About: Fatigue crack propagation in steels for railway axles

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An Entity of Type : http://linked.opendata.cz/ontology/domain/vavai/Vysledek, within Data Space : linked.opendata.cz associated with source document(s)

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	The paper deals with the influence of order of cycles in the loading block on the fatigue crack growth rate in railway axle. The railway axle can include some cracks from manufacturing process or initiated fatigue cracks from previous operation. It is advantageous to know how the crack will behave during further service of the train to ensure its safe operation. The most common approaches describing the fatigue crack growth do not take into account the effects of overload cycles, which enlarge the plastic zone ahead of the crack tip. The enlarged plastic zone generates residual compressive stresses, which cause a retardation of the fatigue crack growth. Finite element numerical calculations were used together with the generalized Willenborg model to determine influence of overload cycles on the increment of fatigue crack growing in railway axles. Real geometry of the axle, the crack front shape and typical loading spectrum were taken into account. The paper deals with the influence of order of cycles in the loading block on the fatigue crack growth rate in railway axle. The railway axle can include some cracks from manufacturing process or initiated fatigue cracks from previous operation. It is advantageous to know how the crack will behave during further service of the train to ensure its safe operation. The most common approaches describing the fatigue crack growth do not take into account the effects of overload cycles, which enlarge the plastic zone ahead of the crack tip. The enlarged plastic zone generates residual compressive stresses, which cause a retardation of the fatigue crack growth. Finite element numerical calculations were used together with the generalized Willenborg model to determine influence of overload cycles on the increment of fatigue crack growing in railway axles. Real geometry of the axle, the crack front shape and typical loading spectrum were taken into account. (en)
Title	Fatigue crack propagation in steels for railway axles Fatigue crack propagation in steels for railway axles (en)
skos:prefLabel	Fatigue crack propagation in steels for railway axles Fatigue crack propagation in steels for railway axles (en)
skos:notation	RIV/68081723:_____/14:00398731!RIV15-AV0-68081723
http://linked.open...avai/riv/aktivita	I P
http://linked.open...avai/riv/aktivity	I, P(EE2.3.20.0214)
http://linked.open...vai/riv/dodaniDat	2015
http://linked.open...aciTvurceVysledku	Náhlík, Luboš Hutař, Pavel Pokorný, Pavel
http://linked.open.../riv/druhVysledku	D - Článek ve sborníku
http://linked.open...iv/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open...titaPredkladatele	Ústav fyziky materiálů AV ČR, v. v. i.
http://linked.open...dnocenehoVysledku	16535
http://linked.open...ai/riv/idVysledku	RIV/68081723:_____/14:00398731
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	railway axle; crack retardation; variable loading amplitude; generalized Willenborg model (en)
http://linked.open.../riv/klicoveSlovo	generalized Willenborg model crack retardation variable loading amplitude railway axle
http://linked.open...ontrolniKodProRIV	[62988FD59CEE]
http://linked.open...v/mistoKonaniAkce	Brno
http://linked.open...i/riv/mistoVydani	Zurich
http://linked.open...i/riv/nazevZdroje	Materials Structure and Micromechanics of Fracture VII
http://linked.open...in/vavai/riv/obor	JL
http://linked.open...ichTvurcuVysledku	3 (xsd:int)
http://linked.open...cetTvurcuVysledku	4 (xsd:int)
http://linked.open...vavai/riv/projekt	Human Resources Development in the research of physical and material properties of emerging, newly developed and applied engineering materials
http://linked.open...UplatneniVysledku	2014
http://linked.open...iv/tvurceVysledku	Hutař, Pavel Náhlík, Luboš Pokorný, Pavel Matušek, P.
http://linked.open...vavai/riv/typAkce	WRD - Světová
http://linked.open...ain/vavai/riv/wos	000336694400055
http://linked.open.../riv/zahajeniAkce	2013-07-01 (xsd:date)
issn	1013-9826
number of pages	4 (xsd:int)
http://bibframe.org/vocab/doi	10.4028/www.scientific.net/KEM.592-593.254
http://purl.org/ne...btex#hasPublisher	Trans Tech Publications
https://schema.org/isbn	978-3-03785-934-6

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