JOINT MATERIAL AND METHOD OF JOINING

WIPO Patent Application WO2010110476

A1

Provided is a joint material consisting of a first material made of steel and a second material made of metal containing magnesium into a joint material having high mechanical strength. The method of manufacturing the joint material is also provided. The method comprises a step of inserting an insert (5) between the first material (2) and the second material (3), a step of joining the first material, the insert (5) and the second material (3) and a step of heat-treating the insert (5) to control the structure thereof. The insert (5) includes a second element having a melting point lower than those of the first material (2) and the second material (3) and capacity of eutectic reaction with the second material (3). The heat treatment process includes a process of heating to a predetermined temperature, a process of maintaining the predetermined temperature and a cooling process by supplying inert gas. During the heat-maintaining process, an intermetallic compound (4) is formed between the first material (2) and the second material (3).

INOUE JUNYA (JP)
KOSEKI TOSHIHIKO (JP)
NAMBU SHOICHI (JP)
ENOKI MANABU (JP)
ARAKI TOSHIO (JP)
KOBA MASAKI (JP)

PCT/JP2010/055607

September 30, 2010

March 29, 2010

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UNIV TOKYO (JP)
INOUE JUNYA (JP)
KOSEKI TOSHIHIKO (JP)
NAMBU SHOICHI (JP)
ENOKI MANABU (JP)
ARAKI TOSHIO (JP)
KOBA MASAKI (JP)

B23K20/00; B23K103/18

JP2006231343A	2006-09-07
JP2006175502A	2006-07-06
JP2007152401A	2007-06-21
JP2008264822A	2008-11-06
JP2009000700A	2009-01-08

USHIKI, Mamoru (JP)
牛木 護 (JP)

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