Preparation of cubic Boron nitride

Cubic boron nitride is produced by treating hexagonal boron nitride at high pressure and temperature, much as synthetic diamond is made from graphite. Direct conversion of hexagonal boron nitride to the cubic form occurs at pressures up to 18 GPa and...…

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Cubic BN

Cubic boron nitride (CBN or c-BN) is widely used as an abrasive. Its usefulness arises from its insolubility in high temperatures in iron, nickel, and related alloys, whereas diamond is soluble in these metals. Polycrystalline c-BN (PCBN) abrasives a...…

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Preparation of cubic BN

Synthesis of c-BN uses the same methods as a diamond: cubic boron nitride is produced by treating hexagonal boron nitride at high pressure and temperature, much as synthetic diamond is produced from graphite. Direct conversion of hexagonal boron nitr...…

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