Journal of the Korean Ceramic Society (한국세라믹학회지)

The Korean Ceramic Society (한국세라믹학회)
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Measured Polarization Hysteresis and Predicted Reference Remnant Polarization and Strains of Ferroelectric Ceramics at Various Electric Field Loading Rates and Temperatures

다양한 전계인가율과 온도에서 강유전 세라믹의 이력선도 계측과 기준 잔류 분극 및 변형률 거동 예측

  • Ji, Dae Won (Department of Mechanical and Information Engineering, University of Seoul) ;
  • Kim, Sang-Joo (Department of Mechanical and Information Engineering, University of Seoul)
  • 지대원 (서울시립대학교 기계정보공학과) ;
  • 김상주 (서울시립대학교 기계정보공학과)
  • Received : 2014.08.03
  • Accepted : 2014.10.27
  • Published : 2014.11.30
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Abstract

A poled lead zirconate titanate (PZT) rectangular parallelepiped specimen was subjected to through-thickness electric fields at five loading rates and four temperatures. The rates of the electric field were 0.01, 0.10, 0.25, 0.50, and $1.00MVm^{-1}s^{-1}$; the temperatures were 20, 50, 80, and $110^{\circ}C$. From the measured polarization hysteresis responses, the so-called reference remnant polarization and strains were calculated. Using the calculated reference remnant polarization hysteresis loops, the effects of loading rates and temperature were discussed; using the calculated reference remnant strains, strain butterfly loops were calculated and compared with observations.

Keywords

References

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