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S. F. Dmitriev, A. V. Ishkov, A. O. Katasonov, V. N. Malikov, A. M. Sagalakov

SUPERMINIATURE EDDY-CURRENT TRANSDUCERS FOR THICKNESS STUDIES

DOI: 10.17804/2410-9908.2017.5.063-069

On the basis of an eddy-current transformer of a transformer type, a measuring system is made, which makes it possible to estimate the possibility of using the vortex method for measuring the thickness of conductive and dielectric coatings placed on a conductive base. The design of the measuring system and measurement techniques is described. The article presents data demonstrating the dependence of the amplitude part of the signal on objects of different thicknesses; limiting object dimensions at which these measurements are expedient are experimentally established.

Keywords: thickness gauging, eddy-current converters, aluminum, copper, layered structures, electrical conductivity

References:

  1. Neumeier P. Eddy current phase method for measuring the thickness of galvanic coatings. V mire nerazrushayushchego kontrolya, 2008, no. 2 (40), pp. 29–30. (In Russian).
  2. Sjas'ko V.A., Bulatov A.S., Koroteev M.Ju., Solomenchuk P.V. Eddy Current Meter. RF Patent 2384839, 2011. (In Russian).
  3. Bakunov A.S., Kaloshin V.A. Evolution of thickness coating measurement. Kontrol. Diagnostika, 2016, no. 1 (211), pp. 27–31. (In Russian). DOI: 10.14489/td.2016.01.pp.027-031
  4. Bogdanov N.G., Prihod’ko V.A., Suzdal’cev A.I. Eddy current method of dual frequency control of products. Patent RF 2184931, 2002. (In Russian).
  5. Malikov V.N., Dmitriev S.F., Sagalakov A.M., Ishkov A.V. Subminiature Eddy Current Transducers for Studying Metal-Dielectric Junctions. Instruments and experimental techniques, 2014, vol. 57, iss. 6, pp. 751–754. DOI: 10.1134/S0020441214060037
  6. Dmitriev S.F., Katasonov A.O., Malikov V.N., Sagalakov A.M. Flaw Detection of Alloys Using the Eddy Current Method. Russian Journal of Nondestructive Testing, 2016, vol. 52, no. 1, pp. 32–37. DOI: 10.1134/S1061830916010058


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Article reference

Superminiature Eddy-Current Transducers for Thickness Studies / S. F. Dmitriev, A. V. Ishkov, A. O. Katasonov, V. N. Malikov, A. M. Sagalakov // Diagnostics, Resource and Mechanics of materials and structures. - 2017. - Iss. 5. - P. 63-69. -
DOI: 10.17804/2410-9908.2017.5.063-069. -
URL: http://eng.dream-journal.org/issues/content/article_166.html
(accessed: 05/22/2024).

 

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Founder:  Institute of Engineering Science, Russian Academy of Sciences (Ural Branch)
Chief Editor:  S.V. Smirnov
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