压电/压磁层合板拉伸振动的实验研究

2015 Symposium on Piezoelectricity, Acoustic Waves, and Device Applications (SPAWDA) Pub Date : 2015-12-28 DOI:10.1109/SPAWDA.2015.7364529

Ben-jie Ding, Jianke Du, J. Lou, Ji Wang, T. Ma, Bin Huang, Lijun Yi

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引用次数: 1

摘要

提出了一种利用Terfenol-D/PZT/Terfenol-D复合磁电(ME)换能器和电路进行电磁能量采集的方案。在实验中，压电层上的电极通过电路连接，电路的阻抗用Z表示，Z表示负载阻抗。分析并观察了ME系数的负荷依赖性和功率密度的基本特性。负载阻抗Z为2000Ω时，在3.72×105 rad/s处出现了24.5 mv/Oe的巨大锐ME系数α ea。

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Experimental study on extensional vibration of a piezoelectric/piezomagnetic laminated plate

In this paper, the electromagnetic energy harvesting scheme by using a Terfenol-D/PZT/Terfenol-D composite magnetoelectric (ME) transducer and a circuit is presented. In the experiments, the electrodes on the piezoelectric layer are connected by a circuit whose impedance is denoted by Z, which is the load impedance. we have analyzed and observed the load dependence of the ME coefficient and the basic behaviors of the power density. A giant sharp ME coefficient αE a of 24.5 mv/Oe appears at 3.72×105 rad/s under the load impedance Z of 2000Ω.

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2015 Symposium on Piezoelectricity, Acoustic Waves, and Device Applications (SPAWDA)

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