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J. Korean Ceram. Soc. > Volume 31(6); 1994 > Article
Journal of the Korean Ceramic Society 1994;31(6): 651.
$BaTiO_3$ 세라믹스와 Oxide Setter의 반응성에 관한 연구
박정현, 최현정, 조경식, 염강섭, 조철구1
연세대학교 세라믹공학과
1유동기업(주)
Study on the Reaction between $BaTiO_3$ Ceramics and Oxide Setters
ABSTRACT
BaTiO3 ceramics were sintered on Al2O3, MgAl2O4, MgO and Mg-, Ca-, Y-stabilized zirconia setters. Then the influence of setters on the microstructure of BaTiO3 ceramics and the stability of setters were investigated by SEM, EDAX and XRD analyses. The microstructure of BaTiO3 ceramics sintered on Al2O3, MgAl2O4, MgO and Mg-PSZ showed large grain growth, but little grain growth on Ce-TZP(Tetragonal Zirconia Policrystal). Mg-PSZ(Partially Stabilized Zirconia), Ca-PSZ, Ce-TZP setters showed extensive phase transformation. Y-TZP and fused Y-SZ (Stabilized Zirconia) setters were stable. The liquid sintering aids of BaTiO3 ceramics accelerate mass transport. The reaction of SrTiO3 in BaTiO3 with ZrO2 resulted in the formation of SrZrO3.
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