Treatment of aluminum alloys

Details Treatment of aluminum alloys Treatment of aluminum alloys

1973-04-18

1976-03-30

Satterfield, Walter R.

Metal treatment

Process of modifying or maintaining internal physical...

Chemical-heat removing or burning of metal

148 127, 148 206, 75138, C21D 100

Patent

active

039472973

ABSTRACT:
A process is provided for treating 7000 series aluminum alloys whereby their stress-corrosion resistance is greatly increased. In accordance with the process, the alloy is pre-aged, deformed at room temperature, and then subjected to two aging steps. The alloy so treated has a high resistance to stress corrosion while retaining satisfactory strength properties.

REFERENCES:
patent: 2083576 (1937-06-01), Nock
patent: 2506788 (1950-05-01), Hobbs
patent: 2865796 (1958-12-01), Rosenkranz
patent: 3133839 (1964-05-01), Thomas
patent: 3791880 (1974-02-01), Hunsicker et al.
patent: 3836405 (1974-09-01), Staley et al.
Lyman, T. et al.; Metals Handbook (I), Cleveland, 1961 (ASM) p. 948.

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