Production of ceramic and ceramic-metal composite articles...

Details Production of ceramic and ceramic-metal composite articles... Production of ceramic and ceramic-metal composite articles...

C - Chemistry, Metallurgy

04

B

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C04B 35/65 (2006.01) C04B 41/50 (2006.01) C04B 41/51 (2006.01) C04B 41/87 (2006.01) C04B 41/88 (2006.01) C22C 1/10 (2006.01) C22C 29/12 (2006.01) F41H 5/04 (2006.01)

Patent

CA 1307914

-19- ABSTRACT The invention comprises a method of making self- supporting ceramic and ceramic composite structures by the oxidation reaction of a body of molten parent metal precursor with a vapor-phase oxidant to form an oxidation reaction product. This reaction or growth is continued to form a thick, self-supporting ceramic or ceramic composite body. The body is recovered and in a separate subsequent operation, at least a portion of a surface is coated with one or more materials in order to effect desired changes in the properties of the surface, e.g., hardness, corrosion, resistance.

547466

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