Abstract
The paper suggests a design of an electromagnetic-acoustic converter shaped as a ring and emitting and detecting circular surface waves. Several examples demonstrate that such converters can be used in nondestructive testing, namely, in detecting surface cracks and evaluating anisotropy of sheet materials.
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REFERENCES
Babkin, S.E., Il'yasov, R.S., Komarov, V.A., and Rubtsov, V.I., EMA Converter of Surface Waves, Inventor's Certificate no. 1739280, Byull. Izobret., 1992, no. 21.
Komarov, V.A., Kvazistatsionarnoe elektromagnitno-akusticheskoe preobrazovanie v metallakh (Adiabatic Electromagnetic-Acoustic Conversion in Metals), Sverdlovsk: Ural Research Center, USSR Academy of Sciences, 1986.
Il'yasov, R.S., Babkin, S.E., and Komarov, V.A., Mechanisms of EMA Conversion of Rayleigh Waves in Ferromagnets at Different Frequencies, Defektoskopiya, 1988, no. 10, pp. 77-82.
Babkin, S.E., Il'yasov, R.S., Komarov, V.A., and Rubtsov, V.I., Device for Contactless Generation and Detection of Rayleigh Waves in Ferromagnets, Defektoskopiya, 1989, no. 6, pp. 93-94.
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Babkin, S.E., Il'yasov, R.S. Circular Electromagnetic-Acoustic Converter of Surface Waves. Russian Journal of Nondestructive Testing 38, 63–66 (2002). https://doi.org/10.1023/A:1020148319477
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DOI: https://doi.org/10.1023/A:1020148319477