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Equivalent circuit method for resonant analysis of multilayer piezoelectric-magnetostrictive composite cantilever structures

机译：多层压电-磁致伸缩复合悬臂结构共振分析的等效电路方法

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摘要

In this paper, we discuss a theoretical model by the equivalent circuit method for magnetoelectric (ME) response at resonant frequencies corresponding to bending mode oscillations. A dynamic theoretical model of arbitrary multilayer cantilever with alternating piezoelectric (PE) and magnetostrictive (MS) layers on a substrate (Sub) was conducted. The equivalent circuit of the bending mode vibration has obtained by solving the piezoelectric, magnetostrictive and substrate constitutive equations under boundary conditions. The dependence of resonant frequencies and resonant ME coefficients on the material properties and structural dimensions is investigated. The ME coefficients were normalized by the total thickness of MS and PE layers and quality factor. As a demonstration, our theory for multilayer composite cantilever was then applied to specifically Metglas-AlN-Si systems. Our results demonstrate that the structural dimensions strongly influenced the neutral plane in the composite cantilever and then in turns strongly influenced the ME response. In addition, characteristics of multilayer ME cantilever in static (low frequency) station will be analyzed. The theory shows good agreement with experimental data. Our discussion may be helpful to the designing and fabrication of the giant ME cantilever with more realistic and optimal geometry. (C) 2015 Elsevier Ltd. All rights reserved.
机译：在本文中，我们讨论了在等效于弯曲模式振荡的共振频率下，磁电响应的等效电路理论模型。建立了在基板（Sub）上具有交替的压电（PE）和磁致伸缩（MS）层的任意多层悬臂的动力学理论模型。弯曲模式振动的等效电路是通过在边界条件下求解压电，磁致伸缩和基底本构方程而获得的。研究了共振频率和共振ME系数对材料性能和结构尺寸的依赖性。 ME系数通过MS和PE层的总厚度和品质因数进行归一化。作为演示，我们的多层复合悬臂梁理论随后被应用于专门的Metglas-AlN-Si系统。我们的结果表明，结构尺寸强烈影响复合悬臂的中性面，然后又强烈影响ME响应。另外，将分析静态（低频）站中多层ME悬臂的特性。该理论与实验数据吻合良好。我们的讨论可能有助于设计和制造具有更现实和最佳几何形状的巨型ME悬臂。 （C）2015 Elsevier Ltd.保留所有权利。

著录项

  • 来源
    《Composite Structures》 |2015年第7期|467-476|共10页
  • 作者

    Yu Guo-Liang; Zhang Huai-Wu; Li Yuan-Xun; Li Jie;

  • 作者单位

    Univ Elect Sci & Technol China, Sch Microelect & Solid Elect, State Key Lab Elect Thin Films & Integrated Devic, Chengdu 610054, Peoples R China;

    Univ Elect Sci & Technol China, Sch Microelect & Solid Elect, State Key Lab Elect Thin Films & Integrated Devic, Chengdu 610054, Peoples R China;

    Univ Elect Sci & Technol China, Sch Microelect & Solid Elect, State Key Lab Elect Thin Films & Integrated Devic, Chengdu 610054, Peoples R China;

    Univ Elect Sci & Technol China, Sch Microelect & Solid Elect, State Key Lab Elect Thin Films & Integrated Devic, Chengdu 610054, Peoples R China;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    Magnetoelectric effect; Multilayer composite; Equivalent circuit method;

    机译：磁电效应多层复合材料等效电路法;

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