Development of Ceramic Refractory Filters from Alternative Mineral Source: Rheological Characterization

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This article reports the results of a preliminary research work related to the rheological study of aqueous suspensions prepared from an industrial solid waste (ceramic shell) from the process of lost-wax casting. The results showed that the residue analyzed has a strong refractory character since it contains mostly mullite, zirconium silicate and quartz. The ceramic suspensions obtained, containing 70% (~ 23% vol.) residue, 5-7% of kaolin and 1.0-1.5% dispersant, showed a rheological behavior suitable for impregnation of polymeric foams for the production of filters for metal casting by the replication method.

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Materials Science Forum (Volumes 775-776)

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664-669

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January 2014

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© 2014 Trans Tech Publications Ltd. All Rights Reserved

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