Effect of the length and the aggregate size of MWNTs on the improvement efficiency of the mechanical and electrical properties of nanocomposites - experimental investigation

被引：370
|
作者：
Bai, JB [1 ]
Allaoui, A [1 ]
机构：
[1] Ecole Cent Paris, Lab MSS MAT, CNRS, UMR 8579, F-92295 Chatenay Malabry, France
来源：
COMPOSITES PART A-APPLIED SCIENCE AND MANUFACTURING | 2003年 / 34卷 / 08期
关键词：
polymer-matrix composites; electrical properties; mechanical properties; carbon multi-walled nanotubes;
D O I：
10.1016/S1359-835X(03)00140-4
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
An experimental investigation of the effect of nanotube length and aggregate size on the mechanical and electrical properties of the composites was reported. Three treatments, that affect mainly the length and aggregate size, were applied on the CVD MWNTs before they were added into a resin matrix. They had a very clear impact on the dielectric properties of the composites and on the improvement efficiency. There was an insulator-to-conductor transition with the as-prepared MWNTs at 0.5 wt%. Regarding the mechanical properties, the addition of MWNTs increased the Young's modulus and reduced the fracture strain. In that case, the pre-treatment on MWNTs, however, had a much more moderate effect on the improvement efficiency. (C) 2003 Elsevier Ltd. All rights reserved.
引用
收藏
页码：689 / 694
页数：6
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