Titanium carbide, TiC, is an extremely hard (Mohs 9–9.5) refractory ceramic material, similar to tungsten carbide. It has the appearance of black powder with the sodium chloride (face-centered cubic) crystal structure. It occurs in nature as a form of the very rare mineral khamrabaevite (Russian: Хамрабаевит) - (Ti,V,Fe)C. It was discovered in 1984 on Mount Arashan in the Chatkal District, USSR (modern Kyrgyzstan), near the Uzbek border. The mineral was named after Ibragim Khamrabaevich Khamrabaev, director of Geology and Geophysics of Tashkent, Uzbekistan. As found in nature its crystals range in size from 0.1 to 0.3mm.
Hardness:
9 - 9.5
Density:
10.01 g/cm³
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Properties
Characteristics
Cultural
Common Questions
General Info About Khamrabaevite
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Physical Properties of Khamrabaevite
Colors
dark gray
Hardness
9 - 9.5 , Extremely hard
Density
10.01 g/cm³, Obviously Heavy Weight
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Chemical Properties of Khamrabaevite
Formula
(Ti,V,Fe)C
Elements listed
C, Fe, Ti, V
Characteristics of Khamrabaevite
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Characteristics of Khamrabaevite
Titanium carbide has an elastic modulus of approximately 400 GPa and a shear modulus of 188 GPa.
Cultural Significance of Khamrabaevite
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Uses of Khamrabaevite
Titanium carbide is used in preparation of cermets, which are frequently used to machine steel materials at high cutting speed. It is also used as an abrasion-resistant surface coating on metal parts, such as tool bits and watch mechanisms. Titanium carbide is also used as a heat shield coating for atmospheric reentry of spacecraft. 7075 aluminium alloy (AA7075) is almost as strong as steel, but weighs one third as much. Using thin AA7075 rods with TiC nanoparticles allows larger alloys pieces to be welded without phase-segregation induced cracks.
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