Effect of a homogeneous magnetic field on the mechanical behavior of soft magnetic elastomers under compression |
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| Authors: | S. S. Abramchuk D. A. Grishin E. Yu. Kramarenko G. V. Stepanov A. R. Khokhlov |
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| Affiliation: | (1) Nesmeyanov Institute of Organoelement Compounds, Russian Academy of Sciences, ul. Vavilova 28, Moscow, 119991, Russia;(2) Faculty of Physics, Moscow State University, Leninskie gory, Moscow, 119992, Russia;(3) State Scientific Center of the Russian Federation, Institute of Chemistry and Technology of Organoelement Compounds, sh. Entuziastov 38, Moscow, 111123, Russia |
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| Abstract: | The mechanical properties of new magnetic composite materials were studied. The above materials represent rubbery silicon matrices filled with magnetic microparticles of metallic iron or magnetite. In homogeneous magnetic fields with an intensity of up to 0.4 T, the shear modulus of the composites was abnormally high (up to 10 000%). The variation of elastic properties of new materials on the type and volume content of the magnetic filler was investigated. In the presence of a sufficiently strong magnetic field, the above composites were shown to behave as elastoplastic materials with strengthening. |
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