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Träfflista för sökning "WFRF:(Virkkunen S) srt2:(2020-2023)"

Search: WFRF:(Virkkunen S) > (2020-2023)

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  • Hytönen, N., et al. (author)
  • Study of fusion boundary microstructure and local mismatch of SA508/alloy 52 dissimilar metal weld with buttering
  • 2023
  • In: Journal of Nuclear Materials. - : Elsevier BV. - 0022-3115 .- 1873-4820. ; 583, s. 154558-154558
  • Journal article (peer-reviewed)abstract
    • A SA508/Alloy 52 dissimilar metal weld (DMW) mock-up with double-sided Alloy 52 butterings, which is fully representative of Ringhals pressurizer surge nozzle DMW repair solution, was studied. The microstructure, crystal structure, elemental diffusion, carbide formation and macro-, micro- and nano-hardness of the SA508/nickel-base Alloy 52 buttering fusion boundary (FB) were investigated. Three types of FBs were analyzed, i.e., narrow FB (∼80–85% of whole FB), tempered martensitic transition region (∼15%) and wide partially mixed zone (∼1–2%). The different FB types were induced by the local heat flow and respective elementary diffusion, which significantly influence the local hardness mismatch across the DMW interface and the local brittle fracture behavior.
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  • Result 1-3 of 3
Type of publication
journal article (3)
Type of content
peer-reviewed (3)
Author/Editor
Sund, M (2)
Sorsa, T (2)
Haglund, C (2)
Virkkunen, S (2)
Willberg, J (2)
Hagström, J (1)
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Efsing, Pål, 1965- (1)
Ge, Y (1)
Hytönen, N. (1)
Que, Z. (1)
Lindqvist, S. (1)
Nevasmaa, P. (1)
Virkkunen, I. (1)
Hagstroem, J (1)
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University
Karolinska Institutet (2)
Royal Institute of Technology (1)
Language
English (3)
Research subject (UKÄ/SCB)
Engineering and Technology (1)
Year
2023 (3)

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