DISSIMILAR METAL JOINED BODY AND MANUFACTURING METHOD OF DISSIMILAR METAL JOINED BODY

Japanese Patent JP2015136710

A

PROBLEM TO BE SOLVED: To provide a dissimilar metal joined body which is formed of a flare joint and has a high joint strength.SOLUTION: A dissimilar metal joined body includes a first metal member 11 having a curve surface part 15, a second metal member 12 which has a melting point higher than that of the first metal member 11 and is formed of a flare joint with the first metal member 11 and a joint metal part 13 formed by subjecting filler metal arranged on the joint part between the first metal member 11 and the second metal member 12 and the first metal member 11 to laser irradiation. Therein, the maximum thickness of an intermetallic compound 14 formed on a boundary face between the second metal member 12 and the joint metal part 13 is 3 μm or less and, on the curve surface part 15 formed of the flare joint of the first metal member 11, a fusion part 16 and a non-fusion part 17 are formed in the order in the thickness direction from the side on which the joint metal part 13 is formed.

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KAITOKU KAZUMASA
MATSUMOTO TAKESHI
EGUCHI NORITAKA
HASHIMURA TORU

JP2014008818A

July 30, 2015

January 21, 2014

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KOBE STEEL LTD

B23K1/19; B23K1/005; B23K26/323

JP2009279605A	2009-12-03
JP2009269071A	2009-11-19
JP2010099739A	2010-05-06
JP2010137277A	2010-06-24
JP2009279648A	2009-12-03
JP2009279605A	2009-12-03
JP2009269071A	2009-11-19

US20100233508A1	2010-09-16
US20090114625A1	2009-05-07
US20100233508A1	2010-09-16
US20090114625A1	2009-05-07

Kaoru Watanabe
Miwako Inoue
Keiko Omori

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