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Vanadium carbide

 
Sci-Tech Dictionary: vanadium carbide
(və′nād·ē·əm ′kär′bīd)

(inorganic chemistry) VC Hard, black crystals, melting at 2800°C, boiling at 3900°C; insoluble in acids, except nitric acid; used in cutting-tool alloys and as a steel additive.


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Vanadium carbide[1]
Vanadium carbide
Other names Vanadium Carbon
Identifiers
CAS number 12070-10-9 Yes check.svgY
PubChem 159387
Properties
Molecular formula VC
Molar mass 62.953 g/mol
Appearance refractory black cubic crystals
Density 5.77 g/cm3
Melting point

2810 °C

Solubility in water insoluble
Structure
Crystal structure cubic, cF8
Space group Fm3m, No. 225
 Yes check.svgY (what is this?)  (verify)
Except where noted otherwise, data are given for materials in their standard state (at 25 °C, 100 kPa)
Infobox references

Vanadium carbide, VC, is an extremely hard refractory ceramic material. It is commercially used in tool bits cutting tools. It has the appearance of gray metallic powder with cubic crystal structure.

Vanadium carbide is chemically stable and has excellent high-temperature property. It can be used as an additive to tungsten carbide to fine the carbide crystals to improve the property of the cermet. Vanadium Carbide can be formed in the (111) orientation, when formed by R.F. Magnetron Sputtering. Although Vanadium Carbide is a very thermodynamically stable ceramic, V2C is energy favorable to exist at temperatures above 900°C.

References

  1. ^ Lide, David R. (1998), Handbook of Chemistry and Physics (87 ed.), Boca Raton, FL: CRC Press, pp. 4–93, ISBN 0849305942 



 
 
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