A micromechanics model for 3D elasticity and failure of woven-fibre composite materials

被引:124
|
作者
Scida, D
Aboura, Z
Benzeggagh, ML
Bocherens, E
机构
[1] Univ Technol Compiegne, Dept Genie Mecan, Ctr Rech Royallieu,LG2mS Polymeres & Composites, CNRS,UPRESA 6066, F-60205 Compiegne, France
[2] Delegat Gen Armement, Atelier Ind Aeronaut Cuers Pierrefeu, Div Radomes & Composites, F-83800 Toulon, France
关键词
textile composite; hybrid composite; mechanical properties; stress/strain curves; elastic properties; failure behaviour;
D O I
10.1016/S0266-3538(98)00096-7
中图分类号
TB33 [复合材料];
学科分类号
摘要
An analytical model called MESOTEX (MEchanical Simulation Of TEXtile) is proposed in this paper with the objective of predicting 3D elastic and failure properties of several woven fibre composite materials, Based on the use of the classical thin laminate theory to the woven structure, the mesotex model is used to analyze plain-weave, satin-weave and twill-weave composites and their hybrid equivalents. Stiffness properties are computed and compared with test data and with the results of other micromechanical models. This correlation is followed by a parametric study in which the effect of strand waviness on the elastic properties is discussed for different woven-fibre composites, Moreover, this analytical model is extended in order to predict failure strength under tensile load in woven-fibre composite materials with a point-wise stiffness reduction technique. (C) 1999 Elsevier Science Ltd. All rights reserved.
引用
收藏
页码:505 / 517
页数:13
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