa, con la comparsa di rami di softening con una pendenza via via crescente. tra la rotazione oltre la quale si ha un rapido decremento del momento resistente e la rotazione di snervamento dell’acciaio ( )2(PLϑ in Fig. 1).
    keywords: alla; armato; calcestruzzo; carpinteri; che; come; comportamento; compressione; con; della; fessura; fig; frattura; legge; materiale; modello; momento; nel; non; plastica; resistenza; risultati; rotazione; sono; sperimentali; strutturale; tale; tra; trazione; una
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        item: #947 of 1022
          id: fis-3527
      author: User
       title: Microsoft Word - numero_61_art_25_3527.docx
        date: 2022-06-23
       words: 11116
      flesch: 71
     summary: Bending and vibration analysis of composite sandwich plates, Computers & structures, 60 (1), pp. 103-112. Bending analysis of composite sandwich plates with laminated face sheets: new finite element formulation, Journal of Solid Mechanics 8 (2), pp.
    keywords: analysis; doi; element; finite; plates; sandwich; shear; theory
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        item: #948 of 1022
          id: fis-3530
      author: User
       title: Microsoft Word - numero_62_art_04_3530.docx
        date: 2022-07-25
       words: 5688
      flesch: 54
     summary: In order to prevent deformations by improving pavement performance, bituminous binder has been modified with various additives and many studies which aim to improve bituminous binder properties have been carried out [2-7]. [28] Hajiloo, H. R., Karimi, H. R., Aliha, M. R. M., Zanjirani Farahani, H., Salehi, S. M., Hajiloo, M. and Jafari Haghighatpour, P. (2022).
    keywords: asphalt; binder; cdea; doi; fibers; mixtures; moisture; samples; strength; tensile; waste; yarn
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        item: #949 of 1022
          id: fis-3533
      author: User
       title: Microsoft Word - numero_61_art_34_3533.docx
        date: 2022-06-18
       words: 4969
      flesch: 49
     summary: Evaluation of particle size distribution, mechanical properties, microstructure and electrochemical studies of AA1050 / fly ash metal matrix composite. A Concise review of the effects of hybrid particulate reinforced aluminium metal matrix composites on the microstructure, density and mechanical properties.
    keywords: aluminium; amcs; ash; composites; corrosion; doi; fly; materials; matrix; ononiwu; reinforcements; samples
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        item: #950 of 1022
          id: fis-3534
      author: User
       title: Microsoft Word - numero_62_art_18_3534.docx
        date: 2022-08-29
       words: 4862
      flesch: 63
     summary: Influence of constraint on creep stress distribution in notched bars, J. Strain Anal. Figure 1: True stress strain behavior of ex-serviced P91 material tested at 25°C and 600°C Improving the accuracy of high-temperature components' life evaluation methods is critical for rationalizing component design and life management.
    keywords: blunt; creep; damage; ductility; material; medium; model; notch; rupture; stress
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        item: #951 of 1022
          id: fis-3537
      author: User
       title: Microsoft Word - numero_62_art_19_3537.docx
        date: 2022-08-29
       words: 4277
      flesch: 60
     summary: Then Specimen Preparation Spot Welding Low Blow Impact Treatment Tensile Test Fatigue Test Effect of post-weld on fatigue properties D M. M. Padzi et alii, Frattura ed Integrità Strutturale, 62(2022) 271-278; DOI: 10.3221/IGF-ESIS.62.19 274 another two parts of equal sizing (45 mm X 45 mm) were welded at each end of the welded structure. Fatigue; Post-weld; Welding; PWIT Citation: Padzi, M. M., Ghazali, F. A., Evaluation on fatigue behaviour of spot- welded joint under low blow impact treatment, Frattura ed Integrità Strutturale, 62 (2022) 271-278.
    keywords: doi; fatigue; life; specimens; spot; stress; treatment; welding
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        item: #952 of 1022
          id: fis-3538
      author: User
       title: Microsoft Word - numero_62_art_21_3538.docx
        date: 2022-08-31
       words: 7034
      flesch: 56
     summary: Rapid estimation of fatigue entropy and toughness in metals, Mater. On the evaluation of fracture fatigue entropy, Theor.
    keywords: crack; doi; energy; entropy; fatigue; generation; growth; life; load; mlr; stress; temperature; value
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        item: #953 of 1022
          id: fis-3550
      author: User
       title: Microsoft Word - numero_62_art_32_3550.docx
        date: 2022-09-07
       words: 16684
      flesch: 55
     summary: [79] Yu, L., Wan, Z. (2008).An improved PSO algorithm and its application to structural damage detection. Structural damage detection method using uncertain frequency response functions, Comput.
    keywords: algorithm; damage; damage detection; eng; frequencies; function; ghannadi; identification; methods; modal; mode; objective; optimization; particle; problems; pso; review; step; structural; study; swarm; swarm optimization; updating
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        item: #954 of 1022
          id: fis-3562
      author: None
       title: fis-3562
        date: 2022-09-01
       words: 8720
      flesch: 61
     summary: Figure 23: IDA regression results on the frame with IP infill wall Therefore, the failure probabilities of the frames with IP-OOP and IP infill walls can be respectively calculated by:      T D. Wang, Frattura ed Integrità Strutturale, 62 (2022) 364-384; DOI: 10.3221/IGF-ESIS.62.26 377 Figure 14: IDA curves of IP infill wall.
    keywords: damage; doi; frame; infill; infill wall; interactions; model; oop; oop infill; vulnerability; walls
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        item: #955 of 1022
          id: fis-3573
      author: User
       title: Microsoft Word - numero_61_art_32_3573.docx
        date: 2022-06-17
       words: 4434
      flesch: 50
     summary: Bending Mode 3, (b): Bending Mode 5, for delamination location at X=220, Layer-3 with delamination size of 250mm2. For different delaminated beams with varying position and size, inverse approaches such as Response Surface Methodology (RSM) and Artificial Neural Network (ANN) are utilized to address the inverse problem, which aids in the prediction of delamination size and location.
    keywords: ann; composite; delamination; doi; frequencies; frequency; location; rsm; size; sreekanth; vibration
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        item: #956 of 1022
          id: fis-3578
      author: User
       title: Microsoft Word - numero_62_art_42_3578.docx
        date: 2022-09-15
       words: 5155
      flesch: 55
     summary: The calculated value of the hf/hm ratio designates the type of deformation mode under the indenter, namely the sink-in mode or the pile-up mode (see Fig. (1.b)). [8] is not appropriate for this case study because it does not take consider the corrections that have to be applied in order to take into account the bluntness of the indenter, the frame compliance or other factors which affect indentation response.
    keywords: deformation; doi; indentation; indenter; materials; mode; modulus; pile; responses; sink
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        item: #957 of 1022
          id: fis-3579
      author: User
       title: Microsoft Word - numero_62_art_02_3579.docx
        date: 2022-07-24
       words: 6331
      flesch: 60
     summary: When crushed, RCA from low strength concrete has less attached mortar than RCA from high strength concrete as seen by [10]. When RCA is employed, compressive and flexural strength drop, however the reduction is less pronounced in low strength concrete than in stronger concrete [12].
