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Generalized linear elastic fracture mechanics: an application to a crack touching the bimaterial interface
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SYSNO ASEP 0354538 Document Type J - Journal Article R&D Document Type Journal Article Subsidiary J Článek ve WOS Title Generalized linear elastic fracture mechanics: an application to a crack touching the bimaterial interface Author(s) Náhlík, Luboš (UFM-A) RID, ORCID
Šestáková, L. (CZ)
Hutař, Pavel (UFM-A) RID, ORCID
Knésl, Zdeněk (UFM-A)Number of authors 4 Source Title Key Engineering Materials - ISSN 1013-9826
Roč. 452-453, - (2011), s. 445-448Number of pages 4 s. Language eng - English Country CH - Switzerland Keywords generalized stress intensity factor ; bimaterial interface ; composite materials ; strain energy density factor ; fracture criterion ; generalized linear elastic fracture mechanics Subject RIV JL - Materials Fatigue, Friction Mechanics R&D Projects KJB200410803 GA AV ČR - Academy of Sciences of the Czech Republic (AV ČR) GA101/09/1821 GA ČR - Czech Science Foundation (CSF) CEZ AV0Z20410507 - UFM-A (2005-2011) UT WOS 000287421700112 DOI 10.4028/www.scientific.net/KEM.452-453.445 Annotation In the contribution the limits of the validity of classical linear elastic fracture mechanics are extended to problems connected with failure of composite structures. The work is focused mainly on the case of a crack touching the interface between two different materials, two different constituents. The approach suggested in the paper facilitates the answer to the question what is the influence of particle (in particulate composite) or layer (in laminates) on crack propagation through bimaterial interface. Different composite (bimaterial) structures are considered: layered composites and composites reinforced by particles. The presented approach follows the basic idea of linear elastic fracture mechanics, i.e. the validity of small scale yielding conditions is assumed, and has a phenomenological character. Workplace Institute of Physics of Materials Contact Yvonna Šrámková, sramkova@ipm.cz, Tel.: 532 290 485 Year of Publishing 2011
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