About: 101902 Effects of different microstructure on resistance of EA4T railway axle steel of equal strength to fatigue crack growth

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About: 101902 Effects of different microstructure on resistance of EA4T railway axle steel of equal strength to fatigue crack growth Goto Sponge NotDistinct Permalink

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
rdfs:seeAlso	http://www.scientific.net/KEM
Description	Fatigue crack growth (FCG) rates in an EA4T railway axle steel heat treated by two different methods in near threshold and stable regions of growth were evaluated. Quite significant differences were observed, when the obtained results were compared with those published in the literature. Participation of the laboratory in an Exova (GE Aviation) FCG measurement qualification round robin programme with very good results practically excluded errors in the experimental methodology used. Strength of the two different evaluated series of the experimental material was equivalent. Nevertheless, there were substantial differences in fatigue crack growth rates, about 5-times in stable FCG region and even more than 10-times in the near threshold region, when oil quenching and air hardening treatments were compared. The differences were explained by different microstructures of the two groups of materials. Some minor differences between the character of the FCG curve in the threshold region evaluated using SEN(B) and M(T) specimens, published in the literature, are discussed considering crack closure phenomenon. Fatigue crack growth (FCG) rates in an EA4T railway axle steel heat treated by two different methods in near threshold and stable regions of growth were evaluated. Quite significant differences were observed, when the obtained results were compared with those published in the literature. Participation of the laboratory in an Exova (GE Aviation) FCG measurement qualification round robin programme with very good results practically excluded errors in the experimental methodology used. Strength of the two different evaluated series of the experimental material was equivalent. Nevertheless, there were substantial differences in fatigue crack growth rates, about 5-times in stable FCG region and even more than 10-times in the near threshold region, when oil quenching and air hardening treatments were compared. The differences were explained by different microstructures of the two groups of materials. Some minor differences between the character of the FCG curve in the threshold region evaluated using SEN(B) and M(T) specimens, published in the literature, are discussed considering crack closure phenomenon. (en)
Title	101902 Effects of different microstructure on resistance of EA4T railway axle steel of equal strength to fatigue crack growth 101902 Effects of different microstructure on resistance of EA4T railway axle steel of equal strength to fatigue crack growth (en)
skos:prefLabel	101902 Effects of different microstructure on resistance of EA4T railway axle steel of equal strength to fatigue crack growth 101902 Effects of different microstructure on resistance of EA4T railway axle steel of equal strength to fatigue crack growth (en)
skos:notation	RIV/25797000:_____/14:#0000476!RIV15-MSM-25797000
http://linked.open...avai/riv/aktivita	Z
http://linked.open...avai/riv/aktivity	Z(MSM2579700001)
http://linked.open...iv/cisloPeriodika	2014
http://linked.open...vai/riv/dodaniDat	2015
http://linked.open...aciTvurceVysledku	Linhart, Václav Černý, Ivo
http://linked.open.../riv/druhVysledku	J - Článek v odborném periodiku
http://linked.open...iv/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open...titaPredkladatele	SVÚM a.s.
http://linked.open...dnocenehoVysledku	58070
http://linked.open...ai/riv/idVysledku	RIV/25797000:_____/14:#0000476
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	EA4T railway axle steel; Fatigue crack growth (en)
http://linked.open.../riv/klicoveSlovo	Fatigue crack growth EA4T railway axle steel
http://linked.open...odStatuVydavatele	CH - Švýcarská konfederace
http://linked.open...ontrolniKodProRIV	[8AA344A2D4E5]
http://linked.open...i/riv/nazevZdroje	Key Engineering Materials
http://linked.open...in/vavai/riv/obor	JL
http://linked.open...ichTvurcuVysledku	2 (xsd:int)
http://linked.open...cetTvurcuVysledku	2 (xsd:int)
http://linked.open...UplatneniVysledku	2014
http://linked.open...v/svazekPeriodika	592-593
http://linked.open...iv/tvurceVysledku	Linhart, Václav Černý, Ivo
http://linked.open...n/vavai/riv/zamer	Research of damage mechanism and quantification of defects influence on life time of components utilised in heavy duty working conditions.
issn	1013-9826
number of pages	4 (xsd:int)
http://bibframe.org/vocab/doi	10.4028/www.scientific.net/KEM.592-593.631

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