Sliding wear behaviour and microstructure of PEO coatings formed on aluminium alloy

被引：15
|
作者：
Zhuang, J. J. [1 ,2 ]
Guo, Y. Q. [1 ,2 ]
Xiang, N. [1 ,2 ]
Lu, X. Y. [1 ,2 ]
Hu, Q. [2 ,3 ]
Song, R. G. [1 ,2 ]
机构：
[1] Changzhou Univ, Sch Mat Sci & Engn, Changzhou 213164, Peoples R China
[2] Changzhou Univ, Jiangsu Key Lab Mat Surface Sci & Technol, Changzhou 213164, Peoples R China
[3] Zhejiang Univ Technol, Coll Mech Engn, Hangzhou 310032, Zhejiang, Peoples R China
来源：
MATERIALS SCIENCE AND TECHNOLOGY | 2016年 / 32卷 / 15期
基金：
中国国家自然科学基金;
关键词：
Plasma electrolytic oxidation; Aluminium alloy; Microstructure; Wear test; Friction coefficient; PLASMA ELECTROLYTIC OXIDATION; EFFICIENT OPTIMUM SOLUTION; OPTIMIZATION; PERFORMANCE; PARAMETERS; RESISTANCE; FILMS; TIO2;
D O I：
10.1080/02670836.2015.1132031
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
In this work, plasma electrolytic oxidation coating was formed on aluminium alloy in a cheap and inexpensive electrolyte to improve its wear resistance. It was found the micro-hardness of coatings increased first and then decreased with increasing the oxidised time. It was showed that the specimen treated under the time of 35 minutes exhibited the highest micro-hardness and lowest wear loss. The surface and cross-sectional morphology indicated that the coatings have a dense structure with low porosity. The presence of wear scars on the worn surface morphology demonstrates that the three-body rolling was the main wear mechanism for coated specimen. X-ray diffraction results showed the coating was formed mainly from alpha-Al2O3 and gamma-Al2O3.
引用
收藏
页码：1559 / 1566
页数：8
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