Journal of the Society of Inorganic Materials, Japan
Online ISSN : 2185-4378
ISSN-L : 1345-3769
Colloidal Processing and Sintering of Fine Oxide Powders Using Zirconium Oxy-Salt as a Dispersant
Yoshio SAKKAToru MATSUMOTOYusuke MORIYOSHI
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2002 Volume 9 Issue 301 Pages 526-530

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Abstract

Colloidal processing of fine powders of zirconia, alumina and titania was conducted for obtaining fine-grained microstructures. Well-dispersed aqueous suspensions of the fine powders were prepared by adding appropriate amount of zirconium acetate. The suspensions were characterized by measuring particle size, zeta-potential and rheological properties. Dense green bodies of zirconia, alumina and titania were obtained by slip casting of the suspensions and further CIP treatment. Low-temperature densification was observed and dense and fine-grained sintered bodies were obtained.

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