METHOD FOR LASER WELDING AND WELDED METAL USING THE SAME

The present invention relates to a laser welding method that is capable of preventing defects such as pores or pits from being formed in a weld and improving formability of the weld during laser welding, and a welded member using the same. In the laser welding method of performing welding by irradia...

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Bibliographische Detailangaben
1. Verfasser:	WOO, IN-SU
Format:	Patent
Sprache:	eng ; fre
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:	The present invention relates to a laser welding method that is capable of preventing defects such as pores or pits from being formed in a weld and improving formability of the weld during laser welding, and a welded member using the same. In the laser welding method of performing welding by irradiating laser onto a portion to be welded, there are provided a laser welding method of including supplying a shielding gas to a laser irradiation part and a rear side of the laser irradiation part, and a welded member having welds formed therethrough. La présente invention concerne un procédé de soudage au laser, capable d'éviter des défauts, tels que la formation de pores ou de creux dans une soudure, et d'améliorer la capacité de formation de la soudure pendant le soudage au laser, ainsi qu'un élément soudé à l'aide de celui-ci. Dans le procédé de soudage au laser, consistant à réaliser la soudure par irradiation d'un laser sur une partie à souder, il est proposé un procédé de soudage au laser consistant à fournir un gaz de protection sur une partie d'irradiation au laser et un côté arrière de la partie d'irradiation au laser et un élément soudé ayant des soudures formées à travers lui.