IONIC-CONDUCTIVITY OF NA, K AND AG BETA''-ALUMINA-ZRO2 COMPOSITES

被引:3
作者
PARK, SM [1 ]
HELLSTROM, EE [1 ]
机构
[1] UNIV WISCONSIN,DEPT MAT SCI & ENGN,MADISON,WI 53706
关键词
D O I
10.1007/BF00363436
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
Composite samples of Na beta''-alumina with 15 vol% ZrO2 stabilized with 4.5 wt% Y2O3 were fabricated using two sintering schedules. K and Ag beta''-alumina composites were prepared from the Na beta''-alumina composite by ion exchange. The ionic conductivities of the Na, K, and Ag composites at 300-degrees-C were 1.3 x 10(-1), 59 x 10(-2) and 6.8 x 10(-3) S cm-1, respectively. K1c for the K composite was as high as 3.7 MPa m1/2.
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页码:2425 / 2430
页数:6
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