Magnetoelectric coupling of laminated composites under combined thermal and magnetic loadings

被引：54
作者：
Fang, F. [1 ]
Xu, Y. T. [1 ]
Yang, W. [1 ,2 ]
机构：
[1] Tsinghua Univ, Sch Aerosp, Beijing 100084, Peoples R China
[2] Zhejiang Univ, Univ Off, Hangzhou 310058, Zhejiang, Peoples R China
来源：
JOURNAL OF APPLIED PHYSICS | 2012年 / 111卷 / 02期
基金：
美国国家科学基金会;
关键词：
LAYERED STRUCTURES;
D O I：
10.1063/1.3677945
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
Laminated magnetoelectric (ME) composites are suitable for applications such as magnetic field sensors, transformers, and microwave resonators. Such applications frequently involve environments where the temperature alters. The present work investigates the temperature dependent ME coupling for three kinds of laminates, namely, Terfenol-D/PZT/Terfenol-D, Ni/PZT/Ni, and Metglas/PZT/Metglas. The Terfenol-D/PZT/Terfenol-D is shown to exhibit the best temperature stability. The peak value of the ME coefficient versus temperature curve is predicted for the laminates based on the equivalent circuit model, as well as the measurements of temperature dependent magnetostriction for Terfenol-D, Ni, and Metglas. The predictions agree well with the experimental data, implying that the piezomagnetic coefficient, d(11,m), of the magnetic layer plays an important role in the temperature dependent ME coupling of the laminate. (C) 2012 American Institute of Physics. [doi:10.1063/1.3677945]
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页数：5
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