| 钡钙锶共掺杂钛酸铋钠无铅压电陶瓷的制备及性能 |
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| 引用本文： | 孙玉芳,李坤,方必军,陈智慧.钡钙锶共掺杂钛酸铋钠无铅压电陶瓷的制备及性能[J].江苏石油化工学院学报,2010(1):5-8. |
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| 作者姓名： | 孙玉芳 李坤 方必军 陈智慧 |
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| 作者单位： | 江苏工业学院材料科学与工程学院,江苏常州213164 |
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| 摘 要： | 采用溶胶-凝胶法制备工艺制备了（1-x）（Na0.5Bi0.5）TiO3-xBa0.092Ca0.03Sr0.05TiO3（x=0.04、0.06、0.07、0.08）系无铅压电陶瓷。研究了陶瓷的铁电、压电性能和显微结构。结果表明,该体系陶瓷在x=0.06时,其压电常数d33,机电耦合系数kp,厚度耦合系数kt,相对介电常数rε,介质损耗tgδ,分别为152,0.24,0.47,1 250,0.04。
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| 关 键 词： | 钛酸钠铋 无铅压电陶瓷 压电性 铁电性 |
Preparation and Properties of Ba Ca Sr Co-doped Bismuth Sodium Titanate Ceramics |
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| SUN Yu-fang,Li Kun,FANG Bi-jun,CHEN Zhi-hui.Preparation and Properties of Ba Ca Sr Co-doped Bismuth Sodium Titanate Ceramics[J].Journal of Jiangsu Institute of Petrochemical Technology,2010(1):5-8. |
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| Authors: | SUN Yu-fang Li Kun FANG Bi-jun CHEN Zhi-hui |
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| Affiliation: | (School of Materials Science and Engineering,Jangsu Polytechinc University,Changzhou 213164,China) |
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| Abstract: | （1-x）（Na0.5Bi0.5）TiO3-xBa0.092Ca0.03Sr0.05TiO3（x=0.04、0.06、0.07、0.08） ceramics have been fabricated via a sol-gel method.The ferroelectric,piezoelectric properties and microstructure of the ceramics have been investigated.The results show that the piezoelectric constant d33,planar electromechanical coefficient kp,thickness electromechanical coefficient kt,dielectric permittivity εr,dielectric loss are 152,0.24,0.474,1 250 and 0.04,respectively. |
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| Keywords: | （Na0 5Bi0 5）TiO3 lead-free piezoelectric ceramics piezoelectricity ferroelectricity |
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