| 压电性材料在电场中形变的观察与研究 |
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| 引用本文： | 黄达,周惠君,于瑶,江洪建. 压电性材料在电场中形变的观察与研究[J]. 物理实验, 2006, 26(9): 43-47 |
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| 作者姓名： | 黄达 周惠君 于瑶 江洪建 |
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| 作者单位： | 南京大学,物理系,江苏,南京,210093 |
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| 摘 要： | 用改进后的迈克耳孙干涉仪测量在低频低压及直流恒压下具有压电性的物质(铌酸锂材料,即蜂鸣器)上各点的形变量随电压的变化关系,由此得到每伏特电压形变在样品上的分布.
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| 关 键 词： | 迈克耳孙干涉仪 压电性 蜂鸣器 形变 |
| 文章编号： | 1005-4642（2006）09-0043-05 |
| 收稿时间： | 2006-03-21 |
| 修稿时间： | 2006-06-18 |
Observation and discussion on electrostriction of piezoelectric material |
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| HUANG Da,ZHOU Hui-jun,YU Yao,JIANG Hong-jian. Observation and discussion on electrostriction of piezoelectric material[J]. Physics Experimentation, 2006, 26(9): 43-47 |
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| Authors: | HUANG Da ZHOU Hui-jun YU Yao JIANG Hong-jian |
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| Affiliation: | Physics Department, Nanjing University, Nanjing 210093, China |
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| Abstract: | This experiment measures the relationship of voltage and deformation of different points on a certain piezoelectric material(for example LiNbO_3 or buzzer) under low-voltage direct or low-frequency alternating current with improved Michelson interferometer.The experiment gets the distribution of deformation per voltage on the sample. |
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| Keywords: | Michelson interferometer piezoelectricity buzzer strain |
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