Micromechanical strength formulae of unidirectional composites

被引：53
|
作者：
Huang, ZM [1 ]
机构：
[1] Natl Univ Singapore, Dept Mech & Prod Engn, Singapore 119260, Singapore
来源：
MATERIALS LETTERS | 1999年 / 40卷 / 04期
关键词：
micromechanics; unidirectional composite; failure criterion; strength formulae; stress state;
D O I：
10.1016/S0167-577X(99)00069-5
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
When isotropic fibers are unidirectionally arranged in another isotropic matrix material, the resulting composite has different mechanical properties from those of both the fibers and the matrix. Its elastic stiffness can be accurately estimated with some simple micromechanical formulae such as rule of mixture formulae, based on the properties of the constituent fiber and matrix materials as well as fiber volume fraction only. However, little is known about the ultimate strengths of the composite. This letter presents a set of concise micromechanical formulae for the ultimate tensile strengths of the unidirectional composite under individual uniaxial loads. (C) 1999 Elsevier Science B.V, All rights reserved.
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页码：164 / 169
页数：6
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