Method of producing sintered ceramic articles using liquid...

Details Method of producing sintered ceramic articles using liquid... Method of producing sintered ceramic articles using liquid...

C - Chemistry, Metallurgy

04

B

25/133

C04B 35/64 (2006.01) B22F 3/10 (2006.01) C04B 35/56 (2006.01) C04B 35/565 (2006.01) C04B 35/84 (2006.01)

Patent

CA 1136388

ABSTRACT The present invention relates to the use of liquid sintering aid to densify ceramic materials, for example , silicon carbide. The liquid sintering aid is selected from the group of solutions of H3BO3, B2O3, or mixtures thereof. The sintering aid is particularly adapted to be utilized in combination with a liquid carbon source material. The sintering aid, or combination sintering aid and carbon source, is added to a formed, porous article, suitably by vacuum filling, and the article sintered between about 1900° C, and about 2200°C, to produce a hard, dense article.

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