Preparation method of zirconium boride-zirconium carbide-silicon carbide composite coating
A technology of composite coating and silicon carbide, which is applied in the direction of coating, metal material coating process, fusion spraying, etc., can solve the problems of poor coating performance, low deposition efficiency, unsuitable application, etc., and achieve low cost and high production efficiency. The process is simple and the effect of close combination of phases
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Embodiment 1
[0051] The preparation method of the zirconium boride-zirconium carbide-silicon carbide composite coating in this embodiment adopts the method of in-situ synthesis of the zirconium boride-zirconium carbide-silicon carbide composite coating, and the steps are as follows:
[0052] The first step is to prepare zirconium / boron carbide / silicon carbide composite powder for thermal spraying:
[0053] Uniformly mix zirconium powder with a particle size range of 0.001 micron to 10 microns, boron carbide powder with a particle size range of 0.001 micron to 10 microns, and silicon carbide powder with a particle size range of 0.001 micron to 10 microns to form a composite powder. Among them, silicon carbide powder accounts for 5% by weight of the total mass of the three raw material powders of zirconium powder, boron carbide powder and silicon carbide powder, and zirconium powder plus boron carbide powder accounts for the three types of zirconium powder, boron carbide powder and silicon ca...
Embodiment 2
[0059] The preparation method of zirconium boride-zirconium carbide-silicon carbide composite coating adopts the method of in-situ synthesis of zirconium boride-zirconium carbide-silicon carbide composite coating, and the steps are as follows:
[0060] The first step is to prepare zirconium / boron carbide / silicon carbide composite powder for thermal spraying:
[0061] Uniformly mix zirconium powder with a particle size range of 0.001 micron to 10 microns, boron carbide powder with a particle size range of 0.001 micron to 10 microns, and silicon carbide powder with a particle size range of 0.001 micron to 10 microns to form a composite powder. Among them, silicon carbide powder accounts for 10% by weight of the total mass of the three raw material powders of zirconium powder, boron carbide powder and silicon carbide powder, and zirconium powder plus boron carbide powder accounts for the three types of zirconium powder, boron carbide powder and silicon carbide powder. The percent...
Embodiment 3
[0068] The preparation method of zirconium boride-zirconium carbide-silicon carbide composite coating adopts the method of in-situ synthesis of zirconium boride-zirconium carbide-silicon carbide composite coating, and the steps are as follows:
[0069] The first step is to prepare zirconium / boron carbide / silicon carbide composite powder for thermal spraying:
[0070] Uniformly mix zirconium powder with a particle size range of 0.001 micron to 10 microns, boron carbide powder with a particle size range of 0.001 micron to 10 microns, and silicon carbide powder with a particle size range of 0.001 micron to 10 microns to form a composite powder. Among them, silicon carbide powder accounts for 30% by weight of the total mass of the three raw material powders of zirconium powder, boron carbide powder and silicon carbide powder, and zirconium powder plus boron carbide powder accounts for 30% of the total mass of zirconium powder, boron carbide powder and silicon carbide powder. The w...
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