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The effect of crack spacing distribution on stiffness reduction of cross-ply laminates
Institute of Polymer Mechanics, University of Latvia.
Institute of Polymer Mechanics, University of Latvia.
Luleå University of Technology, Department of Engineering Sciences and Mathematics, Material Science.ORCID iD: 0000-0002-5210-4341
2007 (English)In: Applied Composite Materials, ISSN 0929-189X, E-ISSN 1573-4897, Vol. 14, no 1, p. 59-66Article in journal (Refereed) Published
Abstract [en]

The effect of transverse crack distribution on the effective mechanical properties of cross-ply laminates is considered. Young's modulus and Poisson's ratio dependence on the transverse ply crack density is obtained experimentally for glass fiber/epoxy laminates of lay-ups [02/902]s, [0/902]s, and [0/904]s subjected to uniaxial tensile loading. Crack spacing distributions at the edge of the specimen are also measured at a predefined applied strain. Mechanical property reduction is evaluated for two crack spacing distributions: uniform spacing routinely considered in theoretical derivations and the experimental crack spacing distribution; the results are compared with test data.

Place, publisher, year, edition, pages
2007. Vol. 14, no 1, p. 59-66
National Category
Composite Science and Engineering
Research subject
Polymeric Composite Materials
Identifiers
URN: urn:nbn:se:ltu:diva-11227DOI: 10.1007/s10443-006-9031-xISI: 000243924200005Scopus ID: 2-s2.0-33846686442Local ID: a26a7960-6db4-11dc-89fb-000ea68e967bOAI: oai:DiVA.org:ltu-11227DiVA, id: diva2:984176
Note
Validerad; 2007; 20070928 (pirkko)Available from: 2016-09-29 Created: 2016-09-29 Last updated: 2018-07-10Bibliographically approved

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Sparnins, EdgarsJoffe, Roberts

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