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Detection of flaws in the railhead by the mirror method under the condition of multiple reflection of ultrasonic oscillations

  • Acoustic Methods
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Russian Journal of Nondestructive Testing Aims and scope Submit manuscript

Abstract

Issues of detection of flaws in the railhead by the echo and mirror methods are considered. The influence of the degree of rail wear on the path of propagating ultrasonic beams has been studied. It has been shown that, owing to multiple reflection of ultrasonic beams inside the railhead, transverse cracks can be reliably detected on both the working and nonworking faces of the railhead. Computer-simulation-based calculations are confirmed by data on detection of actual flaws in the railhead. The results are used in the development of sounding systems for AVIKON-type multichannel demountable ultrasonic flaw detectors for total inspection of rails.

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References

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Authors and Affiliations

  1. OAO Radioavionika, St. Petersburg, Russia

    A. A. Markov & M. V. Keskinov

Authors
  1. A. A. Markov
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  2. M. V. Keskinov
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Correspondence to A. A. Markov.

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Original Russian Text © A.A. Markov, M.V. Keskinov, 2008, published in Defektoskopiya, 2008, Vol. 44, No. 7, pp. 12–27.

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Markov, A.A., Keskinov, M.V. Detection of flaws in the railhead by the mirror method under the condition of multiple reflection of ultrasonic oscillations. Russ J Nondestruct Test 44, 450–461 (2008). https://doi.org/10.1134/S1061830908070024

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  • DOI: https://doi.org/10.1134/S1061830908070024

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