item: #1 of 77 id: jmest-11866 author: Muhajir, Muhamad; Puspitasari, Poppy; Abdul Razak, Jeefferie title: Synthesis and Applications of Hematite α-Fe2O3 : a Review date: 2020-04-27 words: 3813 flesch: 47 summary: Therefore, there needs a study of hematite’s effective cost and corrosion as electrode material in photoelectrochemical cells, catalysts, and sensing elements in gas sensors and humidity sensors [5]. In general, there are two types of humidity sensors: relative humidity sensors (RH) and absolute humidity sensors. keywords: applications; doi; fe2o3; hematite; humidity; nanostructures; properties; sensors; synthesis; vol cache: jmest-11866.pdf plain text: jmest-11866.txt item: #2 of 77 id: jmest-11867 author: Achyarsyah, Mochamad; Puspitasari, Poppy title: Critical Solid Fraction Point Analysis: Case Study on Cement Mill Machine Diaphragm date: 2020-04-27 words: 1842 flesch: 57 summary: Figure 5 displays the improved casting design with different critical solid fraction points between the sections. [11] P. Beeley, “Casting design,” in Foundry Technology, Oxford: Butterworth-Heinemann 2007. keywords: casting; fraction; point; sections; time cache: jmest-11867.pdf plain text: jmest-11867.txt item: #3 of 77 id: jmest-11977 author: Prasetiyo, Dani Hari Tunggal; Ilminnafik, Nasrul; Junus, Sallahudin title: The Flame Characteristics of Diesel Fuel Blend with Kepuh (Sterculia Foetida) Biodiesel date: 2020-04-27 words: 3863 flesch: 61 summary: In Figure 3, the angles for each of the B0, B10, B20 and B30 fuel flames in the stainless steel bunsen burner are 17.31˚, 15.54˚, 14.51˚ and 13.37˚, respectively. The biodiesel fuel test results have met the standard parameters of calorific value, viscosity and density so that biodiesel fuel can be used as a mixture for diesel fuel produced by PT Pertamina Indonesia, which is used now. keywords: biodiesel; bunsen; burner; flame; fuel; kepuh; laminar cache: jmest-11977.pdf plain text: jmest-11977.txt item: #4 of 77 id: jmest-1204 author: Fikri, Ahmad Atif; Romlie, Maftuchin; Aminnudin, Aminnudin title: Factors Affecting the Surface Roughness in Sinking EDM Process date: 2017-08-06 words: 2662 flesch: 53 summary: Conventional machines rely on the hardness of tools and workpieces, whereas EDM machines depend on λ (thermal conductivity) θ (melting point) and ρ (electrical resistivity) Therefore, the parameters of sinking EDM process should be well established to produce the expected results, i.e. the smoothest surface quality and the maximum removal rate. keywords: current; edm; machining; process; roughness; surface cache: jmest-1204.pdf plain text: jmest-1204.txt item: #5 of 77 id: jmest-1208 author: Andoko, Andoko; Nurmalasari, Riana; Mizar, M. Alfian; Wulandari, Retno; Puspitasari, Poppy; Permanasari, Avita Ayu title: The Strength of Moulding Sand Consisting of a Mixture of Bentonite, Tapioca Flour, and Sago Flour as a New Binder Formula to Improve the Quality of Al-Si Cast Alloy date: 2017-08-06 words: 4187 flesch: 68 summary: In the foundry industry, the most commonly used binder for creating sand moulds is bentonite. The new formula was expected to be a better binder in the production of sand moulds, resulting in high-quality casting products with minimal defects. keywords: bentonite; binder; casting; cm2; flour; malang; mixture; moulding; sand; shear; strength; wet cache: jmest-1208.pdf plain text: jmest-1208.txt item: #6 of 77 id: jmest-1209 author: Sukarni, Sukarni; Partono, Partono; Krisdianto, Deni; Wulandari, Retno title: Effect of Magnetic Field on Diesel Engine Power Fuelled with Jatropha-Diesel Oil date: 2017-08-06 words: 2769 flesch: 58 summary: Even so, the use of jatropha oil as diesel engine fuel is encountered several drawbacks. Magnetic field strength generated was measured using teslameter. keywords: diesel; engine; field; fuel; oil; power; strength cache: jmest-1209.pdf plain text: jmest-1209.txt item: #7 of 77 id: jmest-12336 author: Rizali, Dede; Suryanto, Heru; Sukarni, Sukarni title: The Effect of Chlorophyll Concentration from Papaya Leaves on the Performance of Dye Sensitized Solar Cell date: 2020-04-27 words: 3987 flesch: 64 summary: Comparison of DSSC efficiency (ɳ) between direct light DSSC and indirect light Observed from the intensity comparison, the sample with 100% concentration had FF from direct light with the value of 0.9557 divided by 70,000 lux resulted in 1.04 x 10-6 value. Therefore, in this study, the efficiency generated by direct light DSSC was only 30% times that of indirect light DSSC. keywords: chlorophyll; concentration; dssc; dye; efficiency; energy; leaves; light; papaya; performance cache: jmest-12336.pdf plain text: jmest-12336.txt item: #8 of 77 id: jmest-12766 author: Jatisukamto, Gaguk; Qoryah, Rika Dwi Hidayatul; Mulyadi, Santoso title: Failure Analysis on Titen Proto-XX Car Chasis date: 2020-04-27 words: 2586 flesch: 60 summary: Titen Proto car chassis material specifications. Chassis loads include roll bar weights, passenger weights and battery weights. keywords: aluminium; analysis; car; chassis; failure; proto; rivet cache: jmest-12766.pdf plain text: jmest-12766.txt item: #9 of 77 id: jmest-12790 author: Setiawan, Reza; Hrdlička, František; Darmanto, Prihadi Setyo; Fahriani, Vera Pangni; Pertiwi, Suciani Rahma title: Thermal Design Optimization of Shell-and-Tube Heat Exchanger Liquid to Liquid to Minimize Cost using Combination Bell-Delaware Method and Genetic Algorithm date: 2020-07-30 words: 5040 flesch: 62 summary: If the value of overall heat transfer after calculation is less than 30% of the ratio between overall calculated and assumption values of heat transfer while pressure drop does not exceed reasonable limits prescribed, then the design is accepted to be used [8]. If the value of overall heat transfer after calculation is less than 30% of the ratio between overall calculated and assumption values of heat transfer while pressure drop does not exceed reasonable limits prescribed, then the design is accepted to be used [8]. keywords: algorithm; case; cost; data; design; heat; optimization; shell; transfer; tube cache: jmest-12790.pdf plain text: jmest-12790.txt item: #10 of 77 id: jmest-13185 author: Kaiser, Samiul; Kaiser, Mohammad Salim title: Physical Behaviour of Thermally Affected Bronze and Brass date: 2020-07-30 words: 4615 flesch: 59 summary: At midway stage of heating, bronze metal shows a modest decrease of the hardness due to dissolve of GP zones before formation of metastable phase into the bronze metal [17, 18]. Al added bronze metal shows better response than brass at higher heating temperature due to higher hardness keywords: brass; bronze; copper; engineering; fig; heating; journal; kaiser; temperature; vol cache: jmest-13185.pdf plain text: jmest-13185.txt item: #11 of 77 id: jmest-14654 author: Edy, Duwi Leksono; Sujono, Imam title: Hardness Evaluation on SS 316L Joined with Gas Tungsten Arc