About: Propagation of Long Fatigue Cracks under Remote Mode II, III and II+III in Metals

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	The aim of this research was to elucidate the crack growth micromechanism of modes II, III and mixed mode II+III in metallic materials. Experiments were performed on ferritic and austenitic steels and titanium (BCC, FCC and HCP metals) using CTS specimen loading for pure mode II, torsion device for pure mode III and special device for all modes II, III and the mixed mode II+III. The notches were precracked and thermally treated in a way that minimized crack closure effects. Crack growth rate dependences on stress intensity factor ranges were acquired and the threshold values for each loading mode and material were determined. Mode III thresholds were higher than those of mode II for different steels, which is in accordance with available micromechanism models. Similarly, mode II had higher contribution to mixed-mode II+III crack propagation. Fracture morphologies were studied using stereophotogrammetry in SEM and statistical evaluation of angles of crack-wake asperities. Significant differences betw The aim of this research was to elucidate the crack growth micromechanism of modes II, III and mixed mode II+III in metallic materials. Experiments were performed on ferritic and austenitic steels and titanium (BCC, FCC and HCP metals) using CTS specimen loading for pure mode II, torsion device for pure mode III and special device for all modes II, III and the mixed mode II+III. The notches were precracked and thermally treated in a way that minimized crack closure effects. Crack growth rate dependences on stress intensity factor ranges were acquired and the threshold values for each loading mode and material were determined. Mode III thresholds were higher than those of mode II for different steels, which is in accordance with available micromechanism models. Similarly, mode II had higher contribution to mixed-mode II+III crack propagation. Fracture morphologies were studied using stereophotogrammetry in SEM and statistical evaluation of angles of crack-wake asperities. Significant differences betw (en)
Title	Propagation of Long Fatigue Cracks under Remote Mode II, III and II+III in Metals Propagation of Long Fatigue Cracks under Remote Mode II, III and II+III in Metals (en)
skos:prefLabel	Propagation of Long Fatigue Cracks under Remote Mode II, III and II+III in Metals Propagation of Long Fatigue Cracks under Remote Mode II, III and II+III in Metals (en)
skos:notation	RIV/00216305:26620/13:PU106479!RIV14-GA0-26620___
http://linked.open...avai/predkladatel	Středoevropský technologický institut
http://linked.open...avai/riv/aktivita	P
http://linked.open...avai/riv/aktivity	P(GAP108/10/0698)
http://linked.open...vai/riv/dodaniDat	2014
http://linked.open...aciTvurceVysledku	Pokluda, Jaroslav Vojtek, Tomáš
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 / Středoevropský technologický institut
http://linked.open...dnocenehoVysledku	100356
http://linked.open...ai/riv/idVysledku	RIV/00216305:26620/13:PU106479
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	modes II and III, micromechanism, stereophotogrammetry, discrete dislocation theory, metals (en)
http://linked.open.../riv/klicoveSlovo	discrete dislocation theory micromechanism metals stereophotogrammetry modes II and III
http://linked.open...ontrolniKodProRIV	[141CB71C2CFF]
http://linked.open...in/vavai/riv/obor	JL
http://linked.open...ichTvurcuVysledku	2 (xsd:int)
http://linked.open...cetTvurcuVysledku	4 (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	2013
http://linked.open...iv/tvurceVysledku	Pokluda, Jaroslav Vojtek, Tomáš Hohenwarter, Anton Pippan, Reinhard
http://localhost/t...ganizacniJednotka	26620

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