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RISResidual Stress Control in Nozzle to Cylinder Butt Welds of Large-Scale Pressure Vessels Using Primary Plus Secondary Local PWHT Method
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Abstract. This study systematically investigated spot heating local postweld heat treatment (PWHT) for pressure vessel nozzle to cylinder butt welds through experimental and numerical analyses. A dual-stage local heat ...
Visual Investigation on the Arc Burning Behaviors and Features in Underwater Wet FCAW
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The dynamic arc behaviors have a significant effect on the process stability and welded joint quality in underwater wet flux-cored arc welding (FCAW). In this study, clear underwater arc images are obtained by using a ...