Sumitomo Electric Industries, Limited

Sumitomo Wiring Systems, Limited

Autonetworks Technologies, Limited

Koki Sugimura

Hiroki Hirai

Osamu Nakayama

Tetsuji Tanaka

Junichi Ono

Tetsuya Kuwabara

Takuji Otsuka

Kenji Miyamoto

Kazuaki Hamada

Kazuhiro Washio

Kazuhiro Goto

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.

Metal member-welded structure and method of manufacturing metal member-welded structure

Growing community of inventors

Osaka, Japan

Koki Sugimura