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Statements

Subject Item
n2:RIV%2F00216305%3A26210%2F12%3APU100208%21RIV13-GA0-26210___
rdf:type
skos:Concept n16:Vysledek
dcterms:description
In this work a computational tool, aiming to predict the crack propagation (i.e. straight propagation, single deflection or bifurcation) on layered ceramics designed with internal residual stresses, is developed. They consist of two material layers with different properties, alternated in a multilayer structure. The internal stresses developed during sintering are associated with the volume ratio of both materials, i.e. V1/V2. The computational model is based on Finite Fracture Mechanics theory, especially focused on cracks terminating at the interface of the two different material layers. The method utilizes a matched asymptotic procedure to derive the change of potential energy associated with the fracture process. A combined loading (thermal and mechanical) is taken into consideration to clarify the influence of the residual stresses on the crack path during fracture. The crack paths predicted by the model are compared and discussed with experimental observations on layered ceramics designed with r In this work a computational tool, aiming to predict the crack propagation (i.e. straight propagation, single deflection or bifurcation) on layered ceramics designed with internal residual stresses, is developed. They consist of two material layers with different properties, alternated in a multilayer structure. The internal stresses developed during sintering are associated with the volume ratio of both materials, i.e. V1/V2. The computational model is based on Finite Fracture Mechanics theory, especially focused on cracks terminating at the interface of the two different material layers. The method utilizes a matched asymptotic procedure to derive the change of potential energy associated with the fracture process. A combined loading (thermal and mechanical) is taken into consideration to clarify the influence of the residual stresses on the crack path during fracture. The crack paths predicted by the model are compared and discussed with experimental observations on layered ceramics designed with r
dcterms:title
Crack path prediction in layered ceramics designed with residual stresses. Crack path prediction in layered ceramics designed with residual stresses.
skos:prefLabel
Crack path prediction in layered ceramics designed with residual stresses. Crack path prediction in layered ceramics designed with residual stresses.
skos:notation
RIV/00216305:26210/12:PU100208!RIV13-GA0-26210___
n16:predkladatel
n20:orjk%3A26210
n4:aktivita
n10:P
n4:aktivity
P(GA101/09/1821)
n4:dodaniDat
n19:2013
n4:domaciTvurceVysledku
n12:2510944 n12:3170608
n4:druhVysledku
n21:D
n4:duvernostUdaju
n6:S
n4:entitaPredkladatele
n5:predkladatel
n4:idSjednocenehoVysledku
128972
n4:idVysledku
RIV/00216305:26210/12:PU100208
n4:jazykVysledku
n13:eng
n4:klicovaSlova
ceramic laminates, crack propagation prediction, residual stresses, finite element method
n4:klicoveSlovo
n7:residual%20stresses n7:finite%20element%20method n7:ceramic%20laminates n7:crack%20propagation%20prediction
n4:kontrolniKodProRIV
[43A0E3357399]
n4:mistoKonaniAkce
Parma
n4:mistoVydani
Neuveden
n4:nazevZdroje
Proceedings of the 4th International Conference on CRACK PATHS (CP 2012)
n4:obor
n17:JL
n4:pocetDomacichTvurcuVysledku
2
n4:pocetTvurcuVysledku
3
n4:projekt
n14:GA101%2F09%2F1821
n4:rokUplatneniVysledku
n19:2012
n4:tvurceVysledku
Bermejo, Raul Ševeček, Oldřich Kotoul, Michal
n4:typAkce
n8:WRD
n4:zahajeniAkce
2012-09-19+02:00
s:numberOfPages
10
n3:hasPublisher
Neuveden
n11:isbn
9788895940441
n22:organizacniJednotka
26210