Introduction to The Preparation Methods of Titanium Carbide Powder

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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 be dissolved by aqua regia or nitric, hydrofluoric, and nitric-fluoric 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 shares several properties with metals including high melting and boiling points, hardness, and high boiling temperatures. Diamond is the only other material that can rival its hardness.

Titanium carbide has good thermal conductivity and electrical conductivity. This powder is superconductive 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 Titanium dioxide and Carbon Black is mixed proportionally and then pressed into a tube furnace in hydrogen using either a horizontal carbon furnace or vertical carbon furnace. Reduced TiC is obtained at 1900-2300degC. Then, the block is pulverized into titanium carbide. The sponge titanium or titanium alloy (recovered from carbide solid solutions) and the carbon black can be heated in a high purity hydrogen stream at 1500-1700degC to produce titanium carbide.

Direct carbonization of Titanium Metal:
Titanium powder (reduced or decomposed titanium hydride less than 325 mesh), mixed with black carbon, is molded and heated at 1500-1750degC 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 form of titanium carbide differs depending on the reaction conditions.

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