Process for thermal aging of aluminum alloy plate

Details Process for thermal aging of aluminum alloy plate Process for thermal aging of aluminum alloy plate

1986-10-10

1989-02-28

Lechert, Jr., Stephen J.

Metal treatment

Compositions

Heat treating

148439, C22C 2106

Patent

active

048082481

ABSTRACT:
A method is disclosed for preparing an improved aluminum alloy plate product wherein the plate produced from an Al-Li-Cu-Mg alloy in the T351 condition is subjected to a thermal aging treatment wherein the plate is exposed to a temperature of about 170.degree. C..+-.2.degree. C. for about 32 hours .+-.0.5 hours.

REFERENCES:
patent: 4077810 (1978-03-01), Ohuchi et al.
patent: 4189334 (1980-02-01), Dubost et al.
patent: 4200476 (1980-04-01), Dubost et al.
patent: 4294625 (1981-10-01), Hyatt et al.
patent: 4323399 (1982-04-01), Dubost et al.
patent: 4336075 (1982-06-01), Quist et al.
patent: 4661172 (1987-04-01), Skinner et al.

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