About: Equivalent K-factor for Near-threshold Mode II+III Fatigue Crack Growth in ARMCO Iron

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	The research was focused on the near-threshold fatigue crack propagation under mixed-mode II+III in the ARMCO iron. The aim was to evaluate selected mixed-mode criteria to find a suitable description of the mixed-mode crack propagation. The data were taken from experiments on cylindrical bars with circumferential cracked notch loaded in shear. The crack was loaded by various combination of modes II and III. The dependences of stress intensity factors (SIFs) in mode II and III on the position on the specimen cross section and on the precrack length were numerically calculated using FEM. Because of the crack closure effect, the effective SIF was dependent on the crack extension. For sorting out the mixed-mode data, simple criteria were proposed and analyzed. All these criteria are normalized to 1 when approaching the mixed-mode threshold. The research was focused on the near-threshold fatigue crack propagation under mixed-mode II+III in the ARMCO iron. The aim was to evaluate selected mixed-mode criteria to find a suitable description of the mixed-mode crack propagation. The data were taken from experiments on cylindrical bars with circumferential cracked notch loaded in shear. The crack was loaded by various combination of modes II and III. The dependences of stress intensity factors (SIFs) in mode II and III on the position on the specimen cross section and on the precrack length were numerically calculated using FEM. Because of the crack closure effect, the effective SIF was dependent on the crack extension. For sorting out the mixed-mode data, simple criteria were proposed and analyzed. All these criteria are normalized to 1 when approaching the mixed-mode threshold. (en)
Title	Equivalent K-factor for Near-threshold Mode II+III Fatigue Crack Growth in ARMCO Iron Equivalent K-factor for Near-threshold Mode II+III Fatigue Crack Growth in ARMCO Iron (en)
skos:prefLabel	Equivalent K-factor for Near-threshold Mode II+III Fatigue Crack Growth in ARMCO Iron Equivalent K-factor for Near-threshold Mode II+III Fatigue Crack Growth in ARMCO Iron (en)
skos:notation	RIV/00216305:26210/12:PU101109!RIV13-GA0-26210___
http://linked.open...avai/riv/aktivita	I P
http://linked.open...avai/riv/aktivity	I, P(GAP108/10/0698)
http://linked.open...vai/riv/dodaniDat	2013
http://linked.open...aciTvurceVysledku	Pokluda, Jaroslav Vojtek, Tomáš Šandera, Pavel Horníková, Jana
http://linked.open.../riv/druhVysledku	O - Ostatní výsledky nezařaditelné do žádného z výše uvedených druhů výsledku
http://linked.open...iv/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open...titaPredkladatele	Vysoké učení technické v Brně / Fakulta strojního inženýrství
http://linked.open...dnocenehoVysledku	134647
http://linked.open...ai/riv/idVysledku	RIV/00216305:26210/12:PU101109
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	mode II+III, crack growth threshold, mixed-mode criteria, ARMCO iron (en)
http://linked.open.../riv/klicoveSlovo	ARMCO iron crack growth threshold mixed-mode criteria mode II+III
http://linked.open...ontrolniKodProRIV	[3896F337E5D8]
http://linked.open...in/vavai/riv/obor	JL
http://linked.open...ichTvurcuVysledku	4 (xsd:int)
http://linked.open...cetTvurcuVysledku	6 (xsd:int)
http://linked.open...vavai/riv/projekt	New Approaches to Investigation of Fatigue Crack Propagation in Modes II, III and II+III
http://linked.open...UplatneniVysledku	2012
http://linked.open...iv/tvurceVysledku	Pokluda, Jaroslav Vojtek, Tomáš Horníková, Jana Šandera, Pavel Hohenwarter, Anton Pippan, Reinhard
http://localhost/t...ganizacniJednotka	26210

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