Paper Title:
Wet Processing of Triaxial Ceramics Using a Mixture Design Approach
  Abstract

An optimum amount of deflocculant was determined for three-component suspensions, based on a mixture design approach. Three raw materials were used, characterized as clay, feldspar and quartz. Ten compositions were prepared using the mixture design approach. Deflocculation curves were measured for suspensions with 40 wt.% of solids, adding sodium silicate as dispersant. The optimum deflocculant amount (ODA) was determined for each suspension, corresponding to the lowest value of apparent viscosity considering two nearest experimental points. It was observed that ODA increases linearly with the increase of the clay fraction in the mixture. A response surface and polynomial regression could be used to identify the composition range that satisfies usual conditions in wet ceramics processing.

  Info
Periodical
Materials Science Forum (Volumes 498-499)
Edited by
Lucio Salgado and Francisco Ambrozio Filho
Pages
476-481
DOI
10.4028/www.scientific.net/MSF.498-499.476
Citation
C.M.F. Gomes, A. D. Noni, J.P. Reis, J.A.R. Souza, A.P.N. Oliveira, D. Hotza, "Wet Processing of Triaxial Ceramics Using a Mixture Design Approach", Materials Science Forum, Vols. 498-499, pp. 476-481, 2005
Online since
November 2005
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Price
$32.00
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