Analysis of strain rate sensitivity of carbon/epoxy woven composites

被引：31

作者：

Lopez-Puente, J. ^{[2
]}

Li, S. ^{[1
]}

机构：

[1] Univ Nottingham, Fac Engn, Nottingham NG7 2RD, England

[2] Univ Carlos III Madrid, Dept Continuum Mech & Struct Anal, Madrid 28911, Spain

来源：

INTERNATIONAL JOURNAL OF IMPACT ENGINEERING | 2012年 / 48卷

关键词：

Micromechanical FE analysis; Woven composites; Strain rate; Carbon/epoxy; HIGH-VELOCITY IMPACTS; LAMINATED COMPOSITES; UNIT CELLS; DAMAGE; THIN; BEHAVIOR; CRACKING; FAILURE; TENSILE; MODEL;

D O I：

10.1016/j.ijimpeng.2011.05.008

中图分类号：

TH [机械、仪表工业];

学科分类号：

0802 ;

摘要：

In this paper a numerical analysis of the influence of strain rate in the response of carbon/epoxy woven composites is carried out. Unit cell models at two different length scales have been developed, in order to simulate the behaviour of such composites. An anisotropic plasticity with different hardening rules under different stress states is proposed for the carbon fibre yarns. Results show reasonable variations of the composite strengths under dynamic loads. (C) 2011 Elsevier Ltd. All rights reserved.

引用

页码：54 / 64

页数：11

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