Effect of Substrate Surface Roughness on Properties of WC-12Co Coatings Sprayed by High Velocity Oxygen Fuel Spraying on AZ31B Magnesium Alloy

被引：0
|
作者：
Li, Chang [1 ]
Li, Siyu [1 ]
Wang, Xuan [1 ]
Mei, Haohao [1 ]
Han, Xing [1 ]
机构：
[1] Univ Sci & Technol Liaoning, Sch Mech Engn & Automat, Anshan 114051, Liaoning, Peoples R China
来源：
JOURNAL OF THERMAL SPRAY TECHNOLOGY | 2025年
关键词：
AZ31B magnesium alloy; ceramic coating; different roughness; HVOF;
D O I：
10.1007/s11666-025-01980-y
中图分类号：
TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
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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页数：13
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