Preparation of Ni60-Cr3C2 coating by plasma spraying, plasma re-melting and plasma spray welding on W6Mo5Cr4V2 |
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| Authors: | Zhiqiang Zeng Huachang Wang Hongfu Wang Junyuan Wang |
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| Affiliation: | 1. School of Mechanical Engineering and Automation, North University of China, Taiyuan, 030051, China
2. School of Materials Science and Engineering, Wuhan University of Technology, Wuhan, 430070, China
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| Abstract: | In order to prepare heat-resistant inner layer of hot-forging die, plasma spraying, plasma remelting and plasma spray welding were adopted. Cr3C2 coatings of Ni-Based were prepared respectively with 10%, 20% and 30% Cr3C2 powder and W6Mo5Cr4V2 substrate. The coating microstructure analysis, the micro-hardness test, and the measurement of thermal parameters of coating were conducted. The experimental results show that the coating has the better thermo-physical property by using plasma spray welding method with the powder ratio of 90% Ni60 and 10% Cr3C2, and by this way the micro-hardness of coating can achieve 1100 HV. |
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| Keywords: | W6Mo5Cr4V2 plasma spraying plasma re-melting plasma spray welding thermo-physical property Ni60-Cr3C2 |
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