Influence of dispersion state of carbon nanotubes on electrical conductivity of copper matrix composites

被引：35
|
作者：
Yang, Ping [1 ]
You, Xin [1 ]
Yi, Jianhong [1 ]
Fang, Dong [1 ]
Bao, Rui [1 ]
Shen, Tao [1 ]
Liu, Yichun [1 ]
Tao, Jingmei [1 ]
Li, Caiju [1 ]
机构：
[1] Kunming Univ Sci & Technol, Fac Mat Sci & Engn, Kunming 650093, Yunnan, Peoples R China
来源：
JOURNAL OF ALLOYS AND COMPOUNDS | 2018年 / 752卷
基金：
中国国家自然科学基金;
关键词：
Metal-matrix composites; Carbon nanotubes; Electrical properties; METAL COMPOSITES; RESISTIVITY; NANOCOMPOSITES;
D O I：
10.1016/j.jallcom.2018.04.129
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
In this paper, effect of dispersion state of carbon nanotubes (CNTs) on electrical conductivity of copper (Cu)-matrix composites was investigated. While, it is interestingly found that composite with homo-geneous dispersion CNTs has the lowest electrical conductivity (90.47 +/- 0.34 IACS% (International Annealed Copper Standard)) and that one with aggregation CNTs has the best conductivity (93.45 +/- 0.17 IACS%). This phenomenon was attributed to interconnected conductive networks of Cu damaged by adding dispersed CNTs through interface scattering between CNTs and Cu. Thus, it can be concluded that the dispersion of CNTs is not the key point to obtain high electrical conductivity of CNT/Cu composites. (C) 2018 Elsevier B.V. All rights reserved.
引用
收藏
页码：376 / 380
页数：5
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