Titanium carbide, chemical formula TiC, molecular weight 59.89. Gray metallic face-centered cubic lattice solid. Melting point 3140±90 ℃, boiling point 4820℃, relative density 4.93. Hardness is greater than 9. Insoluble in water, soluble in nitric acid and aqua regia. It is stable to air below 800℃ and eroded by air above 2000℃. It can react with pure O2 at 1150C. There are various production methods, such as carbon thermal reduction, direct carbonization, high temperature self-propagating synthesis and so on
Titanium carbide is a gray-black powder with nacL-type cubic crystal structure. Because of its high melting point, high hardness, good chemical stability, mainly used to manufacture cermets, heat resistant alloys and cemented carbide. Titanium carbide and tungsten carbide, tantalum carbide, niobium carbide, chromium carbide, titanium nitride and other forms of binary, ternary, four-element compound solid solution, applied to spraying materials, welding materials, hard film materials, military aviation materials, carbide and cermet, but also used as arc lamp electrode and abrasive agent.
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