Self-supporting bodies

Details Self-supporting bodies Self-supporting bodies

1993-01-19

1994-03-22

Group, Karl

Compositions: ceramic

Ceramic compositions

Carbide or oxycarbide containing

501 93, 501 96, 428545, C04B 3565

Patent

active

052964175

ABSTRACT:
Self-supporting bodies are produced by reactive infiltration of a parent metal into a boron carbide material which may contain one or both of a boron donor material and a carbon donor material. The reactive infiltration typically results in a composite comprising a boron-containing compound, a carbon-containing compound and residual metal, if desired. The mass to be infiltrated may contain one or more inert fillers admixed with the boron carbide material, boron-containing compound and/or carbon-containing compound. The relative amounts of reactants and process conditions may be altered or controlled to yield a body containing varying volume percents of ceramic, metal, ratios of one ceramic to another and porosity.

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