| 摘要 |
PROBLEM TO BE SOLVED: To provide a friction-stir-welded material in which a detection part for detecting a working route can be easily formed. SOLUTION: In the friction-stir-welded material which is subjected to the friction stir welding and welded by butting welding end faces of plate parts to each other, and rotatingly moving a stirring pin to the butted part to be welded, a line 13 is formed along a welding end by extrusion by a line working means arranged at an extrusion port of a die. COPYRIGHT: (C)2009,JPO&INPIT
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