INFLUENCE OF CEO2 CONTENT ON THE ELECTRICAL-PROPERTIES OF Y2O3-TZP CERAMICS

被引：8

作者：

HERNANDEZ, MT ^{[1
]}

JURADO, JR ^{[1
]}

DURAN, P ^{[1
]}

机构：

[1] CSIC,INST CERAM & VIDRIO,DEPT MAT CERAM ESPECIALES,E-29500 ARGANDA,SPAIN

来源：

SOLID STATE IONICS | 1992年 / 51卷 / 3-4期

关键词：

D O I：

10.1016/0167-2738(92)90193-S

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

Yttria-tetragonal zirconia (Y-TZP) ceramics with 1.7-3.0 mol% Y2O3, alloyed with variable amount of CeO2 (2 to 12 mol% CeO2) have been prepared by hydroxide coprecipitation method. ac impedance complex plane analysis and ionic conductivity domain measurements were performed. Preliminary ageing experiments in water vapour were also carried out. The total conductivity does not suffer any change when CeO2 is incorporated and the grain boundary effect is partially avoided by the incorporation of CeO2 to the tetragonal structure. The ageing effect is also improved when that oxide is incorporated at concentrations higher than 4 mol%.

引用

页码：147 / 156

页数：10

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