Tribological properties of AlCoCrFeNiCu high-entropy alloy in hydrogen peroxide solution and in oil lubricant

被引：58

作者：

Duan, Haitao ^{[1
,2
]}

Wu, Yong ^{[1
]}

Hua, Meng ^{[2
]}

Yuan, Chengqing ^{[3
]}

Wang, Ding ^{[1
]}

Tu, Jiesong ^{[1
]}

Kou, Hongchao ^{[4
]}

Li, Jian ^{[1
]}

机构：

[1] Wuhan Res Inst Mat Protect, 126 Bao Feng Er Lu, Wuhan 430030, Hubei, Peoples R China

[2] City Univ Hong Kong, MBE Dept, Kowloon, Hong Kong, Peoples R China

[3] Wuhan Univ Technol, Reliabil Engn Inst, Sch Energy & Power Engn, Wuhan 430063, Hubei, Peoples R China

[4] Northwestern Polytech Univ, Xian 710072, Peoples R China

来源：

WEAR | 2013年 / 297卷 / 1-2期

关键词：

Sliding friction; Abrasion; Hardness; Steel; Electron microscopy; WEAR BEHAVIOR; CORROSION BEHAVIOR; MICROSTRUCTURE;

D O I：

10.1016/j.wear.2012.11.014

中图分类号：

TH [机械、仪表工业];

学科分类号：

0802 ;

摘要：

Pin-on-disc tests to investigate the tribological behavior of AlCoCrFeNiCu high-entropy alloy under lubrication conditions with 90% hydrogen peroxide solution and lubricant oil, respectively, were performed. The study demonstrates that the AlCoCrFeNiCu high-entropy alloy lubricated correspondingly with lubricant of 90% hydrogen peroxide solution (hereafter termed hydrogen peroxide lubricant) and lubricant oil significantly improves its friction and wear-resistance properties. Results showed that the friction coefficient, after a grinding stage, of the rubbing pair was lower than that with normal lubricant oil. The AlCoCrFeNiCu alloy in the lubricant with 90% hydrogen peroxide solution and lubricant oil exhibits a high resistance to wear. Analysis of the worn surface revealed that the AlCoCrFeNiCu high-entropy alloy lubricated with the hydrogen peroxide lubricant exhibited signs of inhomogeneous polishing oxidation and abrasive wear, with the wear mechanism changing with sliding distance, while the rubbing pair in normal lubricant oil is mainly dominated by abrasive wear. (C) 2012 Elsevier B.V. All rights reserved.

引用

页码：1045 / 1051

页数：7

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