    keywords: aggregate; cement; compressive; concrete; mortar; parent; rac; rca; strength; water
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        item: #958 of 1022
          id: fis-36
      author: Politecnico
       title: Shot Peening Processes to obtain Nanocrystalline surfaces in metal alloys:
        date: 2009-02-03
       words: 10362
      flesch: 66
     summary: Il frame analitico sviluppato da Lazzarin e Zappalorto ha permesso inoltre di determinare delle espressioni in forma chiusa per la densità di energia di deformazione nel volume di controllo e per il J-integral di Rice in funzione dei fattori plastici di intensificazione delle tensioni: ( ) [6,7] e Rice e Rosengren [8] che fornirono una soluzione elastoplastica per i campi asintotici di tensione indotti da una cricca sollecitata a modo I. Nei decenni successivi, notevole attenzione è stata posta agli effetti di eventuali termini di ordine superiore sulle distribuzioni di tensione in presenza di sollecitazioni sia di modo I, sia di modo II
    keywords: + +; alii; che; con; delle; dell’intaglio; doi; essere; forma; frattura; http://dx.medra.org/10.3221/igf-esis.07.03&auth=true; http://www.gruppofrattura.it; intagli; integrità; quindi; strutturale; tensione; una; zappalorto;  +;  ;  ;  ;  
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        item: #959 of 1022
          id: fis-3614
      author: Dasha
       title: Shot Peening Processes to obtain Nanocrystalline surfaces in metal alloys:
        date: 2022-10-29
       words: 5609
      flesch: 63
     summary: Therefore, assessment of the stress level in structural P http://orcid.org/0000-0001-2345-6789 https://orcid.org/0000-0001-8695-3598 https://orcid.org/0000-0001-9097-8501 https://orcid.org/0000-0003-4978-6238 https://youtu.be/IvKOhI43mXM D. Okulova et alii, Frattura ed Integrità Strutturale, 63 (2023) 80-90; DOI: 10.3221/IGF-ESIS.63.08 81 elements with corrosion defects is an important issue to prevent the abrupt failure of the structures in an aggressive environment. Many authors considered structures weakened by multiple surface defects.
    keywords: corrosion; defects; doi; maximum; notch; pits; sphere; stress; surface; vessel
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        item: #960 of 1022
          id: fis-3624
      author: User
       title: Microsoft Word - numero_61_art_33_3624.docx
        date: 2022-06-17
       words: 6471
      flesch: 65
     summary: The behavior will be addressed more in details in Section 3.    d2 2 0              c They can be computed by a straightforward application of Paris’ equation as:     d 0 ,2 , '      pa IP I K P a v K a a E P (5)     d 0 ,2 , '      p c
    keywords: ccm; crack; doi; eqn; ffm; finite; fracture; size; stress
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        item: #961 of 1022
          id: fis-3637
      author: User
       title: Microsoft Word - numero_62_art_13_3637.docx
        date: 2022-08-25
       words: 6807
      flesch: 68
     summary: All these approaches are more or less accurate for different materials at various load paths, so it is important to validate multiaxial fatigue models in particular cases. In this paper, a previously developed modification of the Sines model of multiaxial fatigue is reduced to an invariant form.
    keywords: alloy; aluminum; doi; fatigue; max; mean; model; stress; t t
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        item: #962 of 1022
          id: fis-3652
      author: User
       title: Microsoft Word - numero_62_art_23_3652.docx
        date: 2022-08-31
       words: 5096
      flesch: 51
     summary: Jute fiber reinforced composites can be used as an alternative to glass fiber reinforced composites [8]. Hemp and sisal composites show a strength comparable to that of glass fiber composites.
    keywords: composites; doi; energy; fiber; fracture; glass; impact; jute; materials; polyester; properties; stress; weibull
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        item: #963 of 1022
          id: fis-3653
      author: User
       title: Microsoft Word - numero_62_art_38_3653.docx
        date: 2022-09-13
       words: 5747
      flesch: 62
     summary: Fiber optic Bragg grating sensors, Fiber optic and laser sensors VII, 1169, pp. 98-107. Evolution of the temperature and the corresponding change in the central wavelength of the grating at several stages of temperature loading are shown in Fig. 4. Figure 4: Evolution of temperature (a) and Bragg grating wavelength (b) as a function of time.
    keywords: bragg; doi; fiber; grating; strain; temperature; wavelength
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        item: #964 of 1022
          id: fis-3672
      author: User
       title: Microsoft Word - numero_62_art_24_3672.docx
        date: 2022-09-01
       words: 7246
      flesch: 61
     summary: This elastic strain is measured and eliminated from strain versus time curves of polyamide. The stepped isostress method (SSM) is an advanced technique which allows the prediction of the long-term behavior and enables the construction of creep master curves of materials with short-term experimental tests.
    keywords: creep; curves; doi; exponential; method; mpa; power; rescaling; strain; stress; temperature; term; time
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        item: #965 of 1022
          id: fis-3673
      author: User
       title: Microsoft Word - numero_62_art_01_3673.docx
        date: 2022-07-20
       words: 6594
      flesch: 54
     summary: Using only the information as presented so far is impossible to determine if a test specimen subjected to bending or tension loading, characterized by elastic generalized parameter, has higher or lower probability of failure than the same sample interpreted in terms of plastic GPs. Microsoft Word - numero_62_art_01_3673.docx V. Shlyannikov et alii, Frattura ed Integrità Strutturale, 62 (2022) 1-13; DOI: 10.3221/IGF-ESIS.62.01 1 Elastic and nonlinear crack tip solutions comparison with respect to failure probability Valery Shlyannikov, Andrey Tumanov, Natalia Boychenko FRC Kazan Scientific Center of Russian Academy of Sciences, Russia shlyannikov@mail.ru, http://orcid.org/0000-0003-2468-9300 tumanoff@rambler.ru, http://orcid.org/0000-0002-2345-6790 tasha1203@mail.ru ABSTRACT.
    keywords: crack; distribution; doi; elastic; failure; fracture; parameter; plasticity; probability; senb; shlyannikov; specimen; strain; stress
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        item: #966 of 1022
          id: fis-3679
      author: User
       title: Microsoft Word - numero_63_art_23_3679.docx
        date: 2022-12-16
       words: 3898
      flesch: 53
     summary: Modern structural alloys begin to “feel” this effect starting from hydrogen concentrations of 0.1 ppm [9]. To measure the distribution of hydrogen concentration in the metal of the I-beam, an industrial mass-spectrometric hydrogen analyzer AV-1 was used.
    keywords: beam; concentration; distribution; doi; hydrogen; metal; samples; steel
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        item: #967 of 1022
          id: fis-37
      author: Politecnico
       title: Shot Peening Processes to obtain Nanocrystalline surfaces in metal alloys:
        date: 2008-12-16
       words: 4010
      flesch: 52
     summary: Shot Peening Processes to obtain Nanocrystalline surfaces in metal alloys: S.K. Kudari et alii, Frattura ed Integrità Strutturale, 7 (2009) 57-64; DOI: 10.3221/IGF-ESIS.07.04 57 Experimental investigation on possible dependence of plastic zone size on specimen geometry S. K. Kudari School of Mechanical Engineering, Howard College Campus, University of KwaZulu-Natal, Durban- 4041, South Africa. [5] have theoretically studied the effect of specimen geometry on plastic zone size using the J-integral to explore the constraint effects.
