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Analysis of an Eddy-Current Transducer with Impulsive Excitation in the Nondestructive Testing of Cylindrical Objects

We study the possibility of application the eddy-current method with impulsive excitation for the monitoring of the diameter and electric conductivity of cylindrical objects. For the processing of informative signals of a transducer, it is proposed to use the Hilbert transformation and a condition for the narrow- and wide-band “eddy-current transducer–tested object” systems, which would enable us to specify the spectral composition of the signals in the stage of design of the eddy-current devices.

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Correspondence to Yu. Yu. Lysenko.

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Translated from Fizyko-Khimichna Mekhanika Materialiv, Vol. 52, No. 3, pp. 120–125, May–June, 2016.

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Kuts, Y.V., Lysenko, Y.Y., Dugin, A.L. et al. Analysis of an Eddy-Current Transducer with Impulsive Excitation in the Nondestructive Testing of Cylindrical Objects. Mater Sci 52, 431–437 (2016).

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  • pulsed eddy-current testing
  • Hilbert transformation
  • frequency and decay of signals
  • monitoring of the diameter and conductivity