Acoustic-emission inspection of flaws during laser bonding of articles made of VT20 titanium alloy
- Authors: Fomin V.M.1, Serieznov A.N.2, Stepanova L.N.2, Orishich A.M.1, Kabanov S.I.2, Kanifadin K.V.3, Malikov A.G.1
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Affiliations:
- Khristianovich Institute of Theoretical and Applied Mechanics, Siberian Branch
- Chaplygin Siberian Aeronautical Research Institute
- Siberian Transport University
- Issue: Vol 53, No 6 (2017)
- Pages: 430-435
- Section: Acoustic Methods
- URL: https://journals.rcsi.science/1061-8309/article/view/181368
- DOI: https://doi.org/10.1134/S1061830917060067
- ID: 181368
Cite item
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.
Keywords
About the authors
V. M. Fomin
Khristianovich Institute of Theoretical and Applied Mechanics, Siberian Branch
Author for correspondence.
Email: fomin@itam.nsc.tu
Russian Federation, Novosibirsk, 630090
A. N. Serieznov
Chaplygin Siberian Aeronautical Research Institute
Email: fomin@itam.nsc.tu
Russian Federation, Novosibirsk, 630051
L. N. Stepanova
Chaplygin Siberian Aeronautical Research Institute
Email: fomin@itam.nsc.tu
Russian Federation, Novosibirsk, 630051
A. M. Orishich
Khristianovich Institute of Theoretical and Applied Mechanics, Siberian Branch
Email: fomin@itam.nsc.tu
Russian Federation, Novosibirsk, 630090
S. I. Kabanov
Chaplygin Siberian Aeronautical Research Institute
Email: fomin@itam.nsc.tu
Russian Federation, Novosibirsk, 630051
K. V. Kanifadin
Siberian Transport University
Email: fomin@itam.nsc.tu
Russian Federation, Novosibirsk, 630049
A. G. Malikov
Khristianovich Institute of Theoretical and Applied Mechanics, Siberian Branch
Email: fomin@itam.nsc.tu
Russian Federation, Novosibirsk, 630090