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The Xiong Tianying team from the Research Department of Materials Surface Engineering, Institute of Metal Research, Chinese Academy of Sciences, as the unit in charge of surface technology, participated in the national major special project "Development of Large Aluminum Parts Manufacturing Technology Based on Welding and Surface Coating Technology" recently passed the acceptance
.
The project is mainly aimed at the surface coating technology requirements of ultra-low pollution and strong corrosion resistance parts, and carry out research on high-performance pure Al or Al2O3, high-density Y2O3 and Y2O3/ZrO2 coating technology
.
?? Aiming at the corrosion problem of the components in the cavity under the interaction of the most demanding plasma radiation and strong corrosive gas in the equipment, the thermal spray technology team led by associate researcher Cui Xinyu has developed high-density Y, Y2O3, Y/Y2O3, Y2O3 /ZrO2 and SiC composite protective coating, breaking through key technical problems such as the combination of the coating and the Al alloy substrate, thermal matching, and coating compactness.
The developed high-purity and high-density Y2O3 coating has passed user assessment and application; The Y2O3/ZrO2 coating on the inner surface of the cavity has passed user assessment, verification and application, and achieved the technical requirements of ultra-low pollution and strong corrosion resistance.
It is the first time to achieve batch supply in China
.
??? In view of the low temperature and short life of pure Al RF substrates for coating equipment, the cold spray technology team led by associate researcher Wang Jiqiang proposed to cold spray pure Al coating on the surface of Ni alloy substrates, which solved the problem of 0.
2mm ultra-thin The uniform control of the coating thickness on the surface of the substrate and the easy peeling off of the coating during the repeated bending of the substrate are many technical problems
.
The operating temperature of the developed new substrate has been increased from 300°C to 400°C, and the service life has been increased from 1-2 months to more than 6 months, reaching the international advanced level
.
Currently more than 50,000 pieces are supplied in batches
.
?? The successful research and development and application of the above-mentioned related surface coating technologies provide strong technical support and guarantee for the research on manufacturing equipment, complete sets of processes and materials technology
.
.
The project is mainly aimed at the surface coating technology requirements of ultra-low pollution and strong corrosion resistance parts, and carry out research on high-performance pure Al or Al2O3, high-density Y2O3 and Y2O3/ZrO2 coating technology
.
?? Aiming at the corrosion problem of the components in the cavity under the interaction of the most demanding plasma radiation and strong corrosive gas in the equipment, the thermal spray technology team led by associate researcher Cui Xinyu has developed high-density Y, Y2O3, Y/Y2O3, Y2O3 /ZrO2 and SiC composite protective coating, breaking through key technical problems such as the combination of the coating and the Al alloy substrate, thermal matching, and coating compactness.
The developed high-purity and high-density Y2O3 coating has passed user assessment and application; The Y2O3/ZrO2 coating on the inner surface of the cavity has passed user assessment, verification and application, and achieved the technical requirements of ultra-low pollution and strong corrosion resistance.
It is the first time to achieve batch supply in China
.
??? In view of the low temperature and short life of pure Al RF substrates for coating equipment, the cold spray technology team led by associate researcher Wang Jiqiang proposed to cold spray pure Al coating on the surface of Ni alloy substrates, which solved the problem of 0.
2mm ultra-thin The uniform control of the coating thickness on the surface of the substrate and the easy peeling off of the coating during the repeated bending of the substrate are many technical problems
.
The operating temperature of the developed new substrate has been increased from 300°C to 400°C, and the service life has been increased from 1-2 months to more than 6 months, reaching the international advanced level
.
Currently more than 50,000 pieces are supplied in batches
.
?? The successful research and development and application of the above-mentioned related surface coating technologies provide strong technical support and guarantee for the research on manufacturing equipment, complete sets of processes and materials technology
.