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Titanium carbide The light gray crystals are cubical and have a high degree of chemical stability. Titanium carbide reacts little with hydrochloric and sulfuric acids. However, it can dissolve in aqua regina, nitric, hydrofluoric, and nitric-acid solutions.
Titanium carbide, a gray iron crystal with a metallic luster that belongs to the NaCl cubic structure, is a simple cubic structure. The covalent bonding between the titanium and carbon atoms in TiC is equivalent to strong atoms. It has many properties similar to metals. These include high melting and boiling points, as well as hardness. Diamond is the only other material that can rival its hardness.

Titanium carbide has good thermal conductivity and electrical conductivity. This powder is superconducting even at low temperatures. TiC can be used in a wide range of applications, including the production of heat-resistant metals, cemented carbides, antiwear materials, high temperature radiation materials, and high-temperature vacuum devices. There are many other applications in different fields.

Titanium carbid powder preparation methods

As raw materials, titanium dioxide and carbon black are used.
The dry powder mixture of high-purity titania dioxide and carbon black is mixed proportionally, then press-formed under a hydrogen-filled atmosphere in either a horizontal carbon-tube furnace or a carbon-tube furnace vertical. Reduced TiC is obtained at 1900-2300degC. Then, the block TiC is pulverized and a titanium carbide product is obtained. Alternatively, carbon black and sponge titanium can be used as raw materials. The sponge Titanium (or titanium, or waste titanium recovered from carbide solution) is fully mixed with the carbon black, then heated to 1500-1700degC using a hydrogen stream of high purity.

Direct carbonization of Titanium Metal:
Titanium powder (reduced with sodium or decomposed titanium hydride; less than 325 mesh), mixed with black carbon, is molded and heated at 1500-17degC using a high-purity stream of hydrogen. The reaction temperature, holding time and particle size are dependent on the raw material.

Gas phase reaction method:
Hydrocarbons containing hydrogen (benzene and methane) are mixed into the steam of titanium chloride. After induction heating (or other methods), the steam is sent to deposit titanium carbide on the substrate. The reaction precipitates titania carbide on substrate. The precipitated titanium carbide has a different form depending on the reaction conditions.

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