Cubic boron nitride-based very high pressure-sintered material f

Details Cubic boron nitride-based very high pressure-sintered material f Cubic boron nitride-based very high pressure-sintered material f

1983-12-20

1986-10-28

Lovering, Richard D.

Specialized metallurgical processes, compositions for use therei

Compositions

Consolidated metal powder compositions

75244, 419 12, 419 14, B22F 314

Patent

active

046196986

ABSTRACT:
A cubic boron nitride-based very high pressure-sintered material very excellent in both toughness and wear resistance and adapted to be employed in cutting tools for milling hard steels and like machining purposes. The very high pressure-sintered material consists essentially of: 1-20 percent at least one compound selected from the group consisting of titanium carbide and titanium carbo-nitride; 1-20 percent at least one compound selected from the group consisting of CoAl, NiAl, and (Co, Ni)Al; and 75-97 percent cubic boron nitride and inevitable impurities. The very high pressure-sintered material may further contain 1-10 percent at least one metal selected from the group consisting of cobalt and nickel.

REFERENCES:
patent: 4334928 (1982-06-01), Hara et al.
patent: 4343651 (1982-08-01), Yazu et al.
patent: 4394170 (1983-07-01), Sawaoka et al.

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