SUSPENSION FOR MAKING PRECISION CASTING MOULDS BY ELECTROPHORESIS Russian patent published in 2013 - IPC B22C1/02 C25D1/12 

Abstract RU 2481172 C2

FIELD: process engineering.

SUBSTANCE: invention relates to casting, particularly, to electrophoresis suspensions used for dead mould casting of ceramic moulds. Proposed suspension comprises the following components in wt %: 0.4-1%-water solution of sodium salt of carboxymethyl cellulose - 26-31, refractory filler with heat conducting additive, a scale, making the rest. Note here that said refractory filler represents a mix of quartz sand, scale and marshallite at the following ratio of ingredients, wt %: quartz sand - 70, scale - 10-15, marshallite making the rest.

EFFECT: higher heat conductivity of moulds and quality of castings.

2 cl

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Authors

Evstigneev Aleksej Ivanovich

Petrov Viktor Viktorovich

Dmitriev Ehduard Anatol'Evich

Sviridov Andrej Vladimirovich

Dates

2013-05-10Published

2011-08-15Filed