STUDIES OF BICUVOX.10 BY CONDUCTIVITY MEASUREMENTS AND DIFFERENTIAL THERMAL-ANALYSIS

被引:27
作者
REISELHUBER, K
DORNER, G
BREITER, MW
机构
[1] Institut für Technische Elektrochemie, TU Wien, A-1060 Wien
关键词
OXYGEN ION CONDUCTOR; CONDUCTIVITY; PHASE CHANGES; TERNARY OXIDE;
D O I
10.1016/0013-4686(93)87016-7
中图分类号
O646 [电化学、电解、磁化学];
学科分类号
081704 ;
摘要
Powders of BICUVOX.10 with different grain size distribution were prepared and characterized by measurements of their X-ray diffraction spectra, TGA and DTA curves. The density of sintered pellets was determined and the specific conductivity was obtained as a function of temperature by a four-probe technique. A different conductivity behavior of pellets with large grains and with small grains is observed during the heating cycle. It is related to a reordering process occurring between 450 and 500-degrees-C.
引用
收藏
页码:969 / 973
页数:5
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