Welding Under Constant Heat Treatment date: 2020-07-30 words: 2479 flesch: 58 summary: Semarang 5, Malang, East Java, Indonesia 65145 *Corresponding author: duwi.leksono.ft@um.ac.id ABSTRACT The purpose of this study is to show the hardness of the GTAW welding results on SS 316L metal with surface heating during the welding process. GTAW welding results with a constant temperature of 100 ℃ The macrostructure shows the results of welding with surface heating has a hardness level with an average value of 115.6 VHN, as shown in Table 2. keywords: hardness; heating; process; results; temperature; welding cache: jmest-14654.pdf plain text: jmest-14654.txt item: #12 of 77 id: jmest-14845 author: Rahmah, Siti Nur; Jatisukamto, Gaguk; Sutjahjono, Hary title: The Influence of the Reference Area of Aileron on the N2XX Aircraft Using Computational Fluid Dynamics date: 2020-07-30 words: 3404 flesch: 59 summary: The purpose of this study was to determine the effect of aileron area and aileron deflection using the two-dimensional Computational Fluid Dynamics (CFD) simulation method so that it can determine the aerodynamic characteristics of the aileron. II. (a) Basic aileron; (b) Modified aileron. keywords: aileron; aircraft; area; coefficient; hinge; moment; value cache: jmest-14845.pdf plain text: jmest-14845.txt item: #13 of 77 id: jmest-15073 author: Navis, Akbar; Suryanto, Heru; Murdanto, Putut title: Analysis of the Effect of Guide Vane Opening Variations and Total Blades on Cross Flow Turbine Performance Using Computational Fluid Dynamic date: 2020-11-27 words: 3570 flesch: 65 summary: The effect of guide vane opening on cross-flow turbine efficiency At 16° to 20° guide vane opening, the efficiency sharply increases with the value of 67.25% at 16° opening and increases for 7.50% at 20° opening. Keywords: CFD, cross-flow turbine, guide vane opening, performance, total blades I. Introduction Currently, the overuse of fossil energy decreases the energy availability level. keywords: blades; flow; guide; opening; turbine; vane cache: jmest-15073.pdf plain text: jmest-15073.txt item: #14 of 77 id: jmest-15214 author: Jatimurti, Wikan; Gayatri, Monica; Ramadhani, Mavindra title: The Effect of Solution Treatment Temperature and Quenching Media Variation in Heat Treatment Process Cu-Zn-Al Shape Memory Alloys on Shape Memory Effect and Microstructures date: 2020-07-30 words: 3530 flesch: 64 summary: The optical microscopy reveals Sample Cu-21Zn- 5Al alloy quenched by dry ice have the same microstructure as Sample Cu-21Zn-5Al alloy quenched by brine solution which is consist of the same 4 phases (α, β, γ, and martensite). The XRD pattern of Cu-21 Zn-5 Al alloys quenched by dry ice and solution treatment is shown in Figure 3 and Figure 4. keywords: alloys; phase; sample; shape; solution; treatment cache: jmest-15214.pdf plain text: jmest-15214.txt item: #15 of 77 id: jmest-15397 author: Aminnudin, Aminnudin; Solichin, Solichin title: The Effect of Heat Treatment to the Erosion Rate of Brass Composite date: 2020-07-30 words: 2247 flesch: 66 summary: The ductility of brass composites with 5% fly ash content and heat-treated at 350 C is higher compared to other brass fly ash composites [6]. IV. Brass composites used are composites with fly ash 5, 10, 15, and 20%. keywords: brass; composites; erosion; heat; rate; treatment cache: jmest-15397.pdf plain text: jmest-15397.txt item: #16 of 77 id: jmest-15401 author: Permanasari, Avita Ayu; Puspitasari, Poppy; Sukarni, Sukarni; Wulandari, Retno title: Performance Enhancement of Shell and Tube Heat Exchanger on Parallel Flow with Single Segmental Baffle date: 2020-07-30 words: 4089 flesch: 63 summary: To date, the process of heat transfer in the industrial field was crucial in machine work. 𝑈 = 1 1 ℎ𝑖𝐴𝑖 + ln ( 𝐷𝑜 𝐷𝑖 ⁄ ) 2𝜋𝑘𝐿 + 1 ℎ𝑜𝐴𝑜 (2) Where A0 is the total surface area of the outer tube in heat transfer, and Ai is the surface area of the inner tube. keywords: baffle; exchanger; flow; heat; laminar; shell; transfer; tube; water cache: jmest-15401.pdf plain text: jmest-15401.txt item: #17 of 77 id: jmest-16299 author: Saragi, Jandri Fan HT; Damanik, Wawan Septiawan title: Energy and Exergy Efficiency of Double Slope Passive Solar Still date: 2020-11-27 words: 3911 flesch: 64 summary: Energy and exergy obtained from solar energy are not all used to evaporate water in the desalination system, so it is necessary to calculate efficiency energy and exergy in the system. The amount of efficiency energy and exergy in solar desalination devices has been studied before, including research conducted by Chandrashekara and Yadav which obtained an internal energy efficiency of 57.1% [8], a study conducted by Tiwari and Sahota, showed that energy efficiency and exergy efficiency varied between 5.4-54.8% and 0.4-10.7% keywords: basin; day; double; efficiency; energy; slope; solar; vol; water cache: jmest-16299.pdf plain text: jmest-16299.txt item: #18 of 77 id: jmest-16337 author: Setiawan, Widia; Santoso, Nugroho; Surojo, Surojo title: New Design of Aluminum 6061 Welding Joining Using Friction Stir Welding Method date: 2020-11-27 words: 2938 flesch: 67 summary: New design double U joint of the aluminum 6061 for FSW Double U joint design fits well for FSW processing. keywords: aluminum; design; friction; fsw; joint; stir; welding cache: jmest-16337.pdf plain text: jmest-16337.txt item: #19 of 77 id: jmest-16371 author: Hendronursito, Yusup; Rajagukguk, Tumpal Ojahan; Anshori, Anang; Yunanto, Asep title: Optimization of Stir Casting of Aluminum Matrix Composites (AMCs) with Filler of Recycled Glass Powder (RGP) for The Mechanical Properties date: 2020-11-27 words: 5805 flesch: 61 summary: The optimum experimental parameters for tensile strength can be obtained from specimens with particle size parameters of 20> x> 80, the percentage of glass powder to the weight of aluminum 12%, and the stirring time of 30 seconds. The optimum conditions for the hardness of Al-GRp composites were obtained from specimens with particle size parameters 200> z> 325, the percentage of glass vs aluminum powder was 12% w / t, stirring time was 12 minutes. keywords: aluminum; glass; hardness; parameter; powder; size; strength; tensile; value cache: jmest-16371.pdf plain text: jmest-16371.txt item: #20 of 77 id: jmest-16431 author: Sholiha, Zhahra Hanif; Jatisukamto, Gaguk title: Characteristics Biolubricant Enriched with Nanoparticle Additives: a Review date: 2020-11-27 words: 3587 flesch: 51 summary: Summary of test methods [31-35] Lubricant Test Methods Variation of lubricants: (1) Lubricant SAE 40; (2) Jatropha oil (mixture)1%, 2%, 3%, 4%, 5% Four ball tribotester Variation of lubricants: (1) Lubricant oil; (2) Parafin oil; (3) Biolubricant + TiO2 Four ball tribotester Variation of lubricants: (1) Commercial oil stamping; (2) Comercial oil hydraulic; (3) Jatropha oil; (4) RBD palm oil; (5) Palm fatty acid Four ball tribotester Variation