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10.3390/ma15020645
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Article

Magneto-Mechanical Enhancement of Elastic Moduli in Magnetoactive Elastomers with Anisotropic Microstructures

by
Sanket Chougale
*,
Dirk Romeis
and
Marina Saphiannikova
Leibniz Intitute of Polymer Research, 01069 Dresden, Germany
*
Author to whom correspondence should be addressed.
Materials 2022, 15(2), 645; https://doi.org/10.3390/ma15020645
Submission received: 20 December 2021 / Revised: 11 January 2022 / Accepted: 12 January 2022 / Published: 15 January 2022
(This article belongs to the Special Issue Structure and Mechanical Properties of Magnetic Materials)
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Abstract

Magnetoactive elastomers (MAEs) have gained significant attention in recent years due to their wide range of engineering applications. This paper investigates the important interplay between the particle microstructure and the sample shape of MAEs. A simple analytical expression is derived based on geometrical arguments to describe the particle distribution inside MAEs. In particular, smeared microstructures are considered instead of a discrete particle distribution. As a consequence of considering structured particle arrangements, the elastic free energy is anisotropic. It is formulated with the help of the rule of mixtures. We show that the enhancement of elastic moduli arises not only from the induced dipole–dipole interactions in the presence of an external magnetic field but also considerably from the change in the particle microstructure.
Keywords: magnetoactive elastomers; anisotropic particle distribution; smeared microstructures; effective elastic properties magnetoactive elastomers; anisotropic particle distribution; smeared microstructures; effective elastic properties

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MDPI and ACS Style

Chougale, S.; Romeis, D.; Saphiannikova, M. Magneto-Mechanical Enhancement of Elastic Moduli in Magnetoactive Elastomers with Anisotropic Microstructures. Materials 2022, 15, 645. https://doi.org/10.3390/ma15020645

AMA Style

Chougale S, Romeis D, Saphiannikova M. Magneto-Mechanical Enhancement of Elastic Moduli in Magnetoactive Elastomers with Anisotropic Microstructures. Materials. 2022; 15(2):645. https://doi.org/10.3390/ma15020645

Chicago/Turabian Style

Chougale, Sanket, Dirk Romeis, and Marina Saphiannikova. 2022. "Magneto-Mechanical Enhancement of Elastic Moduli in Magnetoactive Elastomers with Anisotropic Microstructures" Materials 15, no. 2: 645. https://doi.org/10.3390/ma15020645

APA Style

Chougale, S., Romeis, D., & Saphiannikova, M. (2022). Magneto-Mechanical Enhancement of Elastic Moduli in Magnetoactive Elastomers with Anisotropic Microstructures. Materials, 15(2), 645. https://doi.org/10.3390/ma15020645

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