Alloys or metallic compositions – Ferrous – Processes
Patent
1987-11-18
1989-01-24
Rutledge, L. Dewayne
Alloys or metallic compositions
Ferrous
Processes
420590, C22C 110, C22C 3200
Patent
active
048000655
ABSTRACT:
This invention relates to ceramic-ceramic composites comprising a dispersion of ceramic particles in a ceramic matrix. The production of these composites involves the in-situ precipitation of ceramic particles in a solvent metal matrix and the conversion of the matrix to a ceramic by reacting it with a matrix reactive species. Exemplary ceramic dispersoids include TiB.sub.2, ZrB.sub.2, TiC and TiN. Exemplary ceramic matrices include AlN, Al.sub.2 O.sub.3 and SiO.sub.2.
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Brupbacher John M.
Christodoulou Leontios
Nagle Dennis C.
Chin Gay
Martin Marietta Corporation
Mylius Herbert W.
Rutledge L. Dewayne
Schumaker David
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