id	sid	tid	token	lemma	pos
fis-170	1	1	microsoft	microsoft	PROPN
fis-170	1	2	word	word	PROPN
fis-170	1	3	numero	numero	PROPN
fis-170	1	4	23	23	NUM
fis-170	1	5	articolo	articolo	PROPN
fis-170	1	6	13	13	NUM
fis-170	1	7	f.	f.	PROPN
fis-170	1	8	felli	felli	PROPN
fis-170	1	9	et	et	PROPN
fis-170	1	10	alii	alii	PROPN
fis-170	1	11	,	,	PUNCT
fis-170	1	12	frattura	frattura	PROPN
fis-170	1	13	ed	ed	PROPN
fis-170	1	14	integrità	integrità	PROPN
fis-170	1	15	strutturale	strutturale	PROPN
fis-170	1	16	,	,	PUNCT
fis-170	1	17	23	23	NUM
fis-170	1	18	(	(	PUNCT
fis-170	1	19	2013	2013	NUM
fis-170	1	20	)	)	PUNCT
fis-170	1	21	127	127	NUM
fis-170	1	22	-	-	SYM
fis-170	1	23	135	135	NUM
fis-170	1	24	;	;	PUNCT
fis-170	1	25	doi	doi	NOUN
fis-170	1	26	:	:	PUNCT
fis-170	1	27	10.3221	10.3221	NUM
fis-170	1	28	/	/	SYM
fis-170	1	29	igf	igf	PROPN
fis-170	1	30	-	-	PUNCT
fis-170	1	31	esis.23.13	esis.23.13	PROPN
fis-170	1	32	127	127	NUM
fis-170	1	33	wear	wear	VERB
fis-170	1	34	surface	surface	NOUN
fis-170	1	35	damage	damage	NOUN
fis-170	1	36	of	of	ADP
fis-170	1	37	a	a	DET
fis-170	1	38	stainless	stainless	ADJ
fis-170	1	39	steel	steel	NOUN
fis-170	1	40	en	en	ADP
fis-170	1	41	3358	3358	NUM
fis-170	1	42	aeronautical	aeronautical	NOUN
fis-170	1	43	component	component	NOUN
fis-170	1	44	subjected	subject	VERB
fis-170	1	45	to	to	ADP
fis-170	1	46	sliding	slide	VERB
fis-170	1	47	ferdinando	ferdinando	NOUN
fis-170	1	48	felli	felli	NOUN
fis-170	1	49	,	,	PUNCT
fis-170	1	50	andrea	andrea	PROPN
fis-170	1	51	brotzu	brotzu	PROPN
fis-170	1	52	,	,	PUNCT
fis-170	1	53	cristian	cristian	PROPN
fis-170	1	54	vendittozzi	vendittozzi	NOUN
fis-170	1	55	sapienza	sapienza	PROPN
fis-170	1	56	rome	rome	PROPN
fis-170	1	57	university	university	PROPN
fis-170	1	58	,	,	PUNCT
fis-170	1	59	d.i.c.m.a	d.i.c.m.a	NOUN
fis-170	1	60	.	.	PUNCT
fis-170	1	61	via	via	ADP
fis-170	1	62	eudossiana	eudossiana	PROPN
fis-170	1	63	18	18	NUM
fis-170	1	64	,	,	PUNCT
fis-170	1	65	00184	00184	NUM
fis-170	1	66	rome	rome	PROPN
fis-170	1	67	,	,	PUNCT
fis-170	1	68	italy	italy	PROPN
fis-170	1	69	ferdinando.felli@uniroma1.it	ferdinando.felli@uniroma1.it	PROPN
fis-170	1	70	antonio	antonio	PROPN
fis-170	1	71	paolozzi	paolozzi	PROPN
fis-170	1	72	sapienza	sapienza	PROPN
fis-170	1	73	rome	rome	PROPN
fis-170	1	74	university	university	PROPN
fis-170	1	75	,	,	PUNCT
fis-170	1	76	d.i.a.e.e	d.i.a.e.e	PROPN
fis-170	1	77	.	.	PUNCT
fis-170	2	1	via	via	ADP
fis-170	2	2	eudossiana	eudossiana	PROPN
fis-170	2	3	18	18	NUM
fis-170	2	4	,	,	PUNCT
fis-170	2	5	00184	00184	NUM
fis-170	2	6	rome	rome	PROPN
fis-170	2	7	,	,	PUNCT
fis-170	2	8	italy	italy	PROPN
fis-170	2	9	francesco	francesco	PROPN
fis-170	2	10	passeggio	passeggio	PROPN
fis-170	2	11	ompm	ompm	PROPN
fis-170	2	12	s.r.l	s.r.l	PROPN
fis-170	2	13	.	.	PUNCT
fis-170	2	14	,	,	PUNCT
fis-170	2	15	via	via	ADP
fis-170	2	16	fontana	fontana	PROPN
fis-170	2	17	5	5	NUM
fis-170	2	18	,	,	PUNCT
fis-170	2	19	84012	84012	NUM
fis-170	2	20	angri	angri	NOUN
fis-170	2	21	(	(	PUNCT
fis-170	2	22	sa	sa	PROPN
fis-170	2	23	)	)	PUNCT
fis-170	2	24	italy	italy	PROPN
fis-170	2	25	abstract	abstract	NOUN
fis-170	2	26	.	.	PUNCT
fis-170	3	1	the	the	DET
fis-170	3	2	present	present	ADJ
fis-170	3	3	paper	paper	NOUN
fis-170	3	4	describes	describe	VERB
fis-170	3	5	the	the	DET
fis-170	3	6	failure	failure	NOUN
fis-170	3	7	analysis	analysis	NOUN
fis-170	3	8	of	of	ADP
fis-170	3	9	an	an	DET
fis-170	3	10	aircraft	aircraft	NOUN
fis-170	3	11	component	component	NOUN
fis-170	3	12	subjected	subject	VERB
fis-170	3	13	to	to	ADP
fis-170	3	14	several	several	ADJ
fis-170	3	15	episodes	episode	NOUN
fis-170	3	16	of	of	ADP
fis-170	3	17	in	in	ADP
fis-170	3	18	service	service	NOUN
fis-170	3	19	failure	failure	NOUN
fis-170	3	20	,	,	PUNCT
fis-170	3	21	resulted	result	VERB
fis-170	3	22	in	in	ADP
fis-170	3	23	loss	loss	NOUN
fis-170	3	24	of	of	ADP
fis-170	3	25	the	the	DET
fis-170	3	26	aircraft	aircraft	NOUN
fis-170	3	27	safety	safety	NOUN
fis-170	3	28	.	.	PUNCT
fis-170	4	1	modern	modern	ADJ
fis-170	4	2	aircrafts	aircraft	NOUN
fis-170	4	3	are	be	AUX
fis-170	4	4	provided	provide	VERB
fis-170	4	5	with	with	ADP
fis-170	4	6	mechanical	mechanical	ADJ
fis-170	4	7	systems	system	NOUN
fis-170	4	8	which	which	PRON
fis-170	4	9	have	have	VERB
fis-170	4	10	the	the	DET
fis-170	4	11	task	task	NOUN
fis-170	4	12	to	to	PART
fis-170	4	13	open	open	VERB
fis-170	4	14	not	not	PART
fis-170	4	15	pressurized	pressurize	VERB
fis-170	4	16	hatches	hatch	NOUN
fis-170	4	17	during	during	ADP
fis-170	4	18	landing	landing	NOUN
fis-170	4	19	.	.	PUNCT
fis-170	5	1	the	the	DET
fis-170	5	2	components	component	NOUN
fis-170	5	3	of	of	ADP
fis-170	5	4	such	such	ADJ
fis-170	5	5	systems	system	NOUN
fis-170	5	6	are	be	AUX
fis-170	5	7	subject	subject	ADJ
fis-170	5	8	to	to	ADP
fis-170	5	9	considerable	considerable	ADJ
fis-170	5	10	mechanical	mechanical	ADJ
fis-170	5	11	stresses	stress	NOUN
fis-170	5	12	in	in	ADP
fis-170	5	13	harsh	harsh	ADJ
fis-170	5	14	environment	environment	NOUN
fis-170	5	15	(	(	PUNCT
fis-170	5	16	presence	presence	NOUN
fis-170	5	17	of	of	ADP
fis-170	5	18	moisture	moisture	NOUN
fis-170	5	19	and	and	CCONJ
fis-170	5	20	pollutants	pollutant	NOUN
fis-170	5	21	,	,	PUNCT
fis-170	5	22	significant	significant	ADJ
fis-170	5	23	and	and	CCONJ
fis-170	5	24	sudden	sudden	ADJ
fis-170	5	25	temperature	temperature	NOUN
fis-170	5	26	variations	variation	NOUN
fis-170	5	27	)	)	PUNCT
fis-170	5	28	.	.	PUNCT
fis-170	6	1	the	the	DET
fis-170	6	2	system	system	NOUN
fis-170	6	3	is	be	AUX
fis-170	6	4	constituted	constitute	VERB
fis-170	6	5	by	by	ADP
fis-170	6	6	a	a	DET
fis-170	6	7	sliding	slide	VERB
fis-170	6	8	piston	piston	NOUN
fis-170	6	9	,	,	PUNCT
fis-170	6	10	a	a	DET
fis-170	6	11	related	related	ADJ
fis-170	6	12	nipple	nipple	NOUN
fis-170	6	13	and	and	CCONJ
fis-170	6	14	by	by	ADP
fis-170	6	15	a	a	DET
fis-170	6	16	locking	locking	NOUN
fis-170	6	17	system	system	NOUN
fis-170	6	18	consisting	consist	VERB
fis-170	6	19	of	of	ADP
fis-170	6	20	4	4	NUM
fis-170	6	21	steel	steel	NOUN
fis-170	6	22	spheres	sphere	NOUN
fis-170	6	23	which	which	PRON
fis-170	6	24	are	be	AUX
fis-170	6	25	forced	force	VERB
fis-170	6	26	into	into	ADP
fis-170	6	27	a	a	DET
fis-170	6	28	countersink	countersink	NOUN
fis-170	6	29	machined	machine	VERB
fis-170	6	30	on	on	ADP
fis-170	6	31	the	the	DET
fis-170	6	32	piston	piston	NOUN
fis-170	6	33	when	when	SCONJ
fis-170	6	34	the	the	DET
fis-170	6	35	hatches	hatch	NOUN
fis-170	6	36	is	be	AUX
fis-170	6	37	open	open	ADJ
fis-170	6	38	.	.	PUNCT
fis-170	7	1	the	the	DET
fis-170	7	2	whole	whole	ADJ
fis-170	7	3	system	system	NOUN
fis-170	7	4	is	be	AUX
fis-170	7	5	activated	activate	VERB
fis-170	7	6	by	by	ADP
fis-170	7	7	a	a	DET
fis-170	7	8	preloaded	preloaded	ADJ
fis-170	7	9	spring	spring	NOUN
fis-170	7	10	.	.	PUNCT
fis-170	8	1	the	the	DET
fis-170	8	2	machined	machine	VERB
fis-170	8	3	parts	part	NOUN
fis-170	8	4	,	,	PUNCT
fis-170	8	5	nipple	nipple	NOUN
fis-170	8	6	and	and	CCONJ
fis-170	8	7	piston	piston	NOUN
fis-170	8	8	,	,	PUNCT
fis-170	8	9	are	be	AUX
fis-170	8	10	made	make	VERB
fis-170	8	11	of	of	ADP
fis-170	8	12	en3358	en3358	NOUN
fis-170	8	13	steel	steel	NOUN
fis-170	8	14	(	(	PUNCT
fis-170	8	15	x3crnimo13	x3crnimo13	PROPN
fis-170	8	16	-	-	NOUN
fis-170	8	17	8	8	NUM
fis-170	8	18	-	-	SYM
fis-170	8	19	2	2	NUM
fis-170	8	20	)	)	PUNCT
fis-170	8	21	,	,	PUNCT
fis-170	8	22	a	a	DET
fis-170	8	23	precipitation	precipitation	NOUN
fis-170	8	24	hardening	harden	VERB
fis-170	8	25	stainless	stainless	ADJ
fis-170	8	26	steel	steel	NOUN
fis-170	8	27	with	with	ADP
fis-170	8	28	very	very	ADV
fis-170	8	29	low	low	ADJ
fis-170	8	30	content	content	NOUN
fis-170	8	31	of	of	ADP
fis-170	8	32	carbon	carbon	NOUN
fis-170	8	33	often	often	ADV
fis-170	8	34	used	use	VERB
fis-170	8	35	in	in	ADP
fis-170	8	36	the	the	DET
fis-170	8	37	aerospace	aerospace	NOUN
fis-170	8	38	.	.	PUNCT
fis-170	9	1	the	the	DET
fis-170	9	2	samples	sample	NOUN
fis-170	9	3	provided	provide	VERB
fis-170	9	4	by	by	ADP
fis-170	9	5	the	the	DET
fis-170	9	6	manufacturer	manufacturer	NOUN
fis-170	9	7	present	present	VERB
fis-170	9	8	different	different	ADJ
fis-170	9	9	types	type	NOUN
fis-170	9	10	of	of	ADP
fis-170	9	11	damage	damage	NOUN
fis-170	9	12	all	all	PRON
fis-170	9	13	referable	referable	ADJ
fis-170	9	14	to	to	ADP
fis-170	9	15	phenomena	phenomenon	NOUN
fis-170	9	16	relative	relative	ADJ
fis-170	9	17	to	to	ADP
fis-170	9	18	the	the	DET
fis-170	9	19	sliding	sliding	NOUN
fis-170	9	20	of	of	ADP
fis-170	9	21	the	the	DET
fis-170	9	22	piston	piston	NOUN
fis-170	9	23	inside	inside	ADP
fis-170	9	24	the	the	DET
fis-170	9	25	nipple	nipple	NOUN
fis-170	9	26	.	.	PUNCT
fis-170	10	1	the	the	DET
fis-170	10	2	present	present	ADJ
fis-170	10	3	paper	paper	NOUN
fis-170	10	4	describes	describe	VERB
fis-170	10	5	the	the	DET
fis-170	10	6	different	different	ADJ
fis-170	10	7	damage	damage	NOUN
fis-170	10	8	observed	observe	VERB
fis-170	10	9	and	and	CCONJ
fis-170	10	10	the	the	DET
fis-170	10	11	microstructure	microstructure	NOUN
fis-170	10	12	of	of	ADP
fis-170	10	13	the	the	DET
fis-170	10	14	material	material	NOUN
fis-170	10	15	,	,	PUNCT
fis-170	10	16	then	then	ADV
fis-170	10	17	are	be	AUX
fis-170	10	18	reported	report	VERB
fis-170	10	19	the	the	DET
fis-170	10	20	results	result	NOUN
fis-170	10	21	obtained	obtain	VERB
fis-170	10	22	from	from	ADP
fis-170	10	23	the	the	DET
fis-170	10	24	characterization	characterization	NOUN
fis-170	10	25	of	of	ADP
fis-170	10	26	the	the	DET
fis-170	10	27	material	material	NOUN
fis-170	10	28	of	of	ADP
fis-170	10	29	the	the	DET
fis-170	10	30	samples	sample	NOUN
fis-170	10	31	by	by	ADP
fis-170	10	32	means	mean	NOUN
fis-170	10	33	of	of	ADP
fis-170	10	34	optical	optical	ADJ
fis-170	10	35	and	and	CCONJ
fis-170	10	36	electronic	electronic	ADJ
fis-170	10	37	microscopy	microscopy	NOUN
fis-170	10	38	,	,	PUNCT
fis-170	10	39	carried	carry	VERB
fis-170	10	40	out	out	ADP
fis-170	10	41	to	to	PART
fis-170	10	42	define	define	VERB
fis-170	10	43	the	the	DET
fis-170	10	44	mechanisms	mechanism	NOUN
fis-170	10	45	involved	involve	VERB
fis-170	10	46	in	in	ADP
fis-170	10	47	the	the	DET
fis-170	10	48	system	system	NOUN
fis-170	10	49	seizure	seizure	VERB
fis-170	10	50	.	.	PUNCT
fis-170	11	1	in	in	ADP
fis-170	11	2	order	order	NOUN
fis-170	11	3	to	to	PART
fis-170	11	4	define	define	VERB
fis-170	11	5	the	the	DET
fis-170	11	6	primary	primary	ADJ
fis-170	11	7	cause	cause	NOUN
fis-170	11	8	of	of	ADP
fis-170	11	9	failure	failure	NOUN
fis-170	11	10	and	and	CCONJ
fis-170	11	11	to	to	PART
fis-170	11	12	propose	propose	VERB
fis-170	11	13	solutions	solution	NOUN
fis-170	11	14	to	to	PART
fis-170	11	15	be	be	AUX
fis-170	11	16	adopted	adopt	VERB
fis-170	11	17	,	,	PUNCT
fis-170	11	18	also	also	ADV
fis-170	11	19	analyzing	analyze	VERB
fis-170	11	20	the	the	DET
fis-170	11	21	criticality	criticality	NOUN
fis-170	11	22	of	of	ADP
fis-170	11	23	using	use	VERB
fis-170	11	24	this	this	DET
fis-170	11	25	ph	ph	ADJ
fis-170	11	26	stainless	stainless	ADJ
fis-170	11	27	steel	steel	NOUN
fis-170	11	28	for	for	ADP
fis-170	11	29	this	this	DET
fis-170	11	30	application	application	NOUN
fis-170	11	31	,	,	PUNCT
fis-170	11	32	the	the	DET
fis-170	11	33	results	result	NOUN
fis-170	11	34	of	of	ADP
fis-170	11	35	different	different	ADJ
fis-170	11	36	tests	test	NOUN
fis-170	11	37	were	be	AUX
fis-170	11	38	compared	compare	VERB
fis-170	11	39	with	with	ADP
fis-170	11	40	system	system	NOUN
fis-170	11	41	design	design	NOUN
fis-170	11	42	and	and	CCONJ
fis-170	11	43	working	working	NOUN
fis-170	11	44	data	datum	NOUN
fis-170	11	45	.	.	PUNCT
fis-170	12	1	keywords	keyword	NOUN
fis-170	12	2	.	.	PUNCT
fis-170	13	1	ph	ph	ADJ
fis-170	13	2	stainless	stainless	ADJ
fis-170	13	3	steel	steel	NOUN
fis-170	13	4	;	;	PUNCT
fis-170	13	5	aerospace	aerospace	NOUN
fis-170	13	6	;	;	PUNCT
fis-170	13	7	wear	wear	VERB
fis-170	13	8	;	;	PUNCT
fis-170	13	9	failure	failure	NOUN
fis-170	13	10	analysis	analysis	NOUN
fis-170	13	11	;	;	PUNCT
fis-170	13	12	surface	surface	NOUN
fis-170	13	13	damage	damage	NOUN
fis-170	13	14	.	.	PUNCT
fis-170	14	1	introduction	introduction	NOUN
fis-170	14	2	recipitation	recipitation	NOUN
fis-170	14	3	hardening	harden	VERB
fis-170	14	4	stainless	stainless	ADJ
fis-170	14	5	steels	steel	NOUN
fis-170	14	6	(	(	PUNCT
fis-170	14	7	phss	phss	NOUN
fis-170	14	8	)	)	PUNCT
fis-170	14	9	are	be	AUX
fis-170	14	10	often	often	ADV
fis-170	14	11	employed	employ	VERB
fis-170	14	12	in	in	ADP
fis-170	14	13	the	the	DET
fis-170	14	14	aeronautical	aeronautical	NOUN
fis-170	14	15	field	field	NOUN
fis-170	14	16	because	because	SCONJ
fis-170	14	17	of	of	ADP
fis-170	14	18	their	their	PRON
fis-170	14	19	good	good	ADJ
fis-170	14	20	corrosion	corrosion	NOUN
fis-170	14	21	resistance	resistance	NOUN
fis-170	14	22	and	and	CCONJ
fis-170	14	23	of	of	ADP
fis-170	14	24	their	their	PRON
fis-170	14	25	important	important	ADJ
fis-170	14	26	mechanical	mechanical	ADJ
fis-170	14	27	properties	property	NOUN
fis-170	14	28	.	.	PUNCT
fis-170	15	1	the	the	DET
fis-170	15	2	phss	phss	NOUN
fis-170	15	3	are	be	AUX
fis-170	15	4	low	low	ADJ
fis-170	15	5	carbon	carbon	NOUN
fis-170	15	6	steels	steel	NOUN
fis-170	15	7	containing	contain	VERB
fis-170	15	8	certain	certain	ADJ
fis-170	15	9	amount	amount	NOUN
fis-170	15	10	of	of	ADP
fis-170	15	11	cr	cr	PROPN
fis-170	15	12	and	and	CCONJ
fis-170	15	13	ni	ni	PROPN
fis-170	15	14	together	together	ADV
fis-170	15	15	with	with	ADP
fis-170	15	16	other	other	ADJ
fis-170	15	17	substitutional	substitutional	ADJ
fis-170	15	18	elements	element	NOUN
fis-170	15	19	such	such	ADJ
fis-170	15	20	as	as	ADP
fis-170	15	21	mo	mo	PROPN
fis-170	15	22	,	,	PUNCT
fis-170	15	23	co	co	NOUN
fis-170	15	24	,	,	PUNCT
fis-170	15	25	ti	ti	PROPN
fis-170	15	26	and	and	CCONJ
fis-170	15	27	al	al	PROPN
fis-170	15	28	.	.	PROPN
fis-170	16	1	remarkable	remarkable	ADJ
fis-170	16	2	mechanical	mechanical	ADJ
fis-170	16	3	properties	property	NOUN
fis-170	16	4	can	can	AUX
fis-170	16	5	be	be	AUX
fis-170	16	6	achieved	achieve	VERB
fis-170	16	7	following	follow	VERB
fis-170	16	8	a	a	DET
fis-170	16	9	precipitation	precipitation	NOUN
fis-170	16	10	heat	heat	NOUN
fis-170	16	11	treatment	treatment	NOUN
fis-170	16	12	which	which	PRON
fis-170	16	13	usually	usually	ADV
fis-170	16	14	consist	consist	VERB
fis-170	16	15	in	in	ADP
fis-170	16	16	a	a	DET
fis-170	16	17	solution	solution	NOUN
fis-170	16	18	treatment	treatment	NOUN
fis-170	16	19	carried	carry	VERB
fis-170	16	20	out	out	ADP
fis-170	16	21	in	in	ADP
fis-170	16	22	the	the	DET
fis-170	16	23	fully	fully	ADV
fis-170	16	24	austenitic	austenitic	ADJ
fis-170	16	25	region	region	NOUN
fis-170	16	26	at	at	ADP
fis-170	16	27	temperatures	temperature	NOUN
fis-170	16	28	greater	great	ADJ
fis-170	16	29	than	than	ADP
fis-170	16	30	850	850	NUM
fis-170	16	31	°	°	NOUN
fis-170	16	32	c	c	NOUN
fis-170	16	33	followed	follow	VERB
fis-170	16	34	by	by	ADP
fis-170	16	35	quenching	quench	VERB
fis-170	16	36	to	to	PART
fis-170	16	37	produce	produce	VERB
fis-170	16	38	a	a	DET
fis-170	16	39	completely	completely	ADV
fis-170	16	40	martensitic	martensitic	ADJ
fis-170	16	41	matrix	matrix	NOUN
fis-170	16	42	and	and	CCONJ
fis-170	16	43	then	then	ADV
fis-170	16	44	an	an	DET
fis-170	16	45	ageing	age	VERB
fis-170	16	46	treatment	treatment	NOUN
fis-170	16	47	at	at	ADP
fis-170	16	48	intermediate	intermediate	ADJ
fis-170	16	49	temperatures	temperature	NOUN
fis-170	16	50	(	(	PUNCT
fis-170	16	51	400	400	NUM
fis-170	16	52	-	-	SYM
fis-170	16	53	600	600	NUM
fis-170	16	54	°	°	NOUN
fis-170	16	55	c	c	NOUN
fis-170	16	56	)	)	PUNCT
fis-170	16	57	to	to	PART
fis-170	16	58	allow	allow	VERB
fis-170	16	59	the	the	DET
fis-170	16	60	p	p	PROPN
fis-170	16	61	http://www.gruppofrattura.it	http://www.gruppofrattura.it	PROPN
fis-170	16	62	http://dx.medra.org/10.3221/igf-esis.23.13&auth=true	http://dx.medra.org/10.3221/igf-esis.23.13&auth=true	PROPN
fis-170	16	63	f.	f.	PROPN
fis-170	16	64	felli	felli	PROPN
fis-170	16	65	et	et	PROPN
fis-170	16	66	alii	alii	PROPN
fis-170	16	67	,	,	PUNCT
fis-170	16	68	frattura	frattura	PROPN
fis-170	16	69	ed	ed	PROPN
fis-170	16	70	integrità	integrità	PROPN
fis-170	16	71	strutturale	strutturale	PROPN
fis-170	16	72	,	,	PUNCT
fis-170	16	73	23	23	NUM
fis-170	16	74	(	(	PUNCT
fis-170	16	75	2013	2013	NUM
fis-170	16	76	)	)	PUNCT
fis-170	16	77	127	127	NUM
fis-170	16	78	-	-	SYM
fis-170	16	79	135	135	NUM
fis-170	16	80	;	;	PUNCT
fis-170	16	81	doi	doi	NOUN
fis-170	16	82	:	:	PUNCT
fis-170	16	83	10.3221	10.3221	NUM
fis-170	16	84	/	/	SYM
fis-170	16	85	igf	igf	PROPN
fis-170	16	86	-	-	NOUN
fis-170	16	87	esis.23.13	esis.23.13	PROPN
fis-170	16	88	128	128	NUM
fis-170	16	89	hardening	harden	VERB
fis-170	16	90	by	by	ADP
fis-170	16	91	uniform	uniform	ADJ
fis-170	16	92	precipitation	precipitation	NOUN
fis-170	16	93	of	of	ADP
fis-170	16	94	intermetallic	intermetallic	ADJ
fis-170	16	95	compounds	compound	NOUN
fis-170	16	96	.	.	PUNCT
fis-170	17	1	the	the	DET
fis-170	17	2	type	type	NOUN
fis-170	17	3	of	of	ADP
fis-170	17	4	the	the	DET
fis-170	17	5	fine	fine	ADJ
fis-170	17	6	precipitates	precipitate	NOUN
fis-170	17	7	depends	depend	VERB
fis-170	17	8	on	on	ADP
fis-170	17	9	alloying	alloy	VERB
fis-170	17	10	elements	element	NOUN
fis-170	17	11	,	,	PUNCT
fis-170	17	12	[	[	X
fis-170	17	13	1	1	NUM
fis-170	17	14	-	-	SYM
fis-170	17	15	6	6	NUM
fis-170	17	16	]	]	PUNCT
fis-170	17	17	.	.	PUNCT
fis-170	18	1	the	the	DET
fis-170	18	2	en	en	PROPN
fis-170	18	3	3358	3358	NUM
fis-170	18	4	(	(	PUNCT
fis-170	18	5	x3crnimoal	x3crnimoal	NOUN
fis-170	18	6	13	13	NUM
fis-170	18	7	-	-	SYM
fis-170	18	8	8	8	NUM
fis-170	18	9	-	-	SYM
fis-170	18	10	2	2	NUM
fis-170	18	11	grade	grade	NOUN
fis-170	18	12	steel	steel	NOUN
fis-170	18	13	)	)	PUNCT
fis-170	18	14	is	be	AUX
fis-170	18	15	often	often	ADV
fis-170	18	16	used	use	VERB
fis-170	18	17	in	in	ADP
fis-170	18	18	many	many	ADJ
fis-170	18	19	field	field	NOUN
fis-170	18	20	like	like	ADP
fis-170	18	21	aeronautics	aeronautic	NOUN
fis-170	18	22	,	,	PUNCT
fis-170	18	23	plastic	plastic	NOUN
fis-170	18	24	processing	processing	NOUN
fis-170	18	25	,	,	PUNCT
fis-170	18	26	petrochemical	petrochemical	NOUN
fis-170	18	27	industry	industry	NOUN
fis-170	18	28	,	,	PUNCT
fis-170	18	29	where	where	SCONJ
fis-170	18	30	good	good	ADJ
fis-170	18	31	corrosion	corrosion	NOUN
fis-170	18	32	resistance	resistance	NOUN
fis-170	18	33	is	be	AUX
fis-170	18	34	requested	request	VERB
fis-170	18	35	together	together	ADV
fis-170	18	36	with	with	ADP
fis-170	18	37	excellent	excellent	ADJ
fis-170	18	38	mechanical	mechanical	ADJ
fis-170	18	39	properties	property	NOUN
fis-170	18	40	.	.	PUNCT
