Compositions: ceramic – Ceramic compositions – Carbide or oxycarbide containing
Patent
1997-06-13
1999-09-21
Group, Karl
Compositions: ceramic
Ceramic compositions
Carbide or oxycarbide containing
501 89, 501 92, 501 953, 501 961, 407119, 428689, 252516, 2525202, 25252022, C04B 3581, C04B 3556
Patent
active
059553901
ABSTRACT:
A ceramic composition produced by the consolidation of a blend of starting components. The composition comprises a matrix with one or more of the carbides, nitrides and carbonitrides of hafnium, molybdenum, zirconium, tantalum, niobium, vanadium and tungsten, titanium nitride, and titanium carbonitride in an amount that is greater than 50 volume percent of the matrix. The matrix comprises between 60 and 99.8 volume percent of the composition. Ceramic whiskers are uniformly dispersed throughout the matrix wherein the ceramic whiskers comprises between 0.2 and 40 volume percent of the composition.
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Huston William R.
Mehrotra Pankaj K.
Group Karl
Kennametal Inc.
Prizzi John J.
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