Journal of the Korean Institute of Electrical and Electronic Material Engineers (한국전기전자재료학회논문지)

The Korean Institute of Electrical and Electronic Material Engineers (한국전기전자재료학회)
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Piezoelectric Properties and Sintering of PCW-PNN-PZT+0.5 wt%MnO2 Ceramics

PCW-PNN-PZT+0.5 wt%MnO2 세라믹스의 소결 및 압전특성

  • 신혜경 (인천대학교 전기공학과) ;
  • 정보람 (인천대학교 전기공학과) ;
  • 주진수 (인천대학교 전기공학과) ;
  • 배선기 (인천대학교 전기공학과)
  • Published : 2008.05.01
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Abstract

In this thesis, piezoelectric properties and sintering properties of PCW-PNN-PZT+0.5 wt%$MnO_2$ ceramics adding $B_2O_3$ after creating the specimens with a general method. The lattice constant from the analysis of crystal structure showed that the crystal structure of ceramic features both rhombohdral and tetragonal structures and that the pychlore structure was decreased with the increase of the sintering temperature. The electromechanical coupling coefficient showed its maximum of 31 % in the sintered specimens at $1050^{\circ}C$, and its minimum of 20 % in the sintered specimens at $1150^{\circ}C$. The mechanical quality coefficient marked the maximum of 139 at the sintering temperature of $1150^{\circ}C$.

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References

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