ALUMINUM ALLOY FILLER METAL, ALUMINUM ALLOY WELDED STRUCTURE, AND METHOD FOR WELDING ALUMINUM MATERIAL

WIPO Patent Application WO/2022/038954

A1

Provided are: an aluminum alloy filler material which is less likely to cause welding cracks and from which a joint portion having excellent strength and toughness is formed, in high-speed joining of an aluminum alloy; an aluminum alloy welded structure manufactured using the aluminum alloy filler material; and a method for joining an aluminum material using the aluminum alloy filler material. The aluminum alloy filler material for high-speed joining according to the present invention is characterized by comprising aluminum including a surface-active element that lowers the surface tension of molten aluminum, wherein the surface-active element is at least one among Ca, Sr, and Ba, and the content of the surface-active element is 0.05-0.50 mass%.

WO/2020/150830	FOUNDRY ALLOYS FOR HIGH-PRESSURE VACUUM DIE CASTING
WO/2022/119024	METHOD FOR MANUFACTURING ALUMINUM ALLOY OF MEDIUM-STRENGTH AND HIGH-DUCTILITY
JP6792741	Non-aqueous electrolyte Negative electrode for secondary batteries Active material, negative electrode, battery and aluminum clad metal laminate

KANEKI HIROSHI (JP)
XING JIE (JP)
YOSHIDA RYO (JP)
OWADA YASUYUKI (JP)

PCT/JP2021/027264

February 24, 2022

July 21, 2021

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NIPPON LIGHT METAL CO (JP)

C22C21/02; B23K9/23; B23K26/348; B23K35/28

JPH01143792A	1989-06-06
JPH05208296A	1993-08-20
CN107081536A	2017-08-22
JP2015093313A	2015-05-18
JPH0847788A	1996-02-20
JP2006218491A	2006-08-24

See also references of EP 4202071A4

IPR CONSULTANT PPC (JP)

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