B - Operations – Transporting – 23 – K
Patent
B - Operations, Transporting
23
K
B23K 9/23 (2006.01) B23K 5/16 (2006.01) B23K 11/20 (2006.01) B23K 26/32 (2006.01)
Patent
CA 2509322
Disclosed are: a dissimilar material weld joint being formed by joining an iron type material and an aluminum type material and having not only a high strength but also an excellent ductility; and a weld joining method allowing such a joint to be stably produced. A dissimilar material weld joint 1 formed by joining an iron type material 2 and an aluminum type material 3, wherein: voids 4a are formed beforehand on the side of said iron type material 2 at a predetermined interval along a weld line 6; both said iron type and aluminum type materials are weld joined so that said voids 4a are filled with molten aluminum 7; and a ratio (L-Al)/(L-Fe) is in the range from 0.5 to 7, both the lengths (L-Al) and (L-Fe) being the lengths per 100 mm in length of the weld line 6 formed after welding.
Fukumoto Koji
Kinefuchi Masao
Matsumoto Katsushi
Murai Yasuo
Nakagawa Tomokazu
Kabushiki Kaisha Kobe Seiko Sho (kobe Steel Ltd.)
Riches Mckenzie & Herbert Llp
LandOfFree
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