fis-170	19	1	this	this	DET
fis-170	19	2	phss	phss	NOUN
fis-170	19	3	have	have	VERB
fis-170	19	4	many	many	ADJ
fis-170	19	5	advantages	advantage	NOUN
fis-170	19	6	if	if	SCONJ
fis-170	19	7	compared	compare	VERB
fis-170	19	8	to	to	ADP
fis-170	19	9	other	other	ADJ
fis-170	19	10	stainless	stainless	ADJ
fis-170	19	11	steel	steel	NOUN
fis-170	19	12	.	.	PUNCT
fis-170	20	1	in	in	ADP
fis-170	20	2	particular	particular	ADJ
fis-170	20	3	they	they	PRON
fis-170	20	4	show	show	VERB
fis-170	20	5	a	a	DET
fis-170	20	6	wide	wide	ADJ
fis-170	20	7	variation	variation	NOUN
fis-170	20	8	in	in	ADP
fis-170	20	9	hardness	hardness	NOUN
fis-170	20	10	,	,	PUNCT
fis-170	20	11	3250	3250	NUM
fis-170	20	12	hrc	hrc	PROPN
fis-170	20	13	,	,	PUNCT
fis-170	20	14	depending	depend	VERB
fis-170	20	15	on	on	ADP
fis-170	20	16	the	the	DET
fis-170	20	17	applied	apply	VERB
fis-170	20	18	age	age	NOUN
fis-170	20	19	hardening	harden	VERB
fis-170	20	20	temperature	temperature	NOUN
fis-170	20	21	;	;	PUNCT
fis-170	20	22	dimensional	dimensional	ADJ
fis-170	20	23	stability	stability	NOUN
fis-170	20	24	during	during	ADP
fis-170	20	25	the	the	DET
fis-170	20	26	heat	heat	NOUN
fis-170	20	27	treatment	treatment	NOUN
fis-170	20	28	;	;	PUNCT
fis-170	20	29	uniformity	uniformity	NOUN
fis-170	20	30	of	of	ADP
fis-170	20	31	properties	property	NOUN
fis-170	20	32	for	for	ADP
fis-170	20	33	large	large	ADJ
fis-170	20	34	work	work	NOUN
fis-170	20	35	pieces	piece	NOUN
fis-170	20	36	;	;	PUNCT
fis-170	20	37	good	good	ADJ
fis-170	20	38	weldability	weldability	NOUN
fis-170	20	39	.	.	PUNCT
fis-170	21	1	the	the	DET
fis-170	21	2	heat	heat	NOUN
fis-170	21	3	treatment	treatment	NOUN
fis-170	21	4	for	for	ADP
fis-170	21	5	this	this	DET
fis-170	21	6	steel	steel	NOUN
fis-170	21	7	consists	consist	VERB
fis-170	21	8	in	in	ADP
fis-170	21	9	an	an	DET
fis-170	21	10	austenitization	austenitization	NOUN
fis-170	21	11	step	step	NOUN
fis-170	21	12	carried	carry	VERB
fis-170	21	13	out	out	ADP
fis-170	21	14	at	at	ADP
fis-170	21	15	1038	1038	NUM
fis-170	21	16	°	°	ADP
fis-170	21	17	c	c	NOUN
fis-170	21	18	followed	follow	VERB
fis-170	21	19	by	by	ADP
fis-170	21	20	quenching	quenching	NOUN
fis-170	21	21	and	and	CCONJ
fis-170	21	22	ageing	age	VERB
fis-170	21	23	at	at	ADP
fis-170	21	24	510	510	NUM
fis-170	21	25	-	-	SYM
fis-170	21	26	760	760	NUM
fis-170	21	27	°	°	PROPN
fis-170	21	28	c	c	NOUN
fis-170	21	29	for	for	ADP
fis-170	21	30	4	4	NUM
fis-170	21	31	hours	hour	NOUN
fis-170	21	32	.	.	PUNCT
fis-170	22	1	higher	high	ADJ
fis-170	22	2	mechanical	mechanical	ADJ
fis-170	22	3	properties	property	NOUN
fis-170	22	4	can	can	AUX
fis-170	22	5	be	be	AUX
fis-170	22	6	obtained	obtain	VERB
fis-170	22	7	ageing	age	VERB
fis-170	22	8	at	at	ADP
fis-170	22	9	lower	low	ADJ
fis-170	22	10	temperatures	temperature	NOUN
fis-170	22	11	,	,	PUNCT
fis-170	22	12	(	(	PUNCT
fis-170	22	13	510	510	NUM
fis-170	22	14	°	°	NUM
fis-170	22	15	c	c	NOUN
fis-170	22	16	)	)	PUNCT
fis-170	22	17	,	,	PUNCT
fis-170	23	1	[	[	X
fis-170	23	2	4	4	NUM
fis-170	23	3	]	]	PUNCT
fis-170	23	4	.	.	PUNCT
fis-170	24	1	the	the	DET
fis-170	24	2	strengthening	strengthening	NOUN
fis-170	24	3	is	be	AUX
fis-170	24	4	obtained	obtain	VERB
fis-170	24	5	after	after	ADP
fis-170	24	6	the	the	DET
fis-170	24	7	heat	heat	NOUN
fis-170	24	8	treatment	treatment	NOUN
fis-170	24	9	,	,	PUNCT
fis-170	24	10	due	due	ADP
fis-170	24	11	to	to	ADP
fis-170	24	12	a	a	DET
fis-170	24	13	fine	fine	ADJ
fis-170	24	14	precipitation	precipitation	NOUN
fis-170	24	15	of	of	ADP
fis-170	24	16	uniformly	uniformly	ADV
fis-170	24	17	dispersed	disperse	VERB
fis-170	24	18	spherical	spherical	ADJ
fis-170	24	19	-nial	-nial	PROPN
fis-170	24	20	precipitates	precipitate	NOUN
fis-170	24	21	,	,	PUNCT
fis-170	24	22	[	[	X
fis-170	24	23	2	2	NUM
fis-170	24	24	-	-	SYM
fis-170	24	25	3	3	NUM
fis-170	24	26	]	]	PUNCT
fis-170	24	27	.	.	PUNCT
fis-170	25	1	in	in	ADP
fis-170	25	2	this	this	DET
fis-170	25	3	work	work	NOUN
fis-170	25	4	a	a	DET
fis-170	25	5	failure	failure	NOUN
fis-170	25	6	analysis	analysis	NOUN
fis-170	25	7	of	of	ADP
fis-170	25	8	an	an	DET
fis-170	25	9	aeronautical	aeronautical	NOUN
fis-170	25	10	component	component	NOUN
fis-170	25	11	realized	realize	VERB
fis-170	25	12	with	with	ADP
fis-170	25	13	this	this	DET
fis-170	25	14	phss	phss	NOUN
fis-170	25	15	is	be	AUX
fis-170	25	16	reported	report	VERB
fis-170	25	17	.	.	PUNCT
fis-170	26	1	the	the	DET
fis-170	26	2	concerned	concerned	ADJ
fis-170	26	3	system	system	NOUN
fis-170	26	4	is	be	AUX
fis-170	26	5	a	a	DET
fis-170	26	6	non	non	ADJ
fis-170	26	7	-	-	ADJ
fis-170	26	8	pressurized	pressurized	ADJ
fis-170	26	9	hatch	hatch	NOUN
fis-170	26	10	mechanical	mechanical	ADJ
fis-170	26	11	opening	opening	NOUN
fis-170	26	12	system	system	NOUN
fis-170	26	13	.	.	PUNCT
fis-170	27	1	the	the	DET
fis-170	27	2	system	system	NOUN
fis-170	27	3	consist	consist	VERB
fis-170	27	4	of	of	ADP
fis-170	27	5	a	a	DET
fis-170	27	6	cylindrical	cylindrical	ADJ
fis-170	27	7	body	body	NOUN
fis-170	27	8	(	(	PUNCT
fis-170	27	9	piston	piston	NOUN
fis-170	27	10	,	,	PUNCT
fis-170	27	11	fig	fig	NOUN
fis-170	27	12	.	.	NOUN
fis-170	28	1	1	1	X
fis-170	28	2	)	)	PUNCT
fis-170	28	3	-fixed	-fixe	VERB
fis-170	28	4	to	to	ADP
fis-170	28	5	the	the	DET
fis-170	28	6	aircraft	aircraft	NOUN
fis-170	28	7	structurewhich	structurewhich	PROPN
fis-170	28	8	slide	slide	NOUN
fis-170	28	9	inside	inside	ADP
fis-170	28	10	a	a	DET
fis-170	28	11	bushing	bushing	NOUN
fis-170	28	12	(	(	PUNCT
fis-170	28	13	nipple	nipple	NOUN
fis-170	28	14	,	,	PUNCT
fis-170	28	15	fig	fig	NOUN
fis-170	28	16	.	.	NOUN
fis-170	29	1	2	2	NUM
fis-170	29	2	)	)	PUNCT
fis-170	29	3	fixed	fix	VERB
fis-170	29	4	to	to	ADP
fis-170	29	5	the	the	DET
fis-170	29	6	hatch	hatch	NOUN
fis-170	29	7	.	.	PUNCT
fis-170	30	1	figure	figure	VERB
fis-170	30	2	1	1	NUM
fis-170	30	3	:	:	PUNCT
fis-170	30	4	sliding	slide	VERB
fis-170	30	5	piston	piston	NOUN
fis-170	30	6	,	,	PUNCT
fis-170	30	7	sectioned	section	VERB
fis-170	30	8	in	in	ADP
fis-170	30	9	smaller	small	ADJ
fis-170	30	10	samples	sample	NOUN
fis-170	30	11	for	for	ADP
fis-170	30	12	the	the	DET
fis-170	30	13	failure	failure	NOUN
fis-170	30	14	analysis	analysis	NOUN
fis-170	30	15	.	.	PUNCT
fis-170	31	1	figure	figure	NOUN
fis-170	31	2	2	2	NUM
fis-170	31	3	:	:	PUNCT
fis-170	31	4	nipple	nipple	NOUN
fis-170	31	5	.	.	PUNCT
fis-170	32	1	the	the	DET
fis-170	32	2	piston	piston	NOUN
fis-170	32	3	has	have	VERB
fis-170	32	4	at	at	ADP
fis-170	32	5	one	one	NUM
fis-170	32	6	end	end	NOUN
fis-170	32	7	a	a	DET
fis-170	32	8	cross	cross	NOUN
fis-170	32	9	section	section	NOUN
fis-170	32	10	reduction	reduction	NOUN
fis-170	32	11	joined	join	VERB
fis-170	32	12	to	to	ADP
fis-170	32	13	the	the	DET
fis-170	32	14	central	central	ADJ
fis-170	32	15	part	part	NOUN
fis-170	32	16	by	by	ADP
fis-170	32	17	a	a	DET
fis-170	32	18	flaring	flaring	NOUN
fis-170	32	19	and	and	CCONJ
fis-170	32	20	a	a	DET
fis-170	32	21	flange	flange	NOUN
fis-170	32	22	on	on	ADP
fis-170	32	23	the	the	DET
fis-170	32	24	opposite	opposite	ADJ
fis-170	32	25	side	side	NOUN
fis-170	32	26	.	.	PUNCT
fis-170	33	1	also	also	ADV
fis-170	33	2	the	the	DET
fis-170	33	3	nipple	nipple	NOUN
fis-170	33	4	presents	present	VERB
fis-170	33	5	a	a	DET
fis-170	33	6	non	non	ADJ
fis-170	33	7	-	-	ADJ
fis-170	33	8	uniform	uniform	ADJ
fis-170	33	9	profile	profile	NOUN
fis-170	33	10	.	.	PUNCT
fis-170	34	1	the	the	DET
fis-170	34	2	central	central	ADJ
fis-170	34	3	hole	hole	NOUN
fis-170	34	4	of	of	ADP
fis-170	34	5	the	the	DET
fis-170	34	6	nipple	nipple	NOUN
fis-170	34	7	start	start	VERB
fis-170	34	8	from	from	ADP
fis-170	34	9	one	one	NUM
fis-170	34	10	end	end	NOUN
fis-170	34	11	with	with	ADP
fis-170	34	12	a	a	DET
fis-170	34	13	diameter	diameter	NOUN
fis-170	34	14	equal	equal	ADJ
fis-170	34	15	to	to	ADP
fis-170	34	16	the	the	DET
fis-170	34	17	larger	large	ADJ
fis-170	34	18	diameter	diameter	NOUN
fis-170	34	19	of	of	ADP
fis-170	34	20	the	the	DET
fis-170	34	21	passing	passing	ADJ
fis-170	34	22	piston	piston	NOUN
fis-170	34	23	,	,	PUNCT
fis-170	34	24	ending	end	VERB
fis-170	34	25	on	on	ADP
fis-170	34	26	the	the	DET
fis-170	34	27	other	other	ADJ
fis-170	34	28	end	end	NOUN
fis-170	34	29	with	with	ADP
fis-170	34	30	a	a	DET
fis-170	34	31	considerable	considerable	ADJ
fis-170	34	32	larger	large	ADJ
fis-170	34	33	diameter	diameter	NOUN
fis-170	34	34	.	.	PUNCT
fis-170	35	1	these	these	DET
fis-170	35	2	parts	part	NOUN
fis-170	35	3	are	be	AUX
fis-170	35	4	joined	join	VERB
fis-170	35	5	by	by	ADP
fis-170	35	6	interposing	interpose	VERB
fis-170	35	7	a	a	DET
fis-170	35	8	helicoidal	helicoidal	ADJ
fis-170	35	9	spring	spring	NOUN
fis-170	35	10	which	which	PRON
fis-170	35	11	surround	surround	VERB
fis-170	35	12	the	the	DET
fis-170	35	13	piston	piston	NOUN
fis-170	35	14	;	;	PUNCT
fis-170	35	15	the	the	DET
fis-170	35	16	spring	spring	NOUN
fis-170	35	17	is	be	AUX
fis-170	35	18	housed	house	VERB
fis-170	35	19	inside	inside	ADP
fis-170	35	20	the	the	DET
fis-170	35	21	larger	large	ADJ
fis-170	35	22	section	section	NOUN
fis-170	35	23	of	of	ADP
fis-170	35	24	the	the	DET
fis-170	35	25	nipple	nipple	NOUN
fis-170	35	26	and	and	CCONJ
fis-170	35	27	is	be	AUX
fis-170	35	28	stopped	stop	VERB
fis-170	35	29	by	by	ADP
fis-170	35	30	the	the	DET
fis-170	35	31	flange	flange	NOUN
fis-170	35	32	of	of	ADP
fis-170	35	33	the	the	DET
fis-170	35	34	piston	piston	NOUN
fis-170	35	35	.	.	PUNCT
fis-170	36	1	the	the	DET
fis-170	36	2	task	task	NOUN
fis-170	36	3	of	of	ADP
fis-170	36	4	the	the	DET
fis-170	36	5	loaded	load	VERB
fis-170	36	6	spring	spring	NOUN
fis-170	36	7	is	be	AUX
fis-170	36	8	to	to	PART
fis-170	36	9	provide	provide	VERB
fis-170	36	10	the	the	DET
fis-170	36	11	force	force	NOUN
fis-170	36	12	required	require	VERB
fis-170	36	13	to	to	PART
fis-170	36	14	open	open	VERB
fis-170	36	15	the	the	DET
fis-170	36	16	hatch	hatch	NOUN
fis-170	36	17	.	.	PUNCT
fis-170	37	1	when	when	SCONJ
fis-170	37	2	the	the	DET
fis-170	37	3	hatch	hatch	NOUN
fis-170	37	4	is	be	AUX
fis-170	37	5	closed	close	VERB
fis-170	37	6	,	,	PUNCT
fis-170	37	7	the	the	DET
fis-170	37	8	nipple	nipple	NOUN
fis-170	37	9	is	be	AUX
fis-170	37	10	located	locate	VERB
fis-170	37	11	at	at	ADP
fis-170	37	12	about	about	ADV
fis-170	37	13	half	half	NOUN
fis-170	37	14	of	of	ADP
fis-170	37	15	the	the	DET
fis-170	37	16	central	central	ADJ
fis-170	37	17	portion	portion	NOUN
fis-170	37	18	of	of	ADP
fis-170	37	19	the	the	DET
fis-170	37	20	cylindrical	cylindrical	ADJ
fis-170	37	21	part	part	NOUN
fis-170	37	22	and	and	CCONJ
fis-170	37	23	the	the	DET
fis-170	37	24	spring	spring	NOUN
fis-170	37	25	is	be	AUX
fis-170	37	26	loaded	load	VERB
fis-170	37	27	(	(	PUNCT
fis-170	37	28	compressed	compress	VERB
fis-170	37	29	)	)	PUNCT
fis-170	37	30	between	between	ADP
fis-170	37	31	the	the	DET
fis-170	37	32	flange	flange	NOUN
fis-170	37	33	and	and	CCONJ
fis-170	37	34	the	the	DET
fis-170	37	35	nipple	nipple	NOUN
fis-170	37	36	.	.	PUNCT
fis-170	38	1	when	when	SCONJ
fis-170	38	2	opening	opening	NOUN
fis-170	38	3	,	,	PUNCT
fis-170	38	4	the	the	DET
fis-170	38	5	spring	spring	NOUN
fis-170	38	6	makes	make	VERB
fis-170	38	7	slide	slide	VERB
fis-170	38	8	the	the	DET
fis-170	38	9	nipple	nipple	NOUN
fis-170	38	10	towards	towards	ADP
fis-170	38	11	the	the	DET
fis-170	38	12	end	end	NOUN
fis-170	38	13	with	with	ADP
fis-170	38	14	smaller	small	ADJ
fis-170	38	15	diameter	diameter	NOUN
fis-170	38	16	of	of	ADP
fis-170	38	17	the	the	DET
fis-170	38	18	piston	piston	NOUN
fis-170	38	19	,	,	PUNCT
fis-170	38	20	pushing	push	VERB
fis-170	38	21	the	the	DET
fis-170	38	22	hatch	hatch	NOUN
fis-170	38	23	in	in	ADP
fis-170	38	24	the	the	DET
fis-170	38	25	open	open	ADJ
fis-170	38	26	position	position	NOUN
fis-170	38	27	.	.	PUNCT
fis-170	39	1	four	four	NUM
fis-170	39	2	holes	hole	NOUN
fis-170	39	3	are	be	AUX
fis-170	39	4	drilled	drill	VERB
fis-170	39	5	equally	equally	ADV
fis-170	39	6	spaced	space	VERB
fis-170	39	7	-on	-on	NOUN
fis-170	39	8	the	the	PRON
fis-170	39	9	nipplein	nipplein	ADJ
fis-170	39	10	the	the	DET
fis-170	39	11	middle	middle	NOUN
fis-170	39	12	of	of	ADP
fis-170	39	13	the	the	DET
fis-170	39	14	portion	portion	NOUN
fis-170	39	15	with	with	ADP
fis-170	39	16	smaller	small	ADJ
fis-170	39	17	inner	inner	ADJ
fis-170	39	18	diameter	diameter	NOUN
fis-170	39	19	.	.	PUNCT
fis-170	40	1	these	these	DET
fis-170	40	2	holes	hole	NOUN
fis-170	40	3	host	host	NOUN
fis-170	40	4	four	four	NUM
fis-170	40	5	steel	steel	NOUN
fis-170	40	6	spheres	sphere	NOUN
fis-170	40	7	which	which	PRON
fis-170	40	8	act	act	VERB
fis-170	40	9	as	as	ADP
fis-170	40	10	locking	locking	NOUN
fis-170	40	11	system	system	NOUN
fis-170	40	12	.	.	PUNCT
fis-170	41	1	during	during	ADP
fis-170	41	2	the	the	DET
fis-170	41	3	opening	opening	NOUN
fis-170	41	4	phase	phase	NOUN
fis-170	41	5	,	,	PUNCT
fis-170	41	6	when	when	SCONJ
fis-170	41	7	the	the	DET
fis-170	41	8	nipple	nipple	NOUN
fis-170	41	9	reaches	reach	VERB
fis-170	41	10	its	its	PRON
fis-170	41	11	final	final	ADJ
fis-170	41	12	position	position	NOUN
fis-170	41	13	,	,	PUNCT
fis-170	41	14	these	these	DET
fis-170	41	15	spheres	sphere	NOUN
fis-170	41	16	are	be	AUX
fis-170	41	17	forced	force	VERB
fis-170	41	18	by	by	ADP
fis-170	41	19	an	an	DET
fis-170	41	20	third	third	ADJ
fis-170	41	21	components	component	NOUN
fis-170	41	22	which	which	PRON
fis-170	41	23	surround	surround	VERB
fis-170	41	24	the	the	DET
fis-170	41	25	nipple	nipple	NOUN
fis-170	41	26	and	and	CCONJ
fis-170	41	27	slides	slide	VERB
fis-170	41	28	over	over	ADP
fis-170	41	29	it	it	PRON
fis-170	41	30	,	,	PUNCT
fis-170	41	31	in	in	ADP
fis-170	41	32	order	order	NOUN
fis-170	41	33	to	to	PART
fis-170	41	34	move	move	VERB
fis-170	41	35	along	along	ADP
fis-170	41	36	the	the	DET
fis-170	41	37	holes	hole	NOUN
fis-170	41	38	and	and	CCONJ
fis-170	41	39	to	to	PART
fis-170	41	40	touch	touch	VERB
fis-170	41	41	the	the	DET
fis-170	41	42	piston	piston	NOUN
fis-170	41	43	in	in	ADP
fis-170	41	44	correspondence	correspondence	NOUN
fis-170	41	45	of	of	ADP
fis-170	41	46	the	the	DET
fis-170	41	47	countersink	countersink	NOUN
fis-170	41	48	.	.	PUNCT
fis-170	42	1	thus	thus	ADV
fis-170	42	2	the	the	DET
fis-170	42	3	4	4	NUM
fis-170	42	4	spheres	sphere	NOUN
fis-170	42	5	prevent	prevent	VERB
fis-170	42	6	the	the	DET
fis-170	42	7	movement	movement	NOUN
fis-170	42	8	of	of	ADP
fis-170	42	9	the	the	DET
fis-170	42	10	nipple	nipple	NOUN
fis-170	42	11	locking	lock	VERB
fis-170	42	12	the	the	DET
fis-170	42	13	whole	whole	ADJ
fis-170	42	14	system	system	NOUN
fis-170	42	15	in	in	ADP
fis-170	42	16	the	the	DET
fis-170	42	17	open	open	ADJ
fis-170	42	18	position	position	NOUN
fis-170	42	19	.	.	PUNCT
fis-170	43	1	one	one	PRON
fis-170	43	2	must	must	AUX
fis-170	43	3	act	act	VERB
fis-170	43	4	manually	manually	ADV
fis-170	43	5	on	on	ADP
fis-170	43	6	the	the	DET
fis-170	43	7	external	external	ADJ
fis-170	43	8	bushing	bushing	NOUN
fis-170	43	9	,	,	PUNCT
fis-170	43	10	when	when	SCONJ
fis-170	43	11	the	the	DET
fis-170	43	12	aircraft	aircraft	NOUN
fis-170	43	13	is	be	AUX
fis-170	43	14	stopped	stop	VERB
fis-170	43	15	,	,	PUNCT
fis-170	43	16	in	in	ADP
fis-170	43	17	order	order	NOUN
fis-170	43	18	to	to	PART
fis-170	43	19	release	release	VERB
fis-170	43	20	the	the	DET
fis-170	43	21	spheres	sphere	NOUN
fis-170	43	22	and	and	CCONJ
fis-170	43	23	then	then	ADV
fis-170	43	24	allow	allow	VERB
fis-170	43	25	the	the	DET
fis-170	43	26	nipple	nipple	NOUN
fis-170	43	27	to	to	PART
fis-170	43	28	return	return	VERB
fis-170	43	29	back	back	ADV
fis-170	43	30	and	and	CCONJ
fis-170	43	31	close	close	VERB
fis-170	43	32	the	the	DET
fis-170	43	33	hatch	hatch	NOUN
fis-170	43	34	.	.	PUNCT
fis-170	44	1	the	the	DET
fis-170	44	2	external	external	ADJ
fis-170	44	3	bushing	bush	VERB
fis-170	44	4	http://www.gruppofrattura.it	http://www.gruppofrattura.it	PROPN
fis-170	44	5	http://dx.medra.org/10.3221/igf-esis.23.13&auth=true	http://dx.medra.org/10.3221/igf-esis.23.13&auth=true	PROPN
fis-170	44	6	f.	f.	PROPN
fis-170	44	7	felli	felli	PROPN
fis-170	44	8	et	et	PROPN
fis-170	44	9	alii	alii	PROPN
fis-170	44	10	,	,	PUNCT
fis-170	44	11	frattura	frattura	PROPN
fis-170	44	12	ed	ed	PROPN
fis-170	44	13	integrità	integrità	PROPN
fis-170	44	14	strutturale	strutturale	PROPN
fis-170	44	15	,	,	PUNCT
fis-170	44	16	23	23	NUM
fis-170	44	17	(	(	PUNCT
fis-170	44	18	2013	2013	NUM
fis-170	44	19	)	)	PUNCT
fis-170	44	20	127	127	NUM
fis-170	44	21	-	-	SYM
fis-170	44	22	135	135	NUM
fis-170	44	23	;	;	PUNCT
fis-170	44	24	doi	doi	NOUN
fis-170	44	25	:	:	PUNCT
fis-170	44	26	10.3221	10.3221	NUM
fis-170	44	27	/	/	SYM
fis-170	44	28	igf	igf	PROPN
fis-170	44	29	-	-	PROPN
fis-170	44	30	esis.23.13	esis.23.13	PROPN
fis-170	44	31	129	129	NUM
fis-170	44	32	is	be	AUX
fis-170	44	33	shaped	shape	VERB
fis-170	44	34	in	in	ADP
fis-170	44	35	order	order	NOUN
fis-170	44	36	to	to	PART
fis-170	44	37	leave	leave	VERB
fis-170	44	38	the	the	DET
fis-170	44	39	steel	steel	NOUN
fis-170	44	40	spheres	sphere	NOUN
fis-170	44	41	free	free	ADJ
fis-170	44	42	,	,	PUNCT
fis-170	44	43	inside	inside	ADP
fis-170	44	44	the	the	DET
fis-170	44	45	nipple	nipple	NOUN
fis-170	44	46	holes	hole	VERB
fis-170	44	47	,	,	PUNCT
fis-170	44	48	when	when	SCONJ
fis-170	44	49	the	the	DET
fis-170	44	50	system	system	NOUN
fis-170	44	51	is	be	AUX
fis-170	44	52	loaded	load	VERB
fis-170	44	53	(	(	PUNCT
fis-170	44	54	nipple	nipple	NOUN
fis-170	44	55	in	in	ADP
fis-170	44	56	central	central	ADJ
fis-170	44	57	position	position	NOUN
fis-170	44	58	and	and	CCONJ
fis-170	44	59	spring	spring	NOUN
fis-170	44	60	compressed	compress	VERB
fis-170	44	61	)	)	PUNCT
fis-170	44	62	;	;	PUNCT
fis-170	44	63	the	the	DET
fis-170	44	64	spheres	sphere	NOUN
fis-170	44	65	should	should	AUX
fis-170	44	66	not	not	PART
fis-170	44	67	exert	exert	VERB
fis-170	44	68	pressure	pressure	NOUN
fis-170	44	69	on	on	ADP
fis-170	44	70	the	the	DET
fis-170	44	71	piston	piston	NOUN
fis-170	44	72	.	.	PUNCT
fis-170	45	1	on	on	ADP
fis-170	45	2	several	several	ADJ
fis-170	45	3	occasions	occasion	NOUN
fis-170	45	4	happened	happen	VERB
fis-170	45	5	that	that	SCONJ
fis-170	45	6	the	the	DET
fis-170	45	7	entire	entire	ADJ
fis-170	45	8	system	system	NOUN
fis-170	45	9	did	do	AUX
fis-170	45	10	not	not	PART
fis-170	45	11	work	work	VERB
fis-170	45	12	due	due	ADP
fis-170	45	13	to	to	ADP
fis-170	45	14	the	the	DET
fis-170	45	15	seizure	seizure	NOUN
fis-170	45	16	of	of	ADP
fis-170	45	17	the	the	DET
fis-170	45	18	cylindrical	cylindrical	ADJ
fis-170	45	19	part	part	NOUN
fis-170	45	20	on	on	ADP
fis-170	45	21	the	the	DET
fis-170	45	22	nipple	nipple	NOUN
fis-170	45	23	.	.	PUNCT
