| 摘要 |
PROBLEM TO BE SOLVED: To provide a welding method for performing temporary welding and normal welding by friction stir welding where the cost required for the temporary welding can be reduced. SOLUTION: The welding method comprises: a temporary welding stage where the butting part J1 between metallic members 1, 1 is subjected to friction stirring; and a normal welding stage where the butting part J1 between the metallic members 1, 1 in a state of being temporarily welded is subjected to friction stirring, and is characterized in that the temporary welding stage is practiced using a rotary tool for temporary welding more compact than a tool B for normal welding used in the normal welding stage. COPYRIGHT: (C)2008,JPO&INPIT |
