Method for increasing the strength of porous ceramic bodies...

Details Method for increasing the strength of porous ceramic bodies... Method for increasing the strength of porous ceramic bodies...

C - Chemistry, Metallurgy

04

B

C04B 35/63 (2006.01) C04B 35/622 (2006.01) C04B 38/00 (2006.01)

Patent

CA 2562671

A porous ceramic body having increased strength is formed by exposing a porous ceramic body to a source of boron and heating the porous body to a sufficient temperature in an oxygen containing atmosphere to form the porous ceramic body. The porous ceramic body has a boron containing oxide glassy phase on at least a portion of the ceramic grains of the porous ceramic body.

L'invention concerne un corps céramique poreux présentant une résistance améliorée obtenue par l'exposition de ce corps poreux à une source de bore et par le chauffage dudit corps à une température suffisante, dans une atmosphère contenant de l'oxygène, pour former le corps céramique. Le corps céramique poreux selon l'invention comporte une phase vitreuse oxyde contenant du bore sur au moins une partie de ses grains céramiques.

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