About: Crack stability condition at the interface between two polymer materials

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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 aim of this work is to study the behaviour of crack with its tip at the interface of two polymer materials. The numerical model of cracked bi-material tension specimen is investigated and a stability criterion was tested. Usually a stability criterion based on general stress concentrator needs the relation between critical value of the generalized stress intensity factor and critical value of the stress intensity factor (fracture toughness). This relation is a function of elastic mismatch between particular materials, fracture toughness of the main material and critical distance d. Estimation of d is usually not straightforward and different authors use different approaches for its determination. Therefore main aim of this study is mutual comparison of published approaches for d estimation and to quantify their effect on the critical loading value. The results of this study can lead to better lifetime prediction and design of layered structures. The aim of this work is to study the behaviour of crack with its tip at the interface of two polymer materials. The numerical model of cracked bi-material tension specimen is investigated and a stability criterion was tested. Usually a stability criterion based on general stress concentrator needs the relation between critical value of the generalized stress intensity factor and critical value of the stress intensity factor (fracture toughness). This relation is a function of elastic mismatch between particular materials, fracture toughness of the main material and critical distance d. Estimation of d is usually not straightforward and different authors use different approaches for its determination. Therefore main aim of this study is mutual comparison of published approaches for d estimation and to quantify their effect on the critical loading value. The results of this study can lead to better lifetime prediction and design of layered structures. (en)
Title	Crack stability condition at the interface between two polymer materials Crack stability condition at the interface between two polymer materials (en)
skos:prefLabel	Crack stability condition at the interface between two polymer materials Crack stability condition at the interface between two polymer materials (en)
skos:notation	RIV/68081723:_____/11:00370346!RIV12-AV0-68081723
http://linked.open...avai/riv/aktivita	P S Z
http://linked.open...avai/riv/aktivity	P(GA106/09/0279), S, Z(AV0Z20410507)
http://linked.open...vai/riv/dodaniDat	2012
http://linked.open...aciTvurceVysledku	Knésl, Zdeněk Náhlík, Luboš Hutař, Pavel Ševčík, Martin Zouhar, Michal
http://linked.open.../riv/druhVysledku	D - Článek ve sborníku
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	192172
http://linked.open...ai/riv/idVysledku	RIV/68081723:_____/11:00370346
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	stability criterion; critical distance; bi-material; generalized stress intensity factor (en)
http://linked.open.../riv/klicoveSlovo	bi-material critical distance generalized stress intensity factor stability criterion
http://linked.open...ontrolniKodProRIV	[5B8631BC91E4]
http://linked.open...v/mistoKonaniAkce	Velké Bílovice
http://linked.open...i/riv/mistoVydani	Brno, Česká republika
http://linked.open...i/riv/nazevZdroje	Applied Mechanics 2011
http://linked.open...in/vavai/riv/obor	JL
http://linked.open...ichTvurcuVysledku	5 (xsd:int)
http://linked.open...cetTvurcuVysledku	5 (xsd:int)
http://linked.open...vavai/riv/projekt	Fracture damage mechanism of multilayer polymer body
http://linked.open...UplatneniVysledku	2011
http://linked.open...iv/tvurceVysledku	Hutař, Pavel Knésl, Zdeněk Náhlík, Luboš Zouhar, Michal Ševčík, Martin
http://linked.open...vavai/riv/typAkce	EUR - Evropská
http://linked.open.../riv/zahajeniAkce	2011-04-18 (xsd:date)
http://linked.open...n/vavai/riv/zamer	Physical properties of advanced materials in relation to their microstructure and processing
number of pages	4 (xsd:int)
http://purl.org/ne...btex#hasPublisher	Ústav fyziky materiálů AV ČR
https://schema.org/isbn	978-80-87434-03-1

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