发明申请
- 专利标题: Dissimilar material weld joint formed by joining iron type material and aluminum type material, and weld joining method
- 专利标题(中): 通过接合铁型材料和铝型材料形成的不同材料焊接接头和焊接方法
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申请号: US11147241申请日: 2005-06-08
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公开(公告)号: US20050274776A1公开(公告)日: 2005-12-15
- 发明人: Mikako Takeda , Katsushi Matsumoto , Masao Kinefuchi , Tomokazu Nakagawa , Koji Fukumoto , Hiroyuki Takeda , Yasuo Murai
- 申请人: Mikako Takeda , Katsushi Matsumoto , Masao Kinefuchi , Tomokazu Nakagawa , Koji Fukumoto , Hiroyuki Takeda , Yasuo Murai
- 申请人地址: JP Kobe-shi
- 专利权人: Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.)
- 当前专利权人: Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.)
- 当前专利权人地址: JP Kobe-shi
- 优先权: JP2004-174348 20040611; JP2004-322067 20041105; JP2005-041883 20050218
- 主分类号: B23K9/23
- IPC分类号: B23K9/23 ; B23K26/32 ; B23K33/00 ; B23K35/24 ; B23K1/19 ; B23K20/16
摘要:
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 the minimum value of the ratio (L-Al)/(L-Fe) of the length (L-Al) of an aluminum type welding material 10 with which said voids 4a are filled to the length (L-Fe) of said iron type material 2 adjacent to said voids 4a filled with said aluminum type welding material 10 along said weld line 6 on the section containing said weld line 6 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.