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
关键词
alumina; friction; plasma spraying; sub-micrometer-sized feedstock; suspension plasma spraying; structural scale; tribology; wear;
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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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