Automatic Welding, 2022, №09



2022 №09 (04)

DOI of Article 10.37434/as2022.09.05

2022 №09 (06)

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Avtomaticheskaya Svarka (Automatic Welding), #9, 2022, pp. 27-30

Interaction of dissolved oxygen with the dislocation structure of low-carbon deposited metal

A.P. Paltsevych

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

The paper gives the results of studying [H]dif interaction in low-carbon metal, deposited by coated electrodes, with the dislocation structure of metal at plastic deformation during cooling in the range from 370 to 20 °С. [H]dif content was determined by thermodesorption analysis with chromatographic termination. [H]disl formation was found during deposited metal cooling at deformation temperature below 100 and up to 20 °С. Sample cooling method to determine [H]dif content corresponded to ІSO 3690 standard, and ensured [H]disl formation in the deposited metal. Metal alloying by nickel, chromium, and molybdenum leads to increase of [H]disl content. 21 Ref., 7 Tabl., 1 Fig.
Keywords: arc welding, α-Fe, diffusion hydrogen, dislocation structure, dislocation hydrogen, cold plastic deformation, rapid cooling


Received: 05.02.2022

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