Reduce sintering shrinkage rate of titanium carbide powder
Titanium carbide powder has excellent oxidation resistance. It is not prone to oxidation in the air below 600℃, and the oxidation rate at 800℃ is only 0.01mg/(cm²·h), making it suitable for manufacturing high-temperature wear-resistant components. Coating it on the surface of steam turbine blades can resist the erosion and oxidation of high-temperature gas, thereby extending the service life of the blades. The powder has a high grinding efficiency and can be used to make abrasives. When grinding hard alloys, its efficiency is twice that of alumina abrasives. In the processing of optical glass, the grinding tools made of this powder can ensure the high smoothness of the glass surface. Titanium carbide powder is a grayish-black ultrafine powder with a purity of over 99.9%, and an average particle size ranging from 0.5 to 5μm. It features a high melting point (3140℃) and high hardness (Mohs hardness 9-10). It is the core raw material for preparing titanium carbide hard alloys and ceramic materials. In powder metallurgy, when mixed with cobalt and nickel powders and sintered, it can be made into high-performance alloys. The powder has good sphericity and excellent fluidity, with a bulk density of 2.5-3.0g/cm³, which can ensure the uniformity of the composition of the sintered products and prevent the occurrence of pores or segregation. In the production of cemented carbide, the addition of titanium carbide powder can increase the wear resistance of the alloy by 20-30%, and it is widely used in cutting tools, molds and other fields.
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