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Distribution of the induction of a quasi-stationary magnetic field created in a ferromagnet by an attachable electromagnet

  • Magnetic Methods
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Abstract

As a result of numerical calculations, the spatial and time distributions of the induction of a quasi-stationary magnetic field, which was created in a studied ferromagnet by U-shaped and solenoidal attachable electromagnets (AEMs) at frequencies of 1 and 10 Hz, were obtained. The presence of a phase shift between the amplitude values of the magnetic-field induction at different depths in the specimen, which increases with the frequency of the exciting current, was revealed. The dependences of the magnetic-field penetration depth into the ferromagnet on the magnetic reversal frequency were studied. It was found that for the frequency range under study the magnetic-field penetration depth for both types of AEM is smaller than that for the corresponding stationary case.

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Authors and Affiliations

  1. Karpenko Physicomechanical Institute, National Academy of Sciences of Ukraine, Kyiv, Ukraine

    V. R. Skal’skii, B. P. Klim & E. P. Pochapskii

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  1. V. R. Skal’skii
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  2. B. P. Klim
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  3. E. P. Pochapskii
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Correspondence to V. R. Skal’skii.

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Original Russian Text © V.R. Skal’skii, B.P. Klim, E.P. Pochapskii, 2012, published in Defektoskopiya, 2012, Vol. 48, No. 1, pp. 30–43.

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Skal’skii, V.R., Klim, B.P. & Pochapskii, E.P. Distribution of the induction of a quasi-stationary magnetic field created in a ferromagnet by an attachable electromagnet. Russ J Nondestruct Test 48, 23–34 (2012). https://doi.org/10.1134/S106183091201010X

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  • DOI: https://doi.org/10.1134/S106183091201010X

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