The Effect of CeO2 Addition on the Microstructure and Properties of Ni-Based Flame-Spray Coatings

被引：0
|
作者：
Zhenyu Zhang
Bunv Liang
Hongjian Guo
机构：
[1] Lanzhou Institute of Technology,Material Engineering Department
[2] Chinese Academy of Sciences,State Key Laboratory of Solid Lubrication, Lanzhou Institute of Chemical Physics
来源：
Journal of Thermal Spray Technology | 2014年 / 23卷
关键词：
cerium oxide; coatings; flame spray; microstructure; wear resistance;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
Ni-based alloy with different amount of CeO2 powders were flame sprayed and melted onto 1045 carbon steel substrate. Microstructure and properties of the coatings were studied by XRD, field emission gun scanning electron microscope (FEGSEM) and SEM analyses. The wear behavior of the coatings was investigated under dry sliding wear conditions, and was compared with that of the coatings without CeO2, The results show that the microstructure of the coating with CeO2 differs widely from the coating without CeO2, the novel microstructure is beneficial for wear resistance. Abrasive wear tests without lubricant and analysis of the worn surfaces revealed that the Ni-based alloy coatings with the addition of 0.8% CeO2 exhibit higher wear resistance.
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页码：725 / 731
页数：6
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