fis-170	46	1	several	several	ADJ
fis-170	46	2	surface	surface	NOUN
fis-170	46	3	damages	damage	NOUN
fis-170	46	4	were	be	AUX
fis-170	46	5	observed	observe	VERB
fis-170	46	6	-once	-once	NOUN
fis-170	46	7	disassembled	disassemble	VERB
fis-170	46	8	the	the	DET
fis-170	46	9	systemon	systemon	PROPN
fis-170	46	10	the	the	DET
fis-170	46	11	surface	surface	NOUN
fis-170	46	12	of	of	ADP
fis-170	46	13	the	the	DET
fis-170	46	14	piston	piston	NOUN
fis-170	46	15	and	and	CCONJ
fis-170	46	16	on	on	ADP
fis-170	46	17	the	the	DET
fis-170	46	18	inner	inner	ADJ
fis-170	46	19	surface	surface	NOUN
fis-170	46	20	of	of	ADP
fis-170	46	21	the	the	DET
fis-170	46	22	nipple	nipple	NOUN
fis-170	46	23	.	.	PUNCT
fis-170	47	1	considering	consider	VERB
fis-170	47	2	the	the	DET
fis-170	47	3	number	number	NOUN
fis-170	47	4	of	of	ADP
fis-170	47	5	failures	failure	NOUN
fis-170	47	6	recorded	record	VERB
fis-170	47	7	and	and	CCONJ
fis-170	47	8	the	the	DET
fis-170	47	9	similarity	similarity	NOUN
fis-170	47	10	of	of	ADP
fis-170	47	11	defects	defect	NOUN
fis-170	47	12	found	find	VERB
fis-170	47	13	on	on	ADP
fis-170	47	14	the	the	DET
fis-170	47	15	different	different	ADJ
fis-170	47	16	seized	seize	VERB
fis-170	47	17	systems	system	NOUN
fis-170	47	18	,	,	PUNCT
fis-170	47	19	it	it	PRON
fis-170	47	20	was	be	AUX
fis-170	47	21	decided	decide	VERB
fis-170	47	22	to	to	PART
fis-170	47	23	carry	carry	VERB
fis-170	47	24	out	out	ADP
fis-170	47	25	a	a	DET
fis-170	47	26	deep	deep	ADJ
fis-170	47	27	investigation	investigation	NOUN
fis-170	47	28	of	of	ADP
fis-170	47	29	the	the	DET
fis-170	47	30	problem	problem	NOUN
fis-170	47	31	.	.	PUNCT
fis-170	48	1	information	information	NOUN
fis-170	48	2	derived	derive	VERB
fis-170	48	3	from	from	ADP
fis-170	48	4	design	design	NOUN
fis-170	48	5	and	and	CCONJ
fis-170	48	6	service	service	NOUN
fis-170	48	7	data	datum	NOUN
fis-170	48	8	of	of	ADP
fis-170	48	9	the	the	DET
fis-170	48	10	system	system	NOUN
fis-170	48	11	has	have	AUX
fis-170	48	12	been	be	AUX
fis-170	48	13	related	relate	VERB
fis-170	48	14	to	to	ADP
fis-170	48	15	each	each	DET
fis-170	48	16	other	other	ADJ
fis-170	48	17	in	in	ADP
fis-170	48	18	order	order	NOUN
fis-170	48	19	to	to	PART
fis-170	48	20	clearly	clearly	ADV
fis-170	48	21	identify	identify	VERB
fis-170	48	22	the	the	DET
fis-170	48	23	type	type	NOUN
fis-170	48	24	of	of	ADP
fis-170	48	25	damage	damage	NOUN
fis-170	48	26	suffered	suffer	VERB
fis-170	48	27	by	by	ADP
fis-170	48	28	mechanical	mechanical	ADJ
fis-170	48	29	parts	part	NOUN
fis-170	48	30	and	and	CCONJ
fis-170	48	31	then	then	ADV
fis-170	48	32	find	find	VERB
fis-170	48	33	the	the	DET
fis-170	48	34	root	root	NOUN
fis-170	48	35	causes	cause	NOUN
fis-170	48	36	of	of	ADP
fis-170	48	37	failure	failure	NOUN
fis-170	48	38	to	to	PART
fis-170	48	39	define	define	VERB
fis-170	48	40	the	the	DET
fis-170	48	41	better	well	ADJ
fis-170	48	42	solution	solution	NOUN
fis-170	48	43	to	to	PART
fis-170	48	44	bring	bring	VERB
fis-170	48	45	back	back	ADV
fis-170	48	46	in	in	ADP
fis-170	48	47	safety	safety	NOUN
fis-170	48	48	the	the	DET
fis-170	48	49	whole	whole	ADJ
fis-170	48	50	system	system	NOUN
fis-170	48	51	.	.	PUNCT
fis-170	49	1	materials	material	NOUN
fis-170	49	2	and	and	CCONJ
fis-170	49	3	technique	technique	NOUN
fis-170	49	4	n	n	PRON
fis-170	49	5	order	order	NOUN
fis-170	49	6	to	to	PART
fis-170	49	7	identify	identify	VERB
fis-170	49	8	the	the	DET
fis-170	49	9	failure	failure	NOUN
fis-170	49	10	original	original	ADJ
fis-170	49	11	cause	cause	NOUN
fis-170	49	12	,	,	PUNCT
fis-170	49	13	two	two	NUM
fis-170	49	14	damaged	damaged	ADJ
fis-170	49	15	couples	couple	NOUN
fis-170	49	16	(	(	PUNCT
fis-170	49	17	nipple	nipple	NOUN
fis-170	49	18	-	-	PUNCT
fis-170	49	19	piston	piston	NOUN
fis-170	49	20	)	)	PUNCT
fis-170	49	21	and	and	CCONJ
fis-170	49	22	3	3	NUM
fis-170	49	23	spheres	sphere	NOUN
fis-170	49	24	of	of	ADP
fis-170	49	25	the	the	DET
fis-170	49	26	locking	locking	NOUN
fis-170	49	27	system	system	NOUN
fis-170	49	28	have	have	AUX
fis-170	49	29	been	be	AUX
fis-170	49	30	supplied	supply	VERB
fis-170	49	31	.	.	PUNCT
fis-170	50	1	the	the	DET
fis-170	50	2	materials	material	NOUN
fis-170	50	3	proposed	propose	VERB
fis-170	50	4	in	in	ADP
fis-170	50	5	the	the	DET
fis-170	50	6	design	design	NOUN
fis-170	50	7	for	for	ADP
fis-170	50	8	nipple	nipple	NOUN
fis-170	50	9	and	and	CCONJ
fis-170	50	10	piston	piston	NOUN
fis-170	50	11	is	be	AUX
fis-170	50	12	a	a	DET
fis-170	50	13	phss	phss	NOUN
fis-170	50	14	en	en	PROPN
fis-170	50	15	3358	3358	NUM
fis-170	50	16	(	(	PUNCT
fis-170	50	17	x3crnimoal	x3crnimoal	NOUN
fis-170	50	18	13	13	NUM
fis-170	50	19	-	-	SYM
fis-170	50	20	8	8	NUM
fis-170	50	21	-	-	PUNCT
fis-170	50	22	2	2	NUM
fis-170	50	23	)	)	PUNCT
fis-170	50	24	,	,	PUNCT
fis-170	50	25	a	a	DET
fis-170	50	26	din	din	NOUN
fis-170	50	27	standard	standard	ADJ
fis-170	50	28	stainless	stainless	ADJ
fis-170	50	29	steel	steel	NOUN
fis-170	50	30	commonly	commonly	ADV
fis-170	50	31	employed	employ	VERB
fis-170	50	32	in	in	ADP
fis-170	50	33	aerospace	aerospace	NOUN
fis-170	50	34	application	application	NOUN
fis-170	50	35	.	.	PUNCT
fis-170	51	1	the	the	DET
fis-170	51	2	locking	locking	NOUN
fis-170	51	3	spheres	sphere	NOUN
fis-170	51	4	are	be	AUX
fis-170	51	5	made	make	VERB
fis-170	51	6	in	in	ADP
fis-170	51	7	a	a	DET
fis-170	51	8	common	common	ADJ
fis-170	51	9	ipereuthectoidic	ipereuthectoidic	ADJ
fis-170	51	10	steel	steel	NOUN
fis-170	51	11	.	.	PUNCT
fis-170	52	1	all	all	DET
fis-170	52	2	components	component	NOUN
fis-170	52	3	supplied	supply	VERB
fis-170	52	4	were	be	AUX
fis-170	52	5	first	first	ADV
fis-170	52	6	subjected	subject	VERB
fis-170	52	7	to	to	ADP
fis-170	52	8	an	an	DET
fis-170	52	9	accurate	accurate	ADJ
fis-170	52	10	macroscopic	macroscopic	ADJ
fis-170	52	11	investigation	investigation	NOUN
fis-170	52	12	using	use	VERB
fis-170	52	13	a	a	DET
fis-170	52	14	stereo	stereo	ADJ
fis-170	52	15	microscope	microscope	NOUN
fis-170	52	16	.	.	PUNCT
fis-170	53	1	this	this	DET
fis-170	53	2	preliminary	preliminary	ADJ
fis-170	53	3	test	test	NOUN
fis-170	53	4	has	have	AUX
fis-170	53	5	initially	initially	ADV
fis-170	53	6	allowed	allow	VERB
fis-170	53	7	a	a	DET
fis-170	53	8	classification	classification	NOUN
fis-170	53	9	of	of	ADP
fis-170	53	10	the	the	DET
fis-170	53	11	detected	detect	VERB
fis-170	53	12	defects	defect	NOUN
fis-170	53	13	directing	direct	VERB
fis-170	53	14	the	the	DET
fis-170	53	15	next	next	ADJ
fis-170	53	16	steps	step	NOUN
fis-170	53	17	of	of	ADP
fis-170	53	18	cutting	cutting	NOUN
fis-170	53	19	and	and	CCONJ
fis-170	53	20	preparation	preparation	NOUN
fis-170	53	21	of	of	ADP
fis-170	53	22	samples	sample	NOUN
fis-170	53	23	of	of	ADP
fis-170	53	24	smaller	small	ADJ
fis-170	53	25	size	size	NOUN
fis-170	53	26	,	,	PUNCT
fis-170	53	27	suitable	suitable	ADJ
fis-170	53	28	for	for	ADP
fis-170	53	29	the	the	DET
fis-170	53	30	electron	electron	NOUN
fis-170	53	31	microscope	microscope	NOUN
fis-170	53	32	investigation	investigation	NOUN
fis-170	53	33	.	.	PUNCT
fis-170	54	1	the	the	DET
fis-170	54	2	cylindrical	cylindrical	ADJ
fis-170	54	3	part	part	NOUN
fis-170	54	4	and	and	CCONJ
fis-170	54	5	the	the	DET
fis-170	54	6	nipple	nipple	NOUN
fis-170	54	7	which	which	PRON
fis-170	54	8	were	be	AUX
fis-170	54	9	the	the	DET
fis-170	54	10	most	most	ADV
fis-170	54	11	damaged	damage	VERB
fis-170	54	12	have	have	AUX
fis-170	54	13	been	be	AUX
fis-170	54	14	selected	select	VERB
fis-170	54	15	as	as	ADP
fis-170	54	16	sample	sample	NOUN
fis-170	54	17	for	for	ADP
fis-170	54	18	the	the	DET
fis-170	54	19	electron	electron	NOUN
fis-170	54	20	microscope	microscope	NOUN
fis-170	54	21	.	.	PUNCT
fis-170	55	1	two	two	NUM
fis-170	55	2	smaller	small	ADJ
fis-170	55	3	samples	sample	NOUN
fis-170	55	4	were	be	AUX
fis-170	55	5	obtained	obtain	VERB
fis-170	55	6	from	from	ADP
fis-170	55	7	the	the	DET
fis-170	55	8	nipple	nipple	NOUN
fis-170	55	9	:	:	PUNCT
fis-170	55	10	one	one	NUM
fis-170	55	11	for	for	ADP
fis-170	55	12	the	the	DET
fis-170	55	13	inner	inner	ADJ
fis-170	55	14	surface	surface	NOUN
fis-170	55	15	electron	electron	NOUN
fis-170	55	16	microscope	microscope	NOUN
fis-170	55	17	inspection	inspection	NOUN
fis-170	55	18	.	.	PUNCT
fis-170	56	1	one	one	NUM
fis-170	56	2	for	for	ADP
fis-170	56	3	the	the	DET
fis-170	56	4	metallographic	metallographic	ADJ
fis-170	56	5	analysis	analysis	NOUN
fis-170	56	6	.	.	PUNCT
fis-170	57	1	four	four	NUM
fis-170	57	2	samples	sample	NOUN
fis-170	57	3	were	be	AUX
fis-170	57	4	obtained	obtain	VERB
fis-170	57	5	from	from	ADP
fis-170	57	6	the	the	DET
fis-170	57	7	piston	piston	NOUN
fis-170	57	8	:	:	PUNCT
fis-170	57	9	three	three	NUM
fis-170	57	10	used	use	VERB
fis-170	57	11	for	for	ADP
fis-170	57	12	the	the	DET
fis-170	57	13	surface	surface	NOUN
fis-170	57	14	analysis	analysis	NOUN
fis-170	57	15	(	(	PUNCT
fis-170	57	16	2	2	NUM
fis-170	57	17	from	from	ADP
fis-170	57	18	the	the	DET
fis-170	57	19	central	central	ADJ
fis-170	57	20	portion	portion	NOUN
fis-170	57	21	of	of	ADP
fis-170	57	22	the	the	DET
fis-170	57	23	piston	piston	NOUN
fis-170	57	24	,	,	PUNCT
fis-170	57	25	1	1	NUM
fis-170	57	26	including	include	VERB
fis-170	57	27	the	the	DET
fis-170	57	28	flaring	flaring	NOUN
fis-170	57	29	)	)	PUNCT
fis-170	57	30	.	.	PUNCT
fis-170	58	1	one	one	NUM
fis-170	58	2	for	for	ADP
fis-170	58	3	the	the	DET
fis-170	58	4	metallographic	metallographic	ADJ
fis-170	58	5	analysis	analysis	NOUN
fis-170	58	6	.	.	PUNCT
fis-170	59	1	the	the	DET
fis-170	59	2	samples	sample	NOUN
fis-170	59	3	to	to	PART
fis-170	59	4	be	be	AUX
fis-170	59	5	used	use	VERB
fis-170	59	6	for	for	ADP
fis-170	59	7	the	the	DET
fis-170	59	8	metallographic	metallographic	ADJ
fis-170	59	9	analysis	analysis	NOUN
fis-170	59	10	were	be	AUX
fis-170	59	11	first	first	ADV
fis-170	59	12	polished	polish	VERB
fis-170	59	13	with	with	ADP
fis-170	59	14	silicon	silicon	NOUN
fis-170	59	15	carbide	carbide	NOUN
fis-170	59	16	sheets	sheet	NOUN
fis-170	59	17	(	(	PUNCT
fis-170	59	18	sic	sic	ADJ
fis-170	59	19	,	,	PUNCT
fis-170	59	20	mesh	mesh	NOUN
fis-170	59	21	from	from	ADP
fis-170	59	22	120	120	NUM
fis-170	59	23	to	to	ADP
fis-170	59	24	2400	2400	NUM
fis-170	59	25	)	)	PUNCT
fis-170	59	26	and	and	CCONJ
fis-170	59	27	lapped	lap	VERB
fis-170	59	28	with	with	ADP
fis-170	59	29	an	an	DET
fis-170	59	30	alumina	alumina	NOUN
fis-170	59	31	suspension	suspension	NOUN
fis-170	59	32	(	(	PUNCT
fis-170	59	33	1m	1m	NOUN
fis-170	59	34	)	)	PUNCT
fis-170	59	35	,	,	PUNCT
fis-170	59	36	then	then	ADV
fis-170	59	37	cleaned	clean	VERB
fis-170	59	38	by	by	ADP
fis-170	59	39	means	mean	NOUN
fis-170	59	40	of	of	ADP
fis-170	59	41	ultrasonic	ultrasonic	ADJ
fis-170	59	42	bath	bath	NOUN
fis-170	59	43	in	in	ADP
fis-170	59	44	acetone	acetone	NOUN
fis-170	59	45	and	and	CCONJ
fis-170	59	46	finally	finally	ADV
fis-170	59	47	electrochemically	electrochemically	ADV
fis-170	59	48	etched	etch	VERB
fis-170	59	49	(	(	PUNCT
fis-170	59	50	oxalic	oxalic	NOUN
fis-170	59	51	acid	acid	NOUN
fis-170	59	52	10	10	NUM
fis-170	59	53	%	%	NOUN
fis-170	59	54	,	,	PUNCT
fis-170	59	55	3.9	3.9	NUM
fis-170	59	56	v	v	NOUN
fis-170	59	57	,	,	PUNCT
fis-170	59	58	2	2	NUM
fis-170	59	59	minutes	minute	NOUN
fis-170	59	60	)	)	PUNCT
fis-170	59	61	in	in	ADP
fis-170	59	62	order	order	NOUN
fis-170	59	63	to	to	PART
fis-170	59	64	reveal	reveal	VERB
fis-170	59	65	the	the	DET
fis-170	59	66	metal	metal	NOUN
fis-170	59	67	microstructure	microstructure	NOUN
fis-170	59	68	.	.	PUNCT
fis-170	60	1	these	these	DET
fis-170	60	2	samples	sample	NOUN
fis-170	60	3	were	be	AUX
fis-170	60	4	observed	observe	VERB
fis-170	60	5	at	at	ADP
fis-170	60	6	both	both	DET
fis-170	60	7	optical	optical	ADJ
fis-170	60	8	microscope	microscope	NOUN
fis-170	60	9	and	and	CCONJ
fis-170	60	10	scanning	scan	VERB
fis-170	60	11	electron	electron	NOUN
fis-170	60	12	microscope	microscope	NOUN
fis-170	60	13	so	so	SCONJ
fis-170	60	14	as	as	SCONJ
fis-170	60	15	to	to	PART
fis-170	60	16	study	study	VERB
fis-170	60	17	the	the	DET
fis-170	60	18	material	material	NOUN
fis-170	60	19	microstructure	microstructure	NOUN
fis-170	60	20	;	;	PUNCT
fis-170	60	21	on	on	ADP
fis-170	60	22	same	same	ADJ
fis-170	60	23	samples	sample	NOUN
fis-170	60	24	were	be	AUX
fis-170	60	25	also	also	ADV
fis-170	60	26	carried	carry	VERB
fis-170	60	27	out	out	ADP
fis-170	60	28	several	several	ADJ
fis-170	60	29	eds	ed	NOUN
fis-170	60	30	analysis	analysis	NOUN
fis-170	60	31	and	and	CCONJ
fis-170	60	32	vickers	vicker	NOUN
fis-170	60	33	hardness	hardness	INTJ
fis-170	60	34	(	(	PUNCT
fis-170	60	35	hv10	hv10	PROPN
fis-170	60	36	-	-	PUNCT
fis-170	60	37	15	15	NUM
fis-170	60	38	)	)	PUNCT
fis-170	60	39	,	,	PUNCT
fis-170	60	40	in	in	ADP
fis-170	60	41	order	order	NOUN
fis-170	60	42	to	to	PART
fis-170	60	43	obtain	obtain	VERB
fis-170	60	44	a	a	DET
fis-170	60	45	standard	standard	ADJ
fis-170	60	46	semi	semi	ADJ
fis-170	60	47	-	-	ADJ
fis-170	60	48	quantitative	quantitative	ADJ
fis-170	60	49	standard	standard	ADJ
fis-170	60	50	-	-	PUNCT
fis-170	60	51	less	less	ADJ
fis-170	60	52	analysis	analysis	NOUN
fis-170	60	53	and	and	CCONJ
fis-170	60	54	to	to	PART
fis-170	60	55	ensure	ensure	VERB
fis-170	60	56	its	its	PRON
fis-170	60	57	compliance	compliance	NOUN
fis-170	60	58	with	with	ADP
fis-170	60	59	design	design	NOUN
fis-170	60	60	requirements	requirement	NOUN
fis-170	60	61	.	.	PUNCT
fis-170	61	1	a	a	DET
fis-170	61	2	locking	locking	NOUN
fis-170	61	3	sphere	sphere	NOUN
fis-170	61	4	has	have	AUX
fis-170	61	5	been	be	AUX
fis-170	61	6	incorporated	incorporate	VERB
fis-170	61	7	in	in	ADP
fis-170	61	8	an	an	DET
fis-170	61	9	alluminium	alluminium	NOUN
fis-170	61	10	-	-	PUNCT
fis-170	61	11	filled	fill	VERB
fis-170	61	12	conductive	conductive	ADJ
fis-170	61	13	resin	resin	NOUN
fis-170	61	14	.	.	PUNCT
fis-170	62	1	the	the	DET
fis-170	62	2	obtained	obtain	VERB
fis-170	62	3	specimens	specimen	NOUN
fis-170	62	4	has	have	AUX
fis-170	62	5	been	be	AUX
fis-170	62	6	machined	machine	VERB
fis-170	62	7	in	in	ADP
fis-170	62	8	order	order	NOUN
fis-170	62	9	to	to	PART
fis-170	62	10	obtain	obtain	VERB
fis-170	62	11	a	a	DET
fis-170	62	12	section	section	NOUN
fis-170	62	13	of	of	ADP
fis-170	62	14	the	the	DET
fis-170	62	15	sphere	sphere	NOUN
fis-170	62	16	.	.	PUNCT
fis-170	63	1	the	the	DET
fis-170	63	2	specimen	speciman	NOUN
fis-170	63	3	has	have	AUX
fis-170	63	4	then	then	ADV
fis-170	63	5	been	be	AUX
fis-170	63	6	prepared	prepare	VERB
fis-170	63	7	for	for	ADP
fis-170	63	8	the	the	DET
fis-170	63	9	metallographic	metallographic	ADJ
fis-170	63	10	examination	examination	NOUN
fis-170	63	11	,	,	PUNCT
fis-170	63	12	polished	polish	VERB
fis-170	63	13	with	with	ADP
fis-170	63	14	silicon	silicon	NOUN
fis-170	63	15	carbide	carbide	NOUN
fis-170	63	16	sheets	sheet	NOUN
fis-170	63	17	and	and	CCONJ
fis-170	63	18	lapped	lap	VERB
fis-170	63	19	with	with	ADP
fis-170	63	20	alumina	alumina	NOUN
fis-170	63	21	suspension	suspension	NOUN
fis-170	63	22	,	,	PUNCT
fis-170	63	23	etched	etch	VERB
fis-170	63	24	with	with	ADP
fis-170	63	25	nital	nital	ADJ
fis-170	63	26	2	2	NUM
fis-170	63	27	for	for	ADP
fis-170	63	28	7	7	NUM
fis-170	63	29	seconds	second	NOUN
fis-170	63	30	in	in	ADP
fis-170	63	31	order	order	NOUN
fis-170	63	32	to	to	PART
fis-170	63	33	highlight	highlight	VERB
fis-170	63	34	the	the	DET
fis-170	63	35	steel	steel	NOUN
fis-170	63	36	microstructure	microstructure	NOUN
fis-170	63	37	.	.	PUNCT
fis-170	64	1	the	the	DET
fis-170	64	2	prepared	prepared	ADJ
fis-170	64	3	sample	sample	NOUN
fis-170	64	4	has	have	AUX
fis-170	64	5	been	be	AUX
fis-170	64	6	observed	observe	VERB
fis-170	64	7	both	both	CCONJ
fis-170	64	8	with	with	ADP
fis-170	64	9	optical	optical	ADJ
fis-170	64	10	and	and	CCONJ
fis-170	64	11	electronic	electronic	ADJ
fis-170	64	12	microscope	microscope	NOUN
fis-170	64	13	,	,	PUNCT
fis-170	64	14	analyzed	analyze	VERB
fis-170	64	15	with	with	ADP
fis-170	64	16	sem	sem	NOUN
fis-170	64	17	-	-	PUNCT
fis-170	64	18	eds	ed	NOUN
fis-170	64	19	.	.	PUNCT
fis-170	65	1	its	its	PRON
fis-170	65	2	vickers	vicker	NOUN
fis-170	65	3	hardness	hardness	NOUN
fis-170	65	4	(	(	PUNCT
fis-170	65	5	hv10	hv10	PROPN
fis-170	65	6	-	-	PUNCT
fis-170	65	7	15	15	NUM
fis-170	65	8	)	)	PUNCT
fis-170	65	9	has	have	AUX
fis-170	65	10	been	be	AUX
fis-170	65	11	measured	measure	VERB
fis-170	65	12	.	.	PUNCT
fis-170	66	1	macroscopic	macroscopic	ADJ
fis-170	66	2	examination	examination	NOUN
fis-170	66	3	he	he	PRON
fis-170	66	4	surface	surface	VERB
fis-170	66	5	defects	defect	NOUN
fis-170	66	6	observed	observe	VERB
fis-170	66	7	on	on	ADP
fis-170	66	8	all	all	DET
fis-170	66	9	the	the	DET
fis-170	66	10	provided	provide	VERB
fis-170	66	11	nipples	nipple	NOUN
fis-170	66	12	and	and	CCONJ
fis-170	66	13	pistons	piston	NOUN
fis-170	66	14	are	be	AUX
fis-170	66	15	referable	referable	ADJ
fis-170	66	16	to	to	PART
fis-170	66	17	wear	wear	VERB
fis-170	66	18	phenomena	phenomenon	NOUN
fis-170	66	19	.	.	PUNCT
fis-170	67	1	no	no	DET
fis-170	67	2	general	general	ADJ
fis-170	67	3	or	or	CCONJ
fis-170	67	4	localized	localized	ADJ
fis-170	67	5	corrosion	corrosion	NOUN
fis-170	67	6	evidences	evidence	NOUN
fis-170	67	7	have	have	AUX
fis-170	67	8	been	be	AUX
fis-170	67	9	identified	identify	VERB
fis-170	67	10	.	.	PUNCT
fis-170	68	1	in	in	ADP
fis-170	68	2	particular	particular	ADJ
fis-170	68	3	,	,	PUNCT
fis-170	68	4	the	the	DET
fis-170	68	5	following	follow	VERB
fis-170	68	6	defects	defect	NOUN
fis-170	68	7	have	have	AUX
fis-170	68	8	been	be	AUX
fis-170	68	9	identified	identify	VERB
fis-170	68	10	on	on	ADP
fis-170	68	11	the	the	DET
fis-170	68	12	surface	surface	NOUN
fis-170	68	13	of	of	ADP
fis-170	68	14	the	the	DET
fis-170	68	15	cylindrical	cylindrical	ADJ
fis-170	68	16	body	body	NOUN
fis-170	68	17	:	:	PUNCT
fis-170	68	18	series	series	NOUN
fis-170	68	19	of	of	ADP
fis-170	68	20	four	four	NUM
fis-170	68	21	equally	equally	ADV
fis-170	68	22	spaced	space	VERB
fis-170	68	23	(	(	PUNCT
fis-170	68	24	90	90	NUM
fis-170	68	25	°	°	NUM
fis-170	68	26	)	)	PUNCT
fis-170	68	27	circular	circular	ADJ
fis-170	68	28	impressions	impression	NOUN
fis-170	68	29	found	find	VERB
fis-170	68	30	on	on	ADP
fis-170	68	31	a	a	DET
fis-170	68	32	circumference	circumference	NOUN
fis-170	68	33	placed	place	VERB
fis-170	68	34	approximately	approximately	ADV
fis-170	68	35	in	in	ADP
fis-170	68	36	the	the	DET
fis-170	68	37	middle	middle	NOUN
fis-170	68	38	of	of	ADP
fis-170	68	39	the	the	DET
fis-170	68	40	central	central	ADJ
fis-170	68	41	portion	portion	NOUN
fis-170	68	42	,	,	PUNCT
fis-170	68	43	shown	show	VERB
fis-170	68	44	in	in	ADP
fis-170	68	45	fig	fig	NOUN
fis-170	68	46	.	.	PUNCT
