Compositions: ceramic – Ceramic compositions – Carbide or oxycarbide containing
Patent
1993-11-18
1994-07-05
Bell, Mark L.
Compositions: ceramic
Ceramic compositions
Carbide or oxycarbide containing
501 95, 501 98, 51309, C04B 3510, B24D 324
Patent
active
053267311
ABSTRACT:
A composition for hard, sintered, tough and wear resistant ceramic articles is described. The composition is comprised of alumina, titanium carbonitride and filaments of titanium diboride or titanium nitride. The ceramic articles made of this composition are isostatically hot pressed or sintered at high temperature in inert gas. The density of the ceramic articles is usually in excess of 99% theoretical density and the hardness is greater than 20 GPa. The process was applied to manufacture ceramic cutting inserts of the above composition.
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Bhola Rakesh
Dasgupta Sankar
Jacobs James K.
Bell Mark L.
Electrofuel Manufacturing Company
Jones Deborah
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