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Acoustic-emission inspection of flaws during laser bonding of articles made of VT20 titanium alloy

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

Abstract

The acoustic-emission method for inspecting flaws that form during laser bonding with the use of a CO2 continuous-wave laser with a power of up to 8 kW and characteristics that can be preadjusted prior to welding is considered. The structure of acoustic-emission signals registered in a specimen’s flawed domain has been analyzed using the wavelet transform. It has been shown that the structural coefficients of the acoustic-emission signals localized in specimen’s flawed sections become identical over time.

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Authors and Affiliations

  1. Khristianovich Institute of Theoretical and Applied Mechanics, Siberian Branch, Russian Academy of Sciences, Novosibirsk, 630090, Russia

    V. M. Fomin, A. M. Orishich & A. G. Malikov

  2. Chaplygin Siberian Aeronautical Research Institute, Novosibirsk, 630051, Russia

    A. N. Serieznov, L. N. Stepanova & S. I. Kabanov

  3. Siberian Transport University, Novosibirsk, 630049, Russia

    K. V. Kanifadin

Authors
  1. V. M. Fomin
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  2. A. N. Serieznov
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  3. L. N. Stepanova
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  4. A. M. Orishich
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  5. S. I. Kabanov
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  6. K. V. Kanifadin
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  7. A. G. Malikov
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Corresponding author

Correspondence to V. M. Fomin.

Additional information

Original Russian Text © V.M. Fomin, A.N. Serieznov, L.N. Stepanova, A.M. Orishich, S.I. Kabanov, K.V. Kanifadin, A.G. Malikov, 2017, published in Defektoskopiya, 2017, No. 6, pp. 34–39.

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Fomin, V.M., Serieznov, A.N., Stepanova, L.N. et al. Acoustic-emission inspection of flaws during laser bonding of articles made of VT20 titanium alloy. Russ J Nondestruct Test 53, 430–435 (2017). https://doi.org/10.1134/S1061830917060067

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  • DOI: https://doi.org/10.1134/S1061830917060067

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