Titanium Nitride
Title: Titanium Nitride
CAS Registry Number: 25583-20-4
Molecular Formula: NTi
Molecular Weight: 61.87
Percent Composition: N 22.64%, Ti 77.37%
Line Formula: TiN
Literature References: Refractory transition metal nitride with high chemical and thermal stability, good wear resistance, and high electrical conductivity. Prepn by plasma-enhanced chemical vapor deposition: N. J. Ianno et al., J. Electrochem. Soc. 136, 276 (1989). Hydrazide sol-gel synthesis: I. Kim, P. N. Kumta, J. Mater. Chem. 13, 2028 (2003). Low temp induced synthesis: X. Feng et al., Inorg. Chem. 43, 3558 (2004). Prepn and catalytic properties: S. Kaskel et al., J. Mol. Catal. A 208, 291 (2004). Physical-mechanical properties of TiN nanostructures: R. A. Andrievski, NanoStruct. Mater. 9, 607 (1997). Bioactivity of TiN-coated hip prostheses: S. Piscanec et al., Acta Mater. 52, 1237 (2004). Review of chemistry, properties and prepn methods: L. E. Toth, Transition Metal Carbides and Nitrides (Academic Press, New York, 1971) 279 pp; of structure and properties of TiN coatings: J.-E. Sundgren, Thin Solid Films 128, 21-44 (1985); S. Chatterjee et al., J. Mater. Sci. 27, 1989-2006 (1992).
Properties: Golden-yellow solid, mp 2950°. d 5.39. Microhardness: 2000 kg/mm2.
Melting point: mp 2950°
Density: d 5.39
Use: As protective coating for cutting tools; in diffusion barriers for microelectronic devices; as crucibles in metal smelting; as a gold-colored surface for jewelry. In high-performance ceramic materials. As a coating for orthopedic and dental implants.

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