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Pulsed Magnetic Field near Metal Surface

  • ELECTROMAGNETIC METHODS
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Russian Journal of Nondestructive Testing Aims and scope Submit manuscript

Abstract

The experimental dependences \(H{\kern 1pt} \left( d \right)\) of the maximum strength of the secondary pulsed magnetic field near the surface of metal plates on their thickness obtained using a discrete magnetic field sensor (DMFS) and reduced to the primary source field strength are presented. The thickness of the plates varied from 0.015 to 2 mm. DMFS with aluminum and lead plates were subjected to magnetic field pulses of a linear inductor with a rise time from 5 to 60 μs. Arctangent analytical functions \(H{\kern 1pt} \left( d \right)\) have been found that are used to calculate the hysteresis interference of a pulsed magnetic field in a reflected wave in order to increase the sensitivity and accuracy of monitoring the thickness of metal objects, the specific electrical conductivity of their material, and continuity defects in them.

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Authors and Affiliations

  1. Belarusian National Technical University, 220013, Minsk, Belarus

    V. V. Pavlyuchenko & E. S. Doroshevich

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  1. V. V. Pavlyuchenko
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  2. E. S. Doroshevich
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Correspondence to E. S. Doroshevich.

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Pavlyuchenko, V.V., Doroshevich, E.S. Pulsed Magnetic Field near Metal Surface. Russ J Nondestruct Test 58, 983–991 (2022). https://doi.org/10.1134/S1061830922700061

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  • DOI: https://doi.org/10.1134/S1061830922700061

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