ELECTRICAL-CONDUCTIVITY OF ZIRCONIA STABILIZED WITH SCANDIA AND YTTRIA

被引：42

作者：

KANEKO, H ^{[1
]}

JIN, FX ^{[1
]}

TAIMATSU, H ^{[1
]}

KUSAKABE, H ^{[1
]}

机构：

[1] TOSOH CO,TSUKUBA RES LAB,TSUKUBA 305,JAPAN

来源：

JOURNAL OF THE AMERICAN CERAMIC SOCIETY | 1993年 / 76卷 / 03期

关键词：

D O I：

10.1111/j.1151-2916.1993.tb03682.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：

Electrical conductivity of zirconia stabilized with scandia and yttria (Sc2O3 + Y2O3 = 8 mol%) has been measured by the complex impedance method in the temperature range 573 to 1173 K. With increasing Sc2O3 concentration, electrical conductivity increases at temperatures above 640 K, but it decreases below this temperature. Electrical conductivity in the electrolytes examined is a result of two processes: an activation energy of 59 to 79 kj.mol-1 predominant at high temperatures and an activation energy of 109 to 125 kJ.mol-1 predominant at low temperatures.

引用

页码：793 / 795

页数：3

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