Terfenol-D/PZT/Terfenol-D层状复合磁电传感器磁电效应

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Abstract L-T(The magnetization direction of Terfenol-D is vertical with the polarization direction of PZT) epoxy bonded Terfenol-D/PZT/Terfenol-D multilayered composite magnetoelectric sensors are prepared. The magnetoelectric coefficient (ME coefficient) α of magnetoelectric sensors is calculated by means of equivalent circuit method. The magnetoelectric coefficient equation shows that ME coefficient α is decided by performance parameters and the volume ratio of Terfenol-D and PZT. The dependences of α on DC bias magnetic field, volume ratio of Terfenol-D and PZT, and frequency of AC driving magnetic field are investigated by experiment and calculation. The results show that DC bias magnetic field, volume ratio of Terfenol-D and PZT and AC magnetic field frequency all have a marked effect on α. Meanwhile the theoretic α is accordant with the experiment α . The difference of theoretic α and experiment α for all our composite magnetoelectric sensors is less than 6%.

Key words： Terfenol-D PZT multilayered composite magnetoelectric sensors equivalent circuit method magnetoelectric coefficient

Received: 24 December 2008 Published: 04 March 2014

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TM153

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	Articles by authors
	Li Shuying
	Wang Bowen
	Zhou Yan
	Weng Ling
	Zhang Na
	Zhao Wenming

Cite this article:

Li Shuying,Wang Bowen,Zhou Yan等. Magneto-Electric Effect of Terfenol-D/PZT/Terfenol-D Laminate Composite Sensors[J]. Transactions of China Electrotechnical Society, 2010, 25(5): 14-20.

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http://dgjsxb.ces-transaction.com/EN/ OR http://dgjsxb.ces-transaction.com/EN/Y2010/V25/I5/14

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