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An effect of the first non-singular term of the Williams asymptotic expansion to the stability of the bi-material orthotropic notch
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SYSNO ASEP 0426549 Document Type C - Proceedings Paper (int. conf.) R&D Document Type Conference Paper Title An effect of the first non-singular term of the Williams asymptotic expansion to the stability of the bi-material orthotropic notch Author(s) Profant, T. (CZ)
Klusák, Jan (UFM-A) RID, ORCID
Ševeček, O. (CZ)
Kotoul, M. (CZ)
Hrstka, M. (CZ)
Marcián, P. (CZ)Number of authors 6 Source Title Materials Structure and Micromechanics of Fracture VII. - Zurich : Trans Tech Publications, 2014 / Šandera P. - ISSN 1013-9826 - ISBN 978-3-03785-934-6 Pages s. 745-748 Number of pages 4 s. Publication form Print - P Action MSMF 7 - International Conference on Materials Structure & Micromechanics of Fracture /7./ Event date 01.07.2013-03.07.2013 VEvent location Brno Country CZ - Czech Republic Event type WRD Language eng - English Country CH - Switzerland Keywords Orthotropic bi-material notch ; two-state integral ; non-singular stress terms ; T-stress ; matched asymptotic expansion Subject RIV JL - Materials Fatigue, Friction Mechanics Institutional support UFM-A - RVO:68081723 UT WOS 000336694400170 EID SCOPUS 84891850651 DOI 10.4028/www.scientific.net/KEM.592-593.745 Annotation The domain of the generalized stress intensity factors dominance ahead of the notch tip can be rather small with respect to the length of the perturbing cracks initiated from the tip of the notch. Thus the non-singular terms of the stress asymptotic expansion at the notch tip would play an important role in the notch tip stability. Following the procedures dealing with complex potential theory and path-independent two-state integrals developed for the singular stress analysis of the stress concentrators one can evaluate their magnitude and include them to the energy release rate of the preexisting crack initiated from the notch tip applying the matched asymptotic procedure. The presented analysis should lead to better understanding of the notch stability process and precising of the notch stability criteria. Workplace Institute of Physics of Materials Contact Yvonna Šrámková, sramkova@ipm.cz, Tel.: 532 290 485 Year of Publishing 2015 Electronic address http://www.scientific.net/KEM.592-593.745
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