On the Factors Influencing the Liquidity of Slip Casting Al2O3 Slurry

Zhen Hua Geng; Kai Li; Ping Wu; Hai Jian Li

doi:10.4028/www.scientific.net/KEM.680.115

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HomeKey Engineering MaterialsKey Engineering Materials Vol. 680On the Factors Influencing the Liquidity of Slip...

On the Factors Influencing the Liquidity of Slip Casting Al₂O₃ Slurry

Abstract:

Abstract: This paper use zeta potential test and dynamic viscosity test to research the influence of different factors such as pH value, mass fraction of solid phase and dispersant content on the liquidity of Al2O3 slurry. The test results show that, when the solid-phase mass fraction and particle size are given, the absolute value of zeta potential increases with the rise of pH value, raise at first then descrease with the adding of (NaPO3)6. This article analyzes the phenomena from a legal point of electric double layer effect. The results of liquidity test are consistent with zeta potential test. The optimum value of pH value, mass fraction of solid-phase and dispersant content are determined by formulation design. The study develop a Al2O3 slurry with high fluidity which has an important significant in slip casting process of Al2O3 ceramics.

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Periodical:

Key Engineering Materials (Volume 680)

Pages:

115-119

DOI:

https://doi.org/10.4028/www.scientific.net/KEM.680.115

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Online since:

February 2016

Authors:

Zhen Hua Geng, Kai Li, Ping Wu*, Hai Jian Li

Keywords:

Dispersant, Dynamic Viscosity, pH Value, Solid Phase Mass Fraction, Zeta Potential

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