Stress-Strain State in the Zone of Load Transfer in a Composite Specimen under Uniaxial Tension

被引：0

作者：

V. L. Kulakov

Yu. M. Tarnopol'skii

A. K. Arnautov

J. Rytter

机构：

[1] University of Latvia,Institute of Polymer Mechanics

[2] NKT Flexibles I/S,undefined

来源：

Mechanics of Composite Materials | 2004年 / 40卷

关键词：

uniaxial tension; unidirectional carbon-fiber-reinforced plastic; tensile strength; size effect; finite-element analysis;

D O I：

暂无

中图分类号：

学科分类号：

摘要：

The stress-strain state in the zone of load transfer in a uniaxially stretched specimen made of a unidirectional epoxy carbon-fiber-reinforced plastic (CFRP) is investigated. A parametric analysis of the influence of geometric and mechanical characteristics of the specimen on its stress-strain state is performed by means of finite-element modeling. The parameters allowing us to significantly reduce the dangerous concentration of transverse and tangential stresses are revealed. The mechanical tensile characteristics of a high-strength pultruded unidirectional CFRP are determined experimentally, and the size effect of its strength is estimated.

引用

页码：91 / 100

页数：9

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