Method for producing cubic boron nitride

Chemistry of inorganic compounds – Boron or compound thereof – Binary compound

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C01B 21064

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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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