Unidirectional compression of fibre reinforcements. Part 1: A non-linear elastic-plastic behaviour

被引：41

作者：

Comas-Cardona, S. ^{[1
]}

Le Grognec, P. ^{[1
]}

Binetruy, C. ^{[1
]}

Krawczak, P. ^{[1
]}

机构：

[1] Ecole Mines, Polymers & Composites Technol & Mech Engn, F-59508 Douai, France

来源：

COMPOSITES SCIENCE AND TECHNOLOGY | 2007年 / 67卷 / 3-4期

关键词：

unidirectional compression; finite strains; fabrics/textiles; elastoplasticity;

D O I：

10.1016/j.compscitech.2006.08.017

中图分类号：

TB33 [复合材料];

学科分类号：

摘要：

Liquid composite moulding processes are increasingly used to manufacture composite structures. Such processes combine compression of the fibre reinforcements (in dry and/or lubricated states) and resin flow. A better modelling of the compression of fibre reinforcements would improve the accuracy of hydro-mechanical coupling modelling involved in these processes. Several models are available in the literature, but none of them consider permanent deformations (such as plasticity). This article presents a methodology to measure plasticity of fibre reinforcements in dry and impregnated states. Also a non-linear elastic-plastic model, including large deformations, is proposed for unidirectional compression. Results on glass fibre reinforcements are presented and discussed. (c) 2006 Elsevier Ltd. All rights reserved.

引用

页码：507 / 514

页数：8

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