LIME-FREE PREFORMED SHAPES FOR CASTING ALUMINUM

LIME-FREE PREFORMED SHAPES FOR CASTING ALUMINUM Preformed silica shapes such as pins and spouts useful in the casting of molten aluminum are provided by which a high strength chemical bond is developed by adding 2 to 10 wt. % of an alkali phosphate-modified alumino-silicate binder to a fused silica...

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Bibliographic Details
Main Author MCCOLLUM, J. MICHAEL
Format Patent
LanguageEnglish
French
Published 08.08.1991
Edition5
Subjects
ARTIFICIAL STONE
CASTING
CEMENTS
CERAMICS
CHEMISTRY
COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDINGMATERIALS
CONCRETE
FOUNDRY MOULDING
LIME, MAGNESIA
METALLURGY
PERFORMING OPERATIONS
POWDER METALLURGY
REFRACTORIES
SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS, SLAG, OR MIXTURESCONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
SLAG
TRANSPORTING
TREATMENT OF NATURAL STONE
WORKING CEMENT, CLAY, OR STONE
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Summary:LIME-FREE PREFORMED SHAPES FOR CASTING ALUMINUM Preformed silica shapes such as pins and spouts useful in the casting of molten aluminum are provided by which a high strength chemical bond is developed by adding 2 to 10 wt. % of an alkali phosphate-modified alumino-silicate binder to a fused silica mix. To this silica and binder mix, sufficient water is added to obtain a castable consistency. Then, a shape is cast, dried, and shipped for service.
Bibliography:Application Number: CA19912034368