Alumina Effect on the Phase Transformation of 3Y-TZP Ceramics

被引：0
|
作者：
Elshazly, Ezzat S. [1 ]
Ali, M. El-Sayed [1 ]
El-Hout, S. M. [1 ]
机构：
[1] Atom Energy Author, Nucl Res Ctr, Dept Met, Cairo, Egypt
来源：
JOURNAL OF MATERIALS SCIENCE & TECHNOLOGY | 2008年 / 24卷 / 06期
关键词：
Phase transformation; 3Y-TZP; Al(2)O(3); Kinetics;
D O I：
暂无
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The isothermal tetragonal-to-monoclinic phase transformation of 3 mol fraction Y(2)O(3)-ZrO(2) ceramics containing different amounts of Al(2)O(3) during ageing in water at 130 degrees C for periods of time up to 40 h was investigated to explore the effect of Al(2)O(3) addition on this transformation. The propagation of the transformation into the specimen interiors was suppressed by the addition of Al(2)O(3). The transformation kinetics showed a nucleation and growth mechanism on the specimen surface to be dominant in the low temperature ageing in water environment.
引用
收藏
页码：873 / 877
页数：5
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