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J. Korean Ceram. Soc. > Volume 42(7); 2005 > Article
Journal of the Korean Ceramic Society 2005;42(7): 516.
doi: https://doi.org/10.4191/kcers.2005.42.7.516
수열합성법으로 제조된 PZT 분말의 특성
양범석, 이혁희1, 원창환
충남대학교 급속응고신소재연구소
Characteristics of PZT Powders Synthesized by Hydrothermal Process
Beom-Seok Yang, Huk-Hee Lee1, Chang-Whan Won
Engineering Research Center for Rapidly Solidified Materials, Chungnam National University
1Korea Research Institute of Chemical Technology
Conditions for formation of perovskite Pb(Zr$_{0.52}$Ti$_{0.48}$)O$_{3}$ phase by the hydrothermal synthesis are investigated. Pb(Zr$_{0.52}$ Ti$_{0.48}$)O$_{3}$ ceramics were synthesized by hydrothermal process above 180$^{circ}C$ for 2 h reaction using 5$~$30 M KOH solution as a mineralizer. Particle size increases in proportion to the mineralizer concentration. As a result of EOX analysis, PZT powders synthesized using 50 M of KOH as a mineralizer were considered as 2.42 mol$%$ K doped-PZT powders. And 2.42 mol$%$ K doped-PZT has much higher mechanical quality factor than undoped PZT ceramics. The sintering properties showed 7.987 g/cm$^{3}$ of sintered density and 3$~$4 $mu$m of grain size.
Key words: Pb(Zr0.52Ti0.48)O3, Hydrothermal process, Mineralizer
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