A phenomenologically based damage model for 2D and 3D-textile composites with non-crimp reinforcement

被引：34

作者：

Boehm, R. ^{[1
]}

Gude, M. ^{[1
]}

Hufenbach, W. ^{[1
]}

机构：

[1] Tech Univ Dresden, Inst Lightweight Engn & Polymer Technol, D-01307 Dresden, Germany

来源：

MATERIALS & DESIGN | 2011年 / 32卷 / 05期

关键词：

Textiles; Fracture; Failure analysis; CURRENT FAILURE THEORIES; ANISOTROPIC DAMAGE; PREDICTIVE CAPABILITIES; ULTRASONIC EVALUATION; STRENGTH CRITERIA; MESOMODEL; DEGRADATION; GLASS;

D O I：

10.1016/j.matdes.2011.01.049

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

The application of textile-reinforced composites for safety-relevant structural components requires reliable predictions about their damage and failure behaviour. The potential of these materials for engineering applications has not been fully exploited so far since practical design rules disallow the occurence of any damage in the material even if the damage is not critical. In this context, the paper presents a novel damage model for textile composites with quasi-unidirectional reinforcement. A failure criterion based on the failure mode concept is adopted to describe the quasi-brittle fracture behaviour. To take into account the subsequent non-linear stiffness degradation, this approach is combined with a continuum damage mechanics model. The capability of the damage model is shown for biaxially reinforced weft-knitted glass fibre-epoxy composites. (C) 2011 Elsevier Ltd. All rights reserved.

引用

页码：2532 / 2544

页数：13

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