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A. A. Popkov

PHASE-DIFFERENCE LOCATION USED TO DETERMINE THE DIRECTION OF ACOUSTIC EMISSION SOURCE

DOI: 10.17804/2410-9908.2016.3.014-020

The paper describes the usage patterns of closely spaced acoustic emission transducers designed to determine the direction of propagation of acoustic emission impact by calculating the phase delays between the transducers. As a criterion for determining the reliability of the phase delay, correlation analysis is used. The experimental data have established a dependence between the direction of acoustic wave emission and the ratio of phase delays between the transducers.

Keywords: acoustic emission testing, location of emitters, phase-difference, determination of wave direction.

References:

  1. Nerazrushayushchiy kontrol: spravochnik [Nondestructive Testing. Reference Book. V.V. Kluev, ed., vol. 7]. M., Mashinostroenie Publ., 2006, 829 p. (In Russian).
  2. Stepanova L.N., Lebedev E.Yu., Kabanov S.I., Kanifadin K.V., Ramazanov I.S., Bekher S.A. Acoustic emission testing of the quality of a weld during natural cooling. Kontrol. Diagnostika, 2009, no. 3, pp. 61–67. (In Russian).
  3. Stepanova L.N., Bekher S.A., Tenitilov E.S. Methods for the determination of the coordi nates of defects in the acoustic emission testing of loose bearing rings. Kontrol. Diagnostika, 2010, no. 4, pp. 61–65. (In Russian).
  4. Murav'ev V.V., Bekher S.A., Vlasov K.V. Analysis of Errors in Determining the Coordi nates of Acoustic-Emission Sources in Sheet-Steel Structures. Russian Journal of Nondestructive Testing, 2008, vol. 44, iss. 7, pp. 480–485. DOI: 10.1134/S106183090807005X.
  5. Nerazrushayushchiy kontrol: spravochnik [Nondestructive Testing. Reference Book. V.V. Kluev, ed., vol. 3]. M., Mashinostroenie Publ., 2006, 864 p. (In Russian).


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Article reference

Popkov A. A. Phase-Difference Location Used to Determine the Direction of Acoustic Emission Source // Diagnostics, Resource and Mechanics of materials and structures. - 2016. - Iss. 3. - P. 14-20. -
DOI: 10.17804/2410-9908.2016.3.014-020. -
URL: http://eng.dream-journal.org/issues/2016-3/2016-3_69.html
(accessed: 07/24/2024).

 

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Chief Editor:  S.V. Smirnov
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