One-step preparation of TiO2/MoS2 composite coating on Ti6Al4V alloy by plasma electrolytic oxidation and its tribological properties

被引：131

作者：

Mu, Ming ^{[1
,2
]}

Liang, Jun ^{[1
]}

Zhou, Xinjian ^{[2
]}

Xiao, Qian ^{[2
]}

机构：

[1] Chinese Acad Sci, Lanzhou Inst Chem Phys, State Key Lab Solid Lubricat, Lanzhou 730000, Peoples R China

[2] E China Jiaotong Univ, Minist Educ, Key Lab, Nanchang 330013, Peoples R China

来源：

SURFACE & COATINGS TECHNOLOGY | 2013年 / 214卷

基金：

中国国家自然科学基金;

关键词：

Titanium alloy; Plasma electrolytic oxidation; Oxide coating; MoS2; Friction and wear; TITANIUM-ALLOYS; SURFACE MODIFICATION; MICROARC OXIDATION; WEAR-RESISTANCE; MICROSTRUCTURE; FILMS; PEO;

D O I：

10.1016/j.surfcoat.2012.10.079

中图分类号：

TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

A MoS2-containing oxide coating on Ti6A14V alloy was prepared by one-step plasma electrolytic oxidation (PEO) process in a MoS2-dispersed phosphate electrolyte. The composition and microstructure of the oxide coatings produced in the electrolytes with and without the addition of MoS2 were analyzed by X-ray diffractometer (XRD), scanning electron microscope (SEM) and energy dispersive X-ray spectroscopy (EDS). Results showed that the MoS2 particles can be successfully incorporated into the oxide coating during the PEO process and were preferentially located in the micropores. The ball-on-disk sliding tests indicated that MoS2-containing oxide coating registered much lower friction coefficient and wear rate than the oxide coating without MoS2 under dry sliding condition. The improved tribological property of the MoS2-containing oxide coating was also discussed. (C) 2012 Elsevier B.V. All rights reserved.

引用

页码：124 / 130

页数：7

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