Journal
JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS
Volume 324, Issue 21, Pages 3448-3451Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.jmmm.2012.02.062
Keywords
Magnetic elastomer; Magnetorheological elastomer; Viscoelastic property; Magnetic field
Funding
- Federal Agency for Science and Education
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Viscoelastic and deformational behavior of soft magnetic elastomers with hard magnetic fillers under the influence of a magnetic field is studied by different experimental techniques. The magnetic elastomers used in this work were synthesized on the basis of silicone rubber filled with FeNdB particles and were magnetized in a field of 3 and 15 kOe. We have shown that due to high residual magnetization the materials demonstrate well pronounced non-elastic behavior already in the absence of any external magnetic field. In particular, in contrast to magnetic elastomers based on soft magnetic fillers their elastic modulus is strain-dependent. Under the influence of external magnetic field the storage and loss moduli of magnetic elastomers with hard magnetic filler can both increase and decrease tremendously. (C) 2012 Elsevier B.V. All rights reserved.
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