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Magnetic Anisotropy in Magnetoactive Elastomers, Enabled by Matrix Elasticity

Polymer, 2019
Polydimethylsiloxane based magnetoactive elastomers demonstrate above the melting transition range (e.g. at room temperature) an induced uniaxial magnetic anisotropy, which grows with increasing magnetic field.
Mikhail Shamonin, Viktor M. Kalita, Mykola Kulyk   +2 more
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Magnetoresistive Effect in Magnetoactive Elastomers

Journal of Superconductivity and Novel Magnetism, 2012
A study of the influence of magnetic field on the resistivity of the magnetoactive (magnetorheological) elastomer has been conducted. The material consisted of a soft polymer matrix and magnetic fillers being powders of Fe, Ni, and the Fe–Nd–B alloy. Under the influence of the field with a value of 300 mT, the elastomer exhibited the magnetoresistive ...
G. V. Stepanov, D. A. Semerenko, A. V. Bakhtiiarov, P. A. Storozhenko   +3 more
openaire   +1 more source

Athermal Shape Memory Effect in Magnetoactive Elastomers

ACS Applied Materials & Interfaces, 2020
Shape memory materials (SMMs) are usually referred to as materials with the ability to recover the original shape via certain thermal stimulations, such as temperature increase. Such shape memory behaviors achieved thermally usually exhibit slow response due to the constraint of thermal conductivity, leaving a big challenge for situations with ...
Xun Gong, Kai Tan, Qian Deng, Shengping Shen   +3 more
openaire   +2 more sources

Striction-Induced Stresses in a Magnetoactive Elastomer

Bulletin of the Russian Academy of Sciences: Physics
The possibility to determine the magnetostriction coefficient a of a magnetoactive elastomer is theoretically demonstrated by way of simple isometric experiment, when the force is measured that emerges in result of application of a field in the direction along which the dimension of the sample is fixed. It is shown that the value of a may be found from
O. V. Stolbov, Yu. L. Raikher
openaire   +1 more source

Temperature blocking and magnetization of magnetoactive elastomers

Journal of Magnetism and Magnetic Materials, 2019
Abstract The magnetization of a magnetoactive elastomer (MAE) with microparticles of soft magnetic carbonyl iron embedded in a highly elastic matrix has been studied. It is shown that at high temperatures its magnetization curve has the form of a specific hysteresis loop.
Andrii V. Bodnaruk, Viktor M. Kalita, Mykola M. Kulyk, Albert F. Lozenko, Sergey M. Ryabchenko, Andrei A. Snarskii, Alexander Brunhuber, Mikhail Shamonin   +7 more
openaire   +1 more source

Magnetoactive liquid crystal elastomer nanocomposites

J. Mater. Chem., 2009
We present liquid crystal elastomer (LCE) nanocomposites containing superparamagnetic nanoparticles that perform local heat dissipation upon irradiation with electromagnetic fields. A fast local temperature rise is observed that leads to a distinct contraction at the nematic–isotropic transition temperature of the elastomer.
Kaiser, Andreas, Winkler, Moritz, Krause, Simon, Finkelmann, Heino, Schmidt, Annette Monika   +4 more
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Finite deformation analysis of isotropic magnetoactive elastomers

Continuum Mechanics and Thermodynamics, 2020
In this study, the large deformation analysis of the magnetoactive elastomers based on continuum mechanics approach has been conducted. First, the governing differential equations for the spatial configuration are presented. Stored energy density function defined with respect to the invariants of the right or left Cauchy–Green deformation tensor and ...
Alireza Beheshti, Ramin Sedaghati, Subhash Rakheja   +2 more
openaire   +1 more source

Motion of ferroparticles inside the polymeric matrix in magnetoactive elastomers

Journal of Physics: Condensed Matter, 2008
Ferroelastic composites are smart materials with unique properties including large magnetodeformational effects, strong field enhancement of the elastic modulus and magnetic shape memory. On the basis of mechanical tests, direct microscopy observations and magnetic measurements we conclude that all these effects are caused by reversible motion of the ...
G V, Stepanov, D Yu, Borin, Yu L, Raikher, P V, Melenev, N S, Perov   +4 more
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Transversely isotropic magnetoactive elastomers: theory and experiments

Archive of Applied Mechanics, 2020
The current contribution is concerned with the development of novel constitutive equations for anisotropic magnetoactive elastomers (MAEs). A hyperelastic material model for an incompressible magnetoelastic medium representing transversely isotropic MAEs has been developed to investigate their response behavior in the presence of the applied magnetic ...
Alireza Beheshti, Ramin Sedaghati, Subhash Rakheja   +2 more
openaire   +1 more source

Experimental Studies of the Resonance Characteristics of Magnetoactive Elastomers

2018 Dynamics of Systems, Mechanisms and Machines (Dynamics), 2018
the object of study is obtaining of experimental dynamic characteristics for new materials – magnetoactive elastomers under exposure of different loads from magnetic fields. Characteristics of magnetic field force effect on increase of resonance frequencies.
A. Ja. Minaev, Ju. V. Korovkin
openaire   +1 more source