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06-09-2024

Development and industrial exploitation of welding technology for heat-resistant nickel alloys for high-temperature nuclear power plants

Authors: A. F. Shevakin, P. A. Kharin, A. B. Korostelev, M. V. Shishimirov, V. O. Ivanov, A. I. Sednev, Yu. A. Korostelev, A. P. Pantyukhin

Published in: Metallurgist

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Abstract

Heat-resistant nickel alloys are promising materials for manufacturing structural elements used in high-temperature nuclear power plants. Nickel alloys are characterized as difficult-to-weld materials; this is one of the main factors limiting their use. This paper presents the results of the development and industrial exploitation of welding technology for heat-resistant nickel alloy grade CrNi₆₂MoCh₂-VI (EC 199-VI). The quality control results of the obtained welded joints are presented. Notably, the welded joints of the CrNi₆₂MoCh₂-VI alloy exhibit resistance to intercrystalline corrosion and demonstrate improved mechanical characteristics.

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Title: Development and industrial exploitation of welding technology for heat-resistant nickel alloys for high-temperature nuclear power plants
Authors: A. F. Shevakin
P. A. Kharin
A. B. Korostelev
M. V. Shishimirov
V. O. Ivanov
A. I. Sednev
Yu. A. Korostelev
A. P. Pantyukhin
Publication date: 06-09-2024
Publisher: Springer US
Published in: Metallurgist
Print ISSN: 0026-0894
Electronic ISSN: 1573-8892
DOI: https://doi.org/10.1007/s11015-024-01770-x