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research-article

Tribological behavior of Al-20Si-5Fe-2Ni alloy at elevated temperatures under dry sliding

[+] Author and Article Information
Hui Tan

State Key Laboratory of Solid Lubrication, Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences, Lanzhou 730000, PR China; University of Chinese Academy of Sciences, Beijing 100039, China
tanhui@licp.cas.cn

Jun Cheng

State Key Laboratory of Solid Lubrication, Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences, Lanzhou 730000, China
chengjun@licp.cas.cn

Shuai Wang

State Key Laboratory of Solid Lubrication, Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences, Lanzhou 730000, China
licpws@163.com

Shengyu Zhu

State Key Laboratory of Solid Lubrication, Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences, Lanzhou 730000, China
zhusy@licp.cas.cn

Yuan Yu

State Key Laboratory of Solid Lubrication, Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences, Lanzhou 730000, China
yuyuannpu@163.com

Zhuhui Qiao

State Key Laboratory of Solid Lubrication, Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences, Lanzhou 730000, China
zhqiao@licp.cas.cn

Jun Yang

State Key Laboratory of Solid Lubrication, Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences, Lanzhou 730000, China
jyang@licp.cas.cn

1Corresponding author.

ASME doi:10.1115/1.4038438 History: Received September 07, 2017; Revised November 01, 2017

Abstract

Wear-resistant aluminum alloys have enormous potential applications. In this paper, the Al-20Si-5Fe-2Ni alloy was fabricated by hot pressed sintering, and its dry sliding wear behavior was investigated from 25 to 500 °C sliding against Al2O3 ceramic and AISI 52100 steel. The microstructure, phase, high temperature hardness and worn surface of the sintered alloy were examined. The results indicate that the uniform distribution of Si particles and Al5FeSi intermetallic in Al matrix contribute to its superior tribological properties. Additionally, the correlation of the tribological behavior of the alloy with the sliding testing conditions was studied, and its wear mechanism was discussed.

Copyright (c) 2017 by ASME
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