7000 Alloy having high mechanical strength and a process for obt

Details 7000 Alloy having high mechanical strength and a process for obt 7000 Alloy having high mechanical strength and a process for obt

1995-02-22

1996-10-01

Simmons, David A.

Metal treatment

Process of modifying or maintaining internal physical...

With casting or solidifying from melt

148550, 148552, 148690, 148693, 148694, 148701, 148417, 148439, 420532, C22F 104

Patent

active

055607896

ABSTRACT:
AA 7000 series alloys having high mechanical strength and a process for obtaining them. The alloys contain, by weight, 7 to 13.5% Zn, 1 to 3.8% Mg, 0.6 to 2.7% Cu, 0 to 0.5% Mn, 0 to 0.4% Cr, 0 to 0.2% Zr, others up to 0.05% each and 0.15% total, and remainder Al. Either wrought or cast alloys can be obtained, and the specific energy associated with the DEA melting signal of the product is lower than 3 J/g.

REFERENCES:
patent: 4345951 (1982-08-01), Coupry et al.
patent: 4747890 (1988-05-01), Meyer
patent: 5277719 (1994-01-01), Kuhlman et al.

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