of lubricants: (1) Mineral oil; (2) Synthetic oil; (3) Biolubricant Comparison of data and results of previous research Variation of lubricants: MJO5 (JME:TMP = 3.5:1) Fourball tester based on ASTM D4172 Variation of lubricants: (1) Soybean oil; (2) Sunflower oil; (3) Jatropha oil; (4) Palm oil; (5) Jojoba oil Comparison of data and result of previous research Variation of lubricants: 1. keywords: additives; biolubricant; characteristics; friction; lubricants; oil; sae; viscosity; vol; wear cache: jmest-16431.pdf plain text: jmest-16431.txt item: #21 of 77 id: jmest-16602 author: Lastriyanto, Anang; Wibowo, Sasongko Aji; Erwan, Erwan; Jaya, Firman; Batoro, Jati; Masyithoh, Dewi; Lamerkabel, JSA title: Moisture Reduction of Honey in Dehumidification and Evaporation Processes date: 2020-11-27 words: 5314 flesch: 56 summary: In which thus temperature had no significant effect on honey moisture content that are packed in glass jars, plastic jars, and poly pack bags. The study is focused in comparing the reducing value of honey moisture content using two different methods, dehumidifier process and evaporation process. keywords: content; dehumidifier; evaporation; honey; moisture; moisture content; process; reduction; value; water; water content cache: jmest-16602.pdf plain text: jmest-16602.txt item: #22 of 77 id: jmest-16717 author: Negara, Dewa Ngakan Ketut Putra; Nindia, Tjokorda Gde Tirta; Septadi, Wayan Nata title: Surface Properties and Adsorption Capacities of Rice Bran-Activated Carbon date: 2020-11-27 words: 3616 flesch: 52 summary: The existence of pores in the surface of activated carbons is shown in the SEM image of the surface morphology of activated carbon in Figure. ABSTRACT The growing need for activated carbon requires alternative raw materials to replace non-renewable raw materials whose existence is decreasing. keywords: adsorption; area; blue; bran; carbon; methylene; pore; rice; surface; vol cache: jmest-16717.pdf plain text: jmest-16717.txt item: #23 of 77 id: jmest-16835 author: Arbiyani, Filian; Lasut, Fernando Pranata title: Design of Savonius Vertical Axis Wind Turbine for Vehicle date: 2020-11-27 words: 2979 flesch: 66 summary: Parameters matrix of design Savonius vertical axis wind turbine for vehicle Swept Area (m2) The optimum overlap ratio (e/d) for Savonius wind turbine is 0.242 keywords: area; axis; design; savonius; turbine; wind cache: jmest-16835.pdf plain text: jmest-16835.txt item: #24 of 77 id: jmest-16848 author: Kumar A, Senthil; Daniel S, Joseph title: Tool Life Prediction of Ti [C,N] Mixed Alumina Ceramic Cutting Tool Using Gradient Descent Algorithm on Machining Martensitic Stainless Steel date: 2020-11-27 words: 3957 flesch: 60 summary: Tool life model was developed using Gradient Descent Algorithm. Keywords: Gradient descent algorithm, machine learning, machining, prediction, tool life model. keywords: alumina; cutting; learning; life; machine; machining; model; tool; tool life; wear cache: jmest-16848.pdf plain text: jmest-16848.txt item: #25 of 77 id: jmest-17382 author: Khan, Sakib Al Razi; Hossain, Mohammad Ashfaq; Al Nur, Maglub; Kaiser, Mohammad Salim title: Electrochemical Corrosion Properties of Ternary Al and Quaternary Zr Added Bell Metal in 0.1M NaCl Solution date: 2021-07-28 words: 6960 flesch: 55 summary: Zr added bell metal alloys. Bell metal alloys are conventionally found in gear, bushing or bearing type applications due to its ability to endure high strengths and heavy loads [8]. keywords: addition; alloy; bell; bell metal; copper; corrosion; engineering; journal; metal; quaternary; surface; ternary; vol cache: jmest-17382.pdf plain text: jmest-17382.txt item: #26 of 77 id: jmest-1767 author: Andoko, Andoko; Puspitasari, Poppy; Permanasari, Avita Ayu; Lubis, Didin Zakaria title: Formula of Moulding Sand, Bentonite and Portland Cement toImprove The Quality of Al-Si Cast Alloy date: 2017-11-03 words: 2232 flesch: 68 summary: Compressive, shear, and tensile strength of sand moulds with different compositions Type of Testing 5%B In manufacturing sand moulds, the sand is undergone a process of compaction. keywords: bentonite; cement; moulding; portland; sand; strength cache: jmest-1767.pdf plain text: jmest-1767.txt item: #27 of 77 id: jmest-1769 author: Zakariah, Muhammad Hanish; Puspitasari, Poppy; Ahmad, Nur Aliza title: Development of a Ferrite-Based Electromagnetic Wave Detector date: 2017-11-03 words: 3130 flesch: 58 summary: Gauss 25oC Coercive Force Hc 0.65 Relative Loss factor tan ɗ/ µi 25oC 0.15 MHz 10-3 Electrical Resistivity p DC 25oC ≥108 Ωcm Temperature Coefficient 20oC.80oC ≤5 10-6K-1 Curie Temperature Tc >150 oC Density ρ 5000 Kg/m3 Two types of EM wave detectors were selected in the present work. Many types of electromagnetic detectors have been developed for use in this type of hydrocarbon detection method. keywords: copper; detector; electromagnetic; ferrite; ring cache: jmest-1769.pdf plain text: jmest-1769.txt item: #28 of 77 id: jmest-1770 author: Wahyuningtyas, Nanang Eko; Suryanto, Heru; Rudianto, Eddy; Sukarni, Sukarni; Puspitasari, Poppy title: Thermogravimetric and Kinetic Analysis of Cassava Starch Based Bioplastic date: 2017-11-03 words: 4797 flesch: 61 summary: Journal of Mechanical Engineering Science and Technology ISSN: 2580-0817 Vol. 1, No. 2, November 2017, pp. Thus, this paper explores the thermal decomposition of cassava starchbased bioplastic using the thermogravimetric and kinetic analysis mailto:heru.suryanto.ft@um.ac.id 70 Journal of Mechanical Engineering Science and Technology ISSN: 2580-0817 Vol. 1, No. 2, November 2017, pp. keywords: activation; analysis; bioplastic; cassava; combustion; decomposition; energy; heating; kinetic; mol; stage; starch; thermogravimetric; value; vol cache: jmest-1770.pdf plain text: jmest-1770.txt item: #29 of 77 id: jmest-1771 author: Nasir, Nadeem; Yahya, Noorhana; Zaid, Hasnah Mohd; Shafie, Afza; Hamid, Norhisham title: Modeling of Antenna for Deep Target Hydrocarbon Exploration date: 2017-11-03 words: 5351 flesch: 56 summary: Straight and new antenna electric field response is given (Table 5, 6) respectively. The final step was post processing to generate the simulated data for results analysis at different target depths. keywords: antenna; depth; field; hydrocarbon; model; new; response; target cache: jmest-1771.pdf plain text: jmest-1771.txt item: #30 of 77 id: jmest-1773 author: Rohmat, Yanuar title: Compositional and Structural Evolution during Ball Milling of Ti-based Metallic Glass Powder date: 2017-11-03 words: 3296 flesch: 54 summary: In addition, low GFA Ti-based MGs indicating low thermal and mechanical stabilization are susceptible to loss their amorphous nature as a result of thermal and mechanical working during powder milling. Tungsten carbide (WC) and stainless steel (SS) ball and vial were utilized during powder milling using 8000M SPEX Sample Preparation Machine. keywords: