Effect of notch and test conditions on the fatigue of a glass-fibre-reinforced polypropylene composite

被引：34

作者：

Ferreira, JAM ^{[1
]}

Costa, JDM

Richardson, MOW

机构：

[1] Univ Coimbra, FCT, Dept Mech Engn, P-3000 Coimbra, Portugal

[2] Loughborough Univ Technol, Inst Polymer Technol & Mat Engn, Loughborough LE11 3TU, Leics, England

来源：

COMPOSITES SCIENCE AND TECHNOLOGY | 1997年 / 57卷 / 9-10期

关键词：

fatigue strength; thermoplastic composites; damage tolerance; notch effect; moulding;

D O I：

10.1016/S0266-3538(97)00052-3

中图分类号：

TB33 [复合材料];

学科分类号：

摘要：

This paper is concerned with fatigue studies of polypropylene/glass-fibre thermoplastic composites produced from a bidirectional woven cloth of commingled E-glass and polypropylene fibres (the latter becoming the matrix after the application of heat and pressure). This composite was manufactured with a fibre volume fraction of 0.338. The effects of frequency, stress ratio, temperature and stress concentration on the fatigue performance were considered. The stress concentration was induced by circular holes in specimens loaded in tension. Stress/life fatigue curves, the rise in temperature of the specimens during the tests and the loss of stiffness were obtained and are discussed. (C) 1997 Elsevier Science Limited.

引用

页码：1243 / 1248

页数：6

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