Method for making titanium nitride

Details Method for making titanium nitride Method for making titanium nitride

1989-04-20

1991-03-26

Langel, Wayne A.

Chemistry: electrical and wave energy

Processes and products

Electrostatic field or electrical discharge

204178, 423411, C01B 2100, C01B 21076, C01B 2130

Patent

active

050026461

ABSTRACT:
A method which comprises the manufacture of black titanium nitride which comprises heating ammonia and titanium halide by means of an electric plasma formed in a stream of non-oxidizing gas generated by the discharge of direct current electricty between a pair of electrodes. The heated gases are introduced through an inlet nozzle into a reactor so constructed and operated as to induce circulation of the gases with a specifically defined recirculation ratio.

REFERENCES:
patent: 2413778 (1947-01-01), Olson
patent: 2952599 (1960-09-01), Suchet
patent: 3345134 (1967-10-01), Heymer et al.
patent: 3591338 (1971-07-01), Roberts
patent: 3657089 (1972-04-01), Takahashi et al.
patent: 4022872 (1977-05-01), Carson et al.
patent: 4080431 (1978-03-01), Moss
patent: 4851206 (1989-07-01), Boudart et al.
V. N. Troitskii et al., "Use of a Superhigh Frequency Discharge for the Manufacture of Titanium Nitride Powder", Sov. Powder Metall. & Metal Ceram., (U.S.A.), vol. II, No. 3 (III), (Mar. 1972), pp. 176-178.
Chemical Abstracts, vol. 75, 65714d, 1971.

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