Sialon-bonded silicon carbide refractory

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, a...

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Bibliographische Detailangaben
Hauptverfasser: DUKES, GARY, SCHMITZ, PETER, FUNK, JR., JAMES E, CAMPOS-LORIZ, DIEGO, DIERKES, MARTINA, LAMKIN, MICHAEL A
Format: Patent
Sprache:eng
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Zusammenfassung: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.