About: Two Parameter Fracture Mechanics: Fatigue Crack Behavior under Mixed Mode Conditions

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	Chování únavové trhliny je studováno na taženém vzorku se dvěma otvory. Experimentálně změřená dráha trhliny je porovnána s numericky predikovanou. Pro stanovení dráhy numericky simulované trhliny je použito MTS kritérium a jeho dvouparametrová modifikace. Je ukázáno, že v tomto případě nemá T-napětí zásadní vliv na dráhu šíření trhliny. Na druhou stranu má constraint efekt podstatný vliv na rychlost šíření únavové trhliny. (cs) The fatigue crack path has been studied on tensile specimen with holes. The experimental crack path trajectories were compared with those calculated numerically. To incorporate the influence of constraint on the crack curving, we predicted the fatigue crack path by using the two-parameter modification of the maximum tensile stress (MTS) criterion. The values of the mixed-mode stress intensity factors KI, and KII as well as the corresponding constraint level characterized by T-stress were calculated for the obtained curvilinear and the reference crack path trajectories. It is shown that in the studied configuration the effect of T-stress on the crack path is not significant. On the other hand the effect of constraint on the fatigue crack propagation rate is more pronounced. The fatigue crack path has been studied on tensile specimen with holes. The experimental crack path trajectories were compared with those calculated numerically. To incorporate the influence of constraint on the crack curving, we predicted the fatigue crack path by using the two-parameter modification of the maximum tensile stress (MTS) criterion. The values of the mixed-mode stress intensity factors KI, and KII as well as the corresponding constraint level characterized by T-stress were calculated for the obtained curvilinear and the reference crack path trajectories. It is shown that in the studied configuration the effect of T-stress on the crack path is not significant. On the other hand the effect of constraint on the fatigue crack propagation rate is more pronounced. (en)
Title	Two Parameter Fracture Mechanics: Fatigue Crack Behavior under Mixed Mode Conditions Dvouparametrová lomová mechanika: chování únavové trhliny při kombinovaném namáhání (cs) Two Parameter Fracture Mechanics: Fatigue Crack Behavior under Mixed Mode Conditions (en)
skos:prefLabel	Two Parameter Fracture Mechanics: Fatigue Crack Behavior under Mixed Mode Conditions Dvouparametrová lomová mechanika: chování únavové trhliny při kombinovaném namáhání (cs) Two Parameter Fracture Mechanics: Fatigue Crack Behavior under Mixed Mode Conditions (en)
skos:notation	RIV/68081723:_____/08:00317629!RIV09-AV0-68081723
http://linked.open...avai/riv/aktivita	P Z
http://linked.open...avai/riv/aktivity	P(GP101/04/P001), Z(AV0Z20410507)
http://linked.open...iv/cisloPeriodika	3-4
http://linked.open...vai/riv/dodaniDat	2009
http://linked.open...aciTvurceVysledku	Knésl, Zdeněk Seitl, Stanislav
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	Ústav fyziky materiálů AV ČR, v. v. i.
http://linked.open...dnocenehoVysledku	400964
http://linked.open...ai/riv/idVysledku	RIV/68081723:_____/08:00317629
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	Constraint; Mixed-mode loading; Fatigue crack; Crack growth; Crack path (en)
http://linked.open.../riv/klicoveSlovo	Mixed-mode loading Constraint Crack growth Fatigue crack Crack path
http://linked.open...odStatuVydavatele	GB - Spojené království Velké Británie a Severního Irska
http://linked.open...ontrolniKodProRIV	[9BAE42238FC4]
http://linked.open...i/riv/nazevZdroje	Engineering Fracture Mechanics
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...vavai/riv/projekt	The influence of constraint on threshold values of the stress intensity factor
http://linked.open...UplatneniVysledku	2008
http://linked.open...v/svazekPeriodika	75
http://linked.open...iv/tvurceVysledku	Knésl, Zdeněk Seitl, Stanislav
http://linked.open...ain/vavai/riv/wos	000252231800048
http://linked.open...n/vavai/riv/zamer	Physical properties of advanced materials in relation to their microstructure and processing
issn	0013-7944
number of pages	9 (xsd:int)
is http://linked.open...avai/riv/vysledek of	Two Parameter Fracture Mechanics: Fatigue Crack Behavior under Mixed Mode Conditions Two Parameter Fracture Mechanics: Fatigue Crack Behavior under Mixed Mode Conditions

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