Laser/arc hybrid welding method and method for producing welded member using same

Disclosed are: a welding method capable of increasing the welding speed up to approximately 20 m/min., yet capable of producing good bead configurations and preventing welding defects such as blowholes; and a method of producing a welded member using the welding method. Specifically disclosed is a l...

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Bibliographische Detailangaben
Hauptverfasser:	KOBASHI TAIZOU, MATSUNAMI MASAHIRO, ISHIGAI SHINYA, HAMADA TAKESHI, SUZUKI EIICHI
Format:	Patent
Sprache:	eng
Schlagworte:	CLADDING OR PLATING BY SOLDERING OR WELDING CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR PERFORMING OPERATIONS SOLDERING OR UNSOLDERING TRANSPORTING WELDING WORKING BY LASER BEAM
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Beschreibung
Zusammenfassung:	Disclosed are: a welding method capable of increasing the welding speed up to approximately 20 m/min., yet capable of producing good bead configurations and preventing welding defects such as blowholes; and a method of producing a welded member using the welding method. Specifically disclosed is a laser/arc hybrid welding method for butt-welding flat plates of stainless steel, titanium, or titanium alloy, or butt-welding both ends of a strip-shaped plate of stainless steel, titanium, or titanium alloy which has been formed into a tubular shape, wherein in the butt welding, the laser beam irradiation and the arc discharge trace the same welding line in such a manner that laser welding is followed by TIG arc welding.