PREPARATION AND PROPERTIES OF UNIFORM FINE PEROVSKITE POWDERS BY HYDROTHERMAL SYNTHESIS

被引:58
作者
FUKAI, K
HIDAKA, K
AOKI, M
ABE, K
机构
[1] Sakai Chemical Ind. Co. Ltd, Sakai, Osaka
关键词
D O I
10.1016/0272-8842(90)90041-D
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
Fine powders of BaTiO3 and BaTi0·8Zr0·2O3 were prepared by hydrothermal synthesis from the hydroxides of barium, titanium and zirconium. The shape of the products was spherical (diameter = 0·1 μm)and the particle size distribution was very narrow. The ceramics made from these materials indicate superior sintering and dielectric properties. The green bodies were sintered at 1200°C (100-150°C lower than the powders made by the calcination method and oxalate method). BaTiO3 sintered body indicated a high K value of 4300 at 20°C, a good biassing property and a low dissipation factor. © 1990.
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页码:285 / 290
页数:6
相关论文
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