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A synergistic damage mechanics approach to viscoelastic response of cracked cross-ply laminates
Luleå University of Technology, Department of Engineering Sciences and Mathematics, Material Science.ORCID iD: 0000-0001-9649-8621
Riga Technical University, Latvia.
Georgia Institute of Technology.
Luleå University of Technology, Department of Engineering Sciences and Mathematics.ORCID iD: 0000-0003-1871-4020
2004 (English)In: International journal of damage mechanics, ISSN 1056-7895, E-ISSN 1530-7921, Vol. 13, no 4, p. 301-334Article in journal (Refereed) Published
Abstract [en]

A synergistic damage mechanics approach, i.e., a combined continuum damage mechanics (CDM) and micromechanics approach, is developed to characterize the viscoelastic response of cross-ply laminates with transverse cracks. The approach relies upon a second-order tensor-based description of damage wherein the crack opening displacement appears as an explicit function. The time variation of this function is calculated by micromechanics and is inserted into the continuum damage formulation. The relaxation moduli calculated for fixed states of damage (transverse crack density) by this approach agree well with independently calculated values by a CDM approach and finite element model. (Example materials: carbon-epoxy and glass-epoxy composites.)

Place, publisher, year, edition, pages
2004. Vol. 13, no 4, p. 301-334
National Category
Composite Science and Engineering
Research subject
Polymeric Composite Materials
Identifiers
URN: urn:nbn:se:ltu:diva-8761DOI: 10.1177/1056789504042457ISI: 000225901300001Scopus ID: 2-s2.0-7244236823Local ID: 74bfdde0-89ec-11db-8975-000ea68e967bOAI: oai:DiVA.org:ltu-8761DiVA, id: diva2:981699
Note
Validerad; 2004; 20061212 (ysko)Available from: 2016-09-29 Created: 2016-09-29 Last updated: 2018-07-10Bibliographically approved

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Varna, JanisTalreja, Ramesh

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