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Electrochemical Removal of Hydroxyl and Diffusible Hydrogen in Aluminum Fluoride Slags of Welding Flux-Cored Wires

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Abstract

This paper presents the scientific and technological principles of electrochemical removal of diffusible hydrogen by reactions of hydroxyl and hydrogen in molten aluminum fluoride slag and in the gas phase. A model was proposed for the electrochemical processes in the weld pool with the formation of aluminum fluoride polymer clusters in TiO2–CaF2–Na3AlF6 slag to reduce the content of diffusible hydrogen, decrease the volume of slag inclusions, and improve the mechanical properties of bainitic steel welded joints.

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Authors and Affiliations

  1. Peter the Great St. Petersburg Polytechnic University, 195251, St. Petersburg, Russia

    A. I. Rudskoi & S. G. Parshin

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  1. A. I. Rudskoi
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  2. S. G. Parshin
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Correspondence to A. I. Rudskoi.

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Translated by V. Glyanchenko

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Rudskoi, A.I., Parshin, S.G. Electrochemical Removal of Hydroxyl and Diffusible Hydrogen in Aluminum Fluoride Slags of Welding Flux-Cored Wires. Dokl Chem 504, 118–121 (2022). https://doi.org/10.1134/S0012500822700033

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  • DOI: https://doi.org/10.1134/S0012500822700033

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