MAGNESIA CARBON BRICK HAVING HIGH SPALLING RESISTANCE AND ITS PRODUCTION

PURPOSE:To collectively improve the spalling resistance and corrosion resistance of a magnesia-carbon brick to be used as a lining material of a molten metal container of a converter, a melt-reducing furnace, etc. CONSTITUTION:The raw material for the magnesia carbon brick compose of (A) a carbon ma...

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Bibliographische Detailangaben
Hauptverfasser:	MAEKAWA AKIYOSHI, SURUGA TOSHIHIRO, KURATA KOSUKE, INOUE HIROFUMI, YOSHITOMI TAKENORI, KITAI TSUNEO
Format:	Patent
Sprache:	eng
Schlagworte:	ARTIFICIAL STONE CASTING CASTING OF METALS CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES CEMENTS CERAMICS CHEMISTRY COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDINGMATERIALS CONCRETE LIME, MAGNESIA METALLURGY PERFORMING OPERATIONS POWDER METALLURGY REFRACTORIES SLAG TRANSPORTING TREATMENT OF NATURAL STONE
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Beschreibung
Zusammenfassung:	PURPOSE:To collectively improve the spalling resistance and corrosion resistance of a magnesia-carbon brick to be used as a lining material of a molten metal container of a converter, a melt-reducing furnace, etc. CONSTITUTION:The raw material for the magnesia carbon brick compose of (A) a carbon material heat-treated at >=800 deg.C, having a true specific gravity of >=1.70, a fixed carbon content of >=90wt.% and a volatile content of