Silicon nitride cutting tool

Details Silicon nitride cutting tool Silicon nitride cutting tool

1987-10-05

1989-11-21

Dixon, Jr., William R.

Abrasive tool making process, material, or composition

With inorganic material

51309, 428698, 428701, 501 96, 501 97, 501 98, B24D 304

Patent

active

048819506

ABSTRACT:
A coated densified ceramic cutting tool has a granular phase of silicon nitride, silicon aluminum oxynitride, and a reaction formed submicron refractory metal nitride uniformly distributed in a matrix of a suitable densification aid with a coating comprising an interfacial layer of titanium nitride followed by at least one layer of refractory metal material.

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