Specialized metallurgical processes – compositions for use therei – Compositions – Consolidated metal powder compositions
Patent
1995-08-22
1997-06-10
Mai, Ngoclan
Specialized metallurgical processes, compositions for use therei
Compositions
Consolidated metal powder compositions
75244, 75246, 75249, 419 12, 419 18, 419 60, 501 963, C22C 2902, C22C 2914, B22F 300
Patent
active
056378165
ABSTRACT:
A metal matrix composite comprising an iron aluminide binder phase and a ceramic particulate phase such as titanium diboride, zirconium diboride, titanium carbide and tungsten carbide is made by heating a mixture of iron aluminide powder and particulates of one of the ceramics such as titanium diboride, zirconium diboride, titanium carbide and tungsten carbide in a alumina crucible at about 1450.degree. C. for about 15 minutes in an evacuated furnace and cooling the mixture to room temperature. The ceramic particulates comprise greater than 40 volume percent to about 99 volume percent of the metal matrix composite.
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Ericson Ivan L.
Lockheed Martin Energy Systems, Inc.
Mai Ngoclan
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