CBN abrasive-grains, method for producing the same, and grinding

Details CBN abrasive-grains, method for producing the same, and grinding CBN abrasive-grains, method for producing the same, and grinding

1989-07-21

1991-03-19

Dixon, Jr., William R.

Abrasive tool making process, material, or composition

Miscellaneous

51295, 51307, 51308, 51309, B24D 300

Patent

active

050007602

ABSTRACT:
CBN abrasive grains contain 0.01% by weight or more of Si and, the majority of the surfaces of its grains consist of {111} planes. In the method for producing CBN abrasive grains, a C source, an Si source, and at least one member selected from the group consisting of alkali hydride, alkali-earth hydride, and a synthetizing catalyst of CBN which may be the alkali hydride and alkali-earth hydride, are mixed together with HBN and are subjected to the treatment.

REFERENCES:
patent: 4259090 (1981-03-01), Bovenkerk
patent: 4512946 (1985-04-01), Brun et al.
patent: 4515746 (1985-05-01), Brun et al.
patent: 4518659 (1985-05-01), Gigl et al.
patent: 4539141 (1985-09-01), Brun et al.

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