AIR-PERMEABLE REFRACTORY AND NOZZLE FOR CONTINUOUS CASTING

PROBLEM TO BE SOLVED: To provide an air-permeable refractory which prevents increase of danger on operation, such as breakout of an immersion nozzle caused by expansion of a gas bubble diameter with a lapse of time in the continuous casting operation.SOLUTION: The air-permeable refractory contains 1...

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Bibliographische Detailangaben
Hauptverfasser:	SADANO KENJI, MORIKAWA KATSUMI, FUKUNAGA SHINICHI, TSUZUKI TETSUO, OTSUKA HIROSHI, KONDO YOSHIYUKI, SUZUKI HIDEJI
Format:	Patent
Sprache:	eng
Schlagworte:	CASTING CASTING OF METALS CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES PERFORMING OPERATIONS POWDER METALLURGY TRANSPORTING
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Zusammenfassung:	PROBLEM TO BE SOLVED: To provide an air-permeable refractory which prevents increase of danger on operation, such as breakout of an immersion nozzle caused by expansion of a gas bubble diameter with a lapse of time in the continuous casting operation.SOLUTION: The air-permeable refractory contains 15-30 mass% of free carbon ("free carbon" means carbon other than the compound), 2 to