Effect of the Structural Scale of Plasma-Sprayed Alumina Coatings on Their Friction Coefficients

被引：0
|
作者：
G. Darut
H. Ageorges
A. Denoirjean
G. Montavon
P. Fauchais
机构：
[1] University of Limoges,SPCTS
来源：
Journal of Thermal Spray Technology | 2008年 / 17卷
关键词：
alumina; friction; plasma spraying; sub-micrometer-sized feedstock; suspension plasma spraying; structural scale; tribology; wear;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
The objective of this study is to compare the tribological properties of alumina coatings with two different structural scales, a micrometer-sized one manufactured by atmospheric plasma spraying and a sub-micrometer-sized one manufactured by suspension plasma spraying. Coating architectures were analyzed and their friction coefficients in dry sliding mode measured. Sub-micrometer-sized structured coatings present a lower friction coefficient than micrometer ones, thanks to their higher cohesion and smaller characteristic structural feature sizes.
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页码：788 / 795
页数：7
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