Aqueous degradation and chemical passivation of yttria-tetragonally-stabilized zirconia at 25°C

被引：21

作者：

Kimel, RA ^{[1
]}

Adair, JH ^{[1
]}

机构：

[1] Penn State Univ, Inst Mat Res, University Pk, PA 16802 USA

来源：

JOURNAL OF THE AMERICAN CERAMIC SOCIETY | 2002年 / 85卷 / 06期

关键词：

D O I：

10.1111/j.1151-2916.2002.tb00288.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：

The objective of this study was to establish the mechanism(s) controlling degradation of yttria-tetragonally-stabilized zirconia (Y-TZP) powder in aqueous suspensions and determine the significance of this degradation to the aqueous physical chemistry of Y-TZP. Experiments were performed on commercially available Y-TZP powder placed in aqueous suspensions at 25degreesC. Experimental investigations included analysis of the aqueous chemistry of Y-TZP in water via ICP-MS, determination of the surface and bulk structure of the powder via XRD and solid-state NMR, and observation of changes in surface charges via zeta potential determinations. The goal of this study was to control the surface chemistry of Y-TZP in aqueous suspension to promote dispersion and permit aqueous processing of Y-TZP powders.

引用

页码：1403 / 1408

页数：6