Elastic-plastic stress analysis in thermoplastic composite laminated plates under in-plane loading

被引：22

作者：

Özcan, R ^{[1
]}

机构：

[1] Uludag Univ, Dept Mech Engn, Gorukle, Bursa, Turkey

来源：

COMPOSITE STRUCTURES | 2000年 / 49卷 / 02期

关键词：

elastic-plastic stress analysis; thermoplastic composite laminated plate; finite element method;

D O I：

10.1016/S0263-8223(99)00135-X

中图分类号：

O3 [力学];

学科分类号：

08 ; 0801 ;

摘要：

In this paper, an elastic-plastic stress analysis is carried out in a thermoplastic composite laminated plate for in-plane loading. Thermoplastic matrix (LDFE, F.2.12) and steel fibers are used to produce the composite plates by using moulds. Mathematical formulation is given for the elastic-plastic stress analysis of a laminated plate for small deformations. Yield points and stresses are obtained for symmetric and antisymmetric laminated plates with or without a hole. Residual stresses in plates are given in tables. The expansion of plastic zones is illustrated for 100, 150 and 200 loading steps. Yield points and the expansion of plastic zones are compared for different plates. (C) 2000 Elsevier Science Ltd. All rights reserved.

引用

页码：201 / 208

页数：8

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