Preparation, Characterization and Mechanical Properties of Cu-Sn Alloy/Graphite Composites

被引：26

作者：

Dong, Ruifeng ^{[1
]}

Cui, Zhenduo ^{[1
]}

Zhu, Shengli ^{[1
,2
]}

Xu, Xu ^{[1
]}

Yang, Xianjin ^{[1
,2
]}

机构：

[1] Tianjin Univ, Sch Mat Sci & Engn, Tianjin 300072, Peoples R China

[2] Tianjin Key Lab Composite & Funct Mat, Tianjin 300072, Peoples R China

来源：

METALLURGICAL AND MATERIALS TRANSACTIONS A-PHYSICAL METALLURGY AND MATERIALS SCIENCE | 2014年 / 45A卷 / 11期

关键词：

COATED GRAPHITE; COPPER; WEAR; COATINGS; FRICTION; CARBON;

D O I：

10.1007/s11661-014-2457-0

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Ni-B coating was prepared on the surface of graphite particles using the electroless plating method. The Ni-B coating was composed of spherical grains with average diameter of 80 nm. The phases of Ni-B coating were indexed as nanosized crystal Ni phase and amorphous Ni-B phase. Cu-Sn alloy/graphite composites with 0.5, 1.0, 1.5, and 2.0 wt pct graphite contents were synthesized by the powder metallurgy method. Ni-B coating improved the wettability and bonding strength between the Cu-Sn alloy and graphite. The composite with Ni-B coated graphite exhibited higher density, hardness, and compression strength compared with the composites with bare graphite. The crack propagation mechanism of the composites was also analyzed.

引用

页码：5194 / 5200

页数：7

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