| 二次烧结对KNN-LS-Bi(Mg0.5Ti0.5)O3无铅压电陶瓷性能的影响 |
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| 引用本文： | 杨华斌,刘心宇,陈婷,李生杰,石登上. 二次烧结对KNN-LS-Bi(Mg0.5Ti0.5)O3无铅压电陶瓷性能的影响[J]. 四川大学学报(工程科学版), 2012, 44(2): 159-163 |
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| 作者姓名： | 杨华斌 刘心宇 陈婷 李生杰 石登上 |
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| 作者单位： | 1. 桂林电子科技大学广西信息材料重点实验室,广西桂林541004／中南大学材料学院,湖南长沙410083
2. 桂林电子科技大学广西信息材料重点实验室,广西桂林,541004 |
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| 基金项目： | 广西自然科学基金重点项目 2010GXNSFD013007 广西自然科学基金 2010GXNSFB013010 广西教育厅重点项目 201012MS083 |
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| 摘 要： | 采用传统固相烧结法和二次烧结工艺制备了xBi(Mg0.5Ti0.5)O3-0.95K0.5Na0.5NbO3-0.05LiSbO3(xBMT-KNN-LS)无铅压电陶瓷,研究了二次烧结工艺对xBMT-KNN-LS陶瓷性能的影响。结果表明:采用传统的陶瓷烧结工艺所得到的性能为压电常数d33=220 pC/N、平面机电耦合系数kp=39.6%、介电损耗tanδ=6.38%。而采用二次陶瓷烧结工艺得到的最佳性能为d33=254 pC/N、kp=37.8%、tanδ=4.81%,因此,二次烧结对该体系的压电性能有显著的影响。
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| 关 键 词： | 压电陶瓷 铁电体 烧结 |
| 收稿时间： | 2011-09-12 |
| 修稿时间： | 2011-11-22 |
Influence of Second Sintering Process on the Performance of KNN-LS-Bi(Mg0.5Ti0.5)O3 Lead-free Piezoceramics |
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| Yang Huabin,Liu Xinyu,Chen Ting,Li Shengjie and Shi Dengshang. Influence of Second Sintering Process on the Performance of KNN-LS-Bi(Mg0.5Ti0.5)O3 Lead-free Piezoceramics[J]. Journal of Sichuan University (Engineering Science Edition), 2012, 44(2): 159-163 |
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| Authors: | Yang Huabin Liu Xinyu Chen Ting Li Shengjie Shi Dengshang |
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| Affiliation: | Guilin University of Electronic Technology,Guilin University of Electronic Technology,,, |
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| Abstract: | The xBi(Mg0.5Ti0.5)O3-0.95K0.5Na0.5NbO3-0.05LiSbO3(xBMT-KNN-LS) lead-free piezoceramics were prepared by traditional solid-state reaction sintering process and second sintering process.The influence of second sintering process on the performance of xBMT-KNN-LS piezoceramics was investigated.The results showed that the best performance of traditional sintering process is d33=220 pC/N,kp = 39.6%,tan δ=6.38%,however,after second sintering the best performance is d33=254 pC/N,kp=37.8%,tan δ=4.81%,thus,second sintering process has significant influence on the piezoelectric properties of xBMT-KNN-LS lead-free piezoceramics. |
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| Keywords: | piezoelectric ceramics ferroelectrics sintering |
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