REFRACTORY MATERIAL FOR ALUMINUM-LITHIUM ALLOY

PURPOSE: To improve the resistance to thermal shock without deteriorating corrosion resistance and to prevent the intrusion of molten metal from a crack even when used in a large-sized melting furnace by forming the refractory material with spinel, boric anhydride and the balance alumina. CONSTITUTI...

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Bibliographische Detailangaben
Hauptverfasser:	KONISHI GIICHI, WASHIO HARUSHICHI, TOYOSHIMA MASAYASU, KUROKI TOMOHITO
Format:	Patent
Sprache:	eng
Schlagworte:	ALLOYS 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 FERROUS OR NON-FERROUS ALLOYS LIME, MAGNESIA METALLURGY PERFORMING OPERATIONS POWDER METALLURGY REFRACTORIES SLAG TRANSPORTING TREATMENT OF ALLOYS OR NON-FERROUS METALS TREATMENT OF NATURAL STONE
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Beschreibung
Zusammenfassung:	PURPOSE: To improve the resistance to thermal shock without deteriorating corrosion resistance and to prevent the intrusion of molten metal from a crack even when used in a large-sized melting furnace by forming the refractory material with spinel, boric anhydride and the balance alumina. CONSTITUTION: This composite refractory material contains, for example, 62-82wt.% Al2 O3 and 18-38wt.% MgO. The spinel as a refractory chemically stable to lithium and having