    keywords: crack; kudari; microhardness; plastic; results; size; specimen; stress; tip; zone
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        item: #968 of 1022
          id: fis-3728
      author: User
       title: Microsoft Word - numero_63_art_xx_3728.docx
        date: 2022-10-15
       words: 6507
      flesch: 55
     summary: Numerical interpretation of temperature distributions from three ground freezing applications in urban tunnelling. The problem of determining the temperature of the brine at the stage of maintaining the FW thickness was considered only within the framework of the analysis of temperature fields [17].
    keywords: freezing; load; properties; shaft; soil; strength; t t; temperature; time
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        item: #969 of 1022
          id: fis-3729
      author: User
       title: Microsoft Word - numero_62_art_39_3729.docx
        date: 2022-09-13
       words: 5942
      flesch: 59
     summary: Commercially available statistical tool is used to analyze the obtained result for AA6063-AISI4130 and AA6063-Cu dissimilar welding joints. The influence of the process parameters like UP, FP and FT on the tensile strength of the AA6063-AISI4130 and AA6063-Cu dissimilar welding joints are analyzed using the signal to noise ratio.
    keywords: aa6063; aisi4130; doi; friction; joints; parameters; pressure; steel; strength; tensile; tensile strength; welding
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        item: #970 of 1022
          id: fis-3734
      author: User
       title: Microsoft Word - numero_62_art_40_3734.docx
        date: 2022-09-21
       words: 7402
      flesch: 62
     summary: This is more clearly seen in the limit case                           0 2 2 max min max min lim ,{ , } , ( ) 2 The condition limiting tensile stresses is known as the Rankine criterion [20,22] R t t     max( , ) (35) The corresponding multi-surface representation is: R t t R t t R t t                      1 1 2 2 3 3 ( , ) ( , ) ( , ) (36) The set A contains one parameter  t. Figure 8: The PMC/R yield surface.
    keywords: criterion; doi; t t; yield;  ;  
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        item: #971 of 1022
          id: fis-3742
      author: User
       title: Microsoft Word - numero_62_art_35_3742.docx
        date: 2022-09-12
       words: 6243
      flesch: 60
     summary: The energy approach is widely used to propose fracture criteria and describe the evolution of fatigue crack [19–25]. The kinetics of fatigue cracks propagated through the compressive residual stresses field could be described on the base of the energy approach.
    keywords: crack; doi; fatigue; fatigue crack; heat; laser; lsp; material; propagation; scheme; specimens; stress; treatment
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        item: #972 of 1022
          id: fis-38
      author: User
       title: Microsoft Word - numero 7 art 5
        date: 2008-12-15
       words: 2834
      flesch: 53
     summary: Delamination; pultruded composites; DGM-XGM failure; fatigue damage. By means of the SEM analysis it was moreover possible to understand how fatigue damage develops in the different layers of materials.
    keywords: composite; damage; failure; fatigue; material; sem; specimens; tests
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        item: #973 of 1022
          id: fis-3834
      author: User
       title: Microsoft Word - numero_63_art_04_3834.docx
        date: 2022-10-17
       words: 4558
      flesch: 54
     summary: The reason for overall error may be because of more complexity in plate delaminations prediction because of more number of inputs (four) to the neural network. Two hundred and twenty five distinct delamination scenarios were created numerically for this study by combining delaminations at nine different places (combinations of x = 60, 120, 180; and Y = 60, 120, 180; where x and y are distance of delaminations location from bottom left end.)
    keywords: composite; delamination; doi; layer; network; neural; plates; sreekanth; y=60
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        item: #974 of 1022
          id: fis-3836
      author: User
       title: Microsoft Word - numero_63_art_09_3836.docx
        date: 2022-10-31
       words: 4534
      flesch: 53
     summary: Fatigue damage model for injection-molded short glass fibre reinforced thermoplastics, Int. Numerical modelling and simulation of fatigue damage in carbon fibre reinforced plastics at different stress ratios, Thin-Walled Structures, 139, pp.
    keywords: accumulation; composite; cyclic; damage; distribution; doi; fatigue; model; parameters
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        item: #975 of 1022
          id: fis-3855
      author: User
       title: Microsoft Word - numero_62_art_41_3855.docx
        date: 2022-09-15
       words: 5160
      flesch: 48
     summary: This paper presents a formula to estimate the resultant load history due to bullet splash interactions, based only on the geometry of the bullet, its mass distribution, and its initial impact velocity. The results demonstrate that the proposed method can be used to estimate the forces generated by bullet-splash phenomena of 9x21mm full metal jacket bullets and effectively applied to finite element simulations allowing significant reductions in computational cost.
    keywords: andreotti; bullet; doi; history; impact; load; plate; simulations; stress; time
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        item: #976 of 1022
          id: fis-39
      author: Politecnico
       title: Shot Peening Processes to obtain Nanocrystalline surfaces in metal alloys:
        date: 2008-12-20
       words: 2598
      flesch: 57
     summary: Several laboratory experiments are required for developing the soil-mixing model necessary for reliable field application (a rational assessment selecting soil property for improvement of soil bearing capacity should include a logical investigation in laboratory testing method for accurate interpretation of results providing feasible data in field application). The main objective of this research is the improvement of red soil by the addition of construction materials.
    keywords: bearing; capacity; model; red; soil; weight
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        item: #977 of 1022
          id: fis-3908
      author: User
       title: Microsoft Word - numero_63_art_07_3908.docx
        date: 2022-10-25
       words: 3809
      flesch: 66
     summary: [18, 19] took into account many types of convex embedded cracks subjected to nominal tensile stress σn. In the present work, a simple formula for the evaluation of the stress intensity factor (SIF) of convex embedded polygonal cracks has been proposed.
    keywords: crack; factor; intensity; sif; stress
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        item: #978 of 1022
          id: fis-40
      author: Politecnico
       title: Shot Peening Processes to obtain Nanocrystalline surfaces in metal alloys:
        date: 2009-03-25
       words: 581
      flesch: 48
     summary: Grazie all’impegno degli organizzatori locali, Bruno Atzori e Luca Susmel, è stato ottenuto un successo notevole sia per il numero di partecipanti che per il numero e la qualità delle memorie presentate. Shot Peening Processes to obtain Nanocrystalline surfaces in metal alloys: Frattura ed Integrità Strutturale, 8 (2009) 2 Il 9 ed il 10 marzo 2009 si è svolto a Forni di Sopra, provincia di Udine, il Workshop IGF dal titolo
    keywords: dal; sessione
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        item: #979 of 1022
          id: fis-41
      author: User
       title: Microsoft Word - numero 8 art 1
        date: 2009-03-24
       words: 7628
      flesch: 57
     summary: Nei grafici che seguono vengono mostrate le differenti risposte del pannello per i tre materiali di interfaccia considerati ed, in particolare, si riporta: - nella Fig. 5, l’andamento di T in funzione della componente orizzontaleC del punto C; - nella Fig. 6, l’andamento di T in funzione della componente verticaleC del punto C; - nella Fig. 7, l’andamento di T in funzione della componente di spostamento orizzontaleB del punto B. http://dx.medra.org/10.3221/IGF-ESIS.08.01&auth=true http://www.gruppofrattura.it E. Sacco et alii, Frattura ed Integrità Strutturale, 8 (2009) 3-20; DOI: 10.3221/IGF-ESIS.08.01 13 Figura 5: Forza orizzontale totale T in funzione della componente di spostamento C. Figura 6: Forza orizzontale totale T in funzione della componente di spostamento C. Figura 7: Forza orizzontale totale T in funzione della componente di spostamento B. 0 0.2 0.4 0.6 0.8 1 1.2 1.4 0.00 0.10 0.20 0.30 0.40 0.50 0.60 0.70 0.80 0.90 1.00 C mm T[N] Materiale 1 Materiale 2 Materiale 3 0.5 resistenza limite teorica 0 0.2 0.4 0.6 0.8 1 1.2 1.4 1.6 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 C[mm] T[N] Materiale 1 Materiale 2 Materiale 3 0 0.2 0.4 0.6 0.8 1 1.2 1.4 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1 B[mm] T[N] Materiale 1 Materiale 2 Materiale 3 http://dx.medra.org/10.3221/IGF-ESIS.08.01&auth=true http://www.gruppofrattura.it E. Sacco et alii, Frattura ed Integrità Strutturale, 8 (2009) 3-20; DOI: 10.3221/IGF-ESIS.08.01 14 Nella Fig. 8, invece, vengono mostrate per ciascun materiale di interfaccia utilizzato le configurazioni di equilibrio della parete in corrispondenza di tre valori di spostamento orizzontale del nodo C. In particolare viene riportata: nella Fig. Nei paragrafi successivi, si definisce il modello di interfaccia, riportando le equazioni di stato e le leggi evolutive del danno e dell’attrito modellato tramite la teoria della plasticità.
