Coupled multi-physics field simulation research of magneto-rheological elastomeric magneto-shear mechanical properties based on COMSOL

Ruobing Li; Shangang Ma; Fubao Jin; Shuaihu Yin; Chenhui Nian; Ning Xin; Quanchang Yu

doi:10.1117/12.2668757

14 February 2023 Coupled multi-physics field simulation research of magneto-rheological elastomeric magneto-shear mechanical properties based on COMSOL

Ruobing Li, Shangang Ma, Fubao Jin, Shuaihu Yin, Chenhui Nian, Ning Xin, Quanchang Yu

Author Affiliations +

Proceedings Volume 12589, International Conference on Optical Technology, Semiconductor Materials, and Devices (OTSMD 2022); 125890Z (2023) https://doi.org/10.1117/12.2668757
Event: International Conference on Optical Technology, Semiconductor Materials, and Devices (OTSMD 2022), 2022, Longyan, China

Abstract

Magnetorheological Elastomers (MREs) are a new type of intelligent magnetically controlled material consisting of a polymer matrix and magnetic particles. The modulus of elasticity of MREs varies with the external magnetic field strength due to the electromagnetic stress between the internal magnetic particle. However, the weak magnet-oenological effect of MREs limits their development. In order to improve the performance of the MREs, a two-dimensional model of MREs is developed based on the equivalent volume cell method, and the force-magnetic coupling analysis is carried out with COMSOL. In this paper, the effects of volume fraction, particle distribution, and magnetic field strength on the magnetostatic shear mechanical properties of MREs were investigated. The results show that: the stress distribution inside of MREs is mainly concentrated on the particles and the contact position between the particles and air. Increasing the magnetic field and the magnetic particle content can effectively improve the magneto-mechanical properties of MREs. Increasing the magnetic field from 0.5T to 1.7T, the magnetic shear modulus was increased by 8.81%. Increasing the particle volume fraction from 15% to 60%, the magnetic shear modulus was increased by 313.64%. Decreasing the particle distance in the chain contribute to the magneto-mechanical properties enhancement.

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Ruobing Li, Shangang Ma, Fubao Jin, Shuaihu Yin, Chenhui Nian, Ning Xin, and Quanchang Yu "Coupled multi-physics field simulation research of magneto-rheological elastomeric magneto-shear mechanical properties based on COMSOL", Proc. SPIE 12589, International Conference on Optical Technology, Semiconductor Materials, and Devices (OTSMD 2022), 125890Z (14 February 2023); https://doi.org/10.1117/12.2668757

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KEYWORDS

Magnetism

Particles

Electromagnetism

Matrices

Iron

Boundary conditions

Deformation

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