MOULD MATERIAL MIXTURE HAVING IMPROVED FLOWABILITY

MOULD MATERIAL MIXTURE HAVING IMPROVED FLOWABILITY

The invention relates to a mold material mixture for producing casting molds for metal processing, a process for producing casting molds, casting molds which can be obtained by the process and their use. The production of the casting molds is carried out using a refractory base molding material and...

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Hauptverfasser: KOERSCHGEN, Joerg, KOCH, Diether, Mueller, Jens, FROHN, Marcus
Format: Patent
Sprache:eng ; hun
Schlagworte:
CASTING
FOUNDRY MOULDING
PERFORMING OPERATIONS
POWDER METALLURGY
TRANSPORTING
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creator KOERSCHGEN, Joerg
KOCH, Diether
Mueller, Jens
FROHN, Marcus
description The invention relates to a mold material mixture for producing casting molds for metal processing, a process for producing casting molds, casting molds which can be obtained by the process and their use. The production of the casting molds is carried out using a refractory base molding material and a binder based on water glass. A proportion of a particulate metal oxide selected from the group consisting of silicon dioxide, aluminium oxide, titanium oxide and zinc oxide is added to the binder, with particular preference being given to using synthetic amorphous silicon dioxide. The mold material mixture contains a surface-active material as further significant constituent. The addition of the surface-active material enables the flowability of the mold material mixture to be improved, which makes it possible to produce casting molds having a very complicated geometry.
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subjects CASTING
FOUNDRY MOULDING
PERFORMING OPERATIONS
POWDER METALLURGY
TRANSPORTING
title MOULD MATERIAL MIXTURE HAVING IMPROVED FLOWABILITY
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