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Peculiarities of Electromagnetic-Acoustic Transformation in the Presence of Mechanical Stresses: I. Applied Stresses: Experimental Data

  • Acoustic Methods
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Abstract

Experimental data illustrating the dependence of changes in the efficiency of electromagnetic-acoustic transformation (EMAT) of ferromagnets and the field range, which corresponds to the maximum changes, on the mechanical elastic stresses applied are presented.

It is shown that the correlation between the EMAT parameters and stresses is determined by (a) the sign of the product of the saturation magnetostriction and stresses, (b) the behavior of the saturation magnetostriction and magnetization depending on the stresses, and (c) the type of skin effect.

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Authors and Affiliations

  1. ZAO Research Institute of Introscopy, MNPO Spektr, ul. Usacheva 35, str. 1, Moscow, 119048, Russia

    V. F. Muzhitskii & V. A. Komarov

  2. Physicotechnical Institute, Ural Division, Russian Academy of Sciences, ul. Kirova 132, Izhevsk, 426000, Russia

    V. F. Muzhitskii & V. A. Komarov

Authors
  1. V. F. Muzhitskii
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  2. V. A. Komarov
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__________

Translated from Defektoskopiya, Vol. 41, No. 10, 2005, pp. 81–92.

Original Russian Text Copyright © 2005 by Muzhitskii, Komarov.

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Muzhitskii, V.F., Komarov, V.A. Peculiarities of Electromagnetic-Acoustic Transformation in the Presence of Mechanical Stresses: I. Applied Stresses: Experimental Data. Russ J Nondestruct Test 41, 682–690 (2005). https://doi.org/10.1007/s11181-006-0018-3

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  • DOI: https://doi.org/10.1007/s11181-006-0018-3

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