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Article Dans Une Revue International Journal of Applied Electromagnetics and Mechanics Année : 2020

Analysis of magneto rheological elastomers for energy harvesting systems

Résumé

Magneto Rheological Elastomers (MREs) are composite materials based on an elastomer filled by magnetic particles. Anisotropic MRE can be easily manufactured by curing the material under homogeneous magnetic field which creates column of particles. The magnetic and elastic properties are actually coupled making these MREs suitable for energy conversion. From these remarkable properties, an energy harvesting device is considered through the application of a DC bias magnetic induction on two MREs as a metal piece is applying an AC shear strain on them. Such strain therefore changes the permeabilities of the elastomers, hence generating an AC magnetic induction which can be converted into AC electrical signal with the help of a coil. The device is simulated with a Finite Element Method software to examine the effect of the MRE parameters, the DC bias magnetic induction and applied shear strain (amplitude and frequency) on the resulting electrical signal.
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Dates et versions

hal-03217006 , version 1 (04-05-2021)

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Gildas Diguet, Gael Sebald, Masami Nakano, Mickaël Null Lallart, Jean-Yves Cavaillé. Analysis of magneto rheological elastomers for energy harvesting systems. International Journal of Applied Electromagnetics and Mechanics, 2020, 64 (1-4), pp.439-446. ⟨10.3233/JAE-209350⟩. ⟨hal-03217006⟩
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