Use of waterless molding mixtures as a substitute for the traditional sandy-argillaceous mixtures |
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Authors: | A. V. Koltygin Yu. P. Tsynovnikova O. A. Kol’ |
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Affiliation: | (1) Department of the Technology of Foundry Processes, Moscow State Institute of Steel and Alloys (Technological University), Leninskii pr. 4, Moscow, 119049, Russia |
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Abstract: | In the last years, there is carried out an intensive search for new molding mixtures capable of replacing sand-argillaceous mixtures whose properties have already been well studied. Unfortunately, the majority of them form a mold in the course of the hardening of a bonding agent, which requires creating a complex system for the regeneration of the used sand. In this connection, we investigated a waterless molding mixture with the use of organobentonite as the binder, which does not require any changes in the technological process of green-sand molding. The influence of the amount and composition of the solvent on the properties of waterless mixtures is estimated. |
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