About: Dislocation-based model of plasticity and roughness-induced crack closure

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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 presents a discrete dislocation model of contact shielding effects in the case of small-scale yielding under plane-strain conditions. The model is physically transparent and, unlike continuum-based models for plane stress, it enables us to directly assess the magnitude of both plasticity and roughness-induced components of crack closure. Moreover, it reflects an influence of microstructure on the roughness-induced term. The closure components can be simply extracted from experimentally measured values of the remote DK using standard data on mechanical properties and microstructure. Thus, the effective threshold DKeff,th can be obtained as nearly independent of microstructure coarseness and applied cyclic ratio as shown for several important engineering materials The paper presents a discrete dislocation model of contact shielding effects in the case of small-scale yielding under plane-strain conditions. The model is physically transparent and, unlike continuum-based models for plane stress, it enables us to directly assess the magnitude of both plasticity and roughness-induced components of crack closure. Moreover, it reflects an influence of microstructure on the roughness-induced term. The closure components can be simply extracted from experimentally measured values of the remote DK using standard data on mechanical properties and microstructure. Thus, the effective threshold DKeff,th can be obtained as nearly independent of microstructure coarseness and applied cyclic ratio as shown for several important engineering materials (en)
Title	Dislocation-based model of plasticity and roughness-induced crack closure Dislocation-based model of plasticity and roughness-induced crack closure (en)
skos:prefLabel	Dislocation-based model of plasticity and roughness-induced crack closure Dislocation-based model of plasticity and roughness-induced crack closure (en)
skos:notation	RIV/00216305:26210/13:PU103403!RIV14-MSM-26210___
http://linked.open...avai/predkladatel	Fakulta strojního inženýrství
http://linked.open...avai/riv/aktivita	Z
http://linked.open...avai/riv/aktivity	Z(MSM0021630518)
http://linked.open...iv/cisloPeriodika	1
http://linked.open...vai/riv/dodaniDat	2014
http://linked.open...aciTvurceVysledku	Pokluda, Jaroslav
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	Vysoké učení technické v Brně / Fakulta strojního inženýrství
http://linked.open...dnocenehoVysledku	69894
http://linked.open...ai/riv/idVysledku	RIV/00216305:26210/13:PU103403
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	Crack-tip shielding, Discrete dislocations, Fatigue crack-growth, Effective threshold, Size ratio (en)
http://linked.open.../riv/klicoveSlovo	Crack-tip shielding Discrete dislocations Effective threshold Fatigue crack-growth Size ratio
http://linked.open...odStatuVydavatele	GB - Spojené království Velké Británie a Severního Irska
http://linked.open...ontrolniKodProRIV	[421D3109CB43]
http://linked.open...i/riv/nazevZdroje	INTERNATIONAL JOURNAL OF FATIGUE
http://linked.open...in/vavai/riv/obor	JL
http://linked.open...ichTvurcuVysledku	1 (xsd:int)
http://linked.open...cetTvurcuVysledku	1 (xsd:int)
http://linked.open...UplatneniVysledku	2013
http://linked.open...v/svazekPeriodika	46
http://linked.open...iv/tvurceVysledku	Pokluda, Jaroslav
http://linked.open...ain/vavai/riv/wos	000312464500006
http://linked.open...n/vavai/riv/zamer	Simulation modelling of mechatronics systems
issn	0142-1123
number of pages	6 (xsd:int)
http://bibframe.org/vocab/doi	10.1016/j.ijfatigue.2011.11.016
http://localhost/t...ganizacniJednotka	26210

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