Preparation method for zirconium boride-based coating
A zirconium boride-based coating technology, applied in the coating, metal material coating process, fusion spraying, etc., can solve the problems of high raw material cost, complicated preparation process, high process cost, etc., to overcome raw material cost, prepare The effect of simple method and high process cost
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Embodiment 1
[0037] The preparation method of the zirconium boride-based coating in this embodiment adopts the method of in-situ synthesis of the zirconium boride-based coating, and the steps are as follows:
[0038] The first step is to prepare the zirconia / boron carbide / aluminum composite powder for thermal spraying:
[0039] Evenly mix aluminum powder with a particle size range of 0.5 micron to 10 microns, zirconia powder with a particle size range of 0.001 micron to 10 microns, and boron carbide powder with a particle size range of 0.001 micron to 10 microns to form a composite powder. Wherein, boron carbide powder accounts for 5% by weight of the total mass of the three raw material powders, aluminum powder plus zirconia powder accounts for 95% by weight of the total mass of the three raw material powders, and the weight percentage between the zirconia powder and the aluminum powder The weight ratio is 75:25, and then uniformly mixed into the binder polyvinyl alcohol, the amount of th...
Embodiment 2
[0045] The preparation method of the zirconium boride-based coating adopts the method of in-situ synthesis of the zirconium boride-based coating, and the steps are as follows:
[0046] The first step is to prepare the zirconia / boron carbide / aluminum composite powder for thermal spraying:
[0047] Evenly mix aluminum powder with a particle size range of 0.5 micron to 10 microns, zirconia powder with a particle size range of 0.001 micron to 10 microns, and boron carbide powder with a particle size range of 0.001 micron to 10 microns to form a composite powder. Wherein, boron carbide powder accounts for 17% by weight of the total mass of the three raw material powders, aluminum powder plus zirconia powder accounts for 83% by weight of the total mass of the three raw material powders, and the weight percentage between the zirconia powder and the aluminum powder The weight ratio is then 60:40, and then uniformly mixed into the binder polyvinyl alcohol, the polyvinyl alcohol consump...
Embodiment 3
[0056] The preparation method of the zirconium boride-based coating adopts the method of in-situ synthesis of the zirconium boride-based coating, and the steps are as follows:
[0057] The first step is to prepare the zirconia / boron carbide / aluminum composite powder for thermal spraying:
[0058] Evenly mix aluminum powder with a particle size range of 0.5 micron to 10 microns, zirconia powder with a particle size range of 0.001 micron to 10 microns, and boron carbide powder with a particle size range of 0.001 micron to 10 microns to form a composite powder. Wherein, boron carbide powder accounts for 20% by weight of the total mass of the three raw material powders, aluminum powder plus zirconia powder accounts for 80% by weight of the total mass of the three raw material powders, and the weight percentage between the zirconia powder and the aluminum powder The weight ratio is 90:10, and then uniformly mixed into the binder methyl cellulose, the amount of the methyl cellulose ...
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