Sialon-bonded silicon carbide refractory

Compositions: ceramic – Ceramic compositions – Carbide or oxycarbide containing

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501 92, 501 98, 264 60, 264 63, 264 65, 264 66, 264 86, C04B 35565, C04B 35599

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active

055211291

ABSTRACT:
A predominantly .beta.'-sialon-bonded silicon carbide refractory article is produced by reaction-nitriding a green body containing a plurality of silicon carbide powders, none having an average particle size greater than about 200 micrometers, a metal oxide oxygen source, fine grained silicon, and a source of aluminum. The invention also includes a raw batch and a process for producing the refractory article.

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