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Statements

Subject Item
n2:RIV%2F00216305%3A26210%2F08%3APU77942%21RIV09-GA0-26210___
rdf:type
n5:Vysledek skos:Concept
dcterms:description
Článek se zabývá šířením trhlin v blízkosti rozhraní ve vrstevnatých materiálech. V případě, kdy se vrchol trhliny dostane na rozhraní, je nutné rozhodnout, zda se bude trhlina šířit dál do druhého materiálu nebo ne. Skoková změna materiálových vlastností na rozhraní zabraňuje možnosti použít klasický přístup lineárně elastické lomové mechaniky. Je nutné použít zobecněný přístup. Pro určení kritické hodnoty aplikovaného zatížení byla použita dvě kritéria. Paper deals with the problem of crack propagation in the vicinity of the interface in layered materials. Layered materials are often used in practice, primarily because of their better mechanical properties in comparison with properties of individual materials components. The configuration of a crack with its tip at the bi-material inter-face can be created during the crack propagation in the structure. It is important to decide if the crack propagates into the second material in this case. The step change of material properties at bi-material interface causes that the classical linear elastic fracture mechanics cannot be used. A generalized approach has to be applied. In this paper, two criteria are applied for the determination of the critical value of applied load. Knowledge of these values is important for the estimation of service life time of such structures. Results obtained can be used espe-cially for multi-layer polymer composites design. On the basis of presented procedures, suitable materia Paper deals with the problem of crack propagation in the vicinity of the interface in layered materials. Layered materials are often used in practice, primarily because of their better mechanical properties in comparison with properties of individual materials components. The configuration of a crack with its tip at the bi-material inter-face can be created during the crack propagation in the structure. It is important to decide if the crack propagates into the second material in this case. The step change of material properties at bi-material interface causes that the classical linear elastic fracture mechanics cannot be used. A generalized approach has to be applied. In this paper, two criteria are applied for the determination of the critical value of applied load. Knowledge of these values is important for the estimation of service life time of such structures. Results obtained can be used espe-cially for multi-layer polymer composites design. On the basis of presented procedures, suitable materia
dcterms:title
Crack propagation in the vicinity of the interface in layered materials Šíření trhliny v blízkosti rozhraní ve vrstevnatých materiálech Crack propagation in the vicinity of the interface in layered materials
skos:prefLabel
Crack propagation in the vicinity of the interface in layered materials Šíření trhliny v blízkosti rozhraní ve vrstevnatých materiálech Crack propagation in the vicinity of the interface in layered materials
skos:notation
RIV/00216305:26210/08:PU77942!RIV09-GA0-26210___
n3:aktivita
n10:P
n3:aktivity
P(GA106/08/1409), P(GD106/05/H008)
n3:dodaniDat
n8:2009
n3:domaciTvurceVysledku
n9:6154557 n9:3810615 n9:3875636
n3:druhVysledku
n12:O
n3:duvernostUdaju
n15:S
n3:entitaPredkladatele
n16:predkladatel
n3:idSjednocenehoVysledku
361505
n3:idVysledku
RIV/00216305:26210/08:PU77942
n3:jazykVysledku
n14:eng
n3:klicovaSlova
crack, bi-material interface, stability criteria, layered materials
n3:klicoveSlovo
n6:crack n6:bi-material%20interface n6:layered%20materials n6:stability%20criteria
n3:kontrolniKodProRIV
[94ED407B816B]
n3:obor
n17:JL
n3:pocetDomacichTvurcuVysledku
3
n3:pocetTvurcuVysledku
4
n3:projekt
n4:GA106%2F08%2F1409 n4:GD106%2F05%2FH008
n3:rokUplatneniVysledku
n8:2008
n3:tvurceVysledku
Knésl, Zdeněk Náhlík, Luboš Šestáková, Lucie Hutař, Pavel
n13:organizacniJednotka
26210