ball; cycles; milling; powder; ribbon; vol cache: jmest-1773.pdf plain text: jmest-1773.txt item: #31 of 77 id: jmest-19191 author: Umar, Muneer; Ofem, Michael Ikpi; Anwar, Auwal Sani; Usman, Muhammad Murtala title: Evaluating Storage and Effective Moduli of In Situ Polymerised and Melt Extruded PA6 Graphite (G) Composites. date: 2021-07-28 words: 5669 flesch: 55 summary: Similarly, in the in situ polymerised systems G and GNP dispersion was made using two similar conditions designated as 40/10 and 20/20. For the melt-extruded systems, G 100/6 had the best E25 ratio of 1.67 and E80 of 2.03, whereas the same for G 200/3 system were respectively 1.87 and 2.64. keywords: 20/20; 40/10; composites; loading; modulus; pa6; storage; systems; vol cache: jmest-19191.pdf plain text: jmest-19191.txt item: #32 of 77 id: jmest-19441 author: Setiawan, Moh. Dedy Indra; Pradana, Yanuar Rohmat Aji; Suprayitno, Suprayitno title: Robust Parameter Design of Shielded Metal Arc Welding (SMAW) for Optimum Tensile Strength date: 2021-11-25 words: 2623 flesch: 62 summary: The welding current of 100A, electrode angle of 90, root gap of 2 mm, and electrode type of E7018 is selected as robust optimum parameter design. The tensile strength is influenced by parameters process which have possibility for an optimization process to become ‘robust’. keywords: design; electrode; parameters; strength; tensile; welding cache: jmest-19441.pdf plain text: jmest-19441.txt item: #33 of 77 id: jmest-20696 author: Hidayat, Ma'mun; Febnesia, Helleni; Ramdani, Sulaeman Deni title: Effect of DCRP and DCSP Polarity on SMAW Welding on the Depth of Penetration with E7018 Electrodes using Low Carbon Steel ASTM A36 date: 2021-07-28 words: 4785 flesch: 63 summary: Welding process and data retrieval Preparation for macrographic test Macrographic test Result of macrographic result Data analysis Conclusion Finish Fig. The experimental was carried out in SMAW welding process with two types of polarity, namely DCRP and DCSP, with electrodes of E7018 LB-52-18 ∅3.2 mm and a length of 200 mm, low carbon steel ASTM A36, a welding arc angle of 70°, and a large variation of current 90 A, 100 A, 110 A, 120 A, and 130 A. keywords: current; dcrp; dcsp; depth; penetration; polarity; process; welding cache: jmest-20696.pdf plain text: jmest-20696.txt item: #34 of 77 id: jmest-21985 author: Prasetya, Riduwan; Andoko, Andoko; Suprayitno, Suprayitno title: Camshaft Failure Simulation with Static Structural Approach date: 2021-07-28 words: 4174 flesch: 64 summary: Deformation, strain, and stress simulation results are similar. Camshaft's design Deformation, strain, and stress simulations were carried out with a fixed value loading force (1348.3 N) at the ends of cam 2 and 3 and torque (113400 Nmm). keywords: bearing; camshaft; life; maximum; simulation; strain; stress; support cache: jmest-21985.pdf plain text: jmest-21985.txt item: #35 of 77 id: jmest-22552 author: Arifin, Moch Miftahul; Ilminnafik, Nasrul; Kustanto, Muh. Nurkoyim; Triono, Agus title: Spray Characteristics at Preheating Temperatur of Diesel-Biodiesel-Gasoline Fuel Blend date: 2021-11-25 words: 3697 flesch: 58 summary: Examined the fumigation gasoline on fuel diesel oil and B20 [20] A. T. Hoang, “Experimental study on spray and emission characteristics of a diesel engine fueled with preheated bio-oils and diesel fuel,” Energy, vol. 171, pp. keywords: biodiesel; blend; characteristics; diesel; doi; fuel; fuel blend; gasoline; preheating; spray; vol cache: jmest-22552.pdf plain text: jmest-22552.txt item: #36 of 77 id: jmest-22714 author: Syaifuddin, Muhamad; Suryanto, Heru; Suprayitno, Suprayitno title: The Effect of Multi-Extrusion Process of Polylactic Acid on Tensile Strength and Fracture Morphology of Filament Product date: 2021-07-28 words: 4743 flesch: 58 summary: It shows that PLA recycling causes hardened surfaces, holes and cracks, discolouration, and heterogeneity in which molten particles appeared and made it inefficient compared to VPLA The tensile strength of recycled PLA decreased by 11.64% after the first recycling and a 20.9% decrease in the second recycling. keywords: acid; doi; extrusion; pla; polylactic; process; recycling; strength; tensile; vol cache: jmest-22714.pdf plain text: jmest-22714.txt item: #37 of 77 id: jmest-23078 author: Lestari, Wahyu Dwi; Danaryanto, A T; Nugroho, A; Ismail, R; Jamari, J; Bayuseno, A P title: Wear Property of Machined Ultra High Molecular Weight Polyethylene (UHMWPE) Acetabular Liner Product with CNC Milling date: 2021-11-25 words: 5745 flesch: 59 summary: This study took three samples of UHMWPE acetabular liner with the best roughness value based on the optimization results of nine samples made. Furthermore, the average surface roughness of UHMWPE acetabular liner decreased, ranging from 0.053 µm and 0.25 µm from the initial average surface roughness of 0.95 µm [32-33]. keywords: doi; hip; joint; liner; milling; process; roughness; specimen; surface; test; uhmwpe; vol; wear cache: jmest-23078.pdf plain text: jmest-23078.txt item: #38 of 77 id: jmest-23851 author: Lestari, Wahyu Dwi title: Passive Prosthetic Ankle Design Based on Indonesian Anthropometry date: 2022-07-19 words: 3438 flesch: 60 summary: Ankle foot prostheses are designed to be able to withstand a load of 100 kg and can be used for patients with a height range of 150 cm to 180 cm. These properties make silicon material suitable for artificial feet and can be shaped to mimic human feet. keywords: ankle; design; foot; prosthesis; study; vol; weight cache: jmest-23851.pdf plain text: jmest-23851.txt item: #39 of 77 id: jmest-23879 author: Faqih, Muhammad Fadhlurrohman; Darsin, Mahros; iMuttaqin, Aris Zainul; Yudistiro, Danang title: Implementation of Internet of Things (IoT) in a Plastic Blow Moulding Machine and Its Performance Measurement date: 2021-11-25 words: 4577 flesch: 63 summary: In this study, there are three parameters with each of the three observed levels, namely temperature, injection time and holding time. In this study, the parameters studied were temperature, injection time and holding time. keywords: blow; control; iot; machine; system; temperature; things; time cache: jmest-23879.pdf plain text: jmest-23879.txt item: #40 of 77 id: jmest-23921 author: Purba, Jhon Sufriadi; Saragi, Jandri Fan HT title: Study of Methanol and Ethanol Absorption on Vacuum Temperature of Adsorption Cooling Machine Adsorption Cycle date: 2021-11-25 words: 4357 flesch: 49 summary: The test on the fifth day of vacuuming the adsorber with vacuum temperature of 180oC resulted in maximum adsorber temperature of 119.64oC, adsorber pressure -40 cmHg, condenser pressure and evaporator -36 cmHg. The test on the sixth day of vacuuming the adsorber with vacuum temperature of 200oC resulted in maximum adsorber temperature of 123.53oC, adsorber pressure -40 cmHg, condenser and evaporator pressure -36 cmHg. keywords: