Method of producing cubic boron nitride

Details Method of producing cubic boron nitride Method of producing cubic boron nitride

1977-10-21

1979-04-17

Peters, G. O.

Chemistry of inorganic compounds

Boron or compound thereof

Binary compound

C01B 2106

Patent

active

041500989

ABSTRACT:
A method of producing cubic boron nitride is proposed which consists in that hexagonal boron nitride is subjected simultaneously to the action of a pressure of from about 50 kbar to about 90 kbar and a temperature of at least from about 1800.degree. C. to about 3000.degree. C. during a time period sufficient for formation of a cubic structure.

REFERENCES:
patent: 3212852 (1965-10-01), Bundy
Dulin et al.; Soviet Physics, vol. 11, No. 5, Nov. 1969, pp. 1016-1020.

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