In this study, micro and nanostructured alumina coatings were plasma sprayed on steel substrates using different combinations of spraying parameters. Test results show that the nanostructured coatings have lower hardness, a lower friction coefficient, and higher wear resistance than microstructured alumina coatings.

alumina coating, friction coefficient, microhardness, nanostructure, plasma spraying, wear resistance
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Copyright © 2009 ASM International. All rights reserved.
2009
ASM International
Topics
Nanostructure Alumina ceramics Plasma spray coating Coefficient of friction Wear resistance Microhardness
Issue Section:
Wear Protection
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