The effects of strain-rate and temperature on the interlaminar fracture toughness of interleaved PEEK/CF composites

被引:45
作者
Fracasso, R
Rink, M
Pavan, A
Frassine, R
机构
[1] Univ Ferrara, Fac Ingn, I-44100 Ferrara, Italy
[2] Politecn Milan, Dipartimento Chim Ind & Ingn Chim, I-20133 Milan, Italy
关键词
interlaminar fracture; PEEK; interleaving; temperature; strain-rate;
D O I
10.1016/S0266-3538(00)00153-6
中图分类号
TB33 [复合材料];
学科分类号
摘要
The effect of interleaving on the interlaminar fracture behaviour of unidirectional and woven-fabric fibre composites based upon continuous carbon fibres (CF) and poly(ether ether ketone) (PEEK) has been investigated over a wide range of temperature and crack speed. The fracture data obtained from mode I and mode II tests have been analysed using the time-temperature equivalence postulate and the results are discussed in terms of fracture micromechanisms. The insertion of a resin-rich layer between laminae was found to increase significantly the fracture resistance of the composites, whitout altering its dependence on crack speed. (C) 2000 Elsevier Science Ltd. All rights reserved.
引用
收藏
页码:57 / 63
页数:7
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