    keywords: alii; analisi; che; comportamento; con; cui; del; della; doi; fig; frattura; integrità; interfaccia; malta; materiale; modello; nel; non; punto; risultati; sacco; sono; spostamento; strutturale; una
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        item: #980 of 1022
          id: fis-42
      author: Politecnico
       title: Shot Peening Processes to obtain Nanocrystalline surfaces in metal alloys:
        date: 2009-03-25
       words: 2477
      flesch: 53
     summary: AFTER ONE SECOND AFTER TWO SECONDS AFTER THREE SECONDS AFTER FOUR SECONDS AFTER FIVE SECONDS Figure 6a: Deformation shape of embankment subsoil (up to five seconds, Test A). Deformation shape of embankment subsoil (up to five seconds, Test B).
    keywords: embankment; figure; model; stress; subsoil; test
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        item: #981 of 1022
          id: fis-43
      author: User
       title: Microsoft Word - numero 8 art 3
        date: 2009-03-25
       words: 8230
      flesch: 53
     summary: A brief description of cold spray coating process is presented. http://dx.medra.org/10.3221/IGF-ESIS.08.03&auth=true http://www.gruppofrattura.it R. Ghelichi et alii, Frattura ed Integrità Strutturale, 8 (2009) 30-44; DOI: 10.3221/IGF-ESIS.08.03 41 THE EFFECT OF CGDS ON SUBSTRATE PROPERTIES he effect cold spray coating process on many substrate properties specially the fatigue behavior was studied by many authors.
    keywords: bond; coating; cold; deposition; effect; materials; particle; process; spray; spraying; substrate; surface; technology; temperature; thermal; velocity
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        item: #982 of 1022
          id: fis-44
      author: User
       title: Microsoft Word - numero 8 art 4
        date: 2009-03-25
       words: 3155
      flesch: 64
     summary: This analysis provides the validation of the present FE computation in 2D. A series of 3D FE stress analyses have been carried out on SENT specimens with varied thickness and a/W ratio, to study the variation of T-stress along the crack-front (Effect of thickness).The obtained T-stress results are normalized with respect to applied stress (). Using superscript ‘L’ to designate the stress and displacement fields, the analytical solution [16] gives: Stress field: s q p = 311 cos , L f r s q q p = 222 cos sin , L f r s n q p =33 cos , L f r s s=
    keywords: analysis; constraint; crack; specimen; stress; thickness; variation
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        item: #983 of 1022
          id: fis-45
      author: User
       title: Microsoft Word - numero 9 notiziario
        date: 2009-06-06
       words: 7051
      flesch: 54
     summary: IL PRESIDENTE IGF GIUSEPPE FERRO VERBALE ASSEMBLEA DEI SOCI DEL 5 NOVEMBRE 2008 La riunione ha inizio alle ore 15.15 presso il Politecnico di Torino, con il seguente ordine del giorno: - Approvazione ordine del giorno; - Approvazione del verbale dell’Assemblea dei Soci del 2 luglio 2007; - Comunicazioni del Presidente; - Relazione Annuale del Presidente; - Relazione del Tesoriere ed approvazione del Bilancio Consuntivo 2007; - Relazione dei Revisori dei Conti; - Indirizzi dell’attività dell’Associazione nell’anno 2008-09; - Previsione finanziaria e quota associativa 2009; - Per quanto riguarda la sessione serale, è stata contattata la persona che gestisce i locali del Castello che ha garantito la presenza del tecnico e del portiere per la serata del 24 giugno.
    keywords: 2010; all’o.d.g; attività; che; committee; conference; consiglio; convegno; crack; dal; dei; del; della; esis; fatigue; fracture; frattura; gruppo; http://www.gruppofrattura.it; igf; integrità; nel; non; notiziario; politecnico; presidente; prof; prossimo; punto; results; sessione; soci; sono; strutturale; torino; una
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        item: #984 of 1022
          id: fis-46
      author: User
       title: Microsoft Word - numero 9 art 1 finale
        date: 2009-06-06
       words: 2620
      flesch: 61
     summary: In this context the application of the structural stress concept, notch stress concept and crack propagation concept are discussed through the example of K-nodes used in energetic offshore constructions like oil platforms or wind power plants, presenting the state of the art. KEYWORDS. Figure 5: Overview of fatigue design concepts for welded joints.
    keywords: concept; fatigue; fig; sonsino; stress
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        item: #985 of 1022
          id: fis-47
      author: User
       title: Microsoft Word - numero 9 art 2 finale
        date: 2009-06-06
       words: 6975
      flesch: 66
     summary: Figura 3: Resistenza a fatica di giunti saldati in acciaio in funzione del valore medio della densità di energia di deformazione Nmm/mm 3 TW = 3.3 Slope k=1.5 Figura 4: Resistenza a fatica di giunti saldati testa a testa in funzione del valore medio della densità di energia di deformazione
    keywords: alla; che; come; con; controllo; cordoni; criterio; deformazione; dei; della; densità; energia; fatica; fatigue; frattura; giunti; lazzarin; medio; modo; nel; non; raggio; saldati; spessore; strutturale; tensione; una; valore; volume
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        item: #986 of 1022
          id: fis-48
      author: User
       title: Microsoft Word - numero 9 art 3 finale
        date: 2009-06-06
       words: 2436
      flesch: 61
     summary: Nella pratica applicativa non è però infrequente il caso di cordoni di saldatura di dimensioni maggiori, sia perchè espressamente previsti, per evitare il rischio di rotture per fatica che si inneschino alla radice del cordone di saldatura e si propaghino attraverso il cordone di saldatura stesso (molto più insidiose di quelle che si innescano al piede del cordone di saldatura e si propagano nel materiale base), sia anche non previsti, ma conseguenza delle modalità di saldatura adottate. le due L http://www.gruppofrattura.it/ http://dx.medra.org/10.3221/IGF-ESIS.09.03&auth=true B. Atzori et alii, Frattura ed Integrità Strutturale, 9 (2009) 27 - 32; DOI: 10.3221/IGF-ESIS.09.03 30 serie di risultati, che conferma le indicazioni fornite dall’analisi teorica: la resistenza a fatica migliora al crescere dello spessore del cordone di saldatura.
