| 铁磁合金/压电材料复合磁电效应研究 |
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| 引用本文： | 高秋岭,李平.铁磁合金/压电材料复合磁电效应研究[J].传感器与微系统,2010,29(1). |
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| 作者姓名： | 高秋岭 李平 |
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| 作者单位： | 重庆大学光电工程学院国家教育部光电技术及系统重点实验室,重庆,400044 |
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| 基金项目： | 国家“863”计划资助项目(2006AA04Z337,2007AA12A132);;国家自然科学基金资助项目(50830202,NSAF10776039,5067702) |
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| 摘 要： | 利用高机械品质因数的FeNi基弹性合金,构造了不等长的FeNi基弹性合金/压电叠层磁电复合材料。采用等效电路法分析了复合结构的磁电电压系数、谐振频率、机械品质因数和最大输出功率与磁致伸缩—压电层长度比之间的关系。结果表明:磁电电压系数、机械品质因数及最大输出功率随着FeNi基弹性合金长度的增加而增大并趋于常数,谐振频率随着FeNi基弹性合金长度的增加而减小。
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| 关 键 词： | 磁电效应 磁致伸缩材料 磁电响应 |
Study on magnetoelectric effect of ferromagnetic alloy/piezoelectric composite material |
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| GAO Qiu-ling,LI Ping.Study on magnetoelectric effect of ferromagnetic alloy/piezoelectric composite material[J].Transducer and Microsystem Technology,2010,29(1). |
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| Authors: | GAO Qiu-ling LI Ping |
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| Affiliation: | The Key laboratory of Optoelectric Technology & Systems;Ministry of Education;College of Opto-Electronic Engineering;Chongqing University;Chongqing 400044;China |
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| Abstract: | A FeNi-based spring alloy/piezoelectric magneto-electrical composite material has been developed by the high mechanical quality factor of the FeNi-based spring alloy.Based on the equivalent circuit method,the relation between magneto-electric voltage coefficient,resonance frequency,mechanical quality factor,the maximal output power and the length ratio of magneto-strictive to piezoelectric layer is analyzed.Theoretical analysis and the experimental results indicate with increasing the length of FeNi-based s... |
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| Keywords: | magneto-electric effect magneto-strictive material magneto-electric response |
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