Tribological performance of ultra-hard ceramic composite coatings obtained through the microplasma oxidation

被引：1
|
作者：
Li, Shuha [1 ,2 ]
Wang, Fuchi [2 ]
Yin, Yujun [1 ]
Yang, Runze [1 ]
Tan, Chengwen [2 ]
机构：
[1] Ordnance Engn Coll, ShiJiazhuang 050003, Hebei, Peoples R China
[2] Beijing Inst Technol, Sch Mat Sci & Engn, Beijing 100081, Peoples R China
来源：
HIGH-PERFORMANCE CERAMICS V, PTS 1 AND 2 | 2008年 / 368-372卷
关键词：
ceramic oxidation coatings; tribological performance; microplasma oxidation;
D O I：
10.4028/www.scientific.net/KEM.368-372.1271
中图分类号：
TQ174 [陶瓷工业]; TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
Ceramic oxidation coating of approximately 60 mu m thick was prepared on a Ly12 alloy substrate by micro-plasma oxidation in an alkali-silicate electrolytic solution. Coating thickness was measured during coating formation. The influence of current density, electrolyte temperature and inter-electrode distance on coating kinetics was investigated. Microstructure and phase compositions were analyzed. The micro-hardness of the coating was also measured. The tribological performance of the coatings was evaluated using a dry sand abrasion test. In addition, the results are compared to detonation-sprayed alumina coating.
引用
收藏
页码：1271 / +
页数：2
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