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Preparation and Piezoelectrical Properties of PMN-PZT Ceramics Prepared by High-Energy Ball Milling (고에너지볼밀법을 이용한 PMN-PZT 세라믹스의 제조와 압전특성)

  • Myoung, Seong-Jae;Koo, Bon-Keup
    • Journal of the Korean Ceramic Society
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    • v.42 no.10 s.281
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    • pp.685-690
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    • 2005
  • Pb(Zr,Ti)$O_{3}$Pb($Mn_{1/3}$$Nb_{2/3}$)$O_{3}$ powder was successfully synthesised by high-energy milling method, and the behavior of low­temperature sintering and piezoelectrical properties of Pb(Zr,Ti)$O_{3}$-Pb($Mn_{1/3}$$Nb_{2/3}$)$O_{3}$ ceramics were investigated as a function of mechanical alloying time. In order to confirm whether the Perovskite phase in this composition was formed by mechanical activation technique or not, we performed X-Ray Diffraction pattern analysis (XRD). The microstructure for the sintered samples were characterized using a Scanning Electronic Microscope (SEM). And the piezoelectrical properties ($k_{p}$ and $Q_{m}$) of the sintered samples was measured using HP 4194A impedance analyzer.