Self-supporting ceramic structures and methods of making the...

Details Self-supporting ceramic structures and methods of making the... Self-supporting ceramic structures and methods of making the...

C - Chemistry, Metallurgy

04

B

25/141

C04B 35/65 (2006.01) C04B 35/10 (2006.01) C04B 41/87 (2006.01)

Patent

CA 1307917

ABSTRACT OF THE DISCLOSURE A method of producing self-supporting ceramic structures includes providing a first self-supporting ceramic body comprising (i) a polycrystalline oxidatlon reaction product formed upon oxidation of a first molten parent metal with a first oxidant, and (ii) interconnected porosity at least partially accessible from one or more surfaces of said first ceramic body. A second ceramic body is used to form, by reaction with a vapor-phase oxidant, a second polycrystalline material which is infiltrated into the porosity of at least a zone of said first ceramic body.

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