    keywords: atzori; che; con; cordone; del; della; fatica; non; resistenza; risultati; saldatura; spessore
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        item: #987 of 1022
          id: fis-49
      author: User
       title: Microsoft Word - numero 9 art 4 finale
        date: 2009-06-06
       words: 5316
      flesch: 60
     summary: di innesco cricca tramite l’utilizzo del parametro locale K1N, ovvero fattore di intensificazione delle tensioni di intaglio di modo I, elimina la traslazione verticale dovuta alle differenti concentrazioni di tensione strutturale. Tale curva descrive, su scala doppio logaritmica e con riferimento ad una probabilità di sopravvivenza del 97.7%, l’andamento della resistenza a fatica in termini di range di tensione (σ = σ max – σ min), in funzione del numero di cicli N. Nel diagramma, si possono distinguere tre punti particolari:
    keywords: 8634; atzori; base; caso; che; con; confronto; cordone; curva; dati; del; della; eurocodice; fatica; giunti; lega; nel; non; resistenza; saldatura; serie; sono; sperimentali; strutturale; uni; valori
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        item: #988 of 1022
          id: fis-50
      author: User
       title: Microsoft Word - numero 9 art 5 finale
        date: 2009-06-06
       words: 3879
      flesch: 58
     summary: Mean value and amplitude of normal stress and shear stress The critical plane  passing through a given point P in a solid and the attached orthogonal coordinate system Puvw are considered (Fig.2), where the u-axis belongs to the plane formed by the w-axis (normal to the critical plane) and the Z- http://www.gruppofrattura.it/ http://dx.medra.org/10.3221/IGF-ESIS.09.05&auth=true An. Equation (7) is based on the well-known linear interaction between normal stress amplitude and normal stress mean value (diagram of Goodman).
    keywords: carpinteri; criterion; fatigue; joints; life; plane; principal; shear; stress
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        item: #989 of 1022
          id: fis-51
      author: User
       title: Microsoft Word - numero 9 art 6 finale
        date: 2009-06-06
       words: 4036
      flesch: 57
     summary: si mostra il confronto per il tubo di lato 25mm. Nel caso del tubo di lato 25mm (Fig. 5a), l’adesivo non presenta cedimenti catastrofici e la prova è stata terminata quindi per il raggiungimento della corsa massima disponibile.
    keywords: aderendi; adesivo; agli; castagnetti; che; con; del; della; elastico; elementi; fig; finiti; incollate; lato; modello; simulazione; sono; sperimentale; struttura; tubo; una
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        item: #990 of 1022
          id: fis-52
      author: User
       title: Microsoft Word - numero 9 art 7 finale
        date: 2009-06-06
       words: 6215
      flesch: 48
     summary: Diversi studi sono attualmente in corso per generalizzare e standardizzare questi metodi alle diverse tipologie di giunto e di carico. Figura 7: Curve di resistenza a fatica in termini di ampiezza di deformazione locale di giunti saldati in titanio.
    keywords: acciaio; anche; carico; che; con; cordone; curve; dal; dattoma; deformazione; dei; del; della; essere; fatica; fatigue; frattura; geometria; giunti; locale; metodo; non; pappalettere; piede; resistenza; riferimento; saldati; sollecitazione; sono; spessore; strutturale; tensione; testa; una
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        item: #991 of 1022
          id: fis-53
      author: User
       title: Microsoft Word - numero 9 art 8 finale
        date: 2009-06-06
       words: 4268
      flesch: 55
     summary: Welded joints; Structural stress; Fatigue assessment; Finite element analysis. Different terms have been adopted for this stress depending on the field of application and on the way it is calculated (geometric stress, structural stress, hot-spot stress).
    keywords: element; fatigue; fig; figure; finite; joints; line; mesh; stress; toe; weld
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        item: #992 of 1022
          id: fis-54
      author: User
       title: Microsoft Word - numero 9 art 9 finale
        date: 2009-06-06
       words: 4044
      flesch: 63
     summary: Calcolando la tensione massima principale (peak) nel punto di singolarità è stato possibile esprimere i risultati originali in termini di range di tensione di picco anziché X Y Z d = 1 mm Nodo in cui calcolare la tensione massima principale (peak) Questa analisi consente di tarare due curve di resistenza a fatica in termini di tensione di picco, valide per giunti saldati d’angolo in acciaio e in lega leggera, rispettivamente, senza trattamenti post-saldatura.
    keywords: acciaio; che; con; cordone; del; della; dimensione; d’angolo; elementi; fatica; fig; giunti; meneghetti; picco; resistenza; saldati; sono; tensione
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        item: #993 of 1022
          id: fis-55
      author: User
       title: Microsoft Word - numero 9 art 10 finale
        date: 2009-06-06
       words: 4271
      flesch: 63
     summary: In ogni caso l’integrale di contorno e il tasso di rilascio di energia unitario ottenuto mediante la subroutine esterna continuano ad avere andamenti pressoché identici anche per propagazioni molto maggiori. (12) si può notare che, definito un rateo di avanzamento del difetto Nd dA , il rateo di aumento del danno per i punti di integrazione con danno pari 0, sta in un rapporto circa pari a 2 0         f rispetto al rateo di aumento di danno dei punti di integrazione con danno prossimo a 1.
    keywords: che; coesiva; come; con; cui; danno; del; della; difetto; elementi; essere; fatica; fig; frattura; modello; modo; propagazione; può; questo; quindi; risultati; una; valore; viene; zona
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        item: #994 of 1022
          id: fis-57
      author: User
       title: Microsoft Word - numero 9 art 11 finale
        date: 2009-06-06
       words: 3523
      flesch: 57
     summary: Microsoft Word - numero 9 art 11 finale Z.H. Qian et alii, Frattura ed Integrità Strutturale, 9 (2009) 105 - 112; DOI: 10.3221/IGF-ESIS.09.11 105 Fatigue failure of welded connections at orthotropic bridges Z.H. Qian, D. Abruzzese University of Rome “Tor Vergata”, Department of Civil Engineering, Rome (Italy) RIASSUNTO. Fatigue failure; Welded connection; Orthotropic deck; Numerical modeling; Rib-to-deck plate connection.
    keywords: bridges; connection; deck; diaphragm; fatigue; peening; plate; rib; stress; stresses
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        item: #995 of 1022
          id: fis-58
      author: User
       title: Microsoft Word - numero 9 art 12 finale
        date: 2009-06-06
       words: 6312
      flesch: 52
     summary: Hanno anche osservato che dalla misura della temperatura superficiale in prossimità ad intagli e in zone di stabilità di tensione (a distanza dagli intagli) Viene definita la “Temperatura limite” T0 mediante prova statica e la corrispondente tensione σ0 che costituisce il valore limite di sollecitazione al di sopra del quale si manifestano fenomeni di microplasticizzazione che per carichi variabili nel tempo conducono alla rottura per fatica.
