Study on the tribological performance of ceramic coatings on titanium alloy surfaces obtained through microarc oxidation

被引：103

作者：

Fei, Chen ^{[1
]}

Hai, Zhou ^{[1
]}

Chen, Chen ^{[1
]}

Xia Yangjian ^{[1
]}

机构：

[1] Beijing Inst Petrochem Technol, Coll Mech Engn, Beijing 102617, Peoples R China

来源：

PROGRESS IN ORGANIC COATINGS | 2009年 / 64卷 / 2-3期

关键词：

Ti6Al4V alloy; Microarc oxidation; Tribological behavior; BEHAVIOR;

D O I：

10.1016/j.porgcoat.2008.08.034

中图分类号：

O69 [应用化学];

学科分类号：

081704 ;

摘要：

Through microarc oxidation, a ceramic coating is directly formed on the surface of TiGA14V alloy, by which its surface property is greatly improved. Microstructure, phase composition and tribological performance of the coatings were characterized. The results showed that the coating with 10-mu m thickness is compact in the inner layer and porous in the surface layer. The coating is mainly composed of rutile and anatase TiO2. The tribological behavior of the microarc oxidation ceramic coating under dry sliding against SAE52100 steel was evaluated on a ball-on-disc test rig. The Ti6Al4V alloy was characterized by adhesion wear and scuffing under dry sliding against the steel, while the polished ceramic coating experienced much abated adhesion wear and scuffing under the same testing condition. The polished ceramic coating showed good friction-reducing and fair antiwear ability in dry sliding against the steel. This is attributed to the smooth surface and rutile TiO2. Crown Copyright (C) 2008 Published by Elsevier B.V. All rights reserved

引用

页码：264 / 267

页数：4

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