adsorber; adsorption; cmhg; ethanol; evaporator; pressure; temperature; vacuum; vacuum temperature cache: jmest-23921.pdf plain text: jmest-23921.txt item: #41 of 77 id: jmest-24313 author: Santhiarsa, IGN Nitya title: Effect of Variations in Pyrolysis Reactor With Glass Wool Equipped and Without Glass Wool on the Weight of the Oil Produced date: 2021-11-25 words: 3059 flesch: 63 summary: Research has been carried out [15], which aims to determine and compare the ability of plastic pyrolysis oil with kerosene and diesel in terms of density, duration of combustion, water temperature and volume of water lost (evaporated) when cooked using the oil. Cooking water using pyrolysis fuel oil produces a temperature of 75°C at a cooking time of 4 minutes with a volume of water lost (evaporating) of 12.6 ml. keywords: glass; oil; plastic; process; pyrolysis; reactor; temperature; waste; wool cache: jmest-24313.pdf plain text: jmest-24313.txt item: #42 of 77 id: jmest-24348 author: Nanlohy, Hendry Y. title: Comparative Studies on Combustion Characteristics of Blended Crude Jatropha Oil with Magnetic Liquid Catalyst and DEX under Normal Gravity Condition date: 2021-11-25 words: 4153 flesch: 60 summary: The high flame indicates that DEX fuel has a faster evaporation rate than the three types of CJO fuel with and without a catalyst. Fig. The presence of these double bonds has the potential to harm fuel combustion performance [9], where each double bond can reduce ignition properties such as CNs and others by a significant amount [10]. keywords: catalyst; cjo; cjor; combustion; crude; dex; flame; fuel; jatropha; oil; vol cache: jmest-24348.pdf plain text: jmest-24348.txt item: #43 of 77 id: jmest-24768 author: Susilo, Bili Darnanto; Suryanto, Heru; Aminnudin, Aminnudin title: Characterization of Bacterial Nanocellulose - Graphite Nanoplatelets Composite Films date: 2021-11-25 words: 4244 flesch: 61 summary: The XRD spectra of BNC composite films show three distinct peaks, which appear at 2θ 14.2o, 18.2o, and 22.8o, corresponding to crystallographic planes of (101), (101) and (002) BNC/GNP composite films with CTAB addition has lower mechanical properties, and BNC film has the lowest mechanical properties with a stress strength of 13.99 ± 2.769 MPa. keywords: bacterial; bnc; cellulose; composite; ctab; doi; films; gnp; graphite; properties; vol cache: jmest-24768.pdf plain text: jmest-24768.txt item: #44 of 77 id: jmest-25011 author: Muhajir, Muhamad; Suryanto, Heru; Pradana, Yanuar Rohmat Aji; Yanuhar, Uun title: Effect of Homogenization Pressure on Bacterial Cellulose Membrane Characteristic Made from Pineapple Peel Waste date: 2022-07-19 words: 2670 flesch: 57 summary: Figure 1a, BCM with HPH pressure of 0 bar shows the highest amount of porosity and the fibers are still not completely split. Figure 1b of BCM with HPH pressure of 150 bar shows that the fibers begin to split and peel to form particles to fill the pores between the random fiber structures of BC. keywords: bar; bcm; cellulose; doi; hph; pressure; process; vol cache: jmest-25011.pdf plain text: jmest-25011.txt item: #45 of 77 id: jmest-25150 author: Riyanto, Mochammad Deny; Andoko, Andoko; Suryanto, Heru title: Effect of Current and Pulse-on Time on Material Removal Rate and Surface Roughness of Tungsten Carbide in Electric Discharge Machine Die-sinking date: 2023-06-05 words: 3427 flesch: 69 summary: The effect of current and pulse-on time on bulk metallic glass (BMG) to MRR showed that increasing the current will result in a higher MRR value and surface roughness, then increasing pulse-on time results in a lower MRR value and higher surface roughness value [12]. Increased pulse-on time affects the low MRR value and high surface roughness. keywords: current; die; edm; mrr; pulse; roughness; surface; time cache: jmest-25150.pdf plain text: jmest-25150.txt item: #46 of 77 id: jmest-25428 author: Rahman, Reza Aulia; Erikyatna, Mohammad Faishol; Soegiharto, Achmad Fauzan Hery title: Study on Predictive Maintenance of V-Belt in Milling Machines Using Machine Learning date: 2022-11-15 words: 4397 flesch: 63 summary: Machine tools are designed and constructed according to the standards and specifications in order to make a good quality product. Machine tools comprise hundreds of components that interact and function together during the machining process. keywords: belt; data; learning; machine; maintenance; milling; model; value; vol cache: jmest-25428.pdf plain text: jmest-25428.txt item: #47 of 77 id: jmest-26843 author: Sumarji, Sumarji; Albajili, Naufal Fardio; Darsin, Mahros; Sakura, Rahma Rei; Sanata, Andi title: Effect of Variation of SiC Mass Fraction on Mechanical Properties of Al-SiC Composite Using Stir Casting Method date: 2022-07-19 words: 4882 flesch: 64 summary: [8] K. Bandil, H.Vashisth, S.Kumar, L.Verma et al., “Microstructural, mechanical and corrosion behaviour of Al–Si alloy reinforced with SiC metal matrix composite,” J. Compos. [17] T. Tamilanban and T. S. Ravikumar, “Influence of stirring speed on stir casting of SiC reinforced Al Mg Cu composite,” Mater. keywords: addition; aluminium; composite; hardness; matrix; properties; sic; strength; vol cache: jmest-26843.pdf plain text: jmest-26843.txt item: #48 of 77 id: jmest-27502 author: Khan, Akib Abdullah; Shoummo, Mashiur Rahman; Kaiser, Mohammad Salim title: Surface Quality of Fe, Ni and Cr added Hyper-eutectic Al-Si Automotive Alloys under Up-milling and Down-milling Operation date: 2022-07-19 words: 5909 flesch: 65 summary: It is clear that Alloys 2, 3, and 4 have higher hardness ratings than Alloy 1. The SEM fractography shows a huge cleavage of the brittle 𝛽−𝐴𝑙5𝐹𝑒𝑆𝑖 phase, which initiates the crack propagation for Fe added alloys. keywords: alloy; cutting; doi; milling; quality; speed; surface; vol cache: jmest-27502.pdf plain text: jmest-27502.txt item: #49 of 77 id: jmest-27643 author: Marianingsih, Susi; Widodo, Widodo; Pieter, Marla Sheilamita S.; Manullang, Evanita Veronica; Nanlohy, Hendry Y. title: Machine Vision for the Various Road Surface Type Classification Based on Texture Feature date: 2022-07-19 words: 3380 flesch: 60 summary: [7] J. Menegazzo, A. von Wangenheim, “Road surface type classification based on inertial sensors and machine learning,” Computing, vol. 103, pp. [19] L. Cheng, X. Zhang, and J. Shen, “Road surface condition classification using deep learning,” J. Vis. keywords: accuracy; classification; classifier; doi; knn; road; surface; vol cache: jmest-27643.pdf plain text: jmest-27643.txt item: #50 of 77 id: jmest-27720 author: Zakaria, Yahya; Sukarni, Sukarni; Puspitasari, Poppy; Mufti, Nandang; Anis, Samsudin; Johari, Anwar title: Investigate the Potential Renewable Energy of Microalgae Spirulina sp Using Proximate Analyzer, SEM-EDX, and Thermogravimetry date: 2022-11-15 words: 3557 flesch: 63 summary: The TG and DTG curve of pyrolysis Spirulina sp at heating rate of 10 °C/min