    keywords: alla; carico; che; componente; con; cui; del; della; fase; fatica; fatigue; fig; limite; materiale; media; nel; non; più; prima; prova; provino; punto; può; risitano; rottura; sulla; superficie; tale; temperatura; tensione; trazione; una; valore; variazione; zona
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        item: #996 of 1022
          id: fis-59
      author: User
       title: Microsoft Word - numero 9 art 13 finale
        date: 2009-06-06
       words: 4617
      flesch: 61
     summary: A titolo di esempio, il diagramma di Fig. La stima della vita a fatica in accordo con il metodo delle CWM è illustrata nel diagramma di Wöhler modificato di Fig.
    keywords: ampiezza; che; con; curve; cwm; della; fatica; fatigue; fig; metodo; piano; sollecitazioni; sperimentali; susmel; tensioni; variabile; varianza;  
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        item: #997 of 1022
          id: fis-60
      author: User
       title: Microsoft Word - numero 9 art 14 finale
        date: 2009-06-06
       words: 4440
      flesch: 55
     summary: La sola analisi della tensione efficace riportata come grafico tridimensionale al di sopra del dominio di integrazione, fornisce contemporaneamente la posizione di probabile innesco del difetto per fatica ed il valore del picco della tensione efficace. Per giunzioni saldate sollecitate prevalentemente a modo I, il valore del massimo della tensione equivalente non locale, ottenuto dall’analisi numerica, può essere usato come dato di ingresso nella curva di riferimento del comportamento a fatica delle saldature.
    keywords: calcolo; che; come; con; cordone; della; efficace; equivalente; fatica; fig; giunzioni; gradiente; int; locale; nel; non; principale; problema; punto; soluzione; sono; tensione; tovo; una; valore
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        item: #998 of 1022
          id: fis-61
      author: User
       title: Microsoft Word - numero 9 art 15 finale
        date: 2009-06-06
       words: 3247
      flesch: 51
     summary: Il materiale composito è un laminato di 9.9 mm di spessore, composto da alternanze di lamine unidirezionali e di tessuto di fibre di carbonio a basso modulo immerse in matrice polimerica, la cui legge di laminazione è riporta in Tab. 1. Lo spessore di 0.2 mm dello strato di adesivo è stato assicurato mediante inserimento di fili di rame di diametro calibrato disposti longitudinalmente rispetto all’asse dei provini, con eccezione dei provini LS 25,4 mm.
    keywords: adesivo; cicli; come; con; degli; dei; della; fatica; fig; frattura; giunti; massimo; propagazione; sforzo; sono; sovrapposizione; strato; una
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        item: #999 of 1022
          id: fis-65
      author: None
       title: 404 Not Found
        date: None
       words: 14
      flesch: 89
     summary: 404 Not Found Not Found The requested URL was not found on this server.
    keywords: server
       cache: fis-65.htm
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        item: #1000 of 1022
          id: fis-67
      author: Pc
       title: Microsoft Word - numero 10 art 2
        date: 2009-10-02
       words: 5252
      flesch: 52
     summary: Larger holes do require filling, but here we predict that the material needed can have an Eo value which is considerably smaller than that of normal bone: this finding is original and potentially of great value to researchers and manufacturers who are developing new types of bone graft materials. Artificial bone graft materials are designed to provide a scaffold for the rapid ingrowth of bone, and recently there has been much interest in the use of tissue engineering techniques for the development of these materials.
    keywords: bone; crack; failure; fatigue; fracture; materials; stress; tcd; value
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        item: #1001 of 1022
          id: fis-68
      author: Pc
       title: Microsoft Word - numero 10 art 3
        date: 2009-10-02
       words: 3199
      flesch: 59
     summary: Adhesive joints, Fracture, Cohesive zone modeling. Although straightforward methods to evaluate experimentally CZM parameters in adhesive joints have been recently presented [8], questions on the physical meaning or, in other words, on the transferability of the parameters to joint geometries different from the one from they were extracted is still an open issue.
    keywords: acz; adhesive; dcb; joint; model; parameters; peel
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        item: #1002 of 1022
          id: fis-69
      author: Pc
       title: Microsoft Word - numero 10 art 4
        date: 2009-10-02
       words: 3657
      flesch: 57
     summary: Active confinement is due to external stresses 3 applied by multi-axial compression tests on cubes in two or three directions, or by triaxial tests on cylinders (see the book by van Mier Post-peak comparison in terms of F(w) A more accurate comparison between the post-peak responses of Sismabeton, NC and SC under compression can be conducted in terms of F(w) (Fig.7).
    keywords: compression; concrete; confinement; peak; post; sismabeton; specimens; stress
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        item: #1003 of 1022
          id: fis-7
      author: Francesco
       title: Microsoft Word - numero 3 art 1
        date: 2007-12-29
       words: 6260
      flesch: 70
     summary: + 4σ ss terms from quation for II crack tip [4] M.R. Ayatollahi, M.R.M. Aliha, “Wide range data for crack tip parameters in two disc-type specimens un- der mixed mode loading”, Computational Materials Science, 38 (2007) 660-670.
    keywords: cos; crack; fig; fringe; kii; mode; results; sin; stress; tip; ⎜ ⎟; ⎟ ⎜
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        item: #1004 of 1022
          id: fis-70
      author: Pc
       title: Microsoft Word - numero 10 art 5
        date: 2009-10-02
       words: 2102
      flesch: 58
     summary: I http://dx.medra.org/10.3221/IGF-ESIS.10.05&auth=true http://www.gruppofrattura.it mailto: sina_a_n@yahoo.com A. Namdar et alii, Frattura ed Integrità Strutturale, 10 (2009) 38-42; DOI: 10.3221/IGF-ESIS.10.05 39 METHODOLOGY AND EXPERIMENTS y adopting of Terzaghi method and altering characteristics of soil such density, cohesion, angle of friction of soils and dimension of foundation safe bearing capacity of soil foundation has been evaluated. Nearly 340 foundations by adopting Terzaghi method have been calculated and the results presented in form of tables and graphs, the result helps better understanding of improving of soil foundation bearing capacity.
    keywords: bearing; capacity; foundation; soil
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        item: #1005 of 1022
          id: fis-71
      author: Iacoviello
       title: Microsoft Word - numero 10 art 6
        date: 2009-10-03
       words: 6755
      flesch: 63
     summary: In this diagram, we introduce the range of stress at static failure, max min min (1 )u u uR      [22], the following functional dependence can be put forward for the analysis of the phenomenon of fatigue crack growth:  IC th d , , ; , , , , , ;1 , d u a F K K K h
    keywords: concrete; crack; dimensionless; fatigue; law; paris; self; similarity; size
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        item: #1006 of 1022
          id: fis-72
      author: Iacoviello
       title: Microsoft Word - numero 10 art 7
        date: 2009-10-03
       words: 3564
      flesch: 42
     summary: In fact, left porosity and micro defects generated by the production processes, generally neglected by material parameter prediction approaches based on classical homogenization rules, have strong influence on the properties of these quasi-brittle composites. [MPa] Al/TiB2 57.9 (±3.7) 240.4 (±36.5) 10.7 (±4.3) 1032 (±91) Table 1: Identified material properties after different initializations of the discrepancy minimisation algorithm for an Al/TiB2 sample with 50% TiB2 weight content.
