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LI Weimin, HU Querui, YANG Ying. Properties of BiScO3-xPbTiO3-yPb(Yb1/2Nb1/2)O3 Piezoelectric Ceramics[J]. Materials and Mechanical Engineering, 2017, 41(5): 79-83,88. DOI: 10.11973/jxgccl201705016
Citation: LI Weimin, HU Querui, YANG Ying. Properties of BiScO3-xPbTiO3-yPb(Yb1/2Nb1/2)O3 Piezoelectric Ceramics[J]. Materials and Mechanical Engineering, 2017, 41(5): 79-83,88. DOI: 10.11973/jxgccl201705016
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Properties of BiScO3-xPbTiO3-yPb(Yb1/2Nb1/2)O3 Piezoelectric Ceramics

  • 1. Mechanical and Electronic Dept., Taizhou Polytechnic Institute, Taizhou 225300, China;

  • 2. State Key Laboratory of Mechanics and Control of Mechanical Structures, Nanjing University of Aeronautics and Astronautics, Nanjing 210000, China

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  • Received Date: August 30, 2016
  • Revised Date: April 04, 2017
    Graphical Abstract
    • Abstract
  • BiScO3-xPbTiO3-yPb(Yb1/2Nb1/2)O3 (BS-xPT-yPYN,y=0.10,0.15,0.20, 0.30) piezoelectric ceramics were prepared by the precursor method. The effects of PYN molar fraction y on the microstructure, phase composition, phase structure, ferroelectric and piezoelectric properties of BS-xPT-yPYN ceramics were investigated. The results indicate that when y increased, the grain size of piezoelectric ceramics increased, the transformation from rhombohedral phase to tetragonal phase took place and the piezoelectric properties declined. When the molar fraction of PYN was 0.10, the higher coercive electric field Ec, the more obvious increase residual polarization Pr of piezoelectric ceramics had.
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    • References (11)
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