Method for preparing vacuum hotpressing sintered wear-resistant coating on surface of metallic titanium and titanium alloy base material
A vacuum hot-pressing sintering and wear-resistant coating technology, applied in heating inorganic powder coating and other directions, can solve the problems of reducing fatigue life, reducing wear resistance of composites, and being difficult to form, and achieves improved fatigue properties and good wear resistance. The effect of material wear performance
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Embodiment 1
[0015] A preparation method of vacuum hot pressing sintering wear-resistant coating on the surface of metal titanium substrate:
[0016] The basic raw materials are titanium powder and nickel powder with an average particle diameter of 45 μm and 5 μm and a purity of 99.6% approximately spherical equiatomic ratio, adding 10-30 mol% of diboron with an average particle size of 1.5 μm and a purity of more than 99%. Titanium oxide (TiB 2 ) powder, put the above-mentioned titanium, nickel and titanium diboride powder into a mixing drum filled with industrial ethanol solution, and mix continuously for 12 hours on the drum mixer, and then distill the titanium, nickel and titanium diboride The mixed powder is separated from ethanol, and the separated mixed powder is further dried under 1Pa vacuum condition for 30 minutes. At the same time, the surface of the metal titanium is manually ground with 800# water grinding paper to remove the oxide film on the surface, and then the mixed powd...
Embodiment 2
[0018] A method for preparing a vacuum hot-pressing sintering wear-resistant coating on the surface of a titanium alloy substrate:
[0019] The basic raw materials are titanium powder and nickel powder with an average particle diameter of 45 μm and 5 μm and a purity of 99.6% approximately spherical equiatomic ratio, adding 10-30 mol% of diboron with an average particle size of 1.5 μm and a purity of more than 99%. Titanium oxide (TiB 2 ) powder, put the above-mentioned titanium, nickel and titanium diboride powder into a mixing drum filled with industrial ethanol solution, and mix continuously for 12 hours on the drum mixer, and then distill the titanium, nickel and titanium diboride The mixed powder is separated from ethanol, and the separated mixed powder is further dried under 1Pa vacuum condition for 30 minutes. At the same time, the surface of the metal titanium is manually ground with 800# water grinding paper to remove the oxide film on the surface, and then the mixed p...
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