Thermal cycle-dependent metallurgical variations and their effects on the through-thickness mechanical properties in thick section narrow-gap welds

The primary components in pressurised water reactors are manufactured by welding thick sections of either SA508 or SA533 pressure vessel steel using processes such as submerged arc welding (SAW) or gas-tungsten arc welding (GTAW). Narrow-groove (NG) variants of these processes have reduced welding t...

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Veröffentlicht in:	Materials science & engineering. A, Structural materials : properties, microstructure and processing Structural materials : properties, microstructure and processing, 2017-11, Vol.707, p.399-411
Hauptverfasser:	Rathod, Dinesh W., Francis, John A., Roy, Matthew J., Obasi, Gideon, Irvine, Neil M.
Format:	Artikel
Sprache:	eng
Schlagworte:	As-welded condition Bead stacking sequence Digital imaging Electron microscopy Extractive metallurgy Gas tungsten arc welding Heat affected zone Impact strength Impact tests Mechanical properties Metallurgy Microstructure Optical properties Reactor pressure vessel Steam generator Steel Submerged arc welding Temper-bead welding Tensile tests Thickness Toughness Weld groove geometry Weld metal Welded joints Welding
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