Cubic boron nitride abrasive and process for preparing same

Details Cubic boron nitride abrasive and process for preparing same Cubic boron nitride abrasive and process for preparing same

1991-07-25

1993-03-16

Bell, Mark L.

Abrasive tool making process, material, or composition

Miscellaneous

51307, 51309, B24D 300

Patent

active

051940710

ABSTRACT:
The present invention provides methods for forming cubic boron nitride from large particle ideal structure hexagonal boron nitride. Large particles provide improved packing density within the high pressure, high temperature equipment utilized, providing higher yields from conversion processes which utilize a catalyst and those which do not. This large particle ideal structure HBN can be used with conventional high pressure, high temperature processes to provide CBN particulates, composites and compacts.

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patent: 5000760 (1991-03-01), Ohtsubo et al.
patent: 5015265 (1991-05-01), Corrigan et al.

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