Chang Li, Siyu Li, Xuan Wang, Haohao Mei, Xing Han
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Effect of Substrate Surface Roughness on Properties of WC-12Co Coatings Sprayed by High Velocity Oxygen Fuel Spraying on AZ31B Magnesium Alloy
Magnesium alloy is a lightweight structural material, but commercial AZ31B magnesium alloy has poor wear and corrosion resistance. WC-12Co has high hardness, wear resistance and corrosion resistance. In this paper, WC-12Co coating was prepared on AZ31B substrate by high velocity oxygen fuel (HVOF) spraying technology to improve its comprehensive service performance. Based on the surface of AZ31B magnesium alloy substrate with different roughness, the coating microcharacterization experiment was carried out. The effects of substrate surface roughness on the hardness, adhesion, wear resistance and corrosion resistance of the coating were revealed. The results show that the adhesion between the coating and the substrate and the corrosion resistance of the coating are significantly improved with the increasing surface roughness.
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From the scientific to the practical, stay on top of advances in this fast-growing coating technology with ASM International''s Journal of Thermal Spray Technology. Critically reviewed scientific papers and engineering articles combine the best of new research with the latest applications and problem solving.
A service of the ASM Thermal Spray Society (TSS), the Journal of Thermal Spray Technology covers all fundamental and practical aspects of thermal spray science, including processes, feedstock manufacture, and testing and characterization.
The journal contains worldwide coverage of the latest research, products, equipment and process developments, and includes technical note case studies from real-time applications and in-depth topical reviews.
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