Analysis of magneto rheological elastomers for energy harvesting systems

Gildas Diguet, Gael Sebald, Masami Nakano, Mickaël Lallart, Jean Yves Cavaillé

Research output: Contribution to journalArticlepeer-review

Abstract

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.

Original languageEnglish
Pages (from-to)439-446
Number of pages8
JournalInternational Journal of Applied Electromagnetics and Mechanics
Volume64
Issue number1-4
DOIs
Publication statusPublished - 2020

Keywords

  • Energy conversion magnetic composite
  • shear strain

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics
  • Mechanics of Materials
  • Mechanical Engineering
  • Electrical and Electronic Engineering

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