fis-170	69	1	3	3	X
fis-170	69	2	.	.	X
fis-170	69	3	these	these	DET
fis-170	69	4	impressions	impression	NOUN
fis-170	69	5	have	have	AUX
fis-170	69	6	been	be	AUX
fis-170	69	7	produced	produce	VERB
fis-170	69	8	by	by	ADP
fis-170	69	9	the	the	DET
fis-170	69	10	spheres	sphere	NOUN
fis-170	69	11	of	of	ADP
fis-170	69	12	the	the	DET
fis-170	69	13	locking	locking	NOUN
fis-170	69	14	system	system	NOUN
fis-170	69	15	.	.	PUNCT
fis-170	70	1	on	on	ADP
fis-170	70	2	the	the	DET
fis-170	70	3	sample	sample	NOUN
fis-170	70	4	1	1	NUM
fis-170	70	5	the	the	DET
fis-170	70	6	spheres	sphere	NOUN
fis-170	70	7	impressions	impression	NOUN
fis-170	70	8	are	be	AUX
fis-170	70	9	regularly	regularly	ADV
fis-170	70	10	spaced	space	VERB
fis-170	70	11	;	;	PUNCT
fis-170	70	12	two	two	NUM
fis-170	70	13	of	of	ADP
fis-170	70	14	them	they	PRON
fis-170	70	15	(	(	PUNCT
fis-170	70	16	placed	place	VERB
fis-170	70	17	in	in	ADP
fis-170	70	18	diametrically	diametrically	ADV
fis-170	70	19	opposed	opposed	ADJ
fis-170	70	20	positions	position	NOUN
fis-170	70	21	)	)	PUNCT
fis-170	70	22	are	be	AUX
fis-170	70	23	particularly	particularly	ADV
fis-170	70	24	deep	deep	ADJ
fis-170	70	25	.	.	PUNCT
fis-170	71	1	on	on	ADP
fis-170	71	2	samples	sample	NOUN
fis-170	71	3	2	2	NUM
fis-170	71	4	there	there	PRON
fis-170	71	5	are	be	VERB
fis-170	71	6	four	four	NUM
fis-170	71	7	series	series	NOUN
fis-170	71	8	of	of	ADP
fis-170	71	9	impressions	impression	NOUN
fis-170	71	10	regularly	regularly	ADV
fis-170	71	11	spaced	space	VERB
fis-170	71	12	,	,	PUNCT
fis-170	71	13	each	each	DET
fis-170	71	14	set	set	NOUN
fis-170	71	15	of	of	ADP
fis-170	71	16	impressions	impression	NOUN
fis-170	71	17	covers	cover	VERB
fis-170	71	18	a	a	DET
fis-170	71	19	circular	circular	ADJ
fis-170	71	20	sector	sector	NOUN
fis-170	71	21	of	of	ADP
fis-170	71	22	about	about	ADV
fis-170	71	23	15	15	NUM
fis-170	71	24	°	°	NUM
fis-170	71	25	.	.	PUNCT
fis-170	72	1	these	these	DET
fis-170	72	2	circular	circular	ADJ
fis-170	72	3	impressions	impression	NOUN
fis-170	72	4	are	be	AUX
fis-170	72	5	clearly	clearly	ADV
fis-170	72	6	visible	visible	ADJ
fis-170	72	7	also	also	ADV
fis-170	72	8	on	on	ADP
fis-170	72	9	the	the	DET
fis-170	72	10	piston	piston	NOUN
fis-170	72	11	countersink	countersink	NOUN
fis-170	72	12	.	.	PUNCT
fis-170	73	1	deep	deep	ADJ
fis-170	73	2	wear	wear	NOUN
fis-170	73	3	grooves	groove	NOUN
fis-170	73	4	,	,	PUNCT
fis-170	73	5	which	which	PRON
fis-170	73	6	connect	connect	VERB
fis-170	73	7	the	the	DET
fis-170	73	8	impressions	impression	NOUN
fis-170	73	9	on	on	ADP
fis-170	73	10	the	the	DET
fis-170	73	11	countersink	countersink	NOUN
fis-170	73	12	and	and	CCONJ
fis-170	73	13	those	those	PRON
fis-170	73	14	on	on	ADP
fis-170	73	15	the	the	DET
fis-170	73	16	middle	middle	NOUN
fis-170	73	17	of	of	ADP
fis-170	73	18	the	the	DET
fis-170	73	19	sample	sample	NOUN
fis-170	73	20	(	(	PUNCT
fis-170	73	21	fig	fig	NOUN
fis-170	73	22	.	.	PUNCT
fis-170	74	1	3	3	NUM
fis-170	74	2	)	)	PUNCT
fis-170	74	3	.	.	PUNCT
fis-170	75	1	these	these	DET
fis-170	75	2	grooves	groove	NOUN
fis-170	75	3	run	run	VERB
fis-170	75	4	longitudinally	longitudinally	ADV
fis-170	75	5	along	along	ADP
fis-170	75	6	the	the	DET
fis-170	75	7	components	component	NOUN
fis-170	75	8	.	.	PUNCT
fis-170	76	1	the	the	DET
fis-170	76	2	material	material	NOUN
fis-170	76	3	inside	inside	ADP
fis-170	76	4	the	the	DET
fis-170	76	5	grooves	groove	NOUN
fis-170	76	6	seems	seem	VERB
fis-170	76	7	to	to	PART
fis-170	76	8	be	be	AUX
fis-170	76	9	plastically	plastically	ADV
fis-170	76	10	deformed	deform	VERB
fis-170	76	11	.	.	PUNCT
fis-170	77	1	the	the	DET
fis-170	77	2	grooves	groove	NOUN
fis-170	77	3	have	have	AUX
fis-170	77	4	been	be	AUX
fis-170	77	5	produced	produce	VERB
fis-170	77	6	by	by	ADP
fis-170	77	7	the	the	DET
fis-170	77	8	four	four	NUM
fis-170	77	9	spheres	sphere	NOUN
fis-170	77	10	of	of	ADP
fis-170	77	11	the	the	DET
fis-170	77	12	locking	locking	NOUN
fis-170	77	13	system	system	NOUN
fis-170	77	14	which	which	PRON
fis-170	77	15	rub	rub	VERB
fis-170	77	16	and	and	CCONJ
fis-170	77	17	scratch	scratch	VERB
fis-170	77	18	the	the	DET
fis-170	77	19	piston	piston	NOUN
fis-170	77	20	surface	surface	NOUN
fis-170	77	21	-during	-dure	VERB
fis-170	77	22	the	the	DET
fis-170	77	23	hatch	hatch	NOUN
fis-170	77	24	openingguided	openingguide	VERB
fis-170	77	25	by	by	ADP
fis-170	77	26	the	the	DET
fis-170	77	27	nipple	nipple	NOUN
fis-170	77	28	,	,	PUNCT
fis-170	77	29	held	hold	VERB
fis-170	77	30	down	down	ADP
fis-170	77	31	by	by	ADP
fis-170	77	32	the	the	DET
fis-170	77	33	external	external	ADJ
fis-170	77	34	bushing	bushing	NOUN
fis-170	77	35	.	.	PUNCT
fis-170	78	1	i	i	PRON
fis-170	78	2	t	t	PROPN
fis-170	78	3	http://www.gruppofrattura.it	http://www.gruppofrattura.it	PROPN
fis-170	79	1	http://dx.medra.org/10.3221/igf-esis.23.13&auth=true	http://dx.medra.org/10.3221/igf-esis.23.13&auth=true	PROPN
fis-170	79	2	f.	f.	PROPN
fis-170	79	3	felli	felli	PROPN
fis-170	79	4	et	et	PROPN
fis-170	79	5	alii	alii	PROPN
fis-170	79	6	,	,	PUNCT
fis-170	79	7	frattura	frattura	PROPN
fis-170	79	8	ed	ed	PROPN
fis-170	79	9	integrità	integrità	PROPN
fis-170	79	10	strutturale	strutturale	PROPN
fis-170	79	11	,	,	PUNCT
fis-170	79	12	23	23	NUM
fis-170	79	13	(	(	PUNCT
fis-170	79	14	2013	2013	NUM
fis-170	79	15	)	)	PUNCT
fis-170	79	16	127	127	NUM
fis-170	79	17	-	-	SYM
fis-170	79	18	135	135	NUM
fis-170	79	19	;	;	PUNCT
fis-170	79	20	doi	doi	NOUN
fis-170	79	21	:	:	PUNCT
fis-170	79	22	10.3221	10.3221	NUM
fis-170	79	23	/	/	SYM
fis-170	79	24	igf	igf	PROPN
fis-170	79	25	-	-	PUNCT
fis-170	79	26	esis.23.13	esis.23.13	PROPN
fis-170	79	27	130	130	NUM
fis-170	79	28	figure	figure	NOUN
fis-170	79	29	3	3	NUM
fis-170	79	30	:	:	PUNCT
fis-170	79	31	sample	sample	NOUN
fis-170	79	32	1	1	NUM
fis-170	79	33	,	,	PUNCT
fis-170	79	34	piston	piston	NOUN
fis-170	79	35	,	,	PUNCT
fis-170	79	36	longitudinal	longitudinal	ADJ
fis-170	79	37	wear	wear	VERB
fis-170	79	38	groove	groove	NOUN
fis-170	79	39	starting	start	VERB
fis-170	79	40	from	from	ADP
fis-170	79	41	one	one	NUM
fis-170	79	42	of	of	ADP
fis-170	79	43	the	the	DET
fis-170	79	44	circular	circular	ADJ
fis-170	79	45	impressions	impression	NOUN
fis-170	79	46	.	.	PUNCT
fis-170	80	1	figure	figure	VERB
fis-170	80	2	4	4	NUM
fis-170	80	3	:	:	PUNCT
fis-170	80	4	sample	sample	NOUN
fis-170	80	5	1	1	NUM
fis-170	80	6	,	,	PUNCT
fis-170	80	7	piston	piston	NOUN
fis-170	80	8	,	,	PUNCT
fis-170	80	9	scored	score	VERB
fis-170	80	10	area	area	NOUN
fis-170	80	11	in	in	ADP
fis-170	80	12	the	the	DET
fis-170	80	13	central	central	ADJ
fis-170	80	14	part	part	NOUN
fis-170	80	15	of	of	ADP
fis-170	80	16	the	the	DET
fis-170	80	17	component	component	NOUN
fis-170	80	18	.	.	PUNCT
fis-170	81	1	figure	figure	NOUN
fis-170	81	2	5	5	NUM
fis-170	81	3	:	:	PUNCT
fis-170	81	4	sample	sample	NOUN
fis-170	81	5	1	1	NUM
fis-170	81	6	,	,	PUNCT
fis-170	81	7	piston	piston	NOUN
fis-170	81	8	,	,	PUNCT
fis-170	81	9	helicoidal	helicoidal	ADJ
fis-170	81	10	impressions	impression	NOUN
fis-170	81	11	produced	produce	VERB
fis-170	81	12	by	by	ADP
fis-170	81	13	the	the	DET
fis-170	81	14	spring	spring	NOUN
fis-170	81	15	.	.	PUNCT
fis-170	82	1	longitudinal	longitudinal	ADJ
fis-170	82	2	wear	wear	VERB
fis-170	82	3	grooves	groove	NOUN
fis-170	82	4	placed	place	VERB
fis-170	82	5	in	in	ADP
fis-170	82	6	other	other	ADJ
fis-170	82	7	areas	area	NOUN
fis-170	82	8	of	of	ADP
fis-170	82	9	the	the	DET
fis-170	82	10	piston	piston	NOUN
fis-170	82	11	.	.	PUNCT
fis-170	83	1	however	however	ADV
fis-170	83	2	they	they	PRON
fis-170	83	3	are	be	AUX
fis-170	83	4	concentrated	concentrate	VERB
fis-170	83	5	on	on	ADP
fis-170	83	6	the	the	DET
fis-170	83	7	sides	side	NOUN
fis-170	83	8	of	of	ADP
fis-170	83	9	the	the	DET
fis-170	83	10	piston	piston	NOUN
fis-170	83	11	where	where	SCONJ
fis-170	83	12	the	the	DET
fis-170	83	13	nipple	nipple	NOUN
fis-170	83	14	slides	slide	VERB
fis-170	83	15	,	,	PUNCT
fis-170	83	16	fig	fig	NOUN
fis-170	83	17	.	.	PUNCT
fis-170	84	1	4	4	NUM
fis-170	84	2	shows	show	VERB
fis-170	84	3	a	a	DET
fis-170	84	4	magnification	magnification	NOUN
fis-170	84	5	of	of	ADP
fis-170	84	6	this	this	DET
fis-170	84	7	area	area	NOUN
fis-170	84	8	.	.	PUNCT
fis-170	85	1	longitudinal	longitudinal	ADJ
fis-170	85	2	wear	wear	VERB
fis-170	85	3	grooves	groove	NOUN
fis-170	85	4	placed	place	VERB
fis-170	85	5	in	in	ADP
fis-170	85	6	other	other	ADJ
fis-170	85	7	areas	area	NOUN
fis-170	85	8	of	of	ADP
fis-170	85	9	the	the	DET
fis-170	85	10	piston	piston	NOUN
fis-170	85	11	.	.	PUNCT
fis-170	86	1	however	however	ADV
fis-170	86	2	they	they	PRON
fis-170	86	3	are	be	AUX
fis-170	86	4	concentrated	concentrate	VERB
fis-170	86	5	on	on	ADP
fis-170	86	6	the	the	DET
fis-170	86	7	sides	side	NOUN
fis-170	86	8	of	of	ADP
fis-170	86	9	the	the	DET
fis-170	86	10	piston	piston	NOUN
fis-170	86	11	where	where	SCONJ
fis-170	86	12	the	the	DET
fis-170	86	13	nipple	nipple	NOUN
fis-170	86	14	slides	slide	VERB
fis-170	86	15	.	.	PUNCT
fis-170	87	1	a	a	DET
fis-170	87	2	deep	deep	ADJ
fis-170	87	3	scored	score	VERB
fis-170	87	4	area	area	NOUN
fis-170	87	5	(	(	PUNCT
fis-170	87	6	fig	fig	NOUN
fis-170	87	7	.	.	PUNCT
fis-170	87	8	4	4	NUM
fis-170	87	9	)	)	PUNCT
fis-170	87	10	placed	place	VERB
fis-170	87	11	in	in	ADP
fis-170	87	12	the	the	DET
fis-170	87	13	central	central	ADJ
fis-170	87	14	zone	zone	NOUN
fis-170	87	15	of	of	ADP
fis-170	87	16	the	the	DET
fis-170	87	17	pistons	piston	NOUN
fis-170	87	18	near	near	ADP
fis-170	87	19	the	the	DET
fis-170	87	20	circular	circular	ADJ
fis-170	87	21	impressions	impression	NOUN
fis-170	87	22	.	.	PUNCT
fis-170	88	1	in	in	ADP
fis-170	88	2	this	this	DET
fis-170	88	3	area	area	NOUN
fis-170	88	4	lubricant	lubricant	NOUN
fis-170	88	5	traces	trace	NOUN
fis-170	88	6	has	have	AUX
fis-170	88	7	been	be	AUX
fis-170	88	8	found	find	VERB
fis-170	88	9	.	.	PUNCT
fis-170	89	1	from	from	ADP
fis-170	89	2	this	this	DET
fis-170	89	3	zone	zone	NOUN
fis-170	89	4	deep	deep	ADV
fis-170	89	5	wear	wear	VERB
fis-170	89	6	longitudinal	longitudinal	ADJ
fis-170	89	7	grooves	groove	NOUN
fis-170	89	8	run	run	VERB
fis-170	89	9	towards	towards	ADP
fis-170	89	10	the	the	DET
fis-170	89	11	countersink	countersink	NOUN
fis-170	89	12	.	.	PUNCT
fis-170	90	1	http://www.gruppofrattura.it	http://www.gruppofrattura.it	PROPN
fis-170	90	2	http://dx.medra.org/10.3221/igf-esis.23.13&auth=true	http://dx.medra.org/10.3221/igf-esis.23.13&auth=true	PROPN
fis-170	90	3	f.	f.	PROPN
fis-170	90	4	felli	felli	PROPN
fis-170	90	5	et	et	PROPN
fis-170	90	6	alii	alii	PROPN
fis-170	90	7	,	,	PUNCT
fis-170	90	8	frattura	frattura	PROPN
fis-170	90	9	ed	ed	PROPN
fis-170	90	10	integrità	integrità	PROPN
fis-170	90	11	strutturale	strutturale	PROPN
fis-170	90	12	,	,	PUNCT
fis-170	90	13	23	23	NUM
fis-170	90	14	(	(	PUNCT
fis-170	90	15	2013	2013	NUM
fis-170	90	16	)	)	PUNCT
fis-170	90	17	127	127	NUM
fis-170	90	18	-	-	SYM
fis-170	90	19	135	135	NUM
fis-170	90	20	;	;	PUNCT
fis-170	90	21	doi	doi	NOUN
fis-170	90	22	:	:	PUNCT
fis-170	90	23	10.3221	10.3221	NUM
fis-170	90	24	/	/	SYM
fis-170	90	25	igf	igf	PROPN
fis-170	90	26	-	-	PROPN
fis-170	90	27	esis.23.13	esis.23.13	PROPN
fis-170	90	28	131	131	NUM
fis-170	90	29	deep	deep	ADJ
fis-170	90	30	helicoidal	helicoidal	ADJ
fis-170	90	31	grooves	groove	NOUN
fis-170	90	32	placed	place	VERB
fis-170	90	33	in	in	ADP
fis-170	90	34	the	the	DET
fis-170	90	35	central	central	ADJ
fis-170	90	36	portion	portion	NOUN
fis-170	90	37	of	of	ADP
fis-170	90	38	the	the	DET
fis-170	90	39	piston	piston	NOUN
fis-170	90	40	body	body	NOUN
fis-170	90	41	,	,	PUNCT
fis-170	90	42	near	near	ADP
fis-170	90	43	the	the	DET
fis-170	90	44	flange	flange	NOUN
fis-170	90	45	.	.	PUNCT
fis-170	91	1	these	these	DET
fis-170	91	2	grooves	groove	NOUN
fis-170	91	3	have	have	AUX
fis-170	91	4	been	be	AUX
fis-170	91	5	produced	produce	VERB
fis-170	91	6	by	by	ADP
fis-170	91	7	the	the	DET
fis-170	91	8	pressure	pressure	NOUN
fis-170	91	9	of	of	ADP
fis-170	91	10	the	the	DET
fis-170	91	11	spring	spring	NOUN
fis-170	91	12	,	,	PUNCT
fis-170	91	13	fig	fig	NOUN
fis-170	91	14	.	.	PUNCT
fis-170	92	1	5	5	X
fis-170	92	2	.	.	X
fis-170	92	3	light	light	ADJ
fis-170	92	4	helicoidal	helicoidal	ADJ
fis-170	92	5	grooves	groove	NOUN
fis-170	92	6	produce	produce	VERB
fis-170	92	7	by	by	ADP
fis-170	92	8	the	the	DET
fis-170	92	9	machining	machining	NOUN
fis-170	92	10	.	.	PUNCT
fis-170	93	1	longitudinal	longitudinal	ADJ
fis-170	93	2	grooves	groove	NOUN
fis-170	93	3	are	be	AUX
fis-170	93	4	clearly	clearly	ADV
fis-170	93	5	visible	visible	ADJ
fis-170	93	6	on	on	ADP
fis-170	93	7	the	the	DET
fis-170	93	8	internal	internal	ADJ
fis-170	93	9	surface	surface	NOUN
fis-170	93	10	of	of	ADP
fis-170	93	11	the	the	DET
fis-170	93	12	nipples	nipple	NOUN
fis-170	93	13	.	.	PUNCT
fis-170	94	1	these	these	DET
fis-170	94	2	grooves	groove	NOUN
fis-170	94	3	are	be	AUX
fis-170	94	4	placed	place	VERB
fis-170	94	5	only	only	ADV
fis-170	94	6	in	in	ADP
fis-170	94	7	the	the	DET
fis-170	94	8	areas	area	NOUN
fis-170	94	9	where	where	SCONJ
fis-170	94	10	the	the	DET
fis-170	94	11	piston	piston	NOUN
fis-170	94	12	slides	slide	VERB
fis-170	94	13	.	.	PUNCT
fis-170	95	1	in	in	ADP
fis-170	95	2	particular	particular	ADJ
fis-170	95	3	the	the	DET
fis-170	95	4	sample	sample	NOUN
fis-170	95	5	4	4	NUM
fis-170	95	6	shows	show	VERB
fis-170	95	7	two	two	NUM
fis-170	95	8	deep	deep	ADJ
fis-170	95	9	wear	wear	NOUN
fis-170	95	10	grooves	groove	NOUN
fis-170	95	11	(	(	PUNCT
fis-170	95	12	characterized	characterize	VERB
fis-170	95	13	by	by	ADP
fis-170	95	14	deeply	deeply	ADV
fis-170	95	15	deformed	deform	VERB
fis-170	95	16	material	material	NOUN
fis-170	95	17	)	)	PUNCT
fis-170	95	18	which	which	PRON
fis-170	95	19	are	be	AUX
fis-170	95	20	located	locate	VERB
fis-170	95	21	approximately	approximately	ADV
fis-170	95	22	in	in	ADP
fis-170	95	23	the	the	DET
fis-170	95	24	middle	middle	NOUN
fis-170	95	25	between	between	ADP
fis-170	95	26	two	two	NUM
fis-170	95	27	holes	hole	NOUN
fis-170	95	28	and	and	CCONJ
fis-170	95	29	which	which	PRON
fis-170	95	30	are	be	AUX
fis-170	95	31	spaced	space	VERB
fis-170	95	32	180	180	NUM
fis-170	95	33	°	°	NOUN
fis-170	95	34	(	(	PUNCT
fis-170	95	35	diametrically	diametrically	ADV
fis-170	95	36	opposed	opposed	ADJ
fis-170	95	37	)	)	PUNCT
fis-170	95	38	one	one	NUM
fis-170	95	39	of	of	ADP
fis-170	95	40	them	they	PRON
fis-170	95	41	is	be	AUX
fis-170	95	42	shown	show	VERB
fis-170	95	43	in	in	ADP
fis-170	95	44	fig	fig	NOUN
fis-170	95	45	.	.	PUNCT
fis-170	96	1	6	6	NUM
fis-170	96	2	.	.	X
fis-170	96	3	on	on	ADP
fis-170	96	4	the	the	DET
fis-170	96	5	internal	internal	ADJ
fis-170	96	6	nipple	nipple	NOUN
fis-170	96	7	surface	surface	NOUN
fis-170	96	8	and	and	CCONJ
fis-170	96	9	inside	inside	ADP
fis-170	96	10	the	the	DET
fis-170	96	11	4	4	NUM
fis-170	96	12	holes	hole	NOUN
fis-170	96	13	dark	dark	ADJ
fis-170	96	14	residues	residue	NOUN
fis-170	96	15	of	of	ADP
fis-170	96	16	lubricant	lubricant	NOUN
fis-170	96	17	have	have	AUX
fis-170	96	18	been	be	AUX
fis-170	96	19	observed	observe	VERB
fis-170	96	20	.	.	PUNCT
fis-170	97	1	some	some	DET
fis-170	97	2	samples	sample	NOUN
fis-170	97	3	of	of	ADP
fis-170	97	4	this	this	DET
fis-170	97	5	grease	grease	NOUN
fis-170	97	6	have	have	AUX
fis-170	97	7	been	be	AUX
fis-170	97	8	taken	take	VERB
fis-170	97	9	in	in	ADP
fis-170	97	10	order	order	NOUN
fis-170	97	11	to	to	PART
fis-170	97	12	analyze	analyze	VERB
fis-170	97	13	them	they	PRON
fis-170	97	14	with	with	ADP
fis-170	97	15	sem	sem	NOUN
fis-170	97	16	-	-	PUNCT
fis-170	97	17	eds	ed	NOUN
fis-170	97	18	.	.	PUNCT
fis-170	98	1	figure	figure	NOUN
fis-170	98	2	6	6	NUM
fis-170	98	3	:	:	PUNCT
fis-170	98	4	sample	sample	NOUN
fis-170	98	5	4	4	NUM
fis-170	98	6	,	,	PUNCT
fis-170	98	7	nipple	nipple	NOUN
fis-170	98	8	,	,	PUNCT
fis-170	98	9	internal	internal	ADJ
fis-170	98	10	surface	surface	NOUN
fis-170	98	11	of	of	ADP
fis-170	98	12	the	the	DET
fis-170	98	13	nipple	nipple	NOUN
fis-170	98	14	with	with	ADP
fis-170	98	15	two	two	NUM
fis-170	98	16	of	of	ADP
fis-170	98	17	4	4	NUM
fis-170	98	18	holes	hole	NOUN
fis-170	98	19	and	and	CCONJ
fis-170	98	20	lubricant	lubricant	NOUN
fis-170	98	21	traces	trace	NOUN
fis-170	98	22	.	.	PUNCT
fis-170	99	1	material	material	NOUN
fis-170	99	2	microstruture	microstruture	VERB
fis-170	99	3	he	he	PRON
fis-170	99	4	eds	ed	VERB
fis-170	99	5	analysis	analysis	NOUN
fis-170	99	6	carried	carry	VERB
fis-170	99	7	out	out	ADP
fis-170	99	8	on	on	ADP
fis-170	99	9	the	the	DET
fis-170	99	10	samples	sample	NOUN
fis-170	99	11	-cut	-cut	VERB
fis-170	99	12	from	from	ADP
fis-170	99	13	the	the	DET
fis-170	99	14	piston	piston	NOUN
fis-170	99	15	and	and	CCONJ
fis-170	99	16	from	from	ADP
fis-170	99	17	the	the	DET
fis-170	99	18	nippleshow	nippleshow	ADJ
fis-170	99	19	that	that	SCONJ
fis-170	99	20	they	they	PRON
fis-170	99	21	are	be	AUX
fis-170	99	22	made	make	VERB
fis-170	99	23	of	of	ADP
fis-170	99	24	the	the	DET
fis-170	99	25	same	same	ADJ
fis-170	99	26	steel	steel	NOUN
fis-170	99	27	.	.	PUNCT
fis-170	100	1	it	it	PRON
fis-170	100	2	is	be	AUX
fis-170	100	3	a	a	DET
fis-170	100	4	steel	steel	NOUN
fis-170	100	5	highly	highly	ADV
fis-170	100	6	alloyed	alloy	VERB
fis-170	100	7	with	with	ADP
fis-170	100	8	cr	cr	PROPN
fis-170	100	9	,	,	PUNCT
fis-170	100	10	ni	ni	PROPN
fis-170	100	11	,	,	PUNCT
fis-170	100	12	mo	mo	PROPN
fis-170	100	13	and	and	CCONJ
fis-170	100	14	al	al	PROPN
fis-170	100	15	.	.	PUNCT
fis-170	101	1	the	the	DET
fis-170	101	2	average	average	ADJ
fis-170	101	3	compositions	composition	NOUN
fis-170	101	4	of	of	ADP
fis-170	101	5	the	the	DET
fis-170	101	6	piston	piston	NOUN
fis-170	101	7	alloy	alloy	NOUN
fis-170	101	8	(	(	PUNCT
fis-170	101	9	sample	sample	NOUN
fis-170	101	10	1d	1d	NUM
fis-170	101	11	)	)	PUNCT
fis-170	101	12	and	and	CCONJ
fis-170	101	13	of	of	ADP
fis-170	101	14	the	the	DET
fis-170	101	15	nipple	nipple	NOUN
fis-170	101	16	alloy	alloy	NOUN
fis-170	101	17	are	be	AUX
fis-170	101	18	resumed	resume	VERB
fis-170	101	19	in	in	ADP
fis-170	101	20	tab	tab	NOUN
fis-170	101	21	.	.	PUNCT
fis-170	102	1	1	1	X
fis-170	102	2	.	.	PUNCT
fis-170	103	1	the	the	DET
fis-170	103	2	vickers	vicker	NOUN
fis-170	103	3	hardness	hardness	NOUN
fis-170	103	4	(	(	PUNCT
fis-170	103	5	hv10	hv10	PROPN
fis-170	103	6	-	-	PUNCT
fis-170	103	7	15	15	NUM
fis-170	103	8	)	)	PUNCT
fis-170	103	9	measured	measure	VERB
fis-170	103	10	values	value	NOUN
fis-170	103	11	are	be	AUX
fis-170	103	12	:	:	PUNCT
fis-170	103	13	450	450	NUM
fis-170	103	14	for	for	ADP
fis-170	103	15	the	the	DET
fis-170	103	16	piston	piston	NOUN
fis-170	103	17	,	,	PUNCT
fis-170	103	18	457	457	NUM
