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On the Crack Initiated From the Bi-material Notch Tip
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SYSNO ASEP 0354596 Document Type J - Journal Article R&D Document Type Journal Article Subsidiary J Článek ve WOS Title On the Crack Initiated From the Bi-material Notch Tip Author(s) Profant, T. (CZ)
Klusák, Jan (UFM-A) RID, ORCID
Kotoul, M. (CZ)Number of authors 3 Source Title Key Engineering Materials - ISSN 1013-9826
452-453, - (2011), s. 441-444Number of pages 4 s. Action Fracture and Damage Mechanics Event date 20.09.2010-22.09.2010 VEvent location Nagasaki Country JP - Japan Event type WRD Language eng - English Country CH - Switzerland Keywords orthotropic bi-material notch ; crack initiation ; Matched asymptotic procedure Subject RIV JL - Materials Fatigue, Friction Mechanics R&D Projects GAP108/10/2049 GA ČR - Czech Science Foundation (CSF) GA101/08/0994 GA ČR - Czech Science Foundation (CSF) CEZ AV0Z20410507 - UFM-A (2005-2011) UT WOS 000287421700111 Annotation The bi-material notch composed of two orthotropic parts is considered. The radial and tangential stresses and strain energy density is expressed using the Stroh-Eshelby-Lekhnitskii formalism for the plane elasticity. The potential direction of the crack initiation is determined from the maximum mean value of the tangential stresses and local minimum of the mean value of the generalized strain energy density factor in both materials. Matched asymptotic procedure is used to derive the change of potential energy for the debonding crack and the crack initiated in the determined direction. Workplace Institute of Physics of Materials Contact Yvonna Šrámková, sramkova@ipm.cz, Tel.: 532 290 485 Year of Publishing 2011
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