Abstract
The experimental dependences \(U(t)\) of electric voltage across a magnetic field transducer on time \(t\) are presented. The transducer scanned a discrete magnetic field sensor (DMFS) with records of pulsed magnetic fields that passed through aluminum plates with thicknesses of 0.015, 0.05, 0.055, 0.07, 0.09, 0.12, 0.165, 0.225, and 0.26 mm. The DMFS with plates was affected by the magnetic field pulses of a linear complex shaped inductor formed by varying the parameters of the elements of the electric circuit of the source and using delay lines. Hysteresis interference of a pulsed magnetic field in a transmitted wave is obtained for single plates and for plates as part of a massive object making it possible to increase the sensitivity of object thickness gauging by several times compared to hysteresis-free methods and to test objects in narrow gaps between them.
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Pavlyuchenko, V.V., Doroshevich, E.S. Hysteresis Interference of a Pulsed Magnetic Field in a Wave Transmitted through Metal. Russ J Nondestruct Test 58, 130–139 (2022). https://doi.org/10.1134/S1061830922020061
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DOI: https://doi.org/10.1134/S1061830922020061