fis-170	103	19	for	for	ADP
fis-170	103	20	the	the	DET
fis-170	103	21	nipple	nipple	NOUN
fis-170	103	22	.	.	PUNCT
fis-170	104	1	fig	fig	NOUN
fis-170	104	2	.	.	PUNCT
fis-170	105	1	7	7	NUM
fis-170	105	2	shows	show	VERB
fis-170	105	3	an	an	DET
fis-170	105	4	optical	optical	ADJ
fis-170	105	5	micrograph	micrograph	NOUN
fis-170	105	6	of	of	ADP
fis-170	105	7	the	the	DET
fis-170	105	8	material	material	NOUN
fis-170	105	9	microstructure	microstructure	NOUN
fis-170	105	10	.	.	PUNCT
fis-170	106	1	it	it	PRON
fis-170	106	2	is	be	AUX
fis-170	106	3	characterized	characterize	VERB
fis-170	106	4	by	by	ADP
fis-170	106	5	a	a	DET
fis-170	106	6	fine	fine	ADJ
fis-170	106	7	and	and	CCONJ
fis-170	106	8	regular	regular	ADJ
fis-170	106	9	biphasic	biphasic	ADJ
fis-170	106	10	structure	structure	NOUN
fis-170	106	11	with	with	ADP
fis-170	106	12	primary	primary	ADJ
fis-170	106	13	austenitic	austenitic	ADJ
fis-170	106	14	grain	grain	NOUN
fis-170	106	15	surrounded	surround	VERB
fis-170	106	16	by	by	ADP
fis-170	106	17	martensite	martensite	NOUN
fis-170	106	18	.	.	PUNCT
fis-170	107	1			PROPN
fis-170	107	2	al	al	PROPN
fis-170	107	3	-	-	PUNCT
fis-170	107	4	ni	ni	PROPN
fis-170	107	5	dark	dark	ADJ
fis-170	107	6	precipitates	precipitate	NOUN
fis-170	107	7	are	be	AUX
fis-170	107	8	locally	locally	ADV
fis-170	107	9	observed	observe	VERB
fis-170	107	10	.	.	PUNCT
fis-170	108	1	al	al	PROPN
fis-170	108	2	cr	cr	PROPN
fis-170	108	3	fe	fe	PROPN
fis-170	108	4	ni	ni	PROPN
fis-170	108	5	mo	mo	PROPN
fis-170	108	6	hv10	hv10	PROPN
fis-170	108	7	-	-	PUNCT
fis-170	108	8	15	15	NUM
fis-170	108	9	sample	sample	NOUN
fis-170	108	10	1d	1d	NUM
fis-170	108	11	0.65	0.65	NUM
fis-170	108	12	12.87	12.87	NUM
fis-170	108	13	76.65	76.65	NUM
fis-170	108	14	8.06	8.06	NUM
fis-170	108	15	1.77	1.77	NUM
fis-170	108	16	450	450	NUM
fis-170	108	17	sample	sample	NOUN
fis-170	108	18	4c	4c	NOUN
fis-170	108	19	0.60	0.60	NUM
fis-170	108	20	12.66	12.66	NUM
fis-170	108	21	76.70	76.70	NUM
fis-170	108	22	8.44	8.44	NUM
fis-170	108	23	1.90	1.90	NUM
fis-170	108	24	457	457	NUM
fis-170	108	25	table	table	NOUN
fis-170	108	26	1	1	NUM
fis-170	108	27	:	:	PUNCT
fis-170	108	28	chemical	chemical	NOUN
fis-170	108	29	composition	composition	NOUN
fis-170	108	30	(	(	PUNCT
fis-170	108	31	%	%	INTJ
fis-170	108	32	wt	wt	NOUN
fis-170	108	33	)	)	PUNCT
fis-170	108	34	and	and	CCONJ
fis-170	108	35	vickers	vicker	NOUN
fis-170	108	36	hardness	hardness	ADV
fis-170	108	37	of	of	ADP
fis-170	108	38	piston	piston	NOUN
fis-170	108	39	(	(	PUNCT
fis-170	108	40	sample	sample	NOUN
fis-170	108	41	1	1	NUM
fis-170	108	42	)	)	PUNCT
fis-170	108	43	and	and	CCONJ
fis-170	108	44	nipple	nipple	NOUN
fis-170	108	45	(	(	PUNCT
fis-170	108	46	sample	sample	NOUN
fis-170	108	47	4	4	NUM
fis-170	108	48	)	)	PUNCT
fis-170	108	49	.	.	PUNCT
fis-170	109	1	figure	figure	VERB
fis-170	109	2	7	7	NUM
fis-170	109	3	:	:	PUNCT
fis-170	109	4	microstructure	microstructure	NOUN
fis-170	109	5	of	of	ADP
fis-170	109	6	the	the	DET
fis-170	109	7	ph	ph	ADJ
fis-170	109	8	stainless	stainless	ADJ
fis-170	109	9	steel	steel	NOUN
fis-170	109	10	employed	employ	VERB
fis-170	109	11	(	(	PUNCT
fis-170	109	12	piston	piston	NOUN
fis-170	109	13	and	and	CCONJ
fis-170	109	14	nipple	nipple	NOUN
fis-170	109	15	)	)	PUNCT
fis-170	109	16	.	.	PUNCT
fis-170	110	1	t	t	PROPN
fis-170	110	2	http://www.gruppofrattura.it	http://www.gruppofrattura.it	PROPN
fis-170	110	3	http://dx.medra.org/10.3221/igf-esis.23.13&auth=true	http://dx.medra.org/10.3221/igf-esis.23.13&auth=true	PROPN
fis-170	110	4	f.	f.	PROPN
fis-170	110	5	felli	felli	PROPN
fis-170	110	6	et	et	PROPN
fis-170	110	7	alii	alii	PROPN
fis-170	110	8	,	,	PUNCT
fis-170	110	9	frattura	frattura	PROPN
fis-170	110	10	ed	ed	PROPN
fis-170	110	11	integrità	integrità	PROPN
fis-170	110	12	strutturale	strutturale	PROPN
fis-170	110	13	,	,	PUNCT
fis-170	110	14	23	23	NUM
fis-170	110	15	(	(	PUNCT
fis-170	110	16	2013	2013	NUM
fis-170	110	17	)	)	PUNCT
fis-170	110	18	127	127	NUM
fis-170	110	19	-	-	SYM
fis-170	110	20	135	135	NUM
fis-170	110	21	;	;	PUNCT
fis-170	110	22	doi	doi	NOUN
fis-170	110	23	:	:	PUNCT
fis-170	110	24	10.3221	10.3221	NUM
fis-170	110	25	/	/	SYM
fis-170	110	26	igf	igf	PROPN
fis-170	110	27	-	-	PUNCT
fis-170	110	28	esis.23.13	esis.23.13	PROPN
fis-170	110	29	132	132	NUM
fis-170	110	30	this	this	DET
fis-170	110	31	material	material	NOUN
fis-170	110	32	is	be	AUX
fis-170	110	33	a	a	DET
fis-170	110	34	phss	phss	NOUN
fis-170	110	35	,	,	PUNCT
fis-170	110	36	similar	similar	ADJ
fis-170	110	37	to	to	ADP
fis-170	110	38	the	the	DET
fis-170	110	39	13	13	NUM
fis-170	110	40	-	-	SYM
fis-170	110	41	8	8	NUM
fis-170	110	42	ph	ph	NOUN
fis-170	110	43	.	.	PUNCT
fis-170	111	1	it	it	PRON
fis-170	111	2	is	be	AUX
fis-170	111	3	an	an	DET
fis-170	111	4	high	high	ADJ
fis-170	111	5	strength	strength	NOUN
fis-170	111	6	steel	steel	NOUN
fis-170	111	7	usually	usually	ADV
fis-170	111	8	heat	heat	VERB
fis-170	111	9	treated	treat	VERB
fis-170	111	10	with	with	ADP
fis-170	111	11	an	an	DET
fis-170	111	12	homogenization	homogenization	NOUN
fis-170	111	13	step	step	NOUN
fis-170	111	14	at	at	ADP
fis-170	111	15	temperature	temperature	NOUN
fis-170	111	16	above	above	ADP
fis-170	111	17	1000	1000	NUM
fis-170	111	18	°	°	NOUN
fis-170	111	19	c	c	NOUN
fis-170	111	20	,	,	PUNCT
fis-170	111	21	for	for	ADP
fis-170	111	22	1.5	1.5	NUM
fis-170	111	23	hours	hour	NOUN
fis-170	111	24	,	,	PUNCT
fis-170	111	25	cooled	cool	VERB
fis-170	111	26	and	and	CCONJ
fis-170	111	27	then	then	ADV
fis-170	111	28	aged	aged	ADJ
fis-170	111	29	at	at	ADP
fis-170	111	30	temperature	temperature	NOUN
fis-170	111	31	ranging	range	VERB
fis-170	111	32	from	from	ADP
fis-170	111	33	510	510	NUM
fis-170	111	34	to	to	ADP
fis-170	111	35	760	760	NUM
fis-170	111	36	°	°	NOUN
fis-170	111	37	c	c	X
fis-170	111	38	(	(	PUNCT
fis-170	111	39	high	high	ADJ
fis-170	111	40	strengths	strength	NOUN
fis-170	111	41	have	have	AUX
fis-170	111	42	been	be	AUX
fis-170	111	43	obtained	obtain	VERB
fis-170	111	44	with	with	ADP
fis-170	111	45	low	low	ADJ
fis-170	111	46	aging	age	VERB
fis-170	111	47	temperature	temperature	NOUN
fis-170	111	48	)	)	PUNCT
fis-170	111	49	.	.	PUNCT
fis-170	112	1	the	the	DET
fis-170	112	2	high	high	ADJ
fis-170	112	3	hardness	hardness	ADJ
fis-170	112	4	values	value	NOUN
fis-170	112	5	measured	measure	VERB
fis-170	112	6	are	be	AUX
fis-170	112	7	obtained	obtain	VERB
fis-170	112	8	with	with	ADP
fis-170	112	9	low	low	ADJ
fis-170	112	10	temperature	temperature	NOUN
fis-170	112	11	aging	age	VERB
fis-170	112	12	treatment	treatment	NOUN
fis-170	112	13	(	(	PUNCT
fis-170	112	14	slightly	slightly	ADV
fis-170	112	15	above	above	ADP
fis-170	112	16	500	500	NUM
fis-170	112	17	°	°	NOUN
fis-170	112	18	c	c	NOUN
fis-170	112	19	)	)	PUNCT
fis-170	112	20	.	.	PUNCT
fis-170	113	1	the	the	DET
fis-170	113	2	eds	ed	NOUN
fis-170	113	3	analysis	analysis	NOUN
fis-170	113	4	carried	carry	VERB
fis-170	113	5	out	out	ADP
fis-170	113	6	on	on	ADP
fis-170	113	7	the	the	DET
fis-170	113	8	locking	locking	NOUN
fis-170	113	9	sphere	sphere	NOUN
fis-170	113	10	show	show	VERB
fis-170	113	11	that	that	SCONJ
fis-170	113	12	it	it	PRON
fis-170	113	13	has	have	AUX
fis-170	113	14	been	be	AUX
fis-170	113	15	realized	realize	VERB
fis-170	113	16	with	with	ADP
fis-170	113	17	not	not	PART
fis-170	113	18	alloyed	alloy	VERB
fis-170	113	19	steel	steel	NOUN
fis-170	113	20	.	.	PUNCT
fis-170	114	1	the	the	DET
fis-170	114	2	eds	ed	NOUN
fis-170	114	3	spectra	spectra	PROPN
fis-170	114	4	shows	show	VERB
fis-170	114	5	only	only	ADV
fis-170	114	6	the	the	DET
fis-170	114	7	characteristic	characteristic	ADJ
fis-170	114	8	peaks	peak	NOUN
fis-170	114	9	of	of	ADP
fis-170	114	10	fe	fe	NOUN
fis-170	114	11	and	and	CCONJ
fis-170	114	12	mn	mn	PROPN
fis-170	114	13	.	.	PUNCT
fis-170	115	1	the	the	DET
fis-170	115	2	vickers	vickers	PROPN
fis-170	115	3	hardness	hardness	NOUN
fis-170	115	4	(	(	PUNCT
fis-170	115	5	hv10	hv10	PROPN
fis-170	115	6	-	-	PUNCT
fis-170	115	7	15	15	NUM
fis-170	115	8	)	)	PUNCT
fis-170	115	9	is	be	AUX
fis-170	115	10	880	880	NUM
fis-170	115	11	.	.	PUNCT
fis-170	116	1	the	the	DET
fis-170	116	2	microstructure	microstructure	NOUN
fis-170	116	3	(	(	PUNCT
fis-170	116	4	fig	fig	NOUN
fis-170	116	5	.	.	PUNCT
fis-170	116	6	8)	8)	NUM
fis-170	116	7	is	be	AUX
fis-170	116	8	characterized	characterize	VERB
fis-170	116	9	by	by	ADP
fis-170	116	10	martensite	martensite	NOUN
fis-170	116	11	and	and	CCONJ
fis-170	116	12	little	little	ADJ
fis-170	116	13	quantity	quantity	NOUN
fis-170	116	14	of	of	ADP
fis-170	116	15	residual	residual	ADJ
fis-170	116	16	austenite	austenite	NOUN
fis-170	116	17	.	.	PUNCT
fis-170	117	1	the	the	DET
fis-170	117	2	microstructure	microstructure	NOUN
fis-170	117	3	observed	observe	VERB
fis-170	117	4	and	and	CCONJ
fis-170	117	5	the	the	DET
fis-170	117	6	sphere	sphere	NOUN
fis-170	117	7	hardness	hardness	NOUN
fis-170	117	8	measured	measure	VERB
fis-170	117	9	allow	allow	VERB
fis-170	117	10	to	to	PART
fis-170	117	11	identify	identify	VERB
fis-170	117	12	the	the	DET
fis-170	117	13	steel	steel	NOUN
fis-170	117	14	employed	employ	VERB
fis-170	117	15	,	,	PUNCT
fis-170	117	16	[	[	X
fis-170	117	17	7	7	NUM
fis-170	117	18	]	]	PUNCT
fis-170	117	19	.	.	PUNCT
fis-170	118	1	the	the	DET
fis-170	118	2	locking	locking	NOUN
fis-170	118	3	spheres	sphere	NOUN
fis-170	118	4	are	be	AUX
fis-170	118	5	realized	realize	VERB
fis-170	118	6	with	with	ADP
fis-170	118	7	an	an	DET
fis-170	118	8	hypereutectoidic	hypereutectoidic	ADJ
fis-170	118	9	not	not	PART
fis-170	118	10	alloyed	alloy	VERB
fis-170	118	11	steel	steel	NOUN
fis-170	118	12	,	,	PUNCT
fis-170	118	13	quenched	quench	VERB
fis-170	118	14	and	and	CCONJ
fis-170	118	15	tempered	temper	VERB
fis-170	118	16	at	at	ADP
fis-170	118	17	low	low	ADJ
fis-170	118	18	temperature	temperature	NOUN
fis-170	118	19	(	(	PUNCT
fis-170	118	20	about	about	ADV
fis-170	118	21	100	100	NUM
fis-170	118	22	°	°	NOUN
fis-170	118	23	c	c	NOUN
fis-170	118	24	)	)	PUNCT
fis-170	118	25	.	.	PUNCT
fis-170	119	1	figure	figure	VERB
fis-170	119	2	8	8	NUM
fis-170	119	3	:	:	PUNCT
fis-170	119	4	microstructure	microstructure	NOUN
fis-170	119	5	of	of	ADP
fis-170	119	6	the	the	DET
fis-170	119	7	hypereutecoidic	hypereutecoidic	ADJ
fis-170	119	8	steel	steel	NOUN
fis-170	119	9	employed	employ	VERB
fis-170	119	10	(	(	PUNCT
fis-170	119	11	locking	locking	NOUN
fis-170	119	12	spheres	sphere	NOUN
fis-170	119	13	)	)	PUNCT
fis-170	119	14	.	.	PUNCT
fis-170	120	1	eds	ed	NOUN
fis-170	120	2	analysis	analysis	NOUN
fis-170	120	3	of	of	ADP
fis-170	120	4	grease	grease	NOUN
fis-170	120	5	residues	residue	NOUN
fis-170	120	6	he	he	PRON
fis-170	120	7	eds	ed	VERB
fis-170	120	8	analysis	analysis	NOUN
fis-170	120	9	carried	carry	VERB
fis-170	120	10	out	out	ADP
fis-170	120	11	on	on	ADP
fis-170	120	12	the	the	DET
fis-170	120	13	grease	grease	NOUN
fis-170	120	14	residues	residue	NOUN
fis-170	120	15	found	find	VERB
fis-170	120	16	both	both	PRON
fis-170	120	17	on	on	ADP
fis-170	120	18	the	the	DET
fis-170	120	19	piston	piston	NOUN
fis-170	120	20	and	and	CCONJ
fis-170	120	21	on	on	ADP
fis-170	120	22	the	the	DET
fis-170	120	23	nipple	nipple	NOUN
fis-170	120	24	(	(	PUNCT
fis-170	120	25	on	on	ADP
fis-170	120	26	the	the	DET
fis-170	120	27	wear	wear	NOUN
fis-170	120	28	groove	groove	NOUN
fis-170	120	29	and	and	CCONJ
fis-170	120	30	inside	inside	ADP
fis-170	120	31	the	the	DET
fis-170	120	32	holes	hole	NOUN
fis-170	120	33	)	)	PUNCT
fis-170	120	34	show	show	VERB
fis-170	120	35	that	that	SCONJ
fis-170	120	36	they	they	PRON
fis-170	120	37	derive	derive	VERB
fis-170	120	38	from	from	ADP
fis-170	120	39	a	a	DET
fis-170	120	40	silicon	silicon	NOUN
fis-170	120	41	-	-	PUNCT
fis-170	120	42	based	base	VERB
fis-170	120	43	lubricant	lubricant	NOUN
fis-170	120	44	.	.	PUNCT
fis-170	121	1	the	the	DET
fis-170	121	2	principal	principal	ADJ
fis-170	121	3	peaks	peak	NOUN
fis-170	121	4	identified	identify	VERB
fis-170	121	5	in	in	ADP
fis-170	121	6	the	the	DET
fis-170	121	7	eds	ed	NOUN
fis-170	121	8	spectrum	spectrum	NOUN
fis-170	121	9	are	be	AUX
fis-170	121	10	those	those	PRON
fis-170	121	11	of	of	ADP
fis-170	121	12	silicon	silicon	NOUN
fis-170	121	13	.	.	PUNCT
fis-170	122	1	however	however	ADV
fis-170	122	2	small	small	ADJ
fis-170	122	3	peaks	peak	NOUN
fis-170	122	4	of	of	ADP
fis-170	122	5	other	other	ADJ
fis-170	122	6	elements	element	NOUN
fis-170	122	7	can	can	AUX
fis-170	122	8	be	be	AUX
fis-170	122	9	observed	observe	VERB
fis-170	122	10	.	.	PUNCT
fis-170	123	1	in	in	ADP
fis-170	123	2	particular	particular	ADJ
fis-170	123	3	ca	ca	NOUN
fis-170	123	4	and	and	CCONJ
fis-170	123	5	k	k	PROPN
fis-170	123	6	peaks	peak	NOUN
fis-170	123	7	have	have	AUX
fis-170	123	8	been	be	AUX
fis-170	123	9	sometimes	sometimes	ADV
fis-170	123	10	identified	identify	VERB
fis-170	123	11	indicating	indicate	VERB
fis-170	123	12	the	the	DET
fis-170	123	13	presence	presence	NOUN
fis-170	123	14	of	of	ADP
fis-170	123	15	dust	dust	NOUN
fis-170	123	16	.	.	PUNCT
fis-170	124	1	moreover	moreover	ADV
fis-170	124	2	in	in	ADP
fis-170	124	3	the	the	DET
fis-170	124	4	eds	ed	NOUN
fis-170	124	5	spectra	spectra	NOUN
fis-170	124	6	have	have	AUX
fis-170	124	7	always	always	ADV
fis-170	124	8	found	find	VERB
fis-170	124	9	peaks	peak	NOUN
fis-170	124	10	characteristics	characteristic	NOUN
fis-170	124	11	of	of	ADP
fis-170	124	12	fe	fe	PROPN
fis-170	124	13	,	,	PUNCT
fis-170	124	14	cr	cr	PROPN
fis-170	124	15	,	,	PUNCT
fis-170	124	16	ni	ni	PROPN
fis-170	124	17	and	and	CCONJ
fis-170	124	18	mo	mo	PROPN
fis-170	124	19	.	.	PROPN
fis-170	125	1	they	they	PRON
fis-170	125	2	indicate	indicate	VERB
fis-170	125	3	the	the	DET
fis-170	125	4	presence	presence	NOUN
fis-170	125	5	inside	inside	ADP
fis-170	125	6	the	the	DET
fis-170	125	7	grease	grease	NOUN
fis-170	125	8	traces	trace	NOUN
fis-170	125	9	of	of	ADP
fis-170	125	10	metallic	metallic	ADJ
fis-170	125	11	particles	particle	NOUN
fis-170	125	12	coming	come	VERB
fis-170	125	13	from	from	ADP
fis-170	125	14	wear	wear	NOUN
fis-170	125	15	and	and	CCONJ
fis-170	125	16	fretting	fret	VERB
fis-170	125	17	phenomena	phenomenon	NOUN
fis-170	125	18	.	.	PUNCT
fis-170	126	1	this	this	PRON
fis-170	126	2	is	be	AUX
fis-170	126	3	confirmed	confirm	VERB
fis-170	126	4	by	by	ADP
fis-170	126	5	the	the	DET
fis-170	126	6	sem	sem	PROPN
fis-170	126	7	observation	observation	NOUN
fis-170	126	8	and	and	CCONJ
fis-170	126	9	by	by	ADP
fis-170	126	10	some	some	DET
fis-170	126	11	eds	ed	NOUN
fis-170	126	12	analysis	analysis	NOUN
fis-170	126	13	carried	carry	VERB
fis-170	126	14	out	out	ADP
fis-170	126	15	on	on	ADP
fis-170	126	16	the	the	DET
fis-170	126	17	lubricant	lubricant	NOUN
fis-170	126	18	derbies	derby	NOUN
fis-170	126	19	which	which	PRON
fis-170	126	20	highlight	highlight	VERB
fis-170	126	21	the	the	DET
fis-170	126	22	presence	presence	NOUN
fis-170	126	23	of	of	ADP
fis-170	126	24	metallic	metallic	ADJ
fis-170	126	25	particles	particle	NOUN
fis-170	126	26	trapped	trap	VERB
fis-170	126	27	inside	inside	ADP
fis-170	126	28	the	the	DET
fis-170	126	29	grease	grease	NOUN
fis-170	126	30	itself	itself	PRON
fis-170	126	31	.	.	PUNCT
fis-170	127	1	sem	sem	ADJ
fis-170	127	2	observation	observation	NOUN
fis-170	127	3	of	of	ADP
fis-170	127	4	superficial	superficial	ADJ
fis-170	127	5	defects	defect	NOUN
fis-170	127	6	he	he	PRON
fis-170	127	7	sem	sem	VERB
fis-170	127	8	observation	observation	NOUN
fis-170	127	9	of	of	ADP
fis-170	127	10	piston	piston	NOUN
fis-170	127	11	surface	surface	NOUN
fis-170	127	12	confirms	confirm	VERB
fis-170	127	13	what	what	PRON
fis-170	127	14	has	have	AUX
fis-170	127	15	been	be	AUX
fis-170	127	16	seen	see	VERB
fis-170	127	17	during	during	ADP
fis-170	127	18	the	the	DET
fis-170	127	19	macroscopic	macroscopic	ADJ
fis-170	127	20	examination	examination	NOUN
fis-170	127	21	.	.	PUNCT
fis-170	128	1	first	first	ADV
fis-170	128	2	no	no	DET
fis-170	128	3	microscopic	microscopic	ADJ
fis-170	128	4	signs	sign	NOUN
fis-170	128	5	of	of	ADP
fis-170	128	6	general	general	ADJ
fis-170	128	7	or	or	CCONJ
fis-170	128	8	localized	localized	ADJ
fis-170	128	9	corrosion	corrosion	NOUN
fis-170	128	10	have	have	AUX
fis-170	128	11	been	be	AUX
fis-170	128	12	detected	detect	VERB
fis-170	128	13	.	.	PUNCT
fis-170	129	1	moreover	moreover	ADV
fis-170	129	2	no	no	DET
fis-170	129	3	foreign	foreign	ADJ
fis-170	129	4	particles	particle	NOUN
fis-170	129	5	like	like	ADP
fis-170	129	6	sand	sand	NOUN
fis-170	129	7	or	or	CCONJ
fis-170	129	8	dust	dust	NOUN
fis-170	129	9	have	have	AUX
fis-170	129	10	been	be	AUX
fis-170	129	11	found	find	VERB
fis-170	129	12	inside	inside	ADP
fis-170	129	13	the	the	DET
fis-170	129	14	defective	defective	ADJ
fis-170	129	15	areas	area	NOUN
fis-170	129	16	.	.	PUNCT
fis-170	130	1	figs	fig	NOUN
fis-170	130	2	.	.	PUNCT
fis-170	131	1	9	9	NUM
fis-170	131	2	-	-	SYM
fis-170	131	3	12	12	NUM
fis-170	131	4	show	show	NOUN
fis-170	131	5	sem	sem	NOUN
fis-170	131	6	micrographs	micrograph	NOUN
fis-170	131	7	of	of	ADP
fis-170	131	8	the	the	DET
fis-170	131	9	defect	defect	NOUN
fis-170	131	10	observed	observe	VERB
fis-170	131	11	on	on	ADP
fis-170	131	12	the	the	DET
fis-170	131	13	piston	piston	NOUN
fis-170	131	14	surface	surface	NOUN
fis-170	131	15	.	.	PUNCT
fis-170	132	1	in	in	ADP
fis-170	132	2	particular	particular	ADJ
fis-170	132	3	fig	fig	NOUN
fis-170	132	4	.	.	PUNCT
fis-170	133	1	9	9	NUM
fis-170	133	2	shows	show	VERB
fis-170	133	3	a	a	DET
fis-170	133	4	circular	circular	ADJ
fis-170	133	5	impression	impression	NOUN
fis-170	133	6	in	in	ADP
fis-170	133	7	the	the	DET
fis-170	133	8	middle	middle	NOUN
fis-170	133	9	of	of	ADP
fis-170	133	10	the	the	DET
fis-170	133	11	piston	piston	NOUN
fis-170	133	12	,	,	PUNCT
fis-170	133	13	figs	fig	NOUN
fis-170	133	14	.	.	PUNCT
fis-170	134	1	10	10	NUM
fis-170	134	2	and	and	CCONJ
fis-170	134	3	11	11	NUM
fis-170	134	4	show	show	NOUN
fis-170	134	5	longitudinal	longitudinal	ADJ
fis-170	134	6	grooves	groove	NOUN
fis-170	134	7	starting	start	VERB
fis-170	134	8	from	from	ADP
fis-170	134	9	the	the	DET
fis-170	134	10	circular	circular	ADJ
fis-170	134	11	impressions	impression	NOUN
fis-170	134	12	and	and	CCONJ
fis-170	134	13	fig	fig	NOUN
fis-170	134	14	.	.	PUNCT
fis-170	135	1	12	12	NUM
fis-170	135	2	show	show	VERB
fis-170	135	3	a	a	DET
fis-170	135	4	magnification	magnification	NOUN
fis-170	135	5	of	of	ADP
fis-170	135	6	the	the	DET
fis-170	135	7	scored	score	VERB
fis-170	135	8	area	area	NOUN
fis-170	135	9	of	of	ADP
fis-170	135	10	fig	fig	NOUN
fis-170	135	11	.	.	PUNCT
fis-170	136	1	4	4	X
fis-170	136	2	.	.	X
fis-170	136	3	all	all	DET
fis-170	136	4	the	the	DET
