WC-based cermet coatings were deposited by HVOF spraying in order to study the effects of laser remelting on coating microstructure, hardness, and dry sliding wear behavior. It was found that the laser treatment eliminates porosity and contributes to increased hardness and enforced metallurgical fusion between the coating and substrate, effectively improving adhesion and wear resistance.

dry sliding wear, hardness, high-velocity oxyfuel spraying, laser remelting, microstructure, tungsten carbide cermet coating
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Copyright © 2009 ASM International. All rights reserved.
2009
ASM International
Topics
Microstructure Sliding wear High-velocity oxyfuel spray coating Remelting Hardness Tungsten carbide cermets
Issue Section:
Thermal Spray and Other Surface Engineering Technologies
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