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Detection of subsurface microflaws using the high-frequency acoustic microscopy method

  • Acoustic Methods
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Abstract

The possibility of detecting subsurface flaws in solids using the scanning high-frequency acoustic-microscopy method was investigated. The influence of a distortion of the focal region and aberrations, which appear during focusing to a subsurface region in a solid, on the formation of the output signal of a microscope is estimated via mathematical simulation of the refraction of focused acoustic beams in a solid and during experiments on a laboratory scanning acoustic microscope at a 400-MHz frequency of probing acoustic waves.

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Authors and Affiliations

  1. Institute of Metal Physics, Ural Division, Russian Academy of Sciences, ul. Sof’i Kovalevskoi 18, Yekaterinburg, 620041, Russia

    Yu. V. Korkh, D. V. Perov & A. B. Rinkevich

Authors
  1. Yu. V. Korkh
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  2. D. V. Perov
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  3. A. B. Rinkevich
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Correspondence to Yu. V. Korkh.

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Original Russian Text © Yu.V. Korkh, D.V. Perov, A.B. Rinkevich, 2015, published in Defektoskopiya, 2015, Vol. 51, No. 4, pp. 19–33.

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Korkh, Y.V., Perov, D.V. & Rinkevich, A.B. Detection of subsurface microflaws using the high-frequency acoustic microscopy method. Russ J Nondestruct Test 51, 198–209 (2015). https://doi.org/10.1134/S1061830915040051

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  • DOI: https://doi.org/10.1134/S1061830915040051

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