SELF-HARDENABLE MIXTURE FOR PRODUCING CASTING MOULDS AND CORES

A self-hardening compound for making casting moulds and cores containing a refractory filler, orthophosphoric acid, a magnesia-spinellid-type compound roasted at a temperature of 1600 to 1900`C during 40 to 1600 hours, and water at the following ratio of the said components in parts by weight: ortho...

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Main Authors RENZHIN IGOR P,SU, KOLESNIKOV VYACHESLAV S,SU, ZHUKOVSKIJ SERGEJ S,SU, NEVSKAYA OLGA E,SU, PERTSOVSKIJ VIKTOR N,SU, YUNOVICH YULIJ M,SU
Format Patent
LanguageEnglish
Published 15.07.1982
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
SLAG
TRANSPORTING
TREATMENT OF NATURAL STONE
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Summary:A self-hardening compound for making casting moulds and cores containing a refractory filler, orthophosphoric acid, a magnesia-spinellid-type compound roasted at a temperature of 1600 to 1900`C during 40 to 1600 hours, and water at the following ratio of the said components in parts by weight: orthophosphoric acid 2-10; [the said magnesia-spinellid-type compound 2-20; water 0.5-6.0; refractory filler, balance].
Bibliography:Application Number: SU19792783403