About: Assessment of a bi-material wedge with two stress singularities

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	Joints of different materials have many applications in structural engineering and microelectronics. In the present contribution the joint is modeled as a bi-material wedge. The singular character of the stress field near the wedge tip is investigated. Depending on the geometry of the wedge and the selection of the materials, the stress field can have two singularities. Correspondingly the singular stress field is expressed as a sum of two singular terms with different stress singularity exponents. It is shown that to study the problem of a crack onset at the wedge, both two terms have to be taken into account. First, the angle of the direction of potential crack initiation is determined. Then a criterion for crack nucleation and propagation in the selected direction is formulated Joints of different materials have many applications in structural engineering and microelectronics. In the present contribution the joint is modeled as a bi-material wedge. The singular character of the stress field near the wedge tip is investigated. Depending on the geometry of the wedge and the selection of the materials, the stress field can have two singularities. Correspondingly the singular stress field is expressed as a sum of two singular terms with different stress singularity exponents. It is shown that to study the problem of a crack onset at the wedge, both two terms have to be taken into account. First, the angle of the direction of potential crack initiation is determined. Then a criterion for crack nucleation and propagation in the selected direction is formulated (en) Spojení různých materiálů má mnoho aplikací v konstrukčním inženýrství a mikroelektronice. V tomto příspěvku je spojení materiálů modelováno jako bi-materiálový vrub. Je sledován singulární charakter pole napětí v blízkosti jeho vrcholu. V závislosti na geometrii a použitých materiálech, pole napětí může mít obecně dva singulární členy. Je ukázáno, že ke studiu iniciace trhliny z vrubu je nutné brát v úvahu oba singulární členy. Nejprve je určen směr iniciace trhliny. Poté je formulováno kriterium iniciace trhliny do jedné z materiálových oblastí. (cs)
Title	Assessment of a bi-material wedge with two stress singularities Posouzení bi-materiálového vrubu se dvěma singularitami (cs) Assessment of a bi-material wedge with two stress singularities (en)
skos:prefLabel	Assessment of a bi-material wedge with two stress singularities Posouzení bi-materiálového vrubu se dvěma singularitami (cs) Assessment of a bi-material wedge with two stress singularities (en)
skos:notation	RIV/68081723:_____/05:00024541!RIV06-AV0-68081723
http://linked.open.../vavai/riv/strany	211;216
http://linked.open...avai/riv/aktivita	P Z
http://linked.open...avai/riv/aktivity	P(GA101/05/0320), P(GP106/03/P054), Z(AV0Z20410507)
http://linked.open...vai/riv/dodaniDat	2006
http://linked.open...aciTvurceVysledku	Knésl, Zdeněk Klusák, Jan
http://linked.open.../riv/druhVysledku	C - Kapitola v knize
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	513156
http://linked.open...ai/riv/idVysledku	RIV/68081723:_____/05:00024541
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	bi-material wedge; stabiltiy criterion (en)
http://linked.open.../riv/klicoveSlovo	bi-material wedge stabiltiy criterion
http://linked.open...ontrolniKodProRIV	[BADFAB72A6EE]
http://linked.open...i/riv/mistoVydani	Eastleigh
http://linked.open...i/riv/nazevZdroje	Advances in Fracture and Damage Mechanics /4./
http://linked.open...in/vavai/riv/obor	JL
http://linked.open...ichTvurcuVysledku	2 (xsd:int)
http://linked.open...cetTvurcuVysledku	2 (xsd:int)
http://linked.open...vavai/riv/projekt	Linear elastic fracture mechanics of a bi-material wedge Solution of general stress concentrators in anisotropic heterogeneous media via combination of FEM and continuously distributed dislocation technique
http://linked.open...UplatneniVysledku	2005
http://linked.open...iv/tvurceVysledku	Knésl, Zdeněk Klusák, Jan
http://linked.open...n/vavai/riv/zamer	Physical properties of advanced materials in relation to their microstructure and processing
number of pages	6 (xsd:int)
http://purl.org/ne...btex#hasPublisher	EC, Ltd
https://schema.org/isbn	0-9547783-1-6

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