Evolution of a low-alloy steel/nickel superalloy dissimilar metal weld during post-weld heat treatment

The design of the dissimilar metal weld investigated here is aimed at applications in the steam generator of a sodium-cooled nuclear reactor, with a multi-decade lifespan in demanding operational conditions. It consists in a narrow-gap joint between 2.25Cr-1Mo low-alloy steel and an austenitic alloy...

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Veröffentlicht in:	Welding in the world 2021-10, Vol.65 (10), p.1871-1885
Hauptverfasser:	da Silva Lima, C.V., Verdier, M., Robaut, F., Ghanbaja, J., Badinier, G., Marlaud, T., Tassin, C., Van Landeghem, H.P.
Format:	Artikel
Sprache:	eng
Schlagworte:	Alloys Austenitic stainless steels Boilers Chemical composition Chemical potential Chemistry and Materials Science Chromium molybdenum steels Condensed Matter Dissimilar material joining Electron probe microanalysis Engineering Sciences Evolution Filler metals Heat treating Low alloy steels Materials Materials Science Metallic Materials Microstructure Nanoindentation Nickel Nickel base alloys Nuclear reactors Physics Post-weld heat treatment Research Paper Solid Mechanics Superalloys Theoretical and Applied Mechanics
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