Thermal spraying is a kind of special equipment, the use of heat sources to heat metal or non-metallic materials to melt or semi-melt state; It is blown into tiny particles by high-speed air flow and sprayed to the surface of the machine to form a covering layer; To improve the corrosion resistance, wear resistance, heat resistance and other new surface engineering technology.
The process of the coating material being heated in the heat source and the process of particle bonding with the substrate surface are the key steps in the preparation of the coating by thermal spraying. Although there are many specific methods of thermal spraying, and each has its own characteristics, no matter which method, the spraying process, coating formation principle and coating structure are basically the same.
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