Figure 3 shows the curve of TG and DTG pyrolysis Spirulina sp at heating rate of 10 °C/min. The content of microalgae Spirulina sp is dominated by carbon (C) and oxygen (O), then followed by chlorine (Cl), sodium (Na), potassium (K), sulfur (S), magnesium (Mg), and phosphorus (P). keywords: content; doi; energy; microalgae; process; spirulina; spirulina sp; value; vol cache: jmest-27720.pdf plain text: jmest-27720.txt item: #51 of 77 id: jmest-28466 author: Nanlohy, Hendry Y.; Arief, Suyatno; Riupassa, Helen; Mini, Martina; Trismawati, Trismawati; Panithasan, Mebin Samuel title: Gasohol Engine Performance with Various Ignition Timing date: 2022-07-19 words: 3306 flesch: 58 summary: The optimal ignition timing for gasoline engines is 9 degrees, while for bioethanol the optimal ignition timing is 12 degrees BTDC. [14] B. Sayin Kul and M. Ciniviz, “Assessment of waste bread bioethanol-gasoline blends in respect to combustion analysis, engine performance and exhaust emissions of a SI engine,” Fuel, vol. keywords: bioethanol; degrees; doi; engine; fuel; gasoline; ignition; performance; timing; vol cache: jmest-28466.pdf plain text: jmest-28466.txt item: #52 of 77 id: jmest-28796 author: Rizaldy, Nardo; Alvin, Alvin; Lingga, Wirawan; Goeij, Ethan B.W.; Ferryanto, F. title: Backpack Effects on Two-Dimensional Gait Spatiotemporal and Kinematic Parameters date: 2022-11-15 words: 3243 flesch: 59 summary: [4] J. Paez-Moguer, J. Montes-Alguacil, I. Garcia-Paya, M. Medina-Alcantara, A. M. Evans, and G. Gijon-Nogueron, Variation of spatiotemporal parameters in school children carrying different backpack loads: a cross-sectional study, Scientific reports, vol. In contrast, Pau et al. found that spatiotemporal parameters were unaffected by backpack carriage from two hundred-eighteen school children’s gait. keywords: backpack; data; figure; gait; parameters; stride; subject; vol; walking cache: jmest-28796.pdf plain text: jmest-28796.txt item: #53 of 77 id: jmest-29357 author: Shoummo, Mashiur Rahman; Khan, Akib Abdullah; Kaiser, Mohammad Salim title: True Stress-Strain Behavior of Al-based Cast Automotive Alloy Under Different Ageing Conditions and the Effect of Trace Zr date: 2022-11-15 words: 4543 flesch: 54 summary: In the micrographs of Zr added alloy, finer distributed grains are visible through the grain refinement of Zr, which also prevents recrystallization at over-aged conditions. This happens due to morphological change of Zr added alloy. keywords: alloy; condition; engineering; journal; peak; strain; strength; vol cache: jmest-29357.pdf plain text: jmest-29357.txt item: #54 of 77 id: jmest-29359 author: Taqdissillah, Doohan; Muttaqin, Aris Zainul; Darsin, Mahros; Dwilaksana, Dedi; Ilminnafik, Nasrul title: The Effect of Nozzle Temperature, Infill Geometry, Layer Height and Fan Speed on Roughness Surface in PETG Filament date: 2022-11-15 words: 3896 flesch: 61 summary: This study aims to find the most optimal parameter of surface roughness of PETG with different parameters of nozzle temperature, infill geometry, layer height and fan speed. Layer height has the highest effect on surface roughness, and other parameters have a low effect, under 7%. keywords: fan; height; infill; layer; parameter; petg; roughness; speed; surface; vol cache: jmest-29359.pdf plain text: jmest-29359.txt item: #55 of 77 id: jmest-30066 author: Setiawan, Agris; Wahyuningsih, Fransisca Diana; Mirahati, Riria Zendy title: Mechanical Properties of Biocomposite with Various Composition of CaCO3 and Starch date: 2023-04-21 words: 3022 flesch: 49 summary: Corn starch suspension of 60% (w/v) was prepared by dispersing corn starch in aquadest with the addition of 10% (w/w) citric acid, then 40% (v/w) glycerin, as well as making suspension of cassava starch with 40% (w/v) in aquadest. Conclusions Biocomposite (CaCO3 suspension: bioplastic corn starch + cassava starch) has the potential to develop as soft material, regarding mechanical properties such as ultimate tensile strength (σUTS) and flexural strength (σFS). keywords: biocomposite; caco3; calcium; composition; specimen; starch; strength; vol cache: jmest-30066.pdf plain text: jmest-30066.txt item: #56 of 77 id: jmest-30187 author: Maulana, Jibril; Suryanto, Heru; Aminnudin, Aminnudin title: Effect of Graphene Addition on Bacterial Cellulose-Based Nanocomposite date: 2022-11-15 words: 4535 flesch: 61 summary: [15] F. G. Torres, J. J. Arroyo, and O. P. Troncoso, Bacterial cellulose nanocomposites: An all-nano type of material, Mater. A method for improving the range of applications for bacterial cellulose is adding graphene material. keywords: addition; bacterial; bonding; cellulose; crystallinity; cuo; doi; effect; graphene; nanocomposite; vol cache: jmest-30187.pdf plain text: jmest-30187.txt item: #57 of 77 id: jmest-30270 author: Wiguna, Chrisrulita Sekaradi; Suryanto, Heru; Aminnudin, Aminnudin; Binoj, Joseph Selvi; Ali, Alamry title: Effect of Grafting Nano-TiO2 on Sansevieria cylindrica Fiber Properties date: 2023-04-21 words: 3885 flesch: 59 summary: As a result, the morphology of S. cylindrica fibers became rougher and showed a rougher surface after a silane concentration of 1%, but with the proper concentration, some fiber surfaces provided a good interface. Previous research on S. cylindrica fiber only used alkaline treatment[10]. keywords: coupling; cylindrica; fiber; nano; properties; silane; strength; surface; tio2; vol cache: jmest-30270.pdf plain text: jmest-30270.txt item: #58 of 77 id: jmest-30608 author: Trihutomo, Prihanto; Puspitasari, Poppy; Radja, Muhammad Bustomi; Busono, Milzam Rahmat title: Synthesis and Characterization of Nitrogen-Doped Activated Carbon for Lithium Battery Anode Applications date: 2023-05-01 words: 3274 flesch: 57 summary: Activated carbon compared its characteristics with variations in the concentration of added Urea to activated carbon, at 1:3 and 1:5. Keywords: Activated carbon, characterization, nitrogen concentration, nitrogen doping, surface I. Introduction New and renewable natural resources are needed, especially due to increasing global warming and limited fossil resources [1]. keywords: battery; carbon; doi; doping; energy; lithium; ndac; nitrogen; sample; vol cache: jmest-30608.pdf plain text: jmest-30608.txt item: #59 of 77 id: jmest-30653 author: Fadillah, Faqih; Suryanto, Heru; Suprayitno, Suprayitno title: Study on Effect of 3D Printing Parameters on Surface Roughness and Tensile Strength Using Analysis of Variance date: 2023-07-31 words: 4221 flesch: 67 summary: The research design used an experimental method with input parameters: (1) print speed (15-35 mm/s), (2) print temperature (200-210C), (3) layer height (0.1 – 0.3 mm), (4) infill line directions (0-90), and dependent variables were surface roughness and tensile strength. The goal of this research is to find the parameters that most affect surface roughness and tensile strength. II. keywords: difference; print; printing; roughness; strength; surface; tensile cache: jmest-30653.pdf plain text: jmest-30653.txt item: #60 of 77 id: jmest-31929 author: Setiawan, Widia; Santoso, Nugroho; Wiyadi, Wiyadi; Aji, Muhammad Sulistiyo; Alamin, Rachmat; Tarmudi, Achsan title: Lap Joint on St.37 Steel Plate with Friction Welding Clamping Method date: 2023-06-08 words: 5146 flesch: 69 summary: Keywords: Carbon steel, clamping, friction welding, microhardness, microstructure, shear force I. Introduction The latest advancements and fundamental mechanisms of a variety of mechanical (form- and force-closed) and metallurgical joining techniques have been presented and explored. [6] R. Winiczenko and M. Kaczorowski, “Friction welding of ductile iron with stainless steel,” J. Mater. keywords: clamping; doi; friction; joint; method; plate; steel; vol; welding cache: jmest-31929.pdf plain text: jmest-31929.txt item: #61 of 77 id: jmest-32093 author: Sugara, Imam Rudi; Ilminnafik, Nasrul; Junus, Salahuddin; Kustanto, Muh Nurkoyim; Hermawan, Yuni title: The Combustion Characteristics of Calophyllum inophyllum Fuel in the Presence of Magnetic Field date: 2023-05-11 words: 5129 flesch: 60 summary: Additionally, the degree of polarity of C. inophyllum biodiesel fuel is enhanced by the influence of a magnetic field. [3] M. S. Shehata, “Emissions, performance and cylinder pressure of diesel engine fuelled by biodiesel fuel,” Fuel, vol. keywords: biodiesel; characteristics; combustion; doi; field; flame; fuel; inophyllum; oil; vol cache: jmest-32093.pdf plain text: jmest-32093.txt item: #62 of 77 id: jmest-34688 author: Suardi, Suardi; Ikhwani, Rodlian Jamal; Aulia, Ade Putri Rezki title: Effect of Temperature Variations of Corn (Maize) Oil Biodiesel on Torque Values and Thermal Efficiency of Diesel Engines date: 2023-06-28 words: 3834 flesch: 66 summary: The results of the study obtained the engine performance value, namely the highest torque was on diesel oil fuel 4.57 N.m. With these results, it can be concluded that engine performance with corn oil fuel can be used as an alternative fuel to replace hydrocarbon fuel. keywords: b30; biodiesel; diesel; fuel; oil; temperature; value cache: jmest-34688.pdf plain text: jmest-34688.txt item: #63 of 77 id: jmest-36492 author: Arrizq, Ariq Harits; Setyadi, Pratomo title: Analysis of Fire and Smoke Spread in Ki Hajar Dewantara Auditorium, State University of Jakarta, Using Fire Dynamics Simulator date: 2023-06-22 words: 4687 flesch: 60 summary: 4. HRR Graph of Modeling 2 Spread of Fire and Smoke In Table 5, the distance between fire source and the ventilation was relatively small, and the ceiling height was 5.5 m. In the event of fire, the spread was not extensive and could be contained within the room or only spread to the area adjacent to its source [21]. In case a room has poor ventilation or a large distance between fire source and ventilation, fire tends to take longer before reaching the flashover period, but the fully-developed period is shorter. keywords: auditorium; ceiling; fds; fire; hrr; material; modeling; seconds; smoke; spread; ventilation; vol cache: jmest-36492.pdf plain text: jmest-36492.txt item: #64 of 77 id: jmest-37366 author: Kulesh, Victor A.; Prasetio, Mathias Bimo; Hiep, Fam Chung title: Designing a NAABSA Class Tanker Ship with Bottom Protection from Ground date: 2023-06-09 words: 2625 flesch: 67 summary: Keywords: External structural protection, FEM analysis, grounding resistance, NAABSA, Tanker I. Introduction The Republic of Indonesia is the largest archipelago country in the world. Double bottom The stresses differences in ESP (external structural protection) of case 1 and case 2 are identical. keywords: ground; hull; kulesh; protection; russian; tanker cache: jmest-37366.pdf plain text: jmest-37366.txt item: #65 of 77 id: jmest-37717 author: Pradana, Yanuar Rohmat Aji; Afrianto, Raka; Rahman, Chandra Hairat Abdul; Andoko, Andoko title: The Effect of Cutting Speed of Nitrogen Laser Cutting on the Surface Texture of SUS 304 Plate date: 2023-06-15 words: 4951 flesch: 67 summary: Such properties lead to the accumulation of high amounts of heat and mechanical stress at the edges of the cutting tool at high cutting speed. Top zones as shown in Figure 4 (a), (b), and (c) are called cutting zones. keywords: cutting; dross; height; kerf; laser; min; speed; surface; vol; zone cache: jmest-37717.pdf plain text: jmest-37717.txt item: #66 of 77 id: jmest-5054 author: Jebeli, Maryam Sharifi; Kurnianto, Wahyu; Wahono, Wahono title: Mechanical Properties and Permeability of Sand Casting Moulds with Eggshells Binder date: 2018-08-30 words: 2632 flesch: 64 summary: All rights reserved Keywords: mechanical properties, permeability, sand mould, eggshell I. Introduction Metal casting is a work piece shaping method involving a series of process, i.e. melting the material through heating and pouring it into a mould to produce the desired shape in the work piece. To date, the use of sand moulds remains the most preferable option due to its low-cost feedstock, variety of sizes and compositions, and recyclability keywords: bentonite; casting; cm2; moulds; permeability; sand; strength cache: jmest-5054.pdf plain text: jmest-5054.txt item: #67 of 77 id: jmest-5055 author: Saputra, Ayik Bela; Muhtarom, Imam; Rochmaniyah, Ni’matul; Padmi, Ardhana Iswari Citra; Rahmawati, Ika title: Pine Flower Waste Innovation As A Plant Based Program Augmented Reality date: 2018-08-30 words: 1212 flesch: 52 summary: Therefore it is necessary an alternative in the form of planting media that can be used as a trigger tool of environmental care attitude and can feel the sensation of planting that educative by utilizing pine flower waste as an attractive and environmentally friendly planting medium. All rights reserved Keywords: planting media, environmental education, pine flower waste I. Introduction Indonesia's forests are generally dominated by various types of plants. keywords: learning; media; planting; pot cache: jmest-5055.pdf plain text: jmest-5055.txt item: #68 of 77 id: jmest-5066 author: Wahyuningtiyas, Nanang Eko; Suryanto, Heru title: Properties of Cassava Starch based Bioplastic Reinforced by Nanoclay date: 2018-08-30 words: 3547 flesch: 61 summary: 20-26 Nanang Eko Wahyuningtiyas and Heru Suryanto (Properties of cassava starch based bioplastic reinforced by nanoclay) Nanoclay in the forms of clay is abundant in nature, versatility, and respectability toward the environment [17]. Mechanical properties of cassava starch based bioplastic and Nanoclay reinforced bioplastic Sample Tensile strength (MPa) Elongation (%) keywords: bioplastic; cassava; cassava starch; nanoclay; properties; starch; vol; water cache: jmest-5066.pdf plain text: jmest-5066.txt item: #69 of 77 id: jmest-5068 author: Puspitasari, Dewi; Puspitasari, Poppy; Firmansyah, M. Rizka Gita; Solichin, Solichin title: The Effect of