fis-170	136	5	defective	defective	ADJ
fis-170	136	6	zones	zone	NOUN
fis-170	136	7	observed	observe	VERB
fis-170	136	8	are	be	AUX
fis-170	136	9	characterized	characterize	VERB
fis-170	136	10	by	by	ADP
fis-170	136	11	wide	wide	ADJ
fis-170	136	12	areas	area	NOUN
fis-170	136	13	of	of	ADP
fis-170	136	14	plastically	plastically	ADV
fis-170	136	15	deformed	deform	VERB
fis-170	136	16	metal	metal	NOUN
fis-170	136	17	.	.	PUNCT
fis-170	137	1	inside	inside	ADP
fis-170	137	2	the	the	DET
fis-170	137	3	observed	observe	VERB
fis-170	137	4	longitudinal	longitudinal	ADJ
fis-170	137	5	grooves	groove	NOUN
fis-170	137	6	,	,	PUNCT
fis-170	137	7	longitudinal	longitudinal	ADJ
fis-170	137	8	burrs	burr	NOUN
fis-170	137	9	,	,	PUNCT
fis-170	137	10	perpendicular	perpendicular	ADJ
fis-170	137	11	microcracks	microcrack	NOUN
fis-170	137	12	,	,	PUNCT
fis-170	137	13	have	have	AUX
fis-170	137	14	been	be	AUX
fis-170	137	15	commonly	commonly	ADV
fis-170	137	16	found	find	VERB
fis-170	137	17	particles	particle	NOUN
fis-170	137	18	with	with	ADP
fis-170	137	19	composition	composition	NOUN
fis-170	137	20	close	close	ADV
fis-170	137	21	to	to	ADP
fis-170	137	22	those	those	PRON
fis-170	137	23	of	of	ADP
fis-170	137	24	the	the	DET
fis-170	137	25	piston	piston	NOUN
fis-170	137	26	and	and	CCONJ
fis-170	137	27	slabs	slab	NOUN
fis-170	137	28	of	of	ADP
fis-170	137	29	reported	report	VERB
fis-170	137	30	metals	metal	NOUN
fis-170	137	31	(	(	PUNCT
fis-170	137	32	metallic	metallic	ADJ
fis-170	137	33	particles	particle	NOUN
fis-170	137	34	coming	come	VERB
fis-170	137	35	from	from	ADP
fis-170	137	36	wear	wear	NOUN
fis-170	137	37	and	and	CCONJ
fis-170	137	38	fretting	fret	VERB
fis-170	137	39	phenomena	phenomenon	NOUN
fis-170	137	40	which	which	PRON
fis-170	137	41	have	have	AUX
fis-170	137	42	been	be	AUX
fis-170	137	43	resoldered	resoldere	VERB
fis-170	137	44	over	over	ADP
fis-170	137	45	the	the	DET
fis-170	137	46	surface	surface	NOUN
fis-170	137	47	due	due	ADP
fis-170	137	48	to	to	ADP
fis-170	137	49	the	the	DET
fis-170	137	50	high	high	ADJ
fis-170	137	51	pressure	pressure	NOUN
fis-170	137	52	involved	involve	VERB
fis-170	137	53	in	in	ADP
fis-170	137	54	the	the	DET
fis-170	137	55	wear	wear	NOUN
fis-170	137	56	process	process	NOUN
fis-170	137	57	)	)	PUNCT
fis-170	137	58	.	.	PUNCT
fis-170	138	1	the	the	DET
fis-170	138	2	same	same	ADJ
fis-170	138	3	morphology	morphology	NOUN
fis-170	138	4	has	have	AUX
fis-170	138	5	been	be	AUX
fis-170	138	6	identified	identify	VERB
fis-170	138	7	on	on	ADP
fis-170	138	8	the	the	DET
fis-170	138	9	wear	wear	NOUN
fis-170	138	10	grooves	groove	NOUN
fis-170	138	11	observed	observe	VERB
fis-170	138	12	on	on	ADP
fis-170	138	13	internal	internal	ADJ
fis-170	138	14	nipple	nipple	NOUN
fis-170	138	15	surface	surface	NOUN
fis-170	138	16	.	.	PUNCT
fis-170	139	1	figs	fig	NOUN
fis-170	139	2	.	.	PUNCT
fis-170	140	1	12	12	NUM
fis-170	140	2	and	and	CCONJ
fis-170	140	3	13	13	NUM
fis-170	140	4	report	report	NOUN
fis-170	140	5	sem	sem	NOUN
fis-170	140	6	micrographs	micrograph	NOUN
fis-170	140	7	of	of	ADP
fis-170	140	8	the	the	DET
fis-170	140	9	grease	grease	NOUN
fis-170	140	10	residues	residue	NOUN
fis-170	140	11	found	find	VERB
fis-170	140	12	on	on	ADP
fis-170	140	13	the	the	DET
fis-170	140	14	components	component	NOUN
fis-170	140	15	surfaces	surface	NOUN
fis-170	140	16	.	.	PUNCT
fis-170	141	1	in	in	ADP
fis-170	141	2	particular	particular	ADJ
fis-170	141	3	fig	fig	NOUN
fis-170	141	4	.	.	PUNCT
fis-170	142	1	12	12	NUM
fis-170	142	2	shows	show	VERB
fis-170	142	3	a	a	DET
fis-170	142	4	grease	grease	NOUN
fis-170	142	5	patch	patch	NOUN
fis-170	142	6	found	find	VERB
fis-170	142	7	on	on	ADP
fis-170	142	8	the	the	DET
fis-170	142	9	piston	piston	NOUN
fis-170	142	10	surface	surface	NOUN
fis-170	142	11	inside	inside	ADP
fis-170	142	12	the	the	DET
fis-170	142	13	scored	score	VERB
fis-170	142	14	area	area	NOUN
fis-170	142	15	,	,	PUNCT
fis-170	142	16	while	while	SCONJ
fis-170	142	17	fig	fig	NOUN
fis-170	142	18	.	.	PUNCT
fis-170	143	1	13	13	NUM
fis-170	143	2	shows	show	VERB
fis-170	143	3	a	a	DET
fis-170	143	4	grease	grease	NOUN
fis-170	143	5	patch	patch	NOUN
fis-170	143	6	found	find	VERB
fis-170	143	7	inside	inside	ADP
fis-170	143	8	a	a	DET
fis-170	143	9	wear	wear	NOUN
fis-170	143	10	groove	groove	NOUN
fis-170	143	11	found	find	VERB
fis-170	143	12	on	on	ADP
fis-170	143	13	the	the	DET
fis-170	143	14	inner	inner	ADJ
fis-170	143	15	surface	surface	NOUN
fis-170	143	16	of	of	ADP
fis-170	143	17	the	the	DET
fis-170	143	18	nipple	nipple	NOUN
fis-170	143	19	.	.	PUNCT
fis-170	144	1	a	a	DET
fis-170	144	2	great	great	ADJ
fis-170	144	3	quantity	quantity	NOUN
fis-170	144	4	of	of	ADP
fis-170	144	5	metallic	metallic	ADJ
fis-170	144	6	debris	debris	NOUN
fis-170	144	7	can	can	AUX
fis-170	144	8	be	be	AUX
fis-170	144	9	clearly	clearly	ADV
fis-170	144	10	observed	observe	VERB
fis-170	144	11	.	.	PUNCT
fis-170	145	1	t	t	PROPN
fis-170	145	2	t	t	PROPN
fis-170	145	3	http://www.gruppofrattura.it	http://www.gruppofrattura.it	PROPN
fis-170	145	4	http://dx.medra.org/10.3221/igf-esis.23.13&auth=true	http://dx.medra.org/10.3221/igf-esis.23.13&auth=true	PROPN
fis-170	145	5	f.	f.	PROPN
fis-170	145	6	felli	felli	PROPN
fis-170	145	7	et	et	PROPN
fis-170	145	8	alii	alii	PROPN
fis-170	145	9	,	,	PUNCT
fis-170	145	10	frattura	frattura	PROPN
fis-170	145	11	ed	ed	PROPN
fis-170	145	12	integrità	integrità	PROPN
fis-170	145	13	strutturale	strutturale	PROPN
fis-170	145	14	,	,	PUNCT
fis-170	145	15	23	23	NUM
fis-170	145	16	(	(	PUNCT
fis-170	145	17	2013	2013	NUM
fis-170	145	18	)	)	PUNCT
fis-170	145	19	127	127	NUM
fis-170	145	20	-	-	SYM
fis-170	145	21	135	135	NUM
fis-170	145	22	;	;	PUNCT
fis-170	145	23	doi	doi	NOUN
fis-170	145	24	:	:	PUNCT
fis-170	145	25	10.3221	10.3221	NUM
fis-170	145	26	/	/	SYM
fis-170	145	27	igf	igf	PROPN
fis-170	145	28	-	-	PUNCT
fis-170	145	29	esis.23.13	esis.23.13	PROPN
fis-170	145	30	133	133	NUM
fis-170	145	31	figure	figure	NOUN
fis-170	145	32	9	9	NUM
fis-170	145	33	:	:	PUNCT
fis-170	145	34	sem	sem	NOUN
fis-170	145	35	micrograph	micrograph	NOUN
fis-170	145	36	of	of	ADP
fis-170	145	37	a	a	DET
fis-170	145	38	circular	circular	ADJ
fis-170	145	39	impression	impression	NOUN
fis-170	145	40	found	find	VERB
fis-170	145	41	in	in	ADP
fis-170	145	42	the	the	DET
fis-170	145	43	central	central	ADJ
fis-170	145	44	part	part	NOUN
fis-170	145	45	of	of	ADP
fis-170	145	46	the	the	DET
fis-170	145	47	piston	piston	NOUN
fis-170	145	48	(	(	PUNCT
fis-170	145	49	sample	sample	NOUN
fis-170	145	50	1	1	NUM
fis-170	145	51	)	)	PUNCT
fis-170	145	52	.	.	PUNCT
fis-170	146	1	figure	figure	NOUN
fis-170	146	2	10	10	NUM
fis-170	146	3	:	:	PUNCT
fis-170	146	4	sem	sem	NOUN
fis-170	146	5	micrograph	micrograph	NOUN
fis-170	146	6	of	of	ADP
fis-170	146	7	a	a	DET
fis-170	146	8	longitudinal	longitudinal	ADJ
fis-170	146	9	wear	wear	NOUN
fis-170	146	10	groove	groove	NOUN
fis-170	146	11	found	find	VERB
fis-170	146	12	in	in	ADP
fis-170	146	13	the	the	DET
fis-170	146	14	central	central	ADJ
fis-170	146	15	part	part	NOUN
fis-170	146	16	of	of	ADP
fis-170	146	17	the	the	DET
fis-170	146	18	piston	piston	NOUN
fis-170	146	19	(	(	PUNCT
fis-170	146	20	sample	sample	NOUN
fis-170	146	21	1	1	NUM
fis-170	146	22	)	)	PUNCT
fis-170	146	23	.	.	PUNCT
fis-170	147	1	figure	figure	VERB
fis-170	147	2	11	11	NUM
fis-170	147	3	:	:	PUNCT
fis-170	147	4	sem	sem	NOUN
fis-170	147	5	micrograph	micrograph	NOUN
fis-170	147	6	of	of	ADP
fis-170	147	7	a	a	DET
fis-170	147	8	longitudinal	longitudinal	ADJ
fis-170	147	9	wear	wear	NOUN
fis-170	147	10	groove	groove	NOUN
fis-170	147	11	found	find	VERB
fis-170	147	12	in	in	ADP
fis-170	147	13	the	the	DET
fis-170	147	14	central	central	ADJ
fis-170	147	15	part	part	NOUN
fis-170	147	16	of	of	ADP
fis-170	147	17	the	the	DET
fis-170	147	18	piston	piston	NOUN
fis-170	147	19	(	(	PUNCT
fis-170	147	20	sample	sample	NOUN
fis-170	147	21	1	1	NUM
fis-170	147	22	)	)	PUNCT
fis-170	147	23	.	.	PUNCT
fis-170	148	1	figure	figure	NOUN
fis-170	148	2	12	12	NUM
fis-170	148	3	:	:	PUNCT
fis-170	148	4	sem	sem	NOUN
fis-170	148	5	micrograph	micrograph	NOUN
fis-170	148	6	of	of	ADP
fis-170	148	7	the	the	DET
fis-170	148	8	scored	score	VERB
fis-170	148	9	area	area	NOUN
fis-170	148	10	found	find	VERB
fis-170	148	11	in	in	ADP
fis-170	148	12	the	the	DET
fis-170	148	13	central	central	ADJ
fis-170	148	14	part	part	NOUN
fis-170	148	15	of	of	ADP
fis-170	148	16	the	the	DET
fis-170	148	17	piston	piston	NOUN
fis-170	148	18	(	(	PUNCT
fis-170	148	19	sample	sample	NOUN
fis-170	148	20	1	1	NUM
fis-170	148	21	)	)	PUNCT
fis-170	148	22	.	.	PUNCT
fis-170	149	1	all	all	DET
fis-170	149	2	these	these	DET
fis-170	149	3	observations	observation	NOUN
fis-170	149	4	allow	allow	VERB
fis-170	149	5	to	to	PART
fis-170	149	6	conclude	conclude	VERB
fis-170	149	7	that	that	SCONJ
fis-170	149	8	the	the	DET
fis-170	149	9	superficial	superficial	ADJ
fis-170	149	10	defects	defect	NOUN
fis-170	149	11	observed	observe	VERB
fis-170	149	12	came	come	VERB
fis-170	149	13	from	from	ADP
fis-170	149	14	a	a	DET
fis-170	149	15	wear	wear	NOUN
fis-170	149	16	process	process	NOUN
fis-170	149	17	generated	generate	VERB
fis-170	149	18	by	by	ADP
fis-170	149	19	the	the	DET
fis-170	149	20	relative	relative	NOUN
fis-170	149	21	sliding	slide	VERB
fis-170	149	22	on	on	ADP
fis-170	149	23	the	the	DET
fis-170	149	24	en3358	en3358	NOUN
fis-170	149	25	steel	steel	NOUN
fis-170	149	26	surfaces	surface	NOUN
fis-170	149	27	of	of	ADP
fis-170	149	28	an	an	DET
fis-170	149	29	harder	hard	ADJ
fis-170	149	30	spherical	spherical	ADJ
fis-170	149	31	components	component	NOUN
fis-170	149	32	which	which	PRON
fis-170	149	33	can	can	AUX
fis-170	149	34	be	be	AUX
fis-170	149	35	easily	easily	ADV
fis-170	149	36	identified	identify	VERB
fis-170	149	37	in	in	ADP
fis-170	149	38	the	the	DET
fis-170	149	39	hypereutectoidic	hypereutectoidic	ADJ
fis-170	149	40	steel	steel	NOUN
fis-170	149	41	spheres	sphere	NOUN
fis-170	149	42	employed	employ	VERB
fis-170	149	43	in	in	ADP
fis-170	149	44	the	the	DET
fis-170	149	45	locking	locking	NOUN
fis-170	149	46	system	system	NOUN
fis-170	149	47	.	.	PUNCT
fis-170	150	1	these	these	DET
fis-170	150	2	spheres	sphere	NOUN
fis-170	150	3	remain	remain	VERB
fis-170	150	4	always	always	ADV
fis-170	150	5	pressed	press	VERB
fis-170	150	6	on	on	ADP
fis-170	150	7	the	the	DET
fis-170	150	8	piston	piston	NOUN
fis-170	150	9	surface	surface	NOUN
fis-170	150	10	as	as	SCONJ
fis-170	150	11	testified	testify	VERB
fis-170	150	12	by	by	ADP
fis-170	150	13	the	the	DET
fis-170	150	14	circular	circular	ADJ
fis-170	150	15	impressions	impression	NOUN
fis-170	150	16	observed	observe	VERB
fis-170	150	17	in	in	ADP
fis-170	150	18	the	the	DET
fis-170	150	19	central	central	ADJ
fis-170	150	20	part	part	NOUN
fis-170	150	21	of	of	ADP
fis-170	150	22	the	the	DET
fis-170	150	23	pistons	piston	NOUN
fis-170	150	24	.	.	PUNCT
fis-170	151	1	during	during	ADP
fis-170	151	2	the	the	DET
fis-170	151	3	opening	opening	NOUN
fis-170	151	4	phase	phase	NOUN
fis-170	151	5	they	they	PRON
fis-170	151	6	drag	drag	VERB
fis-170	151	7	http://www.gruppofrattura.it	http://www.gruppofrattura.it	PROPN
fis-170	151	8	http://dx.medra.org/10.3221/igf-esis.23.13&auth=true	http://dx.medra.org/10.3221/igf-esis.23.13&auth=true	PROPN
fis-170	151	9	f.	f.	PROPN
fis-170	151	10	felli	felli	PROPN
fis-170	151	11	et	et	PROPN
fis-170	151	12	alii	alii	PROPN
fis-170	151	13	,	,	PUNCT
fis-170	151	14	frattura	frattura	PROPN
fis-170	151	15	ed	ed	PROPN
fis-170	151	16	integrità	integrità	PROPN
fis-170	151	17	strutturale	strutturale	PROPN
fis-170	151	18	,	,	PUNCT
fis-170	151	19	23	23	NUM
fis-170	151	20	(	(	PUNCT
fis-170	151	21	2013	2013	NUM
fis-170	151	22	)	)	PUNCT
fis-170	151	23	127	127	NUM
fis-170	151	24	-	-	SYM
fis-170	151	25	135	135	NUM
fis-170	151	26	;	;	PUNCT
fis-170	151	27	doi	doi	NOUN
fis-170	151	28	:	:	PUNCT
fis-170	151	29	10.3221	10.3221	NUM
fis-170	151	30	/	/	SYM
fis-170	151	31	igf	igf	PROPN
fis-170	151	32	-	-	PROPN
fis-170	151	33	esis.23.13	esis.23.13	PROPN
fis-170	151	34	134	134	NUM
fis-170	151	35	over	over	ADP
fis-170	151	36	the	the	DET
fis-170	151	37	metal	metal	NOUN
fis-170	151	38	surface	surface	NOUN
fis-170	151	39	producing	produce	VERB
fis-170	151	40	the	the	DET
fis-170	151	41	high	high	ADJ
fis-170	151	42	localized	localize	VERB
fis-170	151	43	plastic	plastic	NOUN
fis-170	151	44	deformations	deformation	NOUN
fis-170	151	45	observed	observe	VERB
fis-170	151	46	(	(	PUNCT
fis-170	151	47	together	together	ADV
fis-170	151	48	with	with	ADP
fis-170	151	49	the	the	DET
fis-170	151	50	perpendicular	perpendicular	ADJ
fis-170	151	51	microcraks	microcrak	NOUN
fis-170	151	52	)	)	PUNCT
fis-170	151	53	and	and	CCONJ
fis-170	151	54	a	a	DET
fis-170	151	55	high	high	ADJ
fis-170	151	56	quantity	quantity	NOUN
fis-170	151	57	of	of	ADP
fis-170	151	58	metallic	metallic	ADJ
fis-170	151	59	debris	debris	NOUN
fis-170	151	60	.	.	PUNCT
fis-170	152	1	figure	figure	NOUN
fis-170	152	2	13	13	NUM
fis-170	152	3	:	:	PUNCT
fis-170	152	4	sem	sem	NOUN
fis-170	152	5	micrograph	micrograph	NOUN
fis-170	152	6	of	of	ADP
fis-170	152	7	metallic	metallic	ADJ
fis-170	152	8	debries	debrie	NOUN
fis-170	152	9	inside	inside	ADP
fis-170	152	10	a	a	DET
fis-170	152	11	grease	grease	NOUN
fis-170	152	12	patch	patch	NOUN
fis-170	152	13	found	find	VERB
fis-170	152	14	in	in	ADP
fis-170	152	15	the	the	DET
fis-170	152	16	internal	internal	ADJ
fis-170	152	17	surface	surface	NOUN
fis-170	152	18	of	of	ADP
fis-170	152	19	the	the	DET
fis-170	152	20	nipple	nipple	NOUN
fis-170	152	21	.	.	PUNCT
fis-170	153	1	discussion	discussion	NOUN
fis-170	153	2	he	he	PRON
fis-170	153	3	lack	lack	VERB
fis-170	153	4	of	of	ADP
fis-170	153	5	corrosion	corrosion	NOUN
fis-170	153	6	signs	sign	NOUN
fis-170	153	7	and	and	CCONJ
fis-170	153	8	foreign	foreign	ADJ
fis-170	153	9	particles	particle	NOUN
fis-170	153	10	like	like	ADP
fis-170	153	11	dust	dust	NOUN
fis-170	153	12	or	or	CCONJ
fis-170	153	13	sand	sand	NOUN
fis-170	153	14	on	on	ADP
fis-170	153	15	the	the	DET
fis-170	153	16	components	component	NOUN
fis-170	153	17	surface	surface	NOUN
fis-170	153	18	allows	allow	VERB
fis-170	153	19	to	to	PART
fis-170	153	20	exclude	exclude	VERB
fis-170	153	21	the	the	DET
fis-170	153	22	first	first	ADJ
fis-170	153	23	hypothesis	hypothesis	NOUN
fis-170	153	24	conceived	conceive	VERB
fis-170	153	25	as	as	ADP
fis-170	153	26	cause	cause	NOUN
fis-170	153	27	of	of	ADP
fis-170	153	28	the	the	DET
fis-170	153	29	failure	failure	NOUN
fis-170	153	30	.	.	PUNCT
fis-170	154	1	initially	initially	ADV
fis-170	154	2	it	it	PRON
fis-170	154	3	was	be	AUX
fis-170	154	4	thought	think	VERB
fis-170	154	5	that	that	SCONJ
fis-170	154	6	the	the	DET
fis-170	154	7	piston	piston	NOUN
fis-170	154	8	seizure	seizure	VERB
fis-170	154	9	was	be	AUX
fis-170	154	10	due	due	ADJ
fis-170	154	11	to	to	ADP
fis-170	154	12	corrosion	corrosion	NOUN
fis-170	154	13	phenomena	phenomenon	NOUN
fis-170	154	14	or	or	CCONJ
fis-170	154	15	to	to	ADP
fis-170	154	16	the	the	DET
fis-170	154	17	access	access	NOUN
fis-170	154	18	of	of	ADP
fis-170	154	19	sand	sand	NOUN
fis-170	154	20	inside	inside	ADP
fis-170	154	21	the	the	DET
fis-170	154	22	nipple	nipple	NOUN
fis-170	154	23	.	.	PUNCT
fis-170	155	1	however	however	ADV
fis-170	155	2	the	the	DET
fis-170	155	3	seizure	seizure	NOUN
fis-170	155	4	can	can	AUX
fis-170	155	5	not	not	PART
fis-170	155	6	be	be	AUX
fis-170	155	7	ascribed	ascribe	VERB
fis-170	155	8	only	only	ADV
fis-170	155	9	to	to	ADP
fis-170	155	10	the	the	DET
fis-170	155	11	severe	severe	ADJ
fis-170	155	12	wear	wear	NOUN
fis-170	155	13	phenomena	phenomenon	NOUN
fis-170	155	14	coming	come	VERB
fis-170	155	15	from	from	ADP
fis-170	155	16	the	the	DET
fis-170	155	17	not	not	PART
fis-170	155	18	expected	expect	VERB
fis-170	155	19	dragging	dragging	NOUN
fis-170	155	20	of	of	ADP
fis-170	155	21	the	the	DET
fis-170	155	22	locking	locking	NOUN
fis-170	155	23	spheres	sphere	NOUN
fis-170	155	24	on	on	ADP
fis-170	155	25	the	the	DET
fis-170	155	26	piston	piston	NOUN
fis-170	155	27	surface	surface	NOUN
fis-170	155	28	.	.	PUNCT
fis-170	156	1	in	in	ADP
fis-170	156	2	fact	fact	NOUN
fis-170	156	3	they	they	PRON
fis-170	156	4	run	run	VERB
fis-170	156	5	always	always	ADV
fis-170	156	6	along	along	ADP
fis-170	156	7	the	the	DET
fis-170	156	8	same	same	ADJ
fis-170	156	9	route	route	NOUN
fis-170	156	10	producing	produce	VERB
fis-170	156	11	a	a	DET
fis-170	156	12	track	track	NOUN
fis-170	156	13	of	of	ADP
fis-170	156	14	plastically	plastically	ADV
fis-170	156	15	deformed	deform	VERB
fis-170	156	16	and	and	CCONJ
fis-170	156	17	hardened	hardened	ADJ
fis-170	156	18	material	material	NOUN
fis-170	156	19	.	.	PUNCT
fis-170	157	1	at	at	ADV
fis-170	157	2	worst	worst	ADV
fis-170	157	3	it	it	PRON
fis-170	157	4	may	may	AUX
fis-170	157	5	contribute	contribute	VERB
fis-170	157	6	to	to	ADP
fis-170	157	7	the	the	DET
fis-170	157	8	seizure	seizure	NOUN
fis-170	157	9	because	because	SCONJ
fis-170	157	10	the	the	DET
fis-170	157	11	wear	wear	NOUN
fis-170	157	12	process	process	NOUN
fis-170	157	13	produces	produce	VERB
fis-170	157	14	the	the	DET
fis-170	157	15	observed	observe	VERB
fis-170	157	16	high	high	ADJ
fis-170	157	17	quantity	quantity	NOUN
fis-170	157	18	of	of	ADP
fis-170	157	19	fretting	fret	VERB
fis-170	157	20	debris	debris	NOUN
fis-170	157	21	,	,	PUNCT
fis-170	157	22	which	which	PRON
fis-170	157	23	reduce	reduce	VERB
fis-170	157	24	the	the	DET
fis-170	157	25	grease	grease	NOUN
fis-170	157	26	lubricant	lubricant	NOUN
fis-170	157	27	properties	property	NOUN
fis-170	157	28	and	and	CCONJ
fis-170	157	29	produce	produce	VERB
fis-170	157	30	the	the	DET
fis-170	157	31	wear	wear	NOUN
fis-170	157	32	damages	damage	NOUN
fis-170	157	33	also	also	ADV
fis-170	157	34	in	in	ADP
fis-170	157	35	areas	area	NOUN
fis-170	157	36	far	far	ADV
fis-170	157	37	from	from	ADP
fis-170	157	38	the	the	DET
fis-170	157	39	locking	locking	NOUN
fis-170	157	40	spheres	sphere	NOUN
fis-170	157	41	.	.	PUNCT
fis-170	158	1	the	the	DET
fis-170	158	2	failure	failure	NOUN
fis-170	158	3	is	be	AUX
fis-170	158	4	probably	probably	ADV
fis-170	158	5	due	due	ADJ
fis-170	158	6	to	to	ADP
fis-170	158	7	an	an	DET
fis-170	158	8	incorrect	incorrect	ADJ
fis-170	158	9	evaluation	evaluation	NOUN
fis-170	158	10	of	of	ADP
fis-170	158	11	the	the	DET
fis-170	158	12	loads	load	NOUN
fis-170	158	13	which	which	PRON
fis-170	158	14	act	act	VERB
fis-170	158	15	on	on	ADP
fis-170	158	16	the	the	DET
fis-170	158	17	nipple	nipple	ADJ
fis-170	158	18	-	-	PUNCT
fis-170	158	19	piston	piston	NOUN
fis-170	158	20	coupling	coupling	NOUN
