Role of interface tailoring by Cu coating carbon nanotubes to optimize Cu-W composites

被引：8
作者：
Chen, Pingan [1 ]
Shen, Qiang [2 ]
Luo, Guoqiang [1 ]
Wang, Chuanbing [2 ]
Li, Meijuan [2 ]
Zhang, Lianmeng [2 ]
机构：
[1] Wuhan Univ Sci & Technol, State Key Lab Refractories & Met, Wuhan 430081, Hubei Province, Peoples R China
[2] Wuhan Univ Technol, State Key Lab Adv Technol Mat Synth & Proc, Wuhan 430070, Hubei Province, Peoples R China
来源：
JOURNAL OF MATERIALS RESEARCH | 2015年 / 30卷 / 24期
基金：
中国国家自然科学基金;
关键词：
THERMAL-CONDUCTIVITY; MECHANICAL-PROPERTIES; SURFACE MODIFICATION; FABRICATION;
D O I：
10.1557/jmr.2015.365
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The effect of interface tailoring by Cu coating carbon nanotubes (CNTs) on the properties of CNTs enhanced copper-tungsten (CNT/Cu-W) composites is investigated. Thermal, electrical, and mechanical properties were measured, and interfacial thermal resistance between Cu and CNT was calculated according to the thermal conductivity curves. CNTs with interface tailoring showed superior dispersion state in the Cu-W composites. When the CNT contents were lower than 0.5 vol %, homogeneous dispersion CNTs and strong interfacial bond between CNTs and Cu had a positive effect on the physical properties of CNT/Cu-W composites. Such interface modification can effectively achieve thermal and electrical conduction, as well as transfer load between CNTs and Cu in the CNT/Cu-W composites. When the CNT contents were higher than 0.5 wt%, the CNT agglomerations became the dominant factor to decrease the physical properties of the composites.
引用
收藏
页码：3757 / 3765
页数：9
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