Investigation of the microstructure and tribological behavior of cold-sprayed tin-bronze-based composite coatings

被引：76

作者：

Guo, Xueping ^{[1
]}

Zhang, Ga ^{[1
]}

Li, Wenya ^{[2
]}

Gao, Yang ^{[3
]}

Liao, Hanlin ^{[1
]}

Coddet, Christian ^{[1
]}

机构：

[1] Univ Technol Belfort Montbeliard, LERMPS, F-90010 Belfort, France

[2] Northwestern Polytech Univ, Shaanxi Key Lab Frict Welding Technol, Xian 710072, Peoples R China

[3] DalianMaritime Univ, Electromech & Mat Engn Coll, Dalian 116026, Liaoning Prov, Peoples R China

来源：

APPLIED SURFACE SCIENCE | 2009年 / 255卷 / 06期

关键词：

Cold spray; Tin-bronze; Quasicrystal; Composite coating; Dry sliding wear; KINETIC SPRAY; ALLOY; FILMS;

D O I：

10.1016/j.apsusc.2008.10.041

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, tin-bronze/TiN and tin-bronze/quasicrystal (AlCuFeB) composite coatings were fabricated by cold spray process. Microstructure and microhardness of the prepared coatings were investigated. Ball-on-disc dry sliding wear tests were conducted in an ambient condition to examine the tribological behavior of the composite coatings. The results show that the microhardness and the density of composite coatings increase significantly compared to the pure tin-bronze coating. The friction coefficient of composite coating decreases when reinforcing particles were introduced. Furthermore, the bronze/quasicrystal composite coating has a lower friction coefficient and wear rate than the bronze/TiN coating. Tribological mechanisms of the composite coatings were discussed. (c) 2008 Elsevier B.V. All rights reserved.

引用

页码：3822 / 3828

页数：7

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