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Inverse and Double Electromagnetic-Acoustic Conversion in Ferromagnetic Plates for an Arbitrary Ratio between Wavelengths of Acoustic Vibrations and Electromagnetic Oscillations

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Abstract

Secondary magnetic fields generated due to the inverse and double electromagnetic-acoustic conversion (EMAC) of any mode of the Lamb waves have been calculated. The behavior of these fields in transforming zeroth modes has been analyzed as a function of the thickness, electrical conductivity, and magnetic susceptibility of plates. It has been established that the dependences of the secondary field amplitudes on the plate thickness and conductivity are interrelated. It has been shown that the possibility of increase in the effectiveness of conversion due to electromagnetic-acoustic resonance in low-conducting materials revealed in the direct EMAC is conserved in the inverse and double EMAC.

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REFERENCES

  1. Komarov, V.A., Kvazistatsionarnoe elektromagnitno-akusticheskoe preobrazovanie v metallakh (Quasi-steady Electromagnetic-Acoustic Conversion in Metals), Sverdlovsk, Ural Division, the USSR Academy of Sciences, 1986.

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  3. Komarov, V.A., Muzhitskii, V.F., and Gurevich, S.Yu., Teoriya fizicheskikh polei (Theory of Physical Fields), Vol. 2, Akusticheskoe pole (Acoustic Field), Chelyabinsk-Izhevsk: South-Ural State University, 1998.

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Authors and Affiliations

  1. Institute of Physics and Technology, Ural Division, Russian Academy of Sciences, Izhevsk, Russia

    V. A. Komarov

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  1. V. A. Komarov
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Komarov, V.A. Inverse and Double Electromagnetic-Acoustic Conversion in Ferromagnetic Plates for an Arbitrary Ratio between Wavelengths of Acoustic Vibrations and Electromagnetic Oscillations. Russian Journal of Nondestructive Testing 37, 532–545 (2001). https://doi.org/10.1023/A:1014206732523

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  • DOI: https://doi.org/10.1023/A:1014206732523

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