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.
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页码：91 / 100
页数：9
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