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An interface model based on damage coupled to slip and dilatation
Jönköping University, School of Engineering, JTH, Mechanical Engineering. Jönköping University, School of Engineering, JTH. Research area Engineering mechanics and optimization.
1998 (English)In: Fracture from defects: Proceedings of the 12th Bienniel Conference on Fracture - ECF, held in Sheffield, U.K., 14-18 September 1998, West Midlands, U.K.: Engineering Materials Advisory Services , 1998, p. 957-962Conference paper, Published paper (Refereed)
Abstract [en]

The mesomechanics behavior of a polycrystalline microstructure subjected to creep and constant strain rate loadings is investigated. The analysis is based on a Voronoi polygonization strategy for the generation of grains, that are bonded to each other via interfaces along the grain boundaries. A new constitutive model is proposed for the rate-dependent debonding along these interfaces, whereby damage is kinetically coupled to viscoplastic slip and dilatation. The paper may be viewed as generalizing the rate-independent model used in Cannmo et al. (1995).

Place, publisher, year, edition, pages
West Midlands, U.K.: Engineering Materials Advisory Services , 1998. p. 957-962
National Category
Materials Engineering Mechanical Engineering
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URN: urn:nbn:se:hj:diva-5041ISBN: 190153703X (print)OAI: oai:DiVA.org:hj-5041DiVA, id: diva2:35861
Available from: 2008-05-19 Created: 2008-05-19 Last updated: 2009-10-12Bibliographically approved

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Cannmo, Patrik

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