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J. Korean Ceram. Soc. > Volume 29(12); 1992 > Article
Journal of the Korean Ceramic Society 1992;29(12): 919.
초음파 혼합 연속공정에 의한 단분산 지르코니아 분체의 합성
이전, 주동수
인하대학교 무기재료공학과
Continuous Processing of Monodispersed Zirconia Powders
Continuous synthesis process for monodispersed zirconia powders with ultrasonic wave mixing was developed. Reactant solutions were flowed through a T-tube with small diameter and then mixed in a microscale with ultrasonification. Reaction and aging were followed during the mixed solution of reactants is in plug flowing through a narrow long teflon tubing. Zr(n-OC4H9)4 in ethanol and H2O in ethanol were used as reactants. From this process monodispersed, spherical, non-agglomerated, singlet hydrated zirconia powders with 0.6 $mutextrm{m}$ average size were obtained. Geometrical standard deviation of the particle size distribution was less than 1.2 with ultrasonic mixing, and the geometrical standard deviation was not affected by the flow rate of the reactants.
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