Simultaneous achievement of high strength, excellent ductility, and good electrical conductivity in carbon nanotube/copper composites

被引：53

作者：

Yang, Ping ^{[1
]}

You, Xin ^{[1
,2
]}

Yi, Jianhong ^{[1
,2
]}

Fang, Dong ^{[1
]}

Bao, Rui ^{[1
]}

Shen, Tao ^{[1
]}

Liu, Yichun ^{[1
]}

Tao, Jingmei ^{[1
]}

Li, Caiju ^{[1
]}

Tan, Songlin ^{[1
]}

Guo, Shengda ^{[1
]}

机构：

[1] Kunming Univ Sci & Technol, Fac Mat Sci & Engn, Kunming 650093, Yunnan, Peoples R China

[2] Key Lab Adv Mat Yunnan Prov, 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; Mechanical properties; Electrical properties; COPPER-MATRIX COMPOSITES; MECHANICAL-PROPERTIES; REINFORCED COPPER; THERMAL-CONDUCTIVITY; MICROSTRUCTURE; NANOCOMPOSITES; GRAPHENE; BEHAVIOR; MODEL; ALLOY;

D O I：

10.1016/j.jallcom.2018.03.341

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 study, a novel mixing method that combines wet mixing and conventional ball milling followed by spark plasma sintering (SPS) was used to fabricate carbon nanotube (CNT)-reinforced Cu-matrix composites. The samples were characterized using scanning electron microscopy, transmission electron microscopy, Raman spectroscopy, and X-ray diffraction. In the CNT/Cu composites produced, the CNTs were uniformly dispersed whilst maintaining their integrity. Consequently, a combination of high strength, ductility, and electrical conductivity was achieved by a 2.5 vol% CNT/Cu composites (ultimate tensile strength 280 MPa, elongation 41.7%, and electrical conductivity (IACS%) 91.6%). These results could potentially be used to effectively ameliorate the issue of strength-ductility and strength-conductivity trade-offs in metal-matrix composites. (C) 2018 Published by Elsevier B.V.

引用

页码：431 / 439

页数：9

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