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The effective properties of macroscopically nonuniform ferromagnetic composites: Theory and numerical experiment

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Abstract

Various theoretical models (self-consistent field, local linearization, and percolation theory methods and an analytic solution of the linear problem for an ordered medium) for calculating the magnetostatic properties of two-phase composites containing one ferromagnetic phase were considered. The concentration and field dependences of the effective magnetic permeability were found. A method for determining the coercive force and remanent magnetization as functions of the ferromagnetic phase concentration was suggested. Numerical experiments were performed for composites with a periodic distribution of circular inclusions. The results were compared with the analytically calculated effective magnetic permeability.

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Authors and Affiliations

  1. National Technical University, Kiev, 03056, Ukraine

    A. A. Snarskii & M. I. Zhenirovsky

  2. H. ROSEN Engineering GmbH, D-49811, Lingen (Ems), Germany

    M. V. Shamonin

Authors
  1. A. A. Snarskii
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  2. M. V. Shamonin
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  3. M. I. Zhenirovsky
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__________

Translated from Zhurnal Éksperimental’no\(\overset{\lower0.5em\hbox{$\smash{\scriptscriptstyle\smile}$}}{l}\) i Teoretichesko\(\overset{\lower0.5em\hbox{$\smash{\scriptscriptstyle\smile}$}}{l}\) Fiziki, Vol. 123, No. 1, 2003, pp. 79–91.

Original Russian Text Copyright © 2003 by Snarskii, Shamonin, Zhenirovsky.

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Snarskii, A.A., Shamonin, M.V. & Zhenirovsky, M.I. The effective properties of macroscopically nonuniform ferromagnetic composites: Theory and numerical experiment. J. Exp. Theor. Phys. 96, 66–77 (2003). https://doi.org/10.1134/1.1545385

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