High-temperature tribological properties of NiCoCrAlY-WSe2-BaF2•CaF2 solid lubricant coatings prepared by plasma spraying

被引：0
|
作者：
Chen, X. H. [1 ]
Yuan, X. J. [1 ]
Xia, J. [1 ]
Yu, Z. H. [1 ]
机构：
[1] Xian Res Inst Hitech, Xian 710025, Shaanxi Provinc, Peoples R China
来源：
4TH GLOBAL CONFERENCE ON MATERIALS SCIENCE AND ENGINEERING (CMSE 2015) | 2015年 / 103卷
关键词：
D O I：
10.1088/1757-899X/103/1/012052
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
In this paper, NiCoCrAlY-WSe2-BaF2 center dot CaF2 solid lubricant coatings were produced on a substrate by plasma spray and investigated at the high temperature, such as 500 degrees C and 800 degrees C. The structure of the coatings was characterized using XRD pattern and scanning electron microscopy. The TC1 (83wt% NiCoCrAlY) coating has a low friction coefficient at 500 degrees C, where the WSe2 is a good solid lubricant. The TC2 (65wt% NiCoCrAlY) coating has the low friction coefficient (0.279) at 800 degrees C, due to the formation of BaCrO4 on the surfaces. As a result, the TC2 coating has the optimal tribological property in the wide temperature.
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页数：5
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