Strain- and field-induced anisotropy in hybrid elastomers with elongated filler nanoparticles

Seifert, Julian; Günzing, Damian; Webers, Samira; Dulle, Martin; Kruteva, Margarita; Landers, Joachim; Wende, Heiko; Schmidt, Annette

doi:10.1039/d0sm02104k

Cited by 3 publications

(1 citation statement)

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“…The influence of the particle shape on the material properties has not been sufficiently explored. Recently, several experimental works that focused on the response of polymer composites containing elongated and platelet filler particles have been published [ 80 , 81 , 82 , 83 ]. It was shown that the magnetorheological effect can be enhanced using anisometric filler.…”

Section: Introductionmentioning

confidence: 99%

Effects of Filler Anisometry on the Mechanical Response of a Magnetoactive Elastomer Cell: A Single-Inclusion Modeling Approach

Nadzharyan,

Kramarenko

2023

Polymers

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A finite-element model of the mechanical response of a magnetoactive elastomer (MAE) volume element is presented. Unit cells containing a single ferromagnetic inclusion with geometric and magnetic anisotropy are considered. The equilibrium state of the cell is calculated using the finite-element method and cell energy minimization. The response of the cell to three different excitation modes is studied: inclusion rotation, inclusion translation, and uniaxial cell stress. The influence of the magnetic properties of the filler particles on the equilibrium state of the MAE cell is considered. The dependence of the mechanical response of the cell on the filler concentration and inclusion anisometry is calculated and analyzed. Optimal filler shapes for maximizing the magnetic response of the MAE are discussed.

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