- Uranium carbide
Uranium carbide Identifiers CAS number Properties Molecular formula UC Molar mass 250.04 g/mol Density 13.63 g/cm3 Melting point
2350 °C 
Structure Crystal structure cubic, cF8 Space group Fm3m, No. 225 (what is: /?)
Except where noted otherwise, data are given for materials in their standard state (at 25 °C, 100 kPa)
Uranium carbide, a carbide of uranium, is a hard refractory ceramic material. It comes in several stoichiometries (UCx), such as uranium monocarbide (UC, CAS number 12070-09-6), uranium sesquicarbide (U2C3, CAS number 12076-62-9), and uranium dicarbide (UC2, CAS number 12071-33-9).
Like uranium dioxide and some other uranium compounds, uranium carbide can be used as a nuclear fuel for nuclear reactors, usually in the form of pellets or tablets. Uranium carbide fuel was used in late designs of nuclear thermal rockets.
As nuclear fuel, uranium carbide can be used either on its own, or mixed with plutonium carbide (PuC and Pu2C3). The mixture is also labeled as uranium-plutonium carbide (PuC U).
Uranium carbide is also a popular target material for particle accelerators.
- Uranium boride
- Thorium carbide
- ^ Ma, Benjamin. Nuclear Reactor Materials and Applications. Van Nostrand Reinhold Co, 1983, p. 167.
- ^ Also called diuranium tricarbide, it was reported by A.E. Austin, Acta Crystallographica, 1959, 12, 159-161.
- ^ Uranium dicarbide was reported by A.L. Bowman, G.P. Arnold, W.G. Witteman, T.C. Wallace and N.G. Nereson, Acta Crystallographica, 1966, 21, 670-671.
- ^ Hutchings, G. J., et al., Uranium-oxide-based catalysts for the destruction of volatile Chloro-organic compounds, Nature, 1996, 384, 341-343.
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