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J. Korean Ceram. Soc. > Volume 37(4); 2000 > Article
Journal of the Korean Ceramic Society 2000;37(4): 395.
$Pd_{(1-x)}$$Cd_x$[(Mn, Sb), Zr, $Ti]O_3$ 세라믹스의 소결 거동 및 압전 특성에 대한 연구
나은상, 최성철
한양대학교 세라믹공학과
The Study of Sintering Behavior and Piezoelectric Properties in $Pd_{(1-x)}$$Cd_x$[(Mn, Sb), Zr, $Ti]O_3$ Ceramics
In this study, we chose the basic composition which indicated the best electrical properties by change of x content(0, 0.05, 0.1, 0.15, 0.2, 0.25 mol respectively) in xPb(Mn1/3Sb2/3)O3-(1-x)Pb(Zr0.52Ti0.48)O3 ceramics. And we substituted Cd2+ for Pb2+ site, then observed the sintering behavior, microstructure and electrical propertties according to the various sintering temperature. The basic composition was the 0.05PMS-0.95PZt, and it showed single perovskite phase and excellent properties. In case of Cd2+ substitution, we were able to sinter at 90$0^{circ}C$ which was lower than conventional sintering temperature(1200~130$0^{circ}C$). Especially, when the 2mol% substituted PMS-PZT specimens were sintered at 90$0^{circ}C$ for 2h, we obtained the p=7.6g/㎤, kp=56%, Qm=520 and made sure of a position of Cd2+ substitution by observing lattice parameter, phase transition temperature. From this results, we could infer that because Cd2+ substituted fro A-site, low temperature sintering of Cd2+ substituted PMS-PZT without any loss of electrical properties shows its applicability for the piezoelectric ceramic transformer.
Key words: Pb$({Mn_{1/3}}{Sb_{2/3}})$$O_3$-Pb$({Zr_{0.52}}{Ti_{0.48}})$$O_3$, CdO substitution, Low temperature sintering, Piezoelectric ceramic transformer
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