The influence of plasticizating additives on rheology of slip for porous ceramic materials based on aluminum oxide

Buchilin N.V., Prager E.P., Ivakhnenko Yu.A.
UDC
666.3.022.66
DOI
10.18577/2307-6046-2016-0-8-6-6
Article PDF (Russian) (1.06 MB)
How to cite
Buchilin N.V., Prager E.P., Ivakhnenko Yu.A. The influence of plasticizating additives on rheology of slip for porous ceramic materials based on aluminum oxide // Proceedings of VIAM. 2016. No. 8. DOI: 10.18577/2307-6046-2016-0-8-6-6. URL: https://test.viam.ru/en/journal/2016/8/6
Keywords
rheology, slurry, slip suspensions, oxide ceramics, alumina, ceramic filters.
Abstract

In the present article the results of rheology characteristics investigations of alumina-based slurries for foam-ceramics production are presented. It is shown that replacement of water, that is used as technological ligament, by water solution of carbamide and aluminum oxychloride, leads to decrease of thickness of corundum particles electric dou-ble layer, that facilitates green bodies formability and improves mechanical characteristics of ceramic materials. The ratios of solid phase (sintering powders) to liquid phase (technological ligament) where either coagulation contacts or direct contacts between solid phase particles appears to form are determined.

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