High-pressure phase boron nitride sintered body for cutting tool

Details High-pressure phase boron nitride sintered body for cutting tool High-pressure phase boron nitride sintered body for cutting tool

1995-03-13

1996-10-29

Jordan, Charles T.

Specialized metallurgical processes, compositions for use therei

Compositions

Consolidated metal powder compositions

428627, 428698, 501 96, C22C 2916

Patent

active

055698620

ABSTRACT:
A high-pressure phase boron nitride sintered body for cutting tools consists of a high-pressure phase boron nitride and an intermetallic compound containing a titanium carbonitride Ti(C,N) and at least one metal of Al, W, Co and Zr, and is produced by mixing the above components, and then sintering at a temperature of not lower than 1000.degree. C. under a pressure of not less than 2.4 GPa but less than 4 GPa.

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