| 摘要 |
PURPOSE:To satisfactorily perform welding of aluminum materials required when the aluminum materials are used for an automobile car body, etc. CONSTITUTION:In performing laser beam welding on the aluminum materials made of aluminum or an aluminum alloy, anodized aluminum coating by anodizing is formed in advance at least on the surface of the weld zone and in a state with organic coating further formed thereon, laser beam welding is performed. |
