Nonlinear modeling of bending-mode magnetoelectric coupling in asymmetric composite structures with magnetization-graded ferromagnetic materials

被引:8
|
作者
Lu, Caijiang [1 ,2 ]
Zhou, Hai [1 ,2 ]
Yu, Feihu [1 ,2 ]
Yang, Aichao [3 ]
Cao, Zhongqing [1 ,2 ]
Gao, Hongli [1 ,2 ]
机构
[1] Southwest Jiaotong Univ, Sch Mech Engn, Dept Electromech Measuring & Controlling, Chengdu 610031, Peoples R China
[2] Southwest Jiaotong Univ, Technol & Equipment Rail Transit Operat & Mainte, Chengdu 610031, Peoples R China
[3] Jiangxi Elect Power Res Inst, Nanchang 330096, Jiangxi, Peoples R China
基金
中国国家自然科学基金;
关键词
Laminated composites - Magnetization - Ferromagnetic materials - Structure (composition) - Equations of motion - Equivalent circuits - Magnetostrictive devices - Binary alloys;
D O I
10.1063/1.5132972
中图分类号
TB3 [工程材料学];
学科分类号
0805 ; 080502 ;
摘要
The bending-mode magnetoelectric (ME) coupling in the asymmetric laminate composite with a magnetization-graded ferromagnetic material has been investigated in this paper. Based on the nonlinear constitutive relationships of the magnetostrictive material, the dynamic piezomagnetic models have been presented for magnetostrictive materials after considering the remanence, demagnetization, and flux concentration effects. In addition, the bending-mode resonant ME coupling model is developed based on the proposed dynamic piezomagnetic model, the motion equation of the ME composite, and the ME equivalent circuit method. The composite structures FeCuNbSiB/Ni/PZT with negative magnetostrictive Ni and FeCuNbSiB/FeNi/PZT with positive magnetostrictive FeNi have been used to confirm the validity and reliability of the theoretical model. The theoretical results show that the bending-resonant ME coefficients reasonably agree with the experimental results. This theoretical model is of importance for understanding the bending-mode ME response of the asymmetric structure with magnetization-graded ferromagnetic materials and designing the ME devices.
引用
收藏
页数:9
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