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Influence of elastic stresses on electromagnetic-acoustic transformation in nickel, iron-nickel alloys, and permendur

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Abstract

It has been experimentally established that the sign of the change in the efficiency of electromagnetic-acoustic transformation under elastic tension is determined by the sign of the saturation magnetostriction and depends on the magnetic state of a ferromagnet. It is shown that, after annealing, as a result of relaxation of internal stresses, both the transformation efficiency and its sensitivity to applied stresses substantially increase. Model concepts are presented that account for the experimental dependences.

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Authors and Affiliations

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

    R. S. Il’yasov, M. A. Borovkova & S. E. Babkin

Authors
  1. R. S. Il’yasov
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  2. M. A. Borovkova
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  3. S. E. Babkin
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Correspondence to R. S. Il’yasov.

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Original Russian Text © R.S. Il’yasov, M.A. Borovkova, S.E. Babkin, 2009, published in Defektoskopiya, 2009, Vol. 45, No. 7, pp. 40–49.

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Il’yasov, R.S., Borovkova, M.A. & Babkin, S.E. Influence of elastic stresses on electromagnetic-acoustic transformation in nickel, iron-nickel alloys, and permendur. Russ J Nondestruct Test 45, 474–480 (2009). https://doi.org/10.1134/S1061830909070067

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  • DOI: https://doi.org/10.1134/S1061830909070067

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