MAGNESIAN REFRACTORY

MAGNESIAN REFRACTORY

PROBLEM TO BE SOLVED: To obtain a magnesia refractory having the same thermal spalling resistance and structural spalling resistance as those of magnesia-chrome refractory or higher than them. SOLUTION: This magnesia refractory is obtained by molding a mixture comprising 93-97 wt.% of a magnesia cli...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: TAMAKI TAKEYUKI, SHIMIZU KOICHI, UCHIDA MASAHIKO, MATSUSHITA KINJI
Format: Patent
Sprache:eng
Schlagworte:
ARTIFICIAL STONE
CEMENTS
CERAMICS
CHEMISTRY
COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDINGMATERIALS
CONCRETE
LIME, MAGNESIA
METALLURGY
REFRACTORIES
SLAG
TREATMENT OF NATURAL STONE
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Beschreibung
Zusammenfassung:PROBLEM TO BE SOLVED: To obtain a magnesia refractory having the same thermal spalling resistance and structural spalling resistance as those of magnesia-chrome refractory or higher than them. SOLUTION: This magnesia refractory is obtained by molding a mixture comprising 93-97 wt.% of a magnesia clinker containing 1.5-4 wt.% of CaO and 3-1 wt.% of zirconia having =1700 deg.C. Particles havxng >=0.5 mm particle diameters in the magnesia clinker in the mixture is electromelted clinker and particles having