Rotational Speed, Friction Duration, and Pressure on Tensile Strength of AISI 6061 Welding Joints date: 2018-08-30 words: 1748 flesch: 62 summary: The independent variables involved in this study were variations in rotational speed, friction duration, and pressure, while the dependent variables were tensile strength resulted from friction welding. One viable solution to weld rigid bodies is through friction welding. keywords: friction; speed; strength; tensile; welding cache: jmest-5068.pdf plain text: jmest-5068.txt item: #70 of 77 id: jmest-5381 author: Kurnianto, Wahyu; Puspitasari, Poppy; Wahono, Wahono title: Analysis of Mechanical Properties and Permeability of Sand Moulding by Using Eggshell in Sand Casting date: 2018-10-08 words: 2712 flesch: 62 summary: Based on the test result indicated that permeability of sand moulding by heat treatment at 110ºC for 60 minutes at sample of 3 ES 10% was at 178.3 ml / min. All rights reserved Keywords: Mechanical properties, permeability, sand moulding, eggshell. keywords: cm2; moulding; permeability; sand; strength; value cache: jmest-5381.pdf plain text: jmest-5381.txt item: #71 of 77 id: jmest-5382 author: Nawettanaprasert, Kritchakhris; Aminanta, Zakaria Bagus; Murdanto, Putut title: The Analysis of Permeability and Mechanical Properties of Sand Moulding Using Mixed Material Clamshell (Placuna placenta) on Sand Casting date: 2018-10-08 words: 2348 flesch: 58 summary: The use of bentonite as binder in sand moulding manufacture of sand due to its necessary properties that generate high binding capacity, being clay in wet condition and harden in dry condition, thus, manufacture of sand moulding is easy to be set up [5]. Journal of Mechanical Engineering Science and Technology ISSN: 2580-0817 Vol. 2, No 2, November 2018, pp. 85-89 85 DOI: 10.17977/um016v2i12018p085 The Analysis of Permeability and Mechanical Properties of Sand Moulding Using Mixed Material Clamshell (Placuna placenta) on Sand Casting Kritchakhris Nawettanaprasert1, Zakaria Bagus Aminanta 2,3, and Putut Murdanto2 1 Department of Industrial Engineering, Faculty of Industrial Engineering, Phranakhon Rajabhat University, Thailand 2 Department of Mechanical Engineering, Faculty of Engineering, Universitas Negeri Malang 3 Bachelor Program, Mechanical Engineering Department, Universitas Negeri Malang *zakariabagus20@gmail.com ABSTRACT keywords: clamshell; cm2; moulding; sand; strength cache: jmest-5382.pdf plain text: jmest-5382.txt item: #72 of 77 id: jmest-7597 author: Sutrisno, Tito Arif; Suryanto, Heru; Wulandari, Retno; Muhajir, M.; Zahari, S.M.Shahrul N.S. title: The Effect of Chemical Pretreatment Process on Mechanical Properties and Porosity of Cellulose Bacterial Film date: 2019-08-13 words: 3527 flesch: 60 summary: Based on research that has been carried out, the morphology of BC fibers formed by interconnected fibril tissue containing bonds. and After Chemical Treatments After the chemical treatment, a reduction in tensile strength was caused by the dissolution or exfoliation occurred on BC fiber, so the binding capacity between fibers becomes brittle. keywords: bacterial; cellulose; chemical; film; naoh; porosity; pretreatment; tensile; vol cache: jmest-7597.pdf plain text: jmest-7597.txt item: #73 of 77 id: jmest-7864 author: Wardhani, Riesca Ayu Kusuma; Asri, Lia; Nasir, Muhamad; Purwasasmita, Bambang Sunendar title: Preparation of Chitosan-Polyethylene Oxide-Colocasia esculenta Flour Nanofibers using Electrospinning Method date: 2019-08-13 words: 2593 flesch: 55 summary: Afterward, the FT-IR spectrum of chitosan-PEO-CE flour nanofiber was compared to the electrospun chitosan-PEO, and electrospun PEO nanofibers (Figure 3). CE flour colloidal solutions were prepared with concentrations of 5, 15, and 25% (w/v) in deionized water. keywords: ce flour; chitosan; flour; nanofibers; peo; solution cache: jmest-7864.pdf plain text: jmest-7864.txt item: #74 of 77 id: jmest-8169 author: Lubis, Didin Zakariya; Andoko, Andoko title: Elastic Linear Analysis of Connecting Rods for Single Cylinder Four Stroke Petrol Engines Using Finite Element Method date: 2019-08-13 words: 2420 flesch: 60 summary: 3.14 .6308 60 = 660.2 𝑟𝑎𝑑/𝑠 r = Stroke of piston 2 (6) 45 Journal of Mechanical Engineering Science and Technology ISSN: 2580-0817 Vol. 3, No. 1, July 2019, pp.42-50 Andoko & Lubis (Elastic Linear Analysis of Connecting Rods for Single Cylinder Four Stroke) r = 57.9 𝑥 10−3 2 = 28.95 𝑥 10−3 𝑚 θ = 0 (considering that connecting rod is at the TDC position) Inertia force of AISI 4340 material: Journal of Mechanical Engineering Science and Technology ISSN: 2580-0817 Vol. 3, No. 1, July 2019, pp.42-50 42 DOI: 10.17977/um016v3i12019p042 Elastic Linear Analysis of Connecting Rods for Single Cylinder Four Stroke Petrol Engines Using Finite Element Method Didin Zakariya Lubis, Andoko* Mechanical Engineering Department, Engineering Faculty, Universitas Negeri Malang, Jl. keywords: analysis; material; rod; rods cache: jmest-8169.pdf plain text: jmest-8169.txt item: #75 of 77 id: jmest-8213 author: Bintara, Redyarsa Dharma; Aminnudin, Aminnudin; Prasetiyo, Dani; Arbianto, Ferian Rizki title: The Characteristic of Overhang Object to Material Usage on FDM 3D Printing Technology date: 2019-08-13 words: 2467 flesch: 54 summary: All models are printed into two kind of 3D printed model, printed model with support structure addition and without support addition. The result shows that the average overweight of 3D printed model with support structure addition is 40.41% than without support structure addition. keywords: material; model; overhang; structure; support; technology cache: jmest-8213.pdf plain text: jmest-8213.txt item: #76 of 77 id: jmest-9099 author: Yazirin, Cepi; Puspitasari, Poppy; Arif, Muhamad Fatikul title: Comparison Study of Mechanical Properties of Al-Si Alloy with and without Nanoreinforce Iron Oxide (Fe2O3) date: 2019-08-13 words: 2313 flesch: 56 summary: Al- Si alloy reinforced by nanomaterial Fe2O3 affecting the hardness of Al-Si alloys. Results and Discussions A. Tensile Strength Analysis Figure 1 shows the resulting diagram of tensile test of raw Al-Si alloy and Al-Si alloy reinforced nanomaterial Fe2O3 sintered at a temperature of 600 C for 3 hours. keywords: alloy; fe2o3; hours; si alloy; vol cache: jmest-9099.pdf plain text: jmest-9099.txt item: #77 of 77 id: jmest-9132 author: Maijuansyah, Maijuansyah; Pradana, Yanuar Rohmat Aji; Jatisukamto, Gaguk; Solichin, Solichin title: Study on The Thermal Distortion, Hardness and Microstructure of St 37 Steel Plate Joined Using FCAW date: 2019-08-13 words: 4461 flesch: 55 summary: By applying higher heat input, the hardness was observed to be lower at HAZ. Therefore, a low thermal gradient and cooling rate occurred at high heat input. keywords: current; distortion; hardness; heat; input; metal; microstructure; vol; welding cache: jmest-9132.pdf plain text: jmest-9132.txt