fis-170	158	21	and	and	CCONJ
fis-170	158	22	to	to	ADP
fis-170	158	23	a	a	DET
fis-170	158	24	not	not	PART
fis-170	158	25	expected	expect	VERB
fis-170	158	26	wrong	wrong	ADJ
fis-170	158	27	operational	operational	ADJ
fis-170	158	28	mode	mode	NOUN
fis-170	158	29	of	of	ADP
fis-170	158	30	the	the	DET
fis-170	158	31	whole	whole	ADJ
fis-170	158	32	opening	opening	NOUN
fis-170	158	33	system	system	NOUN
fis-170	158	34	.	.	PUNCT
fis-170	159	1	theoretically	theoretically	ADV
fis-170	159	2	when	when	SCONJ
fis-170	159	3	the	the	DET
fis-170	159	4	opening	opening	NOUN
fis-170	159	5	system	system	NOUN
fis-170	159	6	is	be	AUX
fis-170	159	7	activated	activate	VERB
fis-170	159	8	,	,	PUNCT
fis-170	159	9	only	only	ADV
fis-170	159	10	axial	axial	ADJ
fis-170	159	11	load	load	NOUN
fis-170	159	12	should	should	AUX
fis-170	159	13	be	be	AUX
fis-170	159	14	applied	apply	VERB
fis-170	159	15	on	on	ADP
fis-170	159	16	the	the	DET
fis-170	159	17	nipple	nipple	ADJ
fis-170	159	18	-	-	PUNCT
fis-170	159	19	piston	piston	NOUN
fis-170	159	20	system	system	NOUN
fis-170	159	21	,	,	PUNCT
fis-170	159	22	the	the	DET
fis-170	159	23	nipple	nipple	NOUN
fis-170	159	24	should	should	AUX
fis-170	159	25	slide	slide	VERB
fis-170	159	26	over	over	ADP
fis-170	159	27	the	the	DET
fis-170	159	28	piston	piston	NOUN
fis-170	159	29	,	,	PUNCT
fis-170	159	30	pushed	push	VERB
fis-170	159	31	by	by	ADP
fis-170	159	32	the	the	DET
fis-170	159	33	force	force	NOUN
fis-170	159	34	produced	produce	VERB
fis-170	159	35	by	by	ADP
fis-170	159	36	the	the	DET
fis-170	159	37	compressed	compress	VERB
fis-170	159	38	spring	spring	NOUN
fis-170	159	39	;	;	PUNCT
fis-170	159	40	frictional	frictional	ADJ
fis-170	159	41	forces	force	NOUN
fis-170	159	42	should	should	AUX
fis-170	159	43	be	be	AUX
fis-170	159	44	reduced	reduce	VERB
fis-170	159	45	by	by	ADP
fis-170	159	46	the	the	DET
fis-170	159	47	presence	presence	NOUN
fis-170	159	48	of	of	ADP
fis-170	159	49	the	the	DET
fis-170	159	50	silicone	silicone	NOUN
fis-170	159	51	-	-	PUNCT
fis-170	159	52	based	base	VERB
fis-170	159	53	grease	grease	NOUN
fis-170	159	54	lubricant	lubricant	NOUN
fis-170	159	55	.	.	PUNCT
fis-170	160	1	in	in	ADP
fis-170	160	2	these	these	DET
fis-170	160	3	load	load	NOUN
fis-170	160	4	condition	condition	NOUN
fis-170	160	5	wear	wear	VERB
fis-170	160	6	phenomena	phenomenon	NOUN
fis-170	160	7	should	should	AUX
fis-170	160	8	not	not	PART
fis-170	160	9	appear	appear	VERB
fis-170	160	10	or	or	CCONJ
fis-170	160	11	,	,	PUNCT
fis-170	160	12	at	at	ADP
fis-170	160	13	worst	bad	ADJ
fis-170	160	14	,	,	PUNCT
fis-170	160	15	an	an	DET
fis-170	160	16	uniform	uniform	NOUN
fis-170	160	17	wear	wear	NOUN
fis-170	160	18	process	process	NOUN
fis-170	160	19	should	should	AUX
fis-170	160	20	involve	involve	VERB
fis-170	160	21	the	the	DET
fis-170	160	22	whole	whole	ADJ
fis-170	160	23	contact	contact	NOUN
fis-170	160	24	surface	surface	NOUN
fis-170	160	25	.	.	PUNCT
fis-170	161	1	instead	instead	ADV
fis-170	161	2	some	some	DET
fis-170	161	3	not	not	PART
fis-170	161	4	foreseen	foresee	VERB
fis-170	161	5	conditions	condition	NOUN
fis-170	161	6	occur	occur	VERB
fis-170	161	7	causing	cause	VERB
fis-170	161	8	contact	contact	NOUN
fis-170	161	9	between	between	ADP
fis-170	161	10	nipple	nipple	NOUN
fis-170	161	11	and	and	CCONJ
fis-170	161	12	piston	piston	NOUN
fis-170	161	13	and	and	CCONJ
fis-170	161	14	then	then	ADV
fis-170	161	15	intensifying	intensify	VERB
fis-170	161	16	of	of	ADP
fis-170	161	17	the	the	DET
fis-170	161	18	wear	wear	NOUN
fis-170	161	19	phenomena	phenomenon	NOUN
fis-170	161	20	on	on	ADP
fis-170	161	21	the	the	DET
fis-170	161	22	contact	contact	NOUN
fis-170	161	23	area	area	NOUN
fis-170	161	24	.	.	PUNCT
fis-170	162	1	firstly	firstly	ADV
fis-170	162	2	the	the	DET
fis-170	162	3	real	real	ADV
fis-170	162	4	applied	apply	VERB
fis-170	162	5	load	load	NOUN
fis-170	162	6	on	on	ADP
fis-170	162	7	the	the	DET
fis-170	162	8	nipple	nipple	ADJ
fis-170	162	9	-	-	PUNCT
fis-170	162	10	piston	piston	NOUN
fis-170	162	11	system	system	NOUN
fis-170	162	12	is	be	AUX
fis-170	162	13	more	more	ADV
fis-170	162	14	complex	complex	ADJ
fis-170	162	15	and	and	CCONJ
fis-170	162	16	it	it	PRON
fis-170	162	17	is	be	AUX
fis-170	162	18	due	due	ADJ
fis-170	162	19	both	both	CCONJ
fis-170	162	20	to	to	ADP
fis-170	162	21	the	the	DET
fis-170	162	22	spring	spring	NOUN
fis-170	162	23	and	and	CCONJ
fis-170	162	24	to	to	ADP
fis-170	162	25	the	the	DET
fis-170	162	26	loads	load	NOUN
fis-170	162	27	coming	come	VERB
fis-170	162	28	from	from	ADP
fis-170	162	29	the	the	DET
fis-170	162	30	hatch	hatch	NOUN
fis-170	162	31	during	during	ADP
fis-170	162	32	the	the	DET
fis-170	162	33	opening	opening	NOUN
fis-170	162	34	phase	phase	NOUN
fis-170	162	35	.	.	PUNCT
fis-170	163	1	when	when	SCONJ
fis-170	163	2	the	the	DET
fis-170	163	3	hatch	hatch	NOUN
fis-170	163	4	starts	start	VERB
fis-170	163	5	to	to	PART
fis-170	163	6	open	open	VERB
fis-170	163	7	,	,	PUNCT
fis-170	163	8	it	it	PRON
fis-170	163	9	receives	receive	VERB
fis-170	163	10	several	several	ADJ
fis-170	163	11	aerodynamic	aerodynamic	ADJ
fis-170	163	12	forces	force	NOUN
fis-170	163	13	difficult	difficult	ADJ
fis-170	163	14	to	to	PART
fis-170	163	15	model	model	VERB
fis-170	163	16	.	.	PUNCT
fis-170	164	1	the	the	DET
fis-170	164	2	load	load	NOUN
fis-170	164	3	transmitted	transmit	VERB
fis-170	164	4	by	by	ADP
fis-170	164	5	the	the	DET
fis-170	164	6	hatches	hatch	NOUN
fis-170	164	7	to	to	ADP
fis-170	164	8	the	the	DET
fis-170	164	9	nipple	nipple	ADJ
fis-170	164	10	-	-	PUNCT
fis-170	164	11	piston	piston	NOUN
fis-170	164	12	system	system	NOUN
fis-170	164	13	certainly	certainly	ADV
fis-170	164	14	has	have	VERB
fis-170	164	15	both	both	CCONJ
fis-170	164	16	an	an	DET
fis-170	164	17	axial	axial	ADJ
fis-170	164	18	component	component	NOUN
fis-170	164	19	,	,	PUNCT
fis-170	164	20	which	which	PRON
fis-170	164	21	should	should	AUX
fis-170	164	22	n’t	not	PART
fis-170	164	23	cause	cause	VERB
fis-170	164	24	problems	problem	NOUN
fis-170	164	25	because	because	SCONJ
fis-170	164	26	of	of	ADP
fis-170	164	27	the	the	DET
fis-170	164	28	high	high	ADJ
fis-170	164	29	mechanical	mechanical	ADJ
fis-170	164	30	properties	property	NOUN
fis-170	164	31	of	of	ADP
fis-170	164	32	the	the	DET
fis-170	164	33	employed	employ	VERB
fis-170	164	34	materials	material	NOUN
fis-170	164	35	,	,	PUNCT
fis-170	164	36	and	and	CCONJ
fis-170	164	37	a	a	DET
fis-170	164	38	transversal	transversal	ADJ
fis-170	164	39	component	component	NOUN
fis-170	164	40	,	,	PUNCT
fis-170	164	41	perpendicular	perpendicular	ADJ
fis-170	164	42	to	to	ADP
fis-170	164	43	the	the	DET
fis-170	164	44	sliding	slide	VERB
fis-170	164	45	axis	axis	NOUN
fis-170	164	46	.	.	PUNCT
fis-170	165	1	this	this	DET
fis-170	165	2	transversal	transversal	ADJ
fis-170	165	3	components	component	NOUN
fis-170	165	4	of	of	ADP
fis-170	165	5	the	the	DET
fis-170	165	6	load	load	NOUN
fis-170	165	7	cause	cause	VERB
fis-170	165	8	the	the	DET
fis-170	165	9	concentration	concentration	NOUN
fis-170	165	10	of	of	ADP
fis-170	165	11	the	the	DET
fis-170	165	12	pressure	pressure	NOUN
fis-170	165	13	-applied	-applie	VERB
fis-170	165	14	by	by	ADP
fis-170	165	15	the	the	DET
fis-170	165	16	nipple	nipple	NOUN
fis-170	165	17	to	to	ADP
fis-170	165	18	the	the	DET
fis-170	165	19	pistonon	pistonon	NOUN
fis-170	165	20	a	a	DET
fis-170	165	21	restricted	restricted	ADJ
fis-170	165	22	portion	portion	NOUN
fis-170	165	23	of	of	ADP
fis-170	165	24	the	the	DET
fis-170	165	25	contact	contact	NOUN
fis-170	165	26	surface	surface	NOUN
fis-170	165	27	,	,	PUNCT
fis-170	165	28	enhancing	enhance	VERB
fis-170	165	29	in	in	ADP
fis-170	165	30	this	this	DET
fis-170	165	31	way	way	NOUN
fis-170	165	32	the	the	PRON
fis-170	165	33	wear	wear	NOUN
fis-170	165	34	phenomena	phenomenon	NOUN
fis-170	165	35	.	.	PUNCT
fis-170	166	1	at	at	ADV
fis-170	166	2	worst	worst	ADV
fis-170	166	3	it	it	PRON
fis-170	166	4	can	can	AUX
fis-170	166	5	also	also	ADV
fis-170	166	6	produce	produce	VERB
fis-170	166	7	a	a	DET
fis-170	166	8	misalignment	misalignment	NOUN
fis-170	166	9	between	between	ADP
fis-170	166	10	nipple	nipple	NOUN
fis-170	166	11	and	and	CCONJ
fis-170	166	12	piston	piston	NOUN
fis-170	166	13	,	,	PUNCT
fis-170	166	14	which	which	PRON
fis-170	166	15	thus	thus	ADV
fis-170	166	16	slide	slide	VERB
fis-170	166	17	touching	touch	VERB
fis-170	166	18	on	on	ADP
fis-170	166	19	two	two	NUM
fis-170	166	20	diametrically	diametrically	ADV
fis-170	166	21	opposed	opposed	ADJ
fis-170	166	22	generating	generating	NOUN
fis-170	166	23	-	-	PUNCT
fis-170	166	24	lines	line	NOUN
fis-170	166	25	.	.	PUNCT
fis-170	167	1	the	the	DET
fis-170	167	2	t	t	PROPN
fis-170	167	3	http://www.gruppofrattura.it	http://www.gruppofrattura.it	PROPN
fis-170	167	4	http://dx.medra.org/10.3221/igf-esis.23.13&auth=true	http://dx.medra.org/10.3221/igf-esis.23.13&auth=true	PROPN
fis-170	167	5	f.	f.	PROPN
fis-170	167	6	felli	felli	PROPN
fis-170	167	7	et	et	PROPN
fis-170	167	8	alii	alii	PROPN
fis-170	167	9	,	,	PUNCT
fis-170	167	10	frattura	frattura	PROPN
fis-170	167	11	ed	ed	PROPN
fis-170	167	12	integrità	integrità	PROPN
fis-170	167	13	strutturale	strutturale	PROPN
fis-170	167	14	,	,	PUNCT
fis-170	167	15	23	23	NUM
fis-170	167	16	(	(	PUNCT
fis-170	167	17	2013	2013	NUM
fis-170	167	18	)	)	PUNCT
fis-170	167	19	127	127	NUM
fis-170	167	20	-	-	SYM
fis-170	167	21	135	135	NUM
fis-170	167	22	;	;	PUNCT
fis-170	167	23	doi	doi	NOUN
fis-170	167	24	:	:	PUNCT
fis-170	167	25	10.3221	10.3221	NUM
fis-170	167	26	/	/	SYM
fis-170	167	27	igf	igf	PROPN
fis-170	167	28	-	-	PUNCT
fis-170	167	29	esis.23.13	esis.23.13	PROPN
fis-170	167	30	135	135	NUM
fis-170	167	31	non	non	ADJ
fis-170	167	32	-	-	ADJ
fis-170	167	33	correct	correct	ADJ
fis-170	167	34	functioning	functioning	NOUN
fis-170	167	35	of	of	ADP
fis-170	167	36	the	the	DET
fis-170	167	37	locking	locking	NOUN
fis-170	167	38	system	system	NOUN
fis-170	167	39	worse	worse	ADV
fis-170	167	40	this	this	DET
fis-170	167	41	situation	situation	NOUN
fis-170	167	42	as	as	ADP
fis-170	167	43	,	,	PUNCT
fis-170	167	44	contrary	contrary	ADJ
fis-170	167	45	to	to	ADP
fis-170	167	46	what	what	PRON
fis-170	167	47	was	be	AUX
fis-170	167	48	designed	design	VERB
fis-170	167	49	,	,	PUNCT
fis-170	167	50	when	when	SCONJ
fis-170	167	51	the	the	DET
fis-170	167	52	whole	whole	ADJ
fis-170	167	53	system	system	NOUN
fis-170	167	54	is	be	AUX
fis-170	167	55	armed	arm	VERB
fis-170	167	56	and	and	CCONJ
fis-170	167	57	the	the	DET
fis-170	167	58	nipple	nipple	NOUN
fis-170	167	59	is	be	AUX
fis-170	167	60	placed	place	VERB
fis-170	167	61	in	in	ADP
fis-170	167	62	the	the	DET
fis-170	167	63	central	central	ADJ
fis-170	167	64	zone	zone	NOUN
fis-170	167	65	of	of	ADP
fis-170	167	66	the	the	DET
fis-170	167	67	piston	piston	NOUN
fis-170	167	68	,	,	PUNCT
fis-170	167	69	the	the	DET
fis-170	167	70	locking	locking	NOUN
fis-170	167	71	spheres	sphere	NOUN
fis-170	167	72	remain	remain	VERB
fis-170	167	73	pressed	pressed	ADJ
fis-170	167	74	on	on	ADP
fis-170	167	75	the	the	DET
fis-170	167	76	piston	piston	NOUN
fis-170	167	77	surface	surface	NOUN
fis-170	167	78	.	.	PUNCT
fis-170	168	1	this	this	PRON
fis-170	168	2	is	be	AUX
fis-170	168	3	testified	testify	VERB
fis-170	168	4	by	by	ADP
fis-170	168	5	the	the	DET
fis-170	168	6	circular	circular	ADJ
fis-170	168	7	impression	impression	NOUN
fis-170	168	8	observed	observe	VERB
fis-170	168	9	in	in	ADP
fis-170	168	10	this	this	DET
fis-170	168	11	zone	zone	NOUN
fis-170	168	12	.	.	PUNCT
fis-170	169	1	during	during	ADP
fis-170	169	2	the	the	DET
fis-170	169	3	opening	opening	NOUN
fis-170	169	4	phase	phase	NOUN
fis-170	169	5	the	the	DET
fis-170	169	6	spheres	sphere	NOUN
fis-170	169	7	,	,	PUNCT
fis-170	169	8	which	which	PRON
fis-170	169	9	are	be	AUX
fis-170	169	10	realized	realize	VERB
fis-170	169	11	with	with	ADP
fis-170	169	12	a	a	DET
fis-170	169	13	steel	steel	NOUN
fis-170	169	14	harder	hard	ADJ
fis-170	169	15	than	than	ADP
fis-170	169	16	the	the	DET
fis-170	169	17	steel	steel	NOUN
fis-170	169	18	en	en	ADP
fis-170	169	19	3358	3358	NUM
fis-170	169	20	,	,	PUNCT
fis-170	169	21	act	act	VERB
fis-170	169	22	as	as	ADP
fis-170	169	23	plows	plow	NOUN
fis-170	169	24	on	on	ADP
fis-170	169	25	the	the	DET
fis-170	169	26	piston	piston	NOUN
fis-170	169	27	surface	surface	NOUN
fis-170	169	28	generating	generate	VERB
fis-170	169	29	the	the	DET
fis-170	169	30	severe	severe	ADJ
fis-170	169	31	wear	wear	NOUN
fis-170	169	32	observed	observe	VERB
fis-170	169	33	.	.	PUNCT
fis-170	170	1	moreover	moreover	ADV
fis-170	170	2	under	under	ADP
fis-170	170	3	the	the	DET
fis-170	170	4	transversal	transversal	NOUN
fis-170	170	5	load	load	NOUN
fis-170	170	6	produced	produce	VERB
fis-170	170	7	by	by	ADP
fis-170	170	8	the	the	DET
fis-170	170	9	hatch	hatch	NOUN
fis-170	170	10	opening	opening	NOUN
fis-170	170	11	,	,	PUNCT
fis-170	170	12	they	they	PRON
fis-170	170	13	can	can	AUX
fis-170	170	14	act	act	VERB
fis-170	170	15	as	as	ADP
fis-170	170	16	fulcrum	fulcrum	NOUN
fis-170	170	17	and	and	CCONJ
fis-170	170	18	facilitate	facilitate	VERB
fis-170	170	19	the	the	DET
fis-170	170	20	misalignment	misalignment	NOUN
fis-170	170	21	between	between	ADP
fis-170	170	22	nipple	nipple	NOUN
fis-170	170	23	and	and	CCONJ
fis-170	170	24	piston	piston	NOUN
fis-170	170	25	.	.	PUNCT
fis-170	171	1	all	all	DET
fis-170	171	2	these	these	DET
fis-170	171	3	events	event	NOUN
fis-170	171	4	can	can	AUX
fis-170	171	5	produce	produce	VERB
fis-170	171	6	deformation	deformation	NOUN
fis-170	171	7	of	of	ADP
fis-170	171	8	the	the	DET
fis-170	171	9	involved	involved	ADJ
fis-170	171	10	components	component	NOUN
fis-170	171	11	and	and	CCONJ
fis-170	171	12	tolerance	tolerance	NOUN
fis-170	171	13	variation	variation	NOUN
fis-170	171	14	with	with	ADP
fis-170	171	15	the	the	DET
fis-170	171	16	consequent	consequent	ADJ
fis-170	171	17	seizure	seizure	NOUN
fis-170	171	18	of	of	ADP
fis-170	171	19	the	the	DET
fis-170	171	20	system	system	NOUN
fis-170	171	21	.	.	PUNCT
fis-170	172	1	several	several	ADJ
fis-170	172	2	studies	study	NOUN
fis-170	172	3	have	have	AUX
fis-170	172	4	been	be	AUX
fis-170	172	5	carried	carry	VERB
fis-170	172	6	out	out	ADP
fis-170	172	7	on	on	ADP
fis-170	172	8	the	the	DET
fis-170	172	9	wear	wear	NOUN
fis-170	172	10	resistance	resistance	NOUN
fis-170	172	11	of	of	ADP
fis-170	172	12	precipitation	precipitation	NOUN
fis-170	172	13	hardening	harden	VERB
fis-170	172	14	stainless	stainless	ADJ
fis-170	172	15	steel	steel	NOUN
fis-170	172	16	,	,	PUNCT
fis-170	173	1	[	[	X
fis-170	173	2	8	8	NUM
fis-170	173	3	-	-	SYM
fis-170	173	4	11	11	NUM
fis-170	173	5	]	]	PUNCT
fis-170	173	6	.	.	PUNCT
fis-170	174	1	they	they	PRON
fis-170	174	2	all	all	PRON
fis-170	174	3	conclude	conclude	VERB
fis-170	174	4	that	that	SCONJ
fis-170	174	5	these	these	DET
fis-170	174	6	steels	steel	NOUN
fis-170	174	7	do	do	AUX
fis-170	174	8	not	not	PART
fis-170	174	9	show	show	VERB
fis-170	174	10	high	high	ADJ
fis-170	174	11	wear	wear	NOUN
fis-170	174	12	resistance	resistance	NOUN
fis-170	174	13	,	,	PUNCT
fis-170	174	14	but	but	CCONJ
fis-170	174	15	it	it	PRON
fis-170	174	16	can	can	AUX
fis-170	174	17	be	be	AUX
fis-170	174	18	improved	improve	VERB
fis-170	174	19	by	by	ADP
fis-170	174	20	nitriding	nitride	VERB
fis-170	174	21	or	or	CCONJ
fis-170	174	22	nitrocarburising	nitrocarburising	NOUN
fis-170	174	23	process	process	NOUN
fis-170	174	24	which	which	PRON
fis-170	174	25	produce	produce	VERB
fis-170	174	26	a	a	DET
fis-170	174	27	very	very	ADV
fis-170	174	28	hard	hard	ADV
fis-170	174	29	thin	thin	ADJ
fis-170	174	30	superficial	superficial	ADJ
fis-170	174	31	layer	layer	NOUN
fis-170	174	32	.	.	PUNCT
fis-170	175	1	the	the	DET
fis-170	175	2	microhardness	microhardness	NOUN
fis-170	175	3	of	of	ADP
fis-170	175	4	this	this	DET
fis-170	175	5	modified	modify	VERB
fis-170	175	6	layer	layer	NOUN
fis-170	175	7	reaches	reach	VERB
fis-170	175	8	usually	usually	ADV
fis-170	175	9	1000	1000	NUM
fis-170	175	10	hv0.2	hv0.2	NUM
fis-170	175	11	-	-	SYM
fis-170	175	12	15	15	NUM
fis-170	175	13	.	.	PUNCT
fis-170	176	1	in	in	ADP
fis-170	176	2	this	this	DET
fis-170	176	3	way	way	NOUN
fis-170	176	4	the	the	DET
fis-170	176	5	wear	wear	NOUN
fis-170	176	6	rate	rate	NOUN
fis-170	176	7	can	can	AUX
fis-170	176	8	be	be	AUX
fis-170	176	9	reduced	reduce	VERB
fis-170	176	10	up	up	ADP
fis-170	176	11	to	to	PART
fis-170	176	12	15	15	NUM
fis-170	176	13	times	time	NOUN
fis-170	176	14	,	,	PUNCT
fis-170	176	15	with	with	ADP
fis-170	176	16	a	a	DET
fis-170	176	17	very	very	ADV
fis-170	176	18	low	low	ADJ
fis-170	176	19	increase	increase	NOUN
fis-170	176	20	of	of	ADP
fis-170	176	21	the	the	DET
fis-170	176	22	friction	friction	NOUN
fis-170	176	23	coefficient	coefficient	NOUN
fis-170	176	24	.	.	PUNCT
fis-170	177	1	several	several	ADJ
fis-170	177	2	nitriding	nitriding	ADJ
fis-170	177	3	and	and	CCONJ
fis-170	177	4	nitrocarburising	nitrocarburising	NOUN
fis-170	177	5	process	process	NOUN
fis-170	177	6	have	have	AUX
fis-170	177	7	been	be	AUX
fis-170	177	8	tested	test	VERB
fis-170	177	9	in	in	ADP
fis-170	177	10	the	the	DET
fis-170	177	11	past	past	NOUN
fis-170	177	12	.	.	PUNCT
fis-170	178	1	in	in	ADP
fis-170	178	2	particular	particular	ADJ
fis-170	178	3	better	well	ADJ
fis-170	178	4	results	result	NOUN
fis-170	178	5	have	have	AUX
fis-170	178	6	been	be	AUX
fis-170	178	7	obtained	obtain	VERB
fis-170	178	8	by	by	ADP
fis-170	178	9	plasma	plasma	NOUN
fis-170	178	10	nitriding	nitride	VERB
fis-170	178	11	process	process	NOUN
fis-170	178	12	or	or	CCONJ
fis-170	178	13	liquid	liquid	ADJ
fis-170	178	14	nitrocarburising	nitrocarburising	NOUN
fis-170	178	15	process	process	NOUN
fis-170	178	16	.	.	PUNCT
fis-170	179	1	the	the	DET
fis-170	179	2	first	first	ADJ
fis-170	179	3	process	process	NOUN
fis-170	179	4	employs	employ	VERB
fis-170	179	5	a	a	DET
fis-170	179	6	20	20	NUM
fis-170	179	7	%	%	NOUN
fis-170	179	8	n2	n2	NOUN
fis-170	179	9	+	+	CCONJ
fis-170	179	10	80	80	NUM
fis-170	179	11	%	%	NOUN
fis-170	179	12	h2	h2	NOUN
fis-170	179	13	atmosphere	atmosphere	NOUN
fis-170	179	14	at	at	ADP
fis-170	179	15	6	6	NUM
fis-170	179	16	x	x	SYM
fis-170	179	17	10	10	NUM
fis-170	179	18	-	-	SYM
fis-170	179	19	3	3	NUM
fis-170	179	20	bar	bar	NOUN
fis-170	179	21	and	and	CCONJ
fis-170	179	22	350	350	NUM
fis-170	179	23	-	-	SYM
fis-170	179	24	450	450	NUM
fis-170	179	25	°	°	NUM
fis-170	179	26	c	c	NOUN
fis-170	179	27	[	[	X
fis-170	179	28	6,10	6,10	X
fis-170	179	29	]	]	PUNCT
fis-170	179	30	.	.	PUNCT
fis-170	180	1	the	the	DET
fis-170	180	2	second	second	ADJ
fis-170	180	3	process	process	NOUN
fis-170	180	4	is	be	AUX
