In this study, 1-1.5 μm chromium carbide particles are used to prepare CrC-NiCr and CrC-Ni-Cr powders by spray drying and vacuum sintering with the aim of optimizing the properties while minimizing the cost of HVOF-sprayed NiCr-CrC coatings. The powders are characterized by means of SEM and XRD analysis and the coatings are evaluated based on microstructure, microhardness, bonding strength, and erosion resistance.

chromium carbide particles, erosion resistance, high-velocity oxyfuel spraying, microhardness, NiCr-CrC coatings
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2016
DVS Media GmbH
Topics
Particle analysis Nickel-chromium alloys High-velocity oxyfuel spray coating Erosive wear resistance Microhardness Chromium carbide cermets
Issue Section:
Poster Session: Wear Protection
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