Method for preparing nano/submicron TiB-TiC enhanced titanium-base composite material (TiB+TiC)/Ti
A titanium-based composite material and nanotechnology, applied in the direction of manufacturing tools, welding equipment, laser welding equipment, etc., can solve the problems of poor wear resistance, coarse particles, unfavorable comprehensive mechanical properties of the cladding layer, etc., and achieve excellent wear resistance Effect
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[0044] Example 1
[0045] This nano / submicron TiB-TiC reinforced titanium-based composite material (TiB+TiC) / Ti, the composition (weight%) required to prepare the composite material is 80% Ti, 15% B 4 C, 5% CeO 2 .
[0046] The preparation process of the above-mentioned nano / submicron TiB-TiC reinforced titanium-based composite material (TiB+TiC) / Ti includes the following steps:
[0047] (1) The reactant Ti, reactant B 4 C and CeO 2 The powder precursor is assembled into cohesive particles with a particle size of about 30μm through plasma densification and granulation;
[0048] (2) Cold spray a layer of adhesive particles with a thickness of about 0.5-1.0mm on the titanium alloy Ti-6Al-4V substrate to form a pre-assembled layer;
[0049] (3) Coating on the surface of the above-mentioned pre-assembled layer can increase the effect of CO 2 Liquid light-absorbing paint with laser absorptivity; The liquid light-absorbing paint consists of a nano-oxide main material selected from zinc ...
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[0057] Example 2
[0058] This nano / submicron TiB-TiC reinforced titanium-based composite material (TiB+TiC) / Ti, the composition (weight%) required to prepare the composite material is 72% Ti, 20% B 4 C, 8% CeO 2 .
[0059] The preparation process of the above-mentioned nano / submicron TiB-TiC reinforced titanium-based composite material (TiB+TiC) / Ti includes the following steps:
[0060] (1) The reactant Ti, reactant B 4 C and CeO 2 The powder precursor is assembled into cohesive particles with a particle size of about 30μm through plasma densification and granulation;
[0061] (2) Cold spray a layer of adhesive particles with a thickness of about 0.5-1.0mm on the titanium alloy Ti-6A1-4V substrate to form a pre-assembled layer;
[0062] (3) Coat the surface of the pre-assembled layer with a liquid light-absorbing paint that can increase the absorption rate of CO2 laser; the liquid light-absorbing paint is made of zinc oxide, titanium oxide, silicon dioxide, aluminum oxide or rare...
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