Alloys or metallic compositions – Aluminum base – Copper containing
Patent
1993-08-20
1995-05-23
Andrews, Melvyn J.
Alloys or metallic compositions
Aluminum base
Copper containing
148439, 148440, 420535, 420541, 420544, 420553, C22C 2108
Patent
active
054179190
ABSTRACT:
There is provided an aluminum alloy sheet material having high strength as well as excellent formability, which consists essentially, by weight percent, of 4.5 to 6% Mg, 0.0005 to 1% rare earth elements, 0.001 to 0.15% Ti, 0.0001 to 0.004% B, 0.05 to 0.2% Fe, 0.05 to 0.1% Si, 0.0001 to 0.03% Be, and the balance of Al and inevitable impurities. The aluminum alloy sheet material may further contain at least one element selected from the group consisting of 0.05 to 0.3% Cu, 0.1 to 1% Zn and 0.05 to 0.2% Mn, if required.
REFERENCES:
patent: 2564044 (1951-08-01), Willmore
patent: 4043840 (1977-08-01), Sperry et al.
Komiyama Yoshinobu
Miyazaki Masahiko
Ohori Koichi
Saitoh Hiroshi
Andrews Melvyn J.
Koehler Robert R.
Mitsubishi Aluminum Co. Ltd.
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