METHOD FOR PRODUCING METAL LAMINATE MATERIAL

Title:

METHOD FOR PRODUCING METAL LAMINATE MATERIAL

Document Type and Number:

WIPO Patent Application WO/2015/152040

Kind Code:

A1

Abstract:

The purpose of the present invention is to provide a method for producing a metal laminate material with higher production efficiency while maintaining sufficient bonding strength. Disclosed is a method for producing a metal laminate material by bonding two plates respectively made of materials M1 and M2, wherein: each of M1 and M2 is a metal or an alloy including at least one type of element selected from the group consisting of Mg, Al, Ti, Cr, Mn, Fe, Co, Ni, Cu, Zn, Nb, Mo, Pd, Ag, In, Sn, Hf, Ta, W, Pb, and Bi; the method comprises a step for subjecting the surfaces to be bonded of the two plates to a sputtering treatment by inert gas ions in a vacuum such that an oxide film on the surface layer remains, a step for temporarily bonding the two plates by roll bonding, and a step for bonding the two plates by heating; and, if the melting point of M1 is Tm1 (K), the melting point of M2 is Tm2 (K), and Tm1 > Tm2, the temperature of the heat treatment is higher than or equal to 0.45Tm2 and lower than 0.45Tm1 (and does not exceed Tm2).

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Inventors:

NANBU KOUJI (JP)
KUROKAWA TEPPEI (JP)
KOSHIRO TAKASHI (JP)
OKAYAMA HIRONAO (JP)

Application Number:

PCT/JP2015/059593

Publication Date:

October 08, 2015

Filing Date:

March 27, 2015

Export Citation:

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Assignee:

TOYO KOHAN CO LTD (JP)

International Classes:

B23K20/00; B32B15/01

Foreign References:

JP2004306458A	2004-11-04
JP2005074913A	2005-03-24
JP2006159797A	2006-06-22
JPH02133563A	1990-05-22
JPH0970918A	1997-03-18
US4815652A	1989-03-28

Other References: