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Damage and fracture Mechanics: Failure Analysis of Engineering Materials and Structures
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SYSNO ASEP 0337559 Document Type M - Monograph Chapter R&D Document Type Monograph Chapter Title Crack propagation in the vicinity of the interface between two elastic materials Author(s) Náhlík, Luboš (UFM-A) RID, ORCID
Šestáková, Lucie (UFM-A)
Hutař, Pavel (UFM-A) RID, ORCIDSource Title Damage and fracture Mechanics: Failure Analysis of Engineering Materials and Structures. - Milton Keynes : Springer Science + Business Media, 2009 / Boukharouba Taoufik ; Elboujdaini Mimoun ; Pluvinage Guy - ISBN 978-90-481-2668-2 Pages s. 255-263 Number of pages 9 s. Number of copy 2500 Number of pages 611 Language eng - English Country GB - United Kingdom Keywords bimaterial interface ; crack propagation direction ; layered composites Subject RIV JL - Materials Fatigue, Friction Mechanics R&D Projects KJB200410803 GA AV ČR - Academy of Sciences of the Czech Republic (AV ČR) GP106/06/P239 GA ČR - Czech Science Foundation (CSF) CEZ AV0Z20410507 - UFM-A (2005-2011) Annotation The objective of the paper is to investigate the direction of a further crack propagation from the interface between two elastic materials. The angle of crack propagation changes when the crack passes the interface. The suggested procedure based on a generalized form of Sihs strain energy density factor makes it possible to estimate an angle of propagation under which the crack will propagate into the second material. The assumptions of linear elastic fracture mechanics and the elastic behavior of the body with interfaces are considered. The finite element method was used for numerical 2D and 3D calculations. The results obtained might contribute to a better understanding of the failure of materials with interfaces (e.g. layered composites, materials with protective coatings, etc.). Workplace Institute of Physics of Materials Contact Yvonna Šrámková, sramkova@ipm.cz, Tel.: 532 290 485 Year of Publishing 2010
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