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Improvement of the Service Properties of the Weld Joint Metal for Transport Nuclear Power Units Manufactured of Heat-Resistant Steel Grades: Part I. Technology of Welding Heat-Resistant Steel Grades Using Low-Carbon Welding Materials without Heat Treatment and Experience of Applying Welding Materials

  • WELDING AND ALLIED PROCESSES. WELDING CONSUMABLES AND TECHNOLOGIES
  • Published:
Inorganic Materials: Applied Research Aims and scope

Abstract

The paper describes a technology for welding the assembly joints in power plants of nuclear icebreakers manufactured of heat-resistant 15Cr2MoV steel grades using low-carbon surfacing. The proposed technology is a reliable method for assuring the serviceability of icebreaker nuclear power plants under conditions when the heat treatment of the assembly joint is infeasible. The low-carbon all-weld metal is often prone to softening under the action of repeated process tempering cycles to which the assembly units of the equipment are subjected.

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Authors and Affiliations

  1. National Research Center Kurchatov Institute—Central Research Institute of Structural Materials Prometey, 191015, St. Petersburg, Russia

    M. N. Timofeev, G. P. Karzov, S. N. Galiatkin, E. I. Mikhaleva & S. G. Litvinov

  2. AO Afrikantov Experimental Design Bureau for Mechanical Engineering (OKBM-Afrikantov), 603074, Nizhny Novgorod, Russia

    A. G. Aleksandrin & D. L. Bashulin

  3. AO VMZ Krasny Oktyabr, 400007, Volgograd, Russia

    O. V. Shubin

Authors
  1. M. N. Timofeev
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  2. G. P. Karzov
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  3. S. N. Galiatkin
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  4. E. I. Mikhaleva
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  5. S. G. Litvinov
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  6. A. G. Aleksandrin
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  7. D. L. Bashulin
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  8. O. V. Shubin
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Corresponding author

Correspondence to M. N. Timofeev.

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Translated by O. Lotova

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Timofeev, M.N., Karzov, G.P., Galiatkin, S.N. et al. Improvement of the Service Properties of the Weld Joint Metal for Transport Nuclear Power Units Manufactured of Heat-Resistant Steel Grades: Part I. Technology of Welding Heat-Resistant Steel Grades Using Low-Carbon Welding Materials without Heat Treatment and Experience of Applying Welding Materials. Inorg. Mater. Appl. Res. 9, 1142–1147 (2018). https://doi.org/10.1134/S2075113318060242

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  • DOI: https://doi.org/10.1134/S2075113318060242

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