    keywords: bolzon; ceramic; composites; fracture; indentation; material; metal; parameter; properties
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        item: #1007 of 1022
          id: fis-73
      author: Pc
       title: Microsoft Word - numero 10 art 1
        date: 2009-10-02
       words: 4808
      flesch: 59
     summary: Without entering the details, recent developments in fragmentaron theories (Carpinteri & Pugno [38,39]) have shown that the energy dissipation E during microcrack propagation occurs in a fractal domain comprised between a surface and the T http://dx.medra.org/10.3221/IGF-ESIS.10.01&auth=true http://www.gruppofrattura.it A. Carpinteri et alii, Frattura ed Integrità Strutturale, 10 (2009) 3-11; DOI: 10.3221/IGF-ESIS.10.01 8 specimen volume V. Experiments carried out by Carpinteri et al.
    keywords: carpinteri; complexity; concrete; crack; energy; fig; fractal; fracture; material; mech; model; period; pugno
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        item: #1008 of 1022
          id: fis-74
      author: User
       title: Microsoft Word - numero 11 art 1
        date: 2009-12-25
       words: 4594
      flesch: 55
     summary: REFERENCES [1] H. Neuber, Theory of notch stresses: principles for exact calculation of strength with reference to structural form and material, 2 ed., Springer Verlag, Berlin, (1958) 292. This paper is concerned with the fracture of composite materials containing stress concentration features such as notches and holes.
    keywords: distance; fracture; materials; notch; point; size; stress; value
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        item: #1009 of 1022
          id: fis-75
      author: User
       title: Microsoft Word - numero 11 art 2
        date: 2009-12-25
       words: 5270
      flesch: 51
     summary: Le due piastre della flangia sono semplicemente appoggiate, tuttavia la zona in cui il contatto rimane chiuso è equivalente, in termini di stato di tensione, ad un'unica porzione di materiale senza soluzione di continuità, in quanto non si hanno slittamenti significativi. Riportando su un grafico la portata di perdita in funzione della pressione interna, è intuitivo definire come la pressione (sperimentale) di perdita il valore di intercetta di un andamento lineare approssimante delle singole misurazioni di portata di perdita, Fig.11.
    keywords: alla; beghini; bullone; che; come; condizione; contatto; dei; della; distribuzione; fessura; flangia; frattura; interna; journal; modello; nominale; non; perdita; preserraggio; pressione; pressure; superfici; tensione; una
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        item: #1010 of 1022
          id: fis-76
      author: User
       title: Microsoft Word - numero 11 art 3
        date: 2009-12-25
       words: 5131
      flesch: 52
     summary: Il sistema realizzato permette inoltre di stimare la deviazione subita dal proiettile a causa dell’impatto contro il bersaglio, e di valutare la distanza reale percorsa dal proiettile fra le due lastre: ciò può essere compiuto confrontando le posizioni dei fori al termine di ogni test con le posizioni dei fori ottenuti da uno sparo “a vuoto”, cioè senza bersaglio montato. Le tensioni rilevate dopo l’impatto ad una distanza massima di 20 mm dagli apici del foro, mostrano in generale andamenti differenti considerando le due zone adiacenti al foro di ingresso e di uscita del proiettile, risultando prevalentemente di trazione nella prima e di compressione nella seconda.
    keywords: alii; alla; balistico; che; con; danneggiamento; degli; dei; del; della; doi; figura; foro; frattura; giudici; http://dx.medra.org/10.3221/igf-esis.11.03&auth=true; impact; impatto; integrità; proiettile; prove; sono; strutturale; una; velocità
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        item: #1011 of 1022
          id: fis-80
      author: User
       title: Microsoft Word - numero 12 art 2
        date: 2010-03-20
       words: 4011
      flesch: 54
     summary: The free energy and the pseudo-potential of dissipation of the interface  are: (7) (8) where w is surface Dupré energy, k is a parameter measuring the nonlocal effect, I is the indicator function of the set  , 0 ,  indicates the scalar product, N is the outward versor normal to the domain 1 in correspondence of the interface  , k̂ is the interface stiffness, ,k  is the surface-domain interaction parameter and c is the viscosity parameter of interface damage. Thus, a coupling between the interface and body damage variables, D and D , respectively, arises.
    keywords: body; body damage; damage; interface; interface damage; model; s s
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        item: #1012 of 1022
          id: fis-81
      author: User
       title: Microsoft Word - numero 12 art 3
        date: 2010-03-20
       words: 7849
      flesch: 48
     summary: Assieme ad alcuni cenni al concetto di “scala di indagine” e alle teorie classiche e di base della Meso- e Micromeccanica, si sono illustrati i risultati di un certo numero di casi di studio concreti. 12 sono mostrati due modelli di questo tipo della stessa ghisa nodulare del modello Embedded, che differiscono tra loro per la tipologia di vincolo e di carico (spostamenti u1 e u2 applicati uniformemente sui lati L).
    keywords: alla; che; collini; come; comportamento; con; deformazione; dei; della; esempio; essere; eterogenea; fase; fasi; fig; figura; frattura; ghisa; http://dx.medra.org/10.3221/igf-esis.12.03&auth=true; http://www.gruppofrattura.it; igf; integrità; materiale; matrice; microstruttura; modellazione; modelli; nel; nodulare; non; più; questo; risposta; sono; strutturale; studio; una; volume;  
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        item: #1013 of 1022
          id: fis-83
      author: User
       title: Microsoft Word - numero 12 art 5
        date: 2010-03-20
       words: 3522
      flesch: 50
     summary: Figura 6: Sforzo normale agente nella sezione del tubo in funzione della semiampiezza del difetto; le due curve si riferiscono alle due condizioni utilizzate per definire il ciclo di carico. MODALITÀ DI CEDIMENTO ’analisi dei risultati ottenuti al paragrafo precedente ha messo in evidenza come in presenza di un difetto di semiestensione pari a circa 85°, quale quello osservato sulla sezione di rottura, con il ciclo di sollecitazione assunto non si raggiunga il valore critico KIC, che per il materiale in questione è circa 70 MPa m0.5 (si veda [2, 6]); infatti, L http://dx.medra.org/10.3221/IGF-ESIS.12.05&auth=true http://www.gruppofrattura.it F. Frendo, Frattura ed Integrità Strutturale, 12 (2010) 48-56; DOI: 10.3221/IGF-ESIS.12.05 54 affinché il K cresca rapidamente e raggiunga valori comparabili con la tenacità a frattura bisogna che la fessura superi l’ampiezza complessiva di 220°, cosa che non trova conferma nell’osservazione diretta della sezione di rottura.
    keywords: alla; braccio; che; circa; collasso; come; con; del; della; difetto; fase; fessura; figura; frattura; sezione; sono; strutturale; una
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        item: #1014 of 1022
          id: fis-84
      author: User
       title: Microsoft Word - numero 12 art 6
        date: 2010-03-20
       words: 1998
      flesch: 52
     summary: This geographical position increases tsunami wave if it occur between the Geshm Island of 120 km length and BandarAbbas coastal, this is a factor make complicate tsunami wave behavior. METHODOLOGY AND MODELING here is two methods in understanding wave force applied to the structure or to any natural barrier, the first one is application of way theory and second is using fundamental fluid dynamics equations.
    keywords: mangrove; stress; tsunami; water; wave
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        item: #1015 of 1022
          id: fis-85
      author: User
       title: Microsoft Word - numero 12 art 7
        date: 2010-03-21
       words: 6393
      flesch: 61
     summary: Figure 12: Elastic energy for increasing values of U. Curve: exact elastic energy. Griffith’s model is restricted to the study of crack propagation along a given path.
