Title:
金属部材の溶接構造、及び金属部材の溶接構造の製造方法
Document Type and Number:
Japanese Patent JP7347432
Kind Code:
B2
Abstract:
A metal member-welded structure includes: a Cu member; an Al member; and a welded portion formed by melting and solidifying each of materials of the Cu member and the Al member. The Cu member includes a Cu-based material containing Cu as a main component. The Al member includes an Al-based material containing Al as a main component and a plating layer that covers a side of the Al-based material, the side being close to a surface of the Cu member. The welded portion includes a sea-island structure in a vicinity of the surface of the Cu member. The sea-island structure includes: a plurality of island portions containing pure Al, and a sea portion interposed among the island portions. The sea portion has a eutectic structure having: a phase of an intermetallic compound of Cu and Al; and a phase of pure Al.
Inventors:
Yuki Sugimura
Tetsuya Kuwahara
Kazuhiro Goto
Hiroki Hirai
Tetsuji Tanaka
Junichi Ono
Takuji Otsuka
Kenji Miyamoto
Osamu Nakayama
Kazuaki Hamada
Kazuhiro Washio
Tetsuya Kuwahara
Kazuhiro Goto
Hiroki Hirai
Tetsuji Tanaka
Junichi Ono
Takuji Otsuka
Kenji Miyamoto
Osamu Nakayama
Kazuaki Hamada
Kazuhiro Washio
Application Number:
JP2020541053A
Publication Date:
September 20, 2023
Filing Date:
July 24, 2019
Export Citation:
Assignee:
Sumitomo Electric Industries, Ltd.
Auto Network Technology Laboratory Co., Ltd.
SUMITOMO WIRING SYSTEMS,LTD.
Auto Network Technology Laboratory Co., Ltd.
SUMITOMO WIRING SYSTEMS,LTD.
International Classes:
B23K26/21; B23K26/323; B23K26/322; B23K26/324; C22C9/00
Domestic Patent References:
| JP2006231343A | ||||
| JP201812125A |
Foreign References:
| WO2015159503A1 |
Attorney, Agent or Firm:
Hiroshi Yamano