Tribological Properties and Electrical Conductivity of Carbon Nanotube-Reinforced Copper Matrix Composites

被引：10

作者：

Fu, Shaoli ^{[1
]}

Chen, Xiaohong ^{[1
]}

Liu, Ping ^{[1
]}

Cui, Haipo ^{[2
]}

Zhou, Honglei ^{[1
]}

Ma, Fengcang ^{[1
]}

Li, Wei ^{[1
]}

机构：

[1] Univ Shanghai Sci & Technol, Sch Mat & Chem, Shanghai 200093, Peoples R China

[2] Univ Shanghai Sci & Technol, Sch Hlth Sci & Engn, Shanghai 200093, Peoples R China

来源：

JOURNAL OF MATERIALS ENGINEERING AND PERFORMANCE | 2022年 / 31卷 / 06期

基金：

国家重点研发计划; 中国国家自然科学基金;

关键词：

carbon nanotubes; chemical vapor deposition; copper matrix composites; solution-aging treatment; spark plasma sintering; tribological properties; SLIDING WEAR BEHAVIOR; MECHANICAL-PROPERTIES; CU; GRAPHITE; GRAPHENE; PERFORMANCE; RESISTANCE; STRENGTH; FRICTION; HARDNESS;

D O I：

10.1007/s11665-022-06596-9

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Carbon nanotube-reinforced copper matrix (CNT/Cu) composites were prepared by a method involving solution-aging treatment, in situ chemical vapor deposition (CVD), and spark plasma sintering (SPS). The tribological properties of the CNT/Cu composites were greatly improved, and the friction stability was better than that of Cu. These performance improvements were attributed to the uniform distribution of the CNTs without agglomeration and the strong interfacial bonding between the Cu matrix and CNTs. The coefficient of friction was 0.2, which was lower than that of pure copper (0.55), and the wear rate of the CNT/Cu composites was 2 times lower than that of pure copper. The wear mechanism was also discussed from the perspective of the wear morphology and interface structure. Furthermore, the electrical conductivity remained at a high level. The preparation technique is simple and easy to be controlled and can be used to synthesize CNT/Cu composites with excellent tribological properties and electrical conductivity.

引用

页码：4955 / 4962

页数：8

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