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首页> 外文会议>International Conference on Manufacturing Engineering and Intelligent Materials >Effect of Y_2O_3Doping on the Structure and Piezoelectric Properties of BCZT Ceramics
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Effect of Y_2O_3Doping on the Structure and Piezoelectric Properties of BCZT Ceramics

机译：Y_2O_3掺杂对BCZT陶瓷结构和压电性能的影响

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摘要

The [50(Ba_(0.7)Ca_(0.3))TiO_3]-50[Ba(Zr_(0.2)Ti_(0.8))O_3] + xmol% Y_2O_3 lead-free ceramics(x=0,0.2,0.4,0.6,0.8 and 1.0) were fabricated successfully by the traditional solid-state reaction. And the microstructures, phase structure, ferroelectric and piezoelectric properties were investigated for the Y203-modified [50(Ba_(0.7)Ca_(0.3))TiO_3]-50[Ba(Zr_(0.2)Ti_(0.8))O_3] lead-free piezoelectric ceramics. The appropriate dopant could reduce the pores in the specimens and enhance the ferroelectric properties. The optimal piezoelectric properties d_(33)~* of the lead free ceramic is 494pm/V. And the 50BCT-50BZT ceramics with 0.4mol% Y_2O_3 possess the optimal ferroelectric properties, Pr=6.3 8μC/cm~2.
机译：[50（ba_（0.7）ca_（0.3））tio_3] -50 [ba（zr_（0.2）ti_（0.8））O_3] + xmol％y_2o_3无铅陶瓷（x = 0,0.2,0.4,0.6， 通过传统的固态反应成功制造0.8和1.0）。 研究了Y203改性[50（Ba_（0.7）Ca_（0.3））TiO_3] -50 [Ba（Zr_（0.2）Ti_（0.8））O_3]的微观结构，相结构，铁电性能。引入 免费压电陶瓷。 合适的掺杂剂可以减少试样中的孔并增强铁电性能。 无铅陶瓷的最佳压电特性D_（33）〜*为494pm / v。 和0.4mol％Y_2O_3的50bct-50bzt陶瓷具有最佳的铁电性能，pr = 6.38μc/ cm〜2。

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