Tribological properties of micro-textured surfaces of ZTA ceramic nanocomposites under the combined effect of test conditions and environments

被引：26

作者：

Fan, Hengzhong ^{[1
,2
]}

Hu, Tianchang ^{[1
]}

Zhang, Yongsheng ^{[1
]}

Fang, Yuan ^{[1
,2
]}

Song, Junjie ^{[1
,2
]}

Hu, Litian ^{[1
]}

机构：

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

[2] Univ Chinese Acad Sci, Beijing 100049, Peoples R China

来源：

TRIBOLOGY INTERNATIONAL | 2014年 / 78卷

基金：

中国国家自然科学基金;

关键词：

Ceramic composite; Texture surface; Sliding friction; Coupling environments; FRICTION REDUCTION; LASER; LUBRICATION; BEHAVIOR; SEAL; WEAR;

D O I：

10.1016/j.triboint.2014.05.010

中图分类号：

TH [机械、仪表工业];

学科分类号：

0802 ;

摘要：

Three types of micro-dimples with different area densities were produced on the surface of ZTA with a pulsed Nd:YAG laser. The friction properties and wear mechanisms were studied. Results show that a relatively dense micro-dimpled structure is likely to improve the tribological properties of the materials. In a dry environment, textured ZTA surfaces have a lower coefficient of friction than untextured ZTA surfaces. Furthermore, the friction coefficient decreased further when subjected to deionized water lubrication and high sliding speed because of the secondary lubricating effect. The friction coefficient can be reduced to below 0.4 when the density of the micro-dimples is approximately 34%. (C) 2014 Elsevier Ltd. All rights reserved.

引用

页码：134 / 141

页数：8

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