Přístupnostní navigace
E-přihláška
Vyhledávání Vyhledat Zavřít
Detail publikace
NÁHLÍK, L. ŠESTÁKOVÁ, L. HUTAŘ, P.
Originální název
Numerical investigation of stress singularities in cracked bimaterial body
Typ
článek v časopise ve Web of Science, Jimp
Jazyk
angličtina
Originální abstrakt
Composite materials or generally materials with interfaces are nowadays used in many varied engineering applications. In comparison with classical engineering materials the existence of material interface causes locally different stress distribution, which can strongly influence behaviour of whole structure and can have an important influence on failure mechanisms of such materials. The paper presented is devoted to the investigation of stress singularity exponents of a crack growing in a bimaterial body perpendicularly to the interface and touching the material interface. Discrepancies between value of stress singularity exponent in the centre of bimaterial body and on the free surface were found. The assumptions of linear elastic fracture mechanics (LEFM) and small scale yielding (SSY) are considered. For numerical calculations finite element analysis was used. Results obtained can contribute to a better understanding of failure of materials with interfaces.
Klíčová slova
bimaterial interface, stress singularity exponent, corner singularity, vertex singularity, general singular stress concentrator
Autoři
NÁHLÍK, L.; ŠESTÁKOVÁ, L.; HUTAŘ, P.
Rok RIV
2008
Vydáno
2. 7. 2008
Nakladatel
Trans Tech Publications
Místo
Switzerland
ISSN
1013-9826
Periodikum
Key Engineering Materials (print)
Ročník
385-387
Číslo
Stát
Švýcarská konfederace
Strany od
125
Strany do
128
Strany počet
4
BibTex
@article{BUT48865, author="Luboš {Náhlík} and Lucie {Malíková} and Pavel {Hutař}", title="Numerical investigation of stress singularities in cracked bimaterial body", journal="Key Engineering Materials (print)", year="2008", volume="385-387", number="385-387", pages="125--128", issn="1013-9826" }