BiScO3-xPbTiO3-yPb(Yb1/2Nb1/2)O3压电陶瓷的性能
Properties of BiScO3-xPbTiO3-yPb(Yb1/2Nb1/2)O3 Piezoelectric Ceramics
摘 要
用前驱体法制备出了BiScO3-xPbTiO3-yPb（Yb1/2Nb1/2）O3（BS-xPT-yPYN，y=0.10，0.15，0.20，0.30）压电陶瓷，研究了PYN物质的量分数y对陶瓷微观形貌、物相组成、相结构、铁电性能以及压电性能的影响。结果表明：随着y的增大，BS-xPT-yPYN压电陶瓷的晶粒尺寸逐渐增大，体系发生菱方相向四方相的转变，压电性能逐渐下降；当y=0.10时，压电陶瓷的矫顽电场强度Ec越高，其剩余极化强度Pr的增长越明显。
压电性能
铁电性能
BS-PT-PYN piezoelectric ceramic
piezoelectric property
ferroelectric property
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.
中图分类号 TM282 DOI 10.11973/jxgccl201705016
所属栏目 材料性能及应用
基金项目 2015年度江苏省高等职业院校教师国内高级访问学者计划项目（2015FX077）
收稿日期 2016/8/31
修改稿日期 2017/4/5
网络出版日期
作者单位点击查看
备注李卫民(1974-),男,江苏泰州人,副教授,硕士.
引用该论文: LI Weimin,HU Querui,YANG Ying. Properties of BiScO3-xPbTiO3-yPb(Yb1/2Nb1/2)O3 Piezoelectric Ceramics[J]. Materials for mechancial engineering, 2017, 41(5): 79～83
李卫民,胡悫睿,杨颖. BiScO3-xPbTiO3-yPb(Yb1/2Nb1/2)O3压电陶瓷的性能[J]. 机械工程材料, 2017, 41(5): 79～83
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【3】尹奇异,袁硕果,陈才,等. 0.95K0.47Na0.47Li0.06NbO3-0.05BaxSr1-xTiO3无铅压电陶瓷的微观结构与性能[J]. 机械工程材料,2009,33(10):43-45.
【4】SETTER N, CROSS L E. The contribution of structural disorder to diffuse phase transitions in ferroelectrics[J]. Journal of Materials Science, 1980, 15(10):2478-2482.
【5】YAO Z, LIU H, HAO H, et al. Structure, electrical properties, and depoling mechanism of BiScO3-PbTiO3-Pb(Zn1/3Nb2/3)O3 high-temperature piezoelectric ceramics[J]. Journal of Applied Physics, 2011, 109(1):14-15.
【6】YOON K H, LEE Y S, HONG R L. Effect of Pb(Yb1/2Nb1/2)O3 on structural and piezoelectric properties of Pb(Zr0.52Ti0.48)O3 ceramics[J]. Journal of Applied Physics, 2000, 88(6):3596-3600.
【7】竺保成,李玉平,高朋召,等. 烧结方法对锆钛酸铅压电陶瓷显微结构和电性能的影响[J]. 机械工程材料,2011,35(11):36-39.
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【10】DURAN C, TROLIER-MCKINSTRY S, MESSING G L. Processing and electrical properties of 0.5Pb(Yb1/2Nb1/2)O3-0.5PbTiO3 ceramics[J].Journal of Electroceramics, 2003, 10:47-55.
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