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Mechanical and electrical properties of a MWNT/epoxy composite

被引：1119
作者：
Allaoui, A
Bai, S
Cheng, HM
Bai, JB [1 ]
机构：
[1] Ecole Cent Paris, CNRS UMR 8579, Lab Mech Soils Struct & Mat, F-92295 Chatenay Malabry, France
[2] Chinese Acad Sci, Inst Met Res, Shenyang Natl Lab Mat Sci, Shenyang 110016, Peoples R China
来源：
COMPOSITES SCIENCE AND TECHNOLOGY | 2002年 / 62卷 / 15期
关键词：
mechanical properties; electrical properties; multi-walled carbon nanotubes;
D O I：
10.1016/S0266-3538(02)00129-X
中图分类号：
TB33 [复合材料];
学科分类号：
摘要：
Multi-walled carbon nanotube/epoxy resin composites have been fabricated. By choosing an over-aged hardener, relatively soft and ductile matrix, a rubbery epoxy resin, has been obtained. This made possible to evaluate the effect of nanotube addition on the whole stress-strain curve up to high strain level. The mechanical and electrical properties of the composite with different weight percentages of nanotubes have been investigated. The Young's modulus and the yield strength have been doubled and quadrupled for composites with respectively 1 and 4 wt.% nanotubes, compared to the pure resin matrix samples. Conductivity measurements on the composite samples showed that the insulator-to-conductor transition took place for nanotube concentration between 0.5% and 1 wt.%. (C) 2002 Published by Elsevier Science Ltd.
引用
收藏
页码：1993 / 1998
页数：6
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