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2023 №04 (06) DOI of Article
10.37434/tdnk2023.04.01
2023 №04 (02)

Technical Diagnostics and Non-Destructive Testing 2023 #04
Technical Diagnostics and Non-Destructive Testing #4, 2023, pp. 5-10

Nondestructive method of residual stress determination in welded joints based on application of high-density current pulses and speckle-interferometry

L.M. Lobanov, V.V. Savitsky, O.P. Shutkevych, K.V. Shyan, I.V. Kyanets

E.O. Paton Electric Welding Institute of the NAS of Ukraine 11 Kazymyr Malevych Str., 03150, Kyiv, Ukraine. E-mail: office@paton.kiev.ua

A procedure was developed for nondestructive evaluation of residual stresses in welded joints based on application of high-density current pulses and laser speckle-interferometry. Comparison of the results of residual stress measurement in welded joints, obtained by the developed method and by hole-drilling method, was performed. 19 Ref., 10 Fig.
Keywords: residual stresses, welded joints, high-density current pulse, speckle-interferometry, electroplastic effect, hole-drilling method

Received 04.10.2023

References

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