Metal treatment – Compositions – Heat treating
Patent
1988-10-12
1990-05-22
Dean, R.
Metal treatment
Compositions
Heat treating
148415, 148417, 148439, 148440, C22F 104
Patent
active
049274708
ABSTRACT:
Disclosed is a method of producing an unrecrystallized aluminum base, wrought product having improved levels of strength and fracture toughness. The method comprises providing a body of the aluminum base alloy, hot working the body to a wrought product and then subjecting it to an isothermal soak followed by a ramp anneal.
REFERENCES:
patent: 4092181 (1978-05-01), Paton et al.
Alexander Andrew
Aluminum Company of America
Dean R.
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