MOLDING MATERIAL MIXTURES CONTAINING METAL OXIDES OF ALUMINUM AND ZIRCONIUM IN PARTICULATE FORM Russian patent published in 2018 - IPC B22C1/18 

Abstract RU 2659562 C2

FIELD: foundry.

SUBSTANCE: mixture of molding materials comprises aluminum oxide in the alpha phase and / or one mixed aluminum / silicon oxide, with the exception of mixed aluminum / silicon oxides having a layered silicate structure, as a particulate metal oxide in combination with refractory basic molding materials and a water glass-based binder system.

EFFECT: quality improvement of the cast surface is provided.

30 cl, 2 dwg, 3 tbl

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RU 2 659 562 C2

Authors

Deters Heinz

Zupan Henning

Oberleiter Martin

Dates

2018-07-02Published

2013-12-20Filed