Room-temperature solubility behavior of barium titanate in aqueous media

被引：68

作者：

Neubrand, A ^{[1
]}

Lindner, R ^{[1
]}

Hoffmann, P ^{[1
]}

机构：

[1] Darmstadt Univ Technol, Dept Mat Sci, D-64287 Darmstadt, Germany

来源：

JOURNAL OF THE AMERICAN CERAMIC SOCIETY | 2000年 / 83卷 / 04期

关键词：

Incongruent dissolution;

D O I：

10.1111/j.1151-2916.2000.tb01286.x

中图分类号：

TQ174 [陶瓷工业]; TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

In the present study, the incongruent dissolution of barium from barium titanate (BaTiO3) has been studied as a function of dispersion pH and powder volume fraction for two different BaTiO3 powders. In alkaline dispersions, the barium solubility strongly increases as the pH increases, as suggested by thermodynamic considerations. At pH <7, the barium solubility reaches a plateau, the height of which is dependent on the surface area of the powder and the solids loading of the slip. The BaTiO3 surface is completely depleted of barium in this region.

引用

页码：860 / 864

页数：5

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