    keywords: angelillo; crack; energy; fig; figure; fracture; kinking; mesh; propagation
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        item: #1016 of 1022
          id: fis-86
      author: User
       title: Microsoft Word - numero 12 art 8
        date: 2010-03-21
       words: 3487
      flesch: 56
     summary: Tale modifica, tuttavia, comporta una notevole complicazione dal punto di vista del calcolo del picco di tensione da porre a confronto con la curva di riferimento. Con il metodo del raggio fittizio, utilizzando due elementi nello spessore, l’errore è del 76%, mentre, con il gradiente implicito usando uno o due elementi nello spessore l’errore è del 5% e scende al di sotto del 2% con 4 elementi
    keywords: con; del; della; fatica; fig; giunti; gradiente; implicito; metodo; raccordo; raggio; resistenza; spessore; tensione
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        item: #1017 of 1022
          id: fis-87
      author: User
       title: Microsoft Word - numero 12 art 9
        date: 2010-03-21
       words: 5598
      flesch: 57
     summary: E’ stato visto sperimentalmente e dimostrato attraverso modelli teorici che in prove di fatica su acciai con sollecitazione al di sopra del limite di fatica, la temperatura superficiale del provino dopo un prima incremento iniziale (fatica a basso numero di cicli) si mantiene pressoché costante (fatica ad alto numero di cicli) fino a pochi cicli (circa 500) prima della completa rottura (fatica ad altissimo numero di cicli) del provino (Fig. 1). [9], ha permesso di proporre metodi brevi per la determinazione del limite di fatica.
    keywords: alla; carichi; carico; che; cicli; con; cui; curva; danno; del; della; di fatica; fatica; fatigue; fig; figura; limite; limite di; materiale; miner; provini; risitano; rottura; serie; sono; temperatura; tensione
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        item: #1018 of 1022
          id: fis-90
      author: User
       title: Microsoft Word - numero 13 articolo 3
        date: 2010-06-25
       words: 2218
      flesch: 55
     summary: It can be noticed that investigated steels show a non-homogeneity indicated by the different behaviour under tensile and O http://www.gruppofrattura.it http://dx.medra.org/10.3221/IGF-ESIS.13.03&auth=true A. Finelli et alii, Frattura ed Integrità Strutturale, 13 (2010) 24-30; DOI: 10.3221/IGF-ESIS.13.03 30 compression or by specimens coming from the same sampling direction, beyond an anisotropy indicated by the difference between the values obtained from the longitudinal and transversal specimens. [%] Compression [%] L T L T R A1L 100 80 75 125 115 4L 150 130 120 180 160 Table 7: Investigated steels yield strength vs specimen orientation and loading direction (deviation from annealed steels) CONCLUSIONS onsidering the experimental results and the microstructure analysis, the following conclusions could be summarized: ‐ Cold rolling process implies an increase in the yield strength and ultimate tensile strength values, higher for the yield strength, over 150% on the super-austenitic stainless steel, on the materials under test, whilst elongation values decrease significantly, over the 60%, ‐ The anisotropy caused on the materials by the rolling process, as seen on the microstructures, is such as to determine differences by about 20% on the increase of the tensile yield strength, higher in the rolling direction.
    keywords: figure; microstructure; section; specimens; steel
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        item: #1019 of 1022
          id: fis-91
      author: User
       title: Microsoft Word - numero 13 articolo 4
        date: 2010-06-25
       words: 2321
      flesch: 49
     summary: (a) (b) (c) Figure 2: Contour plots for maximum crack length (critical length), solved by MathCAD, (a) Von Misses stress distribution subject to critical loading, (b)Von Misses stress distribution subject to critical loading and thermal conditions, (c) Approximation of crack propagation subject to critical loading. The effects of crack length, temperature and mechanical forces are investigated by Finite Element Method in the cracked body.
    keywords: crack; fiber; fracture; loading; method; model; stress
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        item: #1020 of 1022
          id: fis-93
      author: Pc
       title: Microsoft Word - numero 14 notiziario
        date: 2010-09-16
       words: 14111
      flesch: 67
     summary: di i DITORIALE D rissimi, n è la prima itoriale come sere breve e c ssumere (brev i prossimi dod bbiamo contin uesto risultato azie all’inserim Gli atti dei 2009), Nint dobbiamo rigorosamen Spagnoli, Sa Tutti i num grazie sia a l’entusiasmo arricchito d obre 2010 UMERO del Presidente l’Assemblea A Consigli di P delle attività ttività IGF; delle attività T edures and Do iscrizione IGF DEL PRESID volta che vi Presidente IG conciso e scr vemente, vi a dici mesi, lasc nuato a poten o è stato raggi mento di una convegni inte th Internationa ringraziare g nte alfabetico abrina Vantad meri da gennai al Presidente o con cui ha da tutti i nume e IGF; Annuale dei S residenza; IGF 2009-10 TC-ESIS 200 ocuments (ww F-ESIS. le ore 11.00 i à di Bologna, al of Fatigue di un Worksh adesione è il 7 bblicazione d e con una pag a/Irlanda nel a prima sessio ta con un sol memorie inv di Milano.
    keywords: 200; 2008; 2010; adobe; alla; alle; all’o.d.g; assemblea; attività; attura; che; com; commit; committee; con; convegno; dal; degli; dei; del; della; esis; fatigue; finelli; fracture; igf; il p; integrità; ione; iso; issue; ità; les; luglio; l’a; mail; mechanics; meeting; nel; new; non; nto; numero; ore; presidente; prof; professor; pun; pun il; rivista; robin; round; sito; soci; sono; standards; strutturale; tc2; test; testing; trieste; ttee; una; varie; voti; web; work; year
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        item: #1021 of 1022
          id: fis-95
      author: Pc
       title: Microsoft Word - numero 14 articolo 2
        date: 2010-09-16
       words: 6559
      flesch: 71
     summary: ' b f N  t predition Mo ic models w e effect of m rabolic repres oduced a theo the graphic provement of ngth coefficie ercome the fa esses, Smith, for the load , however usi According to thematical rel in the substit e limit of fati o this model, m rtS ar S e         orm of power m rtS ar S e           ed Integrità Stru nse to correla expressed as in and also fatig mplitude load mean stress, mplitude stre ress, a factor en Sa, Sm e R etermine the the form of E odels ere proposed mean stress in sentation of oretical line t Sa versus Sm. r turbine co re found at th e fatigue pro material und ctivate in the the material.
    keywords: e+04; fatigue; mean; model; stress
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        item: #1022 of 1022
          id: fis-97
      author: User
       title: Microsoft Word - numero 14 articolo 4
        date: 2010-09-16
       words: 6207
      flesch: 73
     summary: T T Notch radius men # S (M 1 190 2 186 3 182 4 186 5 182 6 186 7 182 8 186 9 182 0 178 MPa) 1 NS of this work w e method wa reduction da easily determ e. Wadman, Ex le for the prin 10) 36-44; DOI: or Stress & St ; part 5: guide E S 002, Japa Fatigue, Tou ty Press, Cam 3 (1948) 109. nternational C 3 (2001) 75. ents, John Wi key, Fatigue design – anal .
    keywords: deviation; fatigue; limit; method; mpa; notch; radius; results; silva; stress
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