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An efficient modelling of inelastic composites with misaligned short fibres
Université Lille Nord de France, France.
2013 (English)In: International Journal of Solids and Structures, ISSN 0020-7683, E-ISSN 1879-2146, Vol. 50, no 19, p. 2857-2871Article in journal (Refereed) Published
Abstract [en]

This paper deals with the modelling of the behaviour of short-fibre reinforced composites. The composite is seen as an assembly of a matrix medium and of several fibre media. Each fibre medium, characterised by its own orientation of fibres and volume fraction, is considered as a one-dimensional elastic medium. The matrix material has an elastoplastic behaviour. All types of hardening laws can be considered, thanks to a valuable adaptivity of the modelling. The use of the Drucker-Prager criterion for plasticity and non-associative plasticity rules allow to deal with compressible plastic flow. Moreover, all kind of orientation of fibres, in particular random orientations and imperfect alignments, can be modelled in a simple way. The influence of the fibres' orientation on the mechanical response of a polymer matrix composite subjected to tensile/compression tests is analysed in detail. Finally, simulated behaviours of composites are compared to experimental data found in the literature.

Place, publisher, year, edition, pages
Pergamon Press, 2013. Vol. 50, no 19, p. 2857-2871
Keywords [en]
Short fibre reinforced composites, Misaligned fibres, Distributed orientation
National Category
Applied Mechanics
Identifiers
URN: urn:nbn:se:kth:diva-225660DOI: 10.1016/j.ijsolstr.2013.04.031ISI: 000322059500003Scopus ID: 2-s2.0-84879417634OAI: oai:DiVA.org:kth-225660DiVA, id: diva2:1195882
Note

QC 20180411

Available from: 2018-04-06 Created: 2018-04-06 Last updated: 2018-04-11Bibliographically approved

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