Comparative analysis of the structure and mechanical properties of welded joints of large-diameter pipes with wall thickness 30 mm produced commercially by submerged arc welding and by combination of the latter with hybrid laser-arc welding is performed. The results of impact tests and the data of fractographic studies are used to infer that that the combined welding process is more advantageous.
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Translated from Metallovedenie i Termicheskaya Obrabotka Metallov No. 10, Pp. 45 – 51, October 2022
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Tereshchenko, N.A., Yakovleva, I.L., Fedorov, M.A. et al. Raising the Impact Toughness of Welded Joints of Large-Diameter Pipes Formed with the Use of Hybrid Laser-Arc Welding. Met Sci Heat Treat 64, 579–585 (2023). https://doi.org/10.1007/s11041-023-00853-x
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DOI: https://doi.org/10.1007/s11041-023-00853-x