About: Analysis of Roughness-Induced Crack-Tip Shielding in Terms of Size Ratio Effect

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	Analýza drsnostně indukovaného stínění špice trhliny s užitím vlivu velikostního poměru (cs) A new theoretical concept is introduced to describe the roughness-induced shielding effects in metallic materials. It is based on the statistics of the local ratio between the characteristic microstructure distance and the plastic zone size. Both the crack branching and the crack closure phenomena are generally described in the frame of linear elastic fracture mechanics under the assumption of the remote Mode I loading. Using this approach, intrinsic values of fracture toughness and fatigue crack growthh threshold can be determined, and the roughness-induced component can be separated from other closure components, such as plasticity or oxide induced closure. In order to estimate the total RIS effect, standard material data as the yield stress, the mean grain size, the surface roughness, and the fracture mode are only necessary. Application examples concerning static fracture and fatigue are presented for UHSLA steels, ARMCO iron, aluminum, and titanium alloys. A new theoretical concept is introduced to describe the roughness-induced shielding effects in metallic materials. It is based on the statistics of the local ratio between the characteristic microstructure distance and the plastic zone size. Both the crack branching and the crack closure phenomena are generally described in the frame of linear elastic fracture mechanics under the assumption of the remote Mode I loading. Using this approach, intrinsic values of fracture toughness and fatigue crack growthh threshold can be determined, and the roughness-induced component can be separated from other closure components, such as plasticity or oxide induced closure. In order to estimate the total RIS effect, standard material data as the yield stress, the mean grain size, the surface roughness, and the fracture mode are only necessary. Application examples concerning static fracture and fatigue are presented for UHSLA steels, ARMCO iron, aluminum, and titanium alloys. (en)
Title	Analysis of Roughness-Induced Crack-Tip Shielding in Terms of Size Ratio Effect Analýza drsnostně indukovaného stínění špice trhliny s užitím vlivu velikostního poměru (cs) Analysis of Roughness-Induced Crack-Tip Shielding in Terms of Size Ratio Effect (en)
skos:prefLabel	Analysis of Roughness-Induced Crack-Tip Shielding in Terms of Size Ratio Effect Analýza drsnostně indukovaného stínění špice trhliny s užitím vlivu velikostního poměru (cs) Analysis of Roughness-Induced Crack-Tip Shielding in Terms of Size Ratio Effect (en)
skos:notation	RIV/00216305:26210/05:PU54053!RIV06-GA0-26210___
http://linked.open.../vavai/riv/strany	1-15
http://linked.open...avai/riv/aktivita	P
http://linked.open...avai/riv/aktivity	P(GA101/02/0683), P(GA106/02/0253)
http://linked.open...iv/cisloPeriodika	4
http://linked.open...vai/riv/dodaniDat	2006
http://linked.open...aciTvurceVysledku	Pokluda, Jaroslav Šandera, Pavel Horníková, Jana
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	512101
http://linked.open...ai/riv/idVysledku	RIV/00216305:26210/05:PU54053
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	roughness-induced shielding, crack branching, crack closure, size ratio, statistical approach (en)
http://linked.open.../riv/klicoveSlovo	crack branching crack closure roughness-induced shielding size ratio statistical approach
http://linked.open...odStatuVydavatele	US - Spojené státy americké
http://linked.open...ontrolniKodProRIV	[171C42545919]
http://linked.open...i/riv/nazevZdroje	Journal of ASTM International
http://linked.open...in/vavai/riv/obor	JL
http://linked.open...ichTvurcuVysledku	3 (xsd:int)
http://linked.open...cetTvurcuVysledku	3 (xsd:int)
http://linked.open...vavai/riv/projekt	Analysis of fracture along segregated grain boundaries in bicrystals and polycrystals Crack/microcrack behaviour in selected brittle matrix composites
http://linked.open...UplatneniVysledku	2005
http://linked.open...v/svazekPeriodika	2
http://linked.open...iv/tvurceVysledku	Pokluda, Jaroslav Horníková, Jana Šandera, Pavel
issn	1546-962X
number of pages	15 (xsd:int)
http://localhost/t...ganizacniJednotka	26210

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