Method for producing cubic boron nitride

Details Method for producing cubic boron nitride Method for producing cubic boron nitride

1997-05-21

1998-11-17

Langel, Wayne

Chemistry of inorganic compounds

Boron or compound thereof

Binary compound

C01B 21064

Patent

active

058372148

ABSTRACT:
hBN is converted to cBN by keeping it under temperature and pressure conditions within the range of stability of cubic boron nitride, in the presence of at least one compound selected from carbides of alkali metals and alkaline earth metals, or in the presence both of at least one compound selected from carbides of alkali metals and alkaline earth metals and of at least one compound selected from amides and imides of alkali metals and alkaline earth metals.

REFERENCES:
patent: 5618509 (1997-04-01), Shioi et al.

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