fis-170	180	5	performed	perform	VERB
fis-170	180	6	in	in	ADP
fis-170	180	7	a	a	DET
fis-170	180	8	cyanide	cyanide	NOUN
fis-170	180	9	salts	salt	NOUN
fis-170	180	10	bath	bath	NOUN
fis-170	180	11	(	(	PUNCT
fis-170	180	12	60	60	NUM
fis-170	180	13	%	%	NOUN
fis-170	180	14	kcn	kcn	PROPN
fis-170	180	15	,	,	PUNCT
fis-170	180	16	24	24	NUM
fis-170	180	17	%	%	NOUN
fis-170	180	18	kcl	kcl	NOUN
fis-170	180	19	and	and	CCONJ
fis-170	180	20	16	16	NUM
fis-170	180	21	%	%	NOUN
fis-170	180	22	k2co3	k2co3	ADJ
fis-170	180	23	)	)	PUNCT
fis-170	180	24	at	at	ADP
fis-170	180	25	575	575	NUM
fis-170	180	26	°	°	NOUN
fis-170	180	27	c	c	NOUN
fis-170	180	28	for	for	ADP
fis-170	180	29	6	6	NUM
fis-170	180	30	hours	hour	NOUN
fis-170	180	31	,	,	PUNCT
fis-170	180	32	[	[	X
fis-170	180	33	9	9	NUM
fis-170	180	34	]	]	PUNCT
fis-170	180	35	.	.	PUNCT
fis-170	181	1	both	both	DET
fis-170	181	2	these	these	DET
fis-170	181	3	process	process	NOUN
fis-170	181	4	guarantee	guarantee	VERB
fis-170	181	5	a	a	DET
fis-170	181	6	wear	wear	NOUN
fis-170	181	7	resistance	resistance	NOUN
fis-170	181	8	higher	high	ADJ
fis-170	181	9	than	than	ADP
fis-170	181	10	those	those	PRON
fis-170	181	11	of	of	ADP
fis-170	181	12	aged	aged	ADJ
fis-170	181	13	materials	material	NOUN
fis-170	181	14	,	,	PUNCT
fis-170	181	15	but	but	CCONJ
fis-170	181	16	unfortunately	unfortunately	ADV
fis-170	181	17	their	their	PRON
fis-170	181	18	process	process	NOUN
fis-170	181	19	temperature	temperature	NOUN
fis-170	181	20	are	be	AUX
fis-170	181	21	close	close	ADJ
fis-170	181	22	to	to	ADP
fis-170	181	23	the	the	DET
fis-170	181	24	ph	ph	ADJ
fis-170	181	25	stainless	stainless	ADJ
fis-170	181	26	steel	steel	NOUN
fis-170	181	27	aging	age	VERB
fis-170	181	28	temperature	temperature	NOUN
fis-170	181	29	.	.	PUNCT
fis-170	182	1	this	this	DET
fis-170	182	2	fact	fact	NOUN
fis-170	182	3	must	must	AUX
fis-170	182	4	be	be	AUX
fis-170	182	5	considered	consider	VERB
fis-170	182	6	in	in	ADP
fis-170	182	7	the	the	DET
fis-170	182	8	materials	material	NOUN
fis-170	182	9	processing	processing	NOUN
fis-170	182	10	because	because	SCONJ
fis-170	182	11	it	it	PRON
fis-170	182	12	can	can	AUX
fis-170	182	13	lead	lead	VERB
fis-170	182	14	to	to	ADP
fis-170	182	15	material	material	NOUN
fis-170	182	16	averaging	averaging	NOUN
fis-170	182	17	with	with	ADP
fis-170	182	18	a	a	DET
fis-170	182	19	reduction	reduction	NOUN
fis-170	182	20	of	of	ADP
fis-170	182	21	the	the	DET
fis-170	182	22	final	final	ADJ
fis-170	182	23	mechanical	mechanical	ADJ
fis-170	182	24	properties	property	NOUN
fis-170	182	25	.	.	PUNCT
fis-170	183	1	moreover	moreover	ADV
fis-170	183	2	nitriding	nitride	VERB
fis-170	183	3	process	process	NOUN
fis-170	183	4	of	of	ADP
fis-170	183	5	stainless	stainless	ADJ
fis-170	183	6	steel	steel	NOUN
fis-170	183	7	very	very	ADV
fis-170	183	8	often	often	ADV
fis-170	183	9	leads	lead	VERB
fis-170	183	10	to	to	ADP
fis-170	183	11	chromium	chromium	NOUN
fis-170	183	12	depletion	depletion	NOUN
fis-170	183	13	,	,	PUNCT
fis-170	183	14	due	due	ADP
fis-170	183	15	to	to	ADP
fis-170	183	16	precipitation	precipitation	NOUN
fis-170	183	17	of	of	ADP
fis-170	183	18	crn	crn	NOUN
fis-170	183	19	at	at	ADP
fis-170	183	20	temperature	temperature	NOUN
fis-170	183	21	above	above	ADP
fis-170	183	22	450	450	NUM
fis-170	183	23	°	°	NOUN
fis-170	183	24	c	c	NOUN
fis-170	183	25	which	which	PRON
fis-170	183	26	results	result	VERB
fis-170	183	27	in	in	ADP
fis-170	183	28	a	a	DET
fis-170	183	29	deterioration	deterioration	NOUN
fis-170	183	30	of	of	ADP
fis-170	183	31	the	the	DET
fis-170	183	32	corrosion	corrosion	NOUN
fis-170	183	33	behavior	behavior	NOUN
fis-170	183	34	.	.	PUNCT
fis-170	184	1	several	several	ADJ
fis-170	184	2	low	low	ADJ
fis-170	184	3	temperature	temperature	NOUN
fis-170	184	4	nitriding	nitride	VERB
fis-170	184	5	process	process	NOUN
fis-170	184	6	(	(	PUNCT
fis-170	184	7	i.e.	i.e.	X
fis-170	184	8	n+	n+	PRON
fis-170	184	9	implantation	implantation	NOUN
fis-170	184	10	which	which	PRON
fis-170	184	11	has	have	VERB
fis-170	184	12	a	a	DET
fis-170	184	13	process	process	NOUN
fis-170	184	14	temperature	temperature	NOUN
fis-170	184	15	of	of	ADP
fis-170	184	16	about	about	ADV
fis-170	184	17	100	100	NUM
fis-170	184	18	°	°	NOUN
fis-170	184	19	c	c	NOUN
fis-170	184	20	)	)	PUNCT
fis-170	184	21	has	have	AUX
fis-170	184	22	been	be	AUX
fis-170	184	23	studied	study	VERB
fis-170	184	24	but	but	CCONJ
fis-170	184	25	unfortunately	unfortunately	ADV
fis-170	184	26	their	their	PRON
fis-170	184	27	wear	wear	NOUN
fis-170	184	28	resistance	resistance	NOUN
fis-170	184	29	is	be	AUX
fis-170	184	30	not	not	PART
fis-170	184	31	so	so	ADV
fis-170	184	32	good	good	ADJ
fis-170	184	33	as	as	ADP
fis-170	184	34	those	those	PRON
fis-170	184	35	of	of	ADP
fis-170	184	36	the	the	DET
fis-170	184	37	high	high	ADJ
fis-170	184	38	temperature	temperature	NOUN
fis-170	184	39	nitriding	nitride	VERB
fis-170	184	40	process	process	NOUN
fis-170	184	41	,	,	PUNCT
fis-170	184	42	[	[	X
fis-170	184	43	11	11	NUM
fis-170	184	44	]	]	PUNCT
fis-170	184	45	.	.	PUNCT
fis-170	185	1	conclusion	conclusion	NOUN
fis-170	185	2	t	t	PROPN
fis-170	185	3	can	can	AUX
fis-170	185	4	be	be	AUX
fis-170	185	5	summarized	summarize	VERB
fis-170	185	6	that	that	SCONJ
fis-170	185	7	the	the	DET
fis-170	185	8	failure	failure	NOUN
fis-170	185	9	can	can	AUX
fis-170	185	10	be	be	AUX
fis-170	185	11	ascribed	ascribe	VERB
fis-170	185	12	both	both	PRON
fis-170	185	13	to	to	ADP
fis-170	185	14	the	the	DET
fis-170	185	15	wear	wear	NOUN
fis-170	185	16	phenomena	phenomenon	NOUN
fis-170	185	17	,	,	PUNCT
fis-170	185	18	coming	come	VERB
fis-170	185	19	from	from	ADP
fis-170	185	20	the	the	DET
fis-170	185	21	not	not	PART
fis-170	185	22	expected	expect	VERB
fis-170	185	23	continuous	continuous	ADJ
fis-170	185	24	contact	contact	NOUN
fis-170	185	25	between	between	ADP
fis-170	185	26	spheres	sphere	NOUN
fis-170	185	27	and	and	CCONJ
fis-170	185	28	piston	piston	NOUN
fis-170	185	29	surface	surface	NOUN
fis-170	185	30	,	,	PUNCT
fis-170	185	31	and	and	CCONJ
fis-170	185	32	to	to	PART
fis-170	185	33	incorrect	incorrect	ADJ
fis-170	185	34	evaluation	evaluation	NOUN
fis-170	185	35	of	of	ADP
fis-170	185	36	the	the	DET
fis-170	185	37	transversal	transversal	NOUN
fis-170	185	38	loads	load	NOUN
fis-170	185	39	applied	apply	VERB
fis-170	185	40	to	to	ADP
fis-170	185	41	the	the	DET
fis-170	185	42	whole	whole	ADJ
fis-170	185	43	system	system	NOUN
fis-170	185	44	.	.	PUNCT
fis-170	186	1	in	in	ADP
fis-170	186	2	order	order	NOUN
fis-170	186	3	to	to	PART
fis-170	186	4	eliminate	eliminate	VERB
fis-170	186	5	this	this	DET
fis-170	186	6	failure	failure	NOUN
fis-170	186	7	a	a	DET
fis-170	186	8	deep	deep	ADJ
fis-170	186	9	revision	revision	NOUN
fis-170	186	10	of	of	ADP
fis-170	186	11	the	the	DET
fis-170	186	12	system	system	NOUN
fis-170	186	13	design	design	NOUN
fis-170	186	14	must	must	AUX
fis-170	186	15	be	be	AUX
fis-170	186	16	done	do	VERB
fis-170	186	17	.	.	PUNCT
fis-170	187	1	in	in	ADP
fis-170	187	2	particular	particular	ADJ
fis-170	187	3	it	it	PRON
fis-170	187	4	must	must	AUX
fis-170	187	5	be	be	AUX
fis-170	187	6	reconsidered	reconsider	VERB
fis-170	187	7	the	the	DET
fis-170	187	8	design	design	NOUN
fis-170	187	9	of	of	ADP
fis-170	187	10	the	the	DET
fis-170	187	11	locking	lock	VERB
fis-170	187	12	components	component	NOUN
fis-170	187	13	in	in	ADP
fis-170	187	14	order	order	NOUN
fis-170	187	15	to	to	PART
fis-170	187	16	ensure	ensure	VERB
fis-170	187	17	that	that	SCONJ
fis-170	187	18	the	the	DET
fis-170	187	19	locking	locking	NOUN
fis-170	187	20	sphere	sphere	NOUN
fis-170	187	21	will	will	AUX
fis-170	187	22	not	not	PART
fis-170	187	23	be	be	AUX
fis-170	187	24	pressed	press	VERB
fis-170	187	25	on	on	ADP
fis-170	187	26	the	the	DET
fis-170	187	27	piston	piston	NOUN
fis-170	187	28	surface	surface	NOUN
fis-170	187	29	until	until	SCONJ
fis-170	187	30	the	the	DET
fis-170	187	31	nipple	nipple	NOUN
fis-170	187	32	reaches	reach	VERB
fis-170	187	33	the	the	DET
fis-170	187	34	piston	piston	NOUN
fis-170	187	35	countersink	countersink	NOUN
fis-170	187	36	.	.	PUNCT
fis-170	188	1	moreover	moreover	ADV
fis-170	188	2	the	the	DET
fis-170	188	3	nipple	nipple	NOUN
fis-170	188	4	could	could	AUX
fis-170	188	5	be	be	AUX
fis-170	188	6	elongated	elongate	VERB
fis-170	188	7	in	in	ADP
fis-170	188	8	order	order	NOUN
fis-170	188	9	to	to	PART
fis-170	188	10	increase	increase	VERB
fis-170	188	11	the	the	DET
fis-170	188	12	contact	contact	NOUN
fis-170	188	13	surface	surface	NOUN
fis-170	188	14	and	and	CCONJ
fis-170	188	15	to	to	PART
fis-170	188	16	reduce	reduce	VERB
fis-170	188	17	the	the	DET
fis-170	188	18	pressure	pressure	NOUN
fis-170	188	19	during	during	ADP
fis-170	188	20	the	the	DET
fis-170	188	21	relative	relative	ADJ
fis-170	188	22	sliding	sliding	NOUN
fis-170	188	23	.	.	PUNCT
fis-170	189	1	finally	finally	ADV
fis-170	189	2	it	it	PRON
fis-170	189	3	can	can	AUX
fis-170	189	4	be	be	AUX
fis-170	189	5	evaluate	evaluate	VERB
fis-170	189	6	the	the	DET
fis-170	189	7	possibility	possibility	NOUN
fis-170	189	8	to	to	PART
fis-170	189	9	employ	employ	VERB
fis-170	189	10	different	different	ADJ
fis-170	189	11	materials	material	NOUN
fis-170	189	12	with	with	ADP
fis-170	189	13	superficial	superficial	ADJ
fis-170	189	14	hardness	hardness	NOUN
fis-170	189	15	close	close	ADV
fis-170	189	16	to	to	ADP
fis-170	189	17	those	those	PRON
fis-170	189	18	of	of	ADP
fis-170	189	19	the	the	DET
fis-170	189	20	locking	locking	NOUN
fis-170	189	21	spheres	sphere	NOUN
fis-170	189	22	or	or	CCONJ
fis-170	189	23	at	at	ADP
fis-170	189	24	least	least	ADJ
fis-170	189	25	to	to	PART
fis-170	189	26	modify	modify	VERB
fis-170	189	27	the	the	DET
fis-170	189	28	superficial	superficial	ADJ
fis-170	189	29	mechanical	mechanical	ADJ
fis-170	189	30	properties	property	NOUN
fis-170	189	31	of	of	ADP
fis-170	189	32	the	the	DET
fis-170	189	33	employed	employ	VERB
fis-170	189	34	steel	steel	NOUN
fis-170	189	35	trough	trough	NOUN
fis-170	189	36	thermochemical	thermochemical	ADJ
fis-170	189	37	treatments	treatment	NOUN
fis-170	189	38	which	which	PRON
fis-170	189	39	lead	lead	VERB
fis-170	189	40	to	to	ADP
fis-170	189	41	a	a	DET
fis-170	189	42	wear	wear	VERB
fis-170	189	43	resistant	resistant	ADJ
fis-170	189	44	surface	surface	NOUN
fis-170	189	45	.	.	PUNCT
fis-170	190	1	references	reference	NOUN
fis-170	190	2	[	[	X
fis-170	190	3	1	1	NUM
fis-170	190	4	]	]	X
fis-170	190	5	g.di	g.di	PROPN
fis-170	190	6	caprio	caprio	PROPN
fis-170	190	7	,	,	PUNCT
fis-170	190	8	gli	gli	PROPN
fis-170	190	9	acciai	acciai	PROPN
fis-170	190	10	inossidabili	inossidabili	PROPN
fis-170	190	11	,	,	PUNCT
fis-170	190	12	hoepli	hoepli	PROPN
fis-170	190	13	,	,	PUNCT
fis-170	190	14	milano	milano	PROPN
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fis-170	190	16	2007	2007	NUM
fis-170	190	17	)	)	PUNCT
fis-170	190	18	.	.	PUNCT
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fis-170	191	2	2	2	NUM
fis-170	191	3	]	]	X
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fis-170	191	7	,	,	PUNCT
fis-170	191	8	m.	m.	NOUN
fis-170	191	9	ohanuma	ohanuma	PROPN
fis-170	191	10	,	,	PUNCT
fis-170	191	11	y.	y.	PROPN
fis-170	191	12	hirakawa	hirakawa	PROPN
fis-170	191	13	,	,	PUNCT
fis-170	191	14	y.	y.	PROPN
fis-170	191	15	kadoya	kadoya	PROPN
fis-170	191	16	,	,	PUNCT
fis-170	191	17	k.	k.	PROPN
fis-170	191	18	hono	hono	PROPN
fis-170	191	19	,	,	PUNCT
fis-170	191	20	materials	material	NOUN
fis-170	191	21	science	science	NOUN
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fis-170	191	25	,	,	PUNCT
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fis-170	191	27	(	(	PUNCT
fis-170	191	28	2005	2005	NUM
fis-170	191	29	)	)	PUNCT
fis-170	191	30	285	285	NUM
fis-170	191	31	.	.	PUNCT
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fis-170	192	2	3	3	X
fis-170	192	3	]	]	PUNCT
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fis-170	192	5	mitra	mitra	PROPN
fis-170	192	6	,	,	PUNCT
fis-170	192	7	g.k	g.k	PROPN
fis-170	192	8	.	.	PROPN
fis-170	192	9	dey	dey	PROPN
fis-170	192	10	,	,	PUNCT
fis-170	192	11	d.	d.	PROPN
fis-170	192	12	sen	sen	PROPN
fis-170	192	13	,	,	PUNCT
fis-170	192	14	a.k	a.k	PROPN
fis-170	192	15	.	.	PROPN
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fis-170	192	17	,	,	PUNCT
fis-170	192	18	s.	s.	PROPN
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fis-170	192	20	,	,	PUNCT
fis-170	192	21	p.k	p.k	PROPN
fis-170	192	22	.	.	PROPN
fis-170	192	23	de	de	PROPN
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fis-170	192	25	scripta	scripta	PROPN
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fis-170	192	27	,	,	PUNCT
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fis-170	192	29	(	(	PUNCT
fis-170	192	30	2004	2004	NUM
fis-170	192	31	)	)	PUNCT
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fis-170	192	33	.	.	PUNCT
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fis-170	193	2	4	4	NUM
fis-170	193	3	]	]	X
fis-170	193	4	p.w	p.w	PROPN
fis-170	193	5	.	.	PROPN
fis-170	193	6	hochanadel	hochanadel	PROPN
fis-170	193	7	,	,	PUNCT
fis-170	193	8	c.v	c.v	PROPN
fis-170	193	9	.	.	PROPN
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fis-170	193	11	,	,	PUNCT
fis-170	193	12	g.r	g.r	PROPN
fis-170	193	13	.	.	PROPN
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fis-170	193	15	,	,	PUNCT
fis-170	193	16	m.j	m.j	PROPN
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fis-170	193	18	,	,	PUNCT
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fis-170	193	20	and	and	CCONJ
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fis-170	193	22	transaction	transaction	NOUN
fis-170	193	23	a	a	PRON
fis-170	193	24	,	,	PUNCT
fis-170	193	25	25a	25a	NUM
fis-170	193	26	(	(	PUNCT
fis-170	193	27	1994	1994	NUM
fis-170	193	28	)	)	PUNCT
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fis-170	193	30	.	.	PUNCT
fis-170	194	1	[	[	X
fis-170	194	2	5	5	NUM
fis-170	194	3	]	]	SYM
fis-170	194	4	m.cieslak	m.cieslak	NUM
fis-170	194	5	,	,	PUNCT
fis-170	194	6	c.r	c.r	PROPN
fis-170	194	7	.	.	PROPN
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fis-170	194	9	,	,	PUNCT
fis-170	194	10	p.f	p.f	PROPN
fis-170	194	11	.	.	PROPN
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fis-170	194	13	,	,	PUNCT
fis-170	194	14	s.a	s.a	PROPN
fis-170	194	15	.	.	PROPN
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fis-170	194	17	,	,	PUNCT
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fis-170	194	19	transaction	transaction	NOUN
fis-170	194	20	a	a	PRON
fis-170	194	21	,	,	PUNCT
fis-170	194	22	21a	21a	NUM
fis-170	194	23	(	(	PUNCT
fis-170	194	24	1990	1990	NUM
fis-170	194	25	)	)	PUNCT
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fis-170	194	27	.	.	PUNCT
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fis-170	195	2	6	6	NUM
fis-170	195	3	]	]	X
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fis-170	195	9	j.	j.	PROPN
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fis-170	195	11	,	,	PUNCT
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fis-170	195	17	,	,	PUNCT
fis-170	195	18	jian	jian	PROPN
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fis-170	195	20	,	,	PUNCT
fis-170	195	21	bao	bao	PROPN
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fis-170	195	36	(	(	PUNCT
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fis-170	195	38	)	)	PUNCT
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fis-170	195	40	.	.	PUNCT
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fis-170	196	14	(	(	PUNCT
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fis-170	196	16	)	)	PUNCT
fis-170	196	17	.	.	PUNCT
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fis-170	197	2	8	8	NUM
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fis-170	197	7	t.	t.	PROPN
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fis-170	197	9	,	,	PUNCT
fis-170	197	10	s.	s.	PROPN
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fis-170	197	12	,	,	PUNCT
fis-170	197	13	j.	j.	PROPN
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fis-170	197	15	,	,	PUNCT
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fis-170	197	17	science	science	NOUN
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fis-170	197	19	,	,	PUNCT
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fis-170	197	23	(	(	PUNCT
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fis-170	197	25	)	)	PUNCT
fis-170	197	26	1053	1053	NUM
fis-170	197	27	.	.	PUNCT
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fis-170	198	2	9	9	NUM
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fis-170	198	4	g.	g.	PROPN
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fis-170	198	7	t.	t.	PROPN
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fis-170	198	9	,	,	PUNCT
fis-170	198	10	p	p	PROPN
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fis-170	198	19	(	(	PUNCT
fis-170	198	20	2004	2004	NUM
fis-170	198	21	)	)	PUNCT
fis-170	198	22	77	77	NUM
fis-170	198	23	.	.	PUNCT
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fis-170	199	2	10	10	NUM
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fis-170	199	7	a.	a.	PROPN
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fis-170	199	9	,	,	PUNCT
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fis-170	199	11	,	,	PUNCT
fis-170	199	12	108	108	NUM
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fis-170	199	15	)	)	PUNCT
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fis-170	199	17	.	.	PUNCT
fis-170	200	1	[	[	X
fis-170	200	2	11	11	NUM
fis-170	200	3	]	]	SYM
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fis-170	200	5	.	.	PROPN
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fis-170	200	7	,	,	PUNCT
fis-170	200	8	s.t	s.t	PROPN
fis-170	200	9	.	.	PROPN
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fis-170	200	11	,	,	PUNCT
fis-170	200	12	d.m	d.m	PROPN
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fis-170	200	15	,	,	PUNCT
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fis-170	200	17	.	.	PROPN
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fis-170	200	19	,	,	PUNCT
fis-170	200	20	j.a	j.a	PROPN
fis-170	200	21	.	.	PROPN
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fis-170	200	23	,	,	PUNCT
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fis-170	200	27	,	,	PUNCT
fis-170	200	28	107	107	NUM
fis-170	200	29	(	(	PUNCT
fis-170	200	30	1983	1983	NUM
fis-170	200	31	)	)	PUNCT
fis-170	200	32	287	287	NUM
fis-170	200	33	.	.	PUNCT
fis-170	201	1	i	i	PRON
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