Korean Journal of Materials Research (한국재료학회지)

Materials Research Society of Korea (한국재료학회)
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Energy Efficient Alloy Design in PSN-PMN-PZT Ceramic System for Piezoelectric Transformer Application

고효율 압전 트랜스포머용 PSN-PMN-PZT 조성 설계

  • Choi Yong-Gil (Department of Materials Science and Engineering/Research Center for Sustainable Eco-Devices and Materials(ReSEM), Chungju National University) ;
  • Ur Soon-Chul (Department of Materials Science and Engineering/Research Center for Sustainable Eco-Devices and Materials(ReSEM), Chungju National University) ;
  • Yoon Man-Soon (Department of Materials Science and Engineering/Research Center for Sustainable Eco-Devices and Materials(ReSEM), Chungju National University)
  • 최용길 (충주대학교 신소재공학과/친환경 에너지변환 저장 소재 및 부품개발 연구센터) ;
  • 어순철 (충주대학교 신소재공학과/친환경 에너지변환 저장 소재 및 부품개발 연구센터) ;
  • 윤만순 (충주대학교 신소재공학과/친환경 에너지변환 저장 소재 및 부품개발 연구센터)
  • Published : 2005.12.01
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Abstract

In order to enhance energy efficiency in high electric conversion devices such as Power transformers, which need to have high power properties, an alloy design approach in $Pb(Zr,Ti)O_3(PZT)$ base ceramic system was attempted $0.03Pb(Sb_{0.5}Nb_{0.5})O_3-0.03Pb(Mn_{1/3}Nb_{2/3})O_3-(0.94-x)PbTiO_3-xPbZrO_3$[PSN-PMN- PZT] ceramics were synthesized by conventional bulk ceramic processing technique. To improve power properties, the various Zr/Ti ratio was varied ]lear their morphotropic phase boundary (MPB) composition of PSN-PMN-PZT system and their effects on subsequent piezoelectric and dielectric properties for the transformer application at high power were systematically investigated using an impedance analyzer. Microstructure and phase information were characterized using X-ray diffractometer (XRD), a scanning electron microscope (SEM) and others. When the Zr/Ti ratio was 0.415/0.465, the value of $Q_m\;and\;k_p$ were shown to reach to the maximum, indicating that this alloy design can be a feasible composition :or high power transformer.

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References

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