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Prediction of matrix-initiated transverse failure in polymer composites
Luleå University of Technology, Department of Engineering Sciences and Mathematics, Material Science.ORCID iD: 0000-0003-0630-2037
Luleå tekniska universitet.
Luleå University of Technology, Department of Engineering Sciences and Mathematics.ORCID iD: 0000-0003-1871-4020
1996 (English)In: Composites Science And Technology, ISSN 0266-3538, E-ISSN 1879-1050, Vol. 56, no 9, p. 1089-1097Article in journal (Refereed) Published
Abstract [en]

A study has been conducted of failure in unidirectionally-reinforced fiber composites loaded in tension normal to the fibers. The case considered is when this failure is governed by failure of the matrix rather than fiber/matrix debonding. Both yielding and cavitation-induced brittle failure of the matrix are considered. The latter mode of failure was suggested previously as the likely mode to occur in epoxies under stress states that are purely or nearly hydrostatic tension. Three fiber packing arrangements (square, hexagonal and square-diagonal) with different fiber volume fractions were studied numerically by a finite element method to determine the local stress states. It is found that cavitation-induced brittle failure occurs much before yielding in all cases. Experimental data taken from the literature support this finding.

Place, publisher, year, edition, pages
1996. Vol. 56, no 9, p. 1089-1097
National Category
Composite Science and Engineering
Research subject
Polymeric Composite Materials
Identifiers
URN: urn:nbn:se:ltu:diva-11755DOI: 10.1016/0266-3538(96)00074-7ISI: A1996VR25500008Scopus ID: 2-s2.0-0030237090Local ID: ac40c150-bb59-11db-b560-000ea68e967bOAI: oai:DiVA.org:ltu-11755DiVA, id: diva2:984705
Note
Godkänd; 1996; 20070212 (cira)Available from: 2016-09-29 Created: 2016-09-29 Last updated: 2018-07-10Bibliographically approved

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Asp, LeifTalreja, Ramesh

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