Quasi-static behaviour and damage assessment of flax/epoxy composites

Article dans une revue avec comité de lecture
Auteur
LIANG, Shaoxiong
128669 Département de Recherche en Ingéniérie des Véhicules pour l'Environnement [DRIVE]
206863 Laboratoire des Arts et Métiers ParisTech d'Angers - Procédés Matériaux Durabilité [LAMPA - PMD]
GNING, Papa-Birame
128669 Département de Recherche en Ingéniérie des Véhicules pour l'Environnement [DRIVE]
GUILLAUMAT, Laurent
206863 Laboratoire des Arts et Métiers ParisTech d'Angers - Procédés Matériaux Durabilité [LAMPA - PMD]

URI
http://hdl.handle.net/10985/9963
DOI
10.1016/j.matdes.2014.11.048
Date
2015
Journal
Materials and Design

Résumé

Experimental investigations were conducted on flax and E-glass fibres reinforced epoxy matrix composites subjected to quasi-static loadings. Flax/epoxy samples having [0]12, [90]12, [0/90]3S and [±45]3S stacking sequences, with a fibre volume fraction of 43% have been tested under tension, compression and in-plane shear loadings. Overall, the compression strength of glass/epoxy was 76% greater than for the flax/epoxy composite. The damage evolution of flax/epoxy of [0/90]3S and [±45]3S samples has been evaluated in terms of transverse crack densities with respect to the load increment. The crack density exhibited a classical “S” shaped pattern for [0/90]3S and linearly for [±45]3S specimens versus the applied load. The final crack densities were respectively of 32/cm and 25/cm for the [0/90]3S and [±45]3S samples.

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