Calculations of magnetoactive elastomer reactions in a uniform external magnetic field

被引：0
|
作者：
Petr Andriushchenko
Konstantin Nefedev
Gennady Stepanov
机构：
[1] Far Eastern Federal University,
[2] The School of Natural Sciences,undefined
[3] Department of theoretical and experimental physics,undefined
[4] Far Eastern Branch Russian Academy of Science,undefined
[5] Institute of Applied Mathematics,undefined
[6] State Scientific Research Institute of Chemistry and Technology of Organoelement Compounds,undefined
来源：
The European Physical Journal B | 2014年 / 87卷
关键词：
PDMS; Smart Mater; Magnetic Powder; Magnetostatic Energy; Uniform External Magnetic Field;
D O I：
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中图分类号：
学科分类号：
摘要：
The model of a magnetoactive elastomer (MAE) based on a system of single-domain fine particles distributed in an elastically deformable matrix is considered. The dependence of a deformation of samples with different concentrations of an ultra-dispersed magnetic material with a given value of a uniformly applied external magnetic field has been calculated and compared with experimental data. It is shown that the presence of inflection points is connected to the intrinsic characteristics of the magnetic filler. Changing the strength of the external magnetic field leads to an alteration of the total energy, and as a consequence promotes the restructuring of the particle distribution, which results in a non-uniform internal magnetic field. The theoretical analysis is found to agree with the experimental data.
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