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Sebald G, Nakano M, Lallart M, et al. Energy conversion in magneto-rheological elastomers. Sci Technol Adv Mater. 2017;18(1):766-778doi: 10.1080/14686996.2017.1377590.
Sebald, G., Nakano, M., Lallart, M., Tian, T., Diguet, G., & Cavaille, J. Y. (2017). Energy conversion in magneto-rheological elastomers. Science and technology of advanced materials, 18(1), 766-778. https://doi.org/10.1080/14686996.2017.1377590
Sebald, Gael, et al. "Energy conversion in magneto-rheological elastomers." Science and technology of advanced materials vol. 18,1 (2017): 766-778. doi: https://doi.org/10.1080/14686996.2017.1377590
Sebald G, Nakano M, Lallart M, Tian T, Diguet G, Cavaille JY. Energy conversion in magneto-rheological elastomers. Sci Technol Adv Mater. 2017 Oct 13;18(1):766-778. doi: 10.1080/14686996.2017.1377590. eCollection 2017. PMID: 29152013; PMCID: PMC5678431.
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Sci Technol Adv Mater. 2017 Oct 13;18(1):766-778. doi: 10.1080/14686996.2017.1377590. eCollection 2017.

Energy conversion in magneto-rheological elastomers.

Science and technology of advanced materials

Gael Sebald, Masami Nakano, Mickaël Lallart, Tongfei Tian, Gildas Diguet, Jean-Yves Cavaille

Affiliations

  1. ELyTMaX UMI 3757, CNRS, Université de Lyon, Tohoku University, International Joint Unit, Tohoku University, Sendai, Japan.
  2. Intelligent Fluid Control Systems Laboratory, Institute of Fluid Science, Tohoku University, Sendai, Japan.
  3. LGEF EA682, Université de Lyon, INSA-LyonVilleurbanne, France.

PMID: 29152013 PMCID: PMC5678431 DOI: 10.1080/14686996.2017.1377590

Abstract

Magneto-rheological (MR) elastomers contain micro-/nano-sized ferromagnetic particles dispersed in a soft elastomer matrix, and their rheological properties (storage and loss moduli) exhibit a significant dependence on the application of a magnetic field (namely MR effect). Conversely, it is reported in this work that this multiphysics coupling is associated with an inverse effect (i.e. the dependence of the magnetic properties on mechanical strain), denoted as the pseudo-Villari effect. MR elastomers based on soft and hard silicone rubber matrices and carbonyl iron particles were fabricated and characterized. The pseudo-Villari effect was experimentally quantified: a shear strain of 50 % induces magnetic induction field variations up to 10 mT on anisotropic MR elastomer samples, when placed in a 0.2 T applied field, which might theoretically lead to potential energy conversion density in the mJ cm

Keywords: 10 Engineering and Structural materials; 206 Energy conversion / transport / storage / recovery; 208 Sensors and actuators; Magneto-rheology; composite; energy harvesting; magneto-elastic

References

  1. Phys Rev E Stat Nonlin Soft Matter Phys. 2006 Nov;74(5 Pt 1):051507 - PubMed

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