Metal treatment – Compositions – Heat treating
Patent
1990-04-02
1991-10-29
Dean, H.
Metal treatment
Compositions
Heat treating
148 115A, 148159, 148417, 148439, C22F 104
Patent
active
050613278
ABSTRACT:
Disclosed is a method of producing an unrecrystallized aluminum alloy flat rolled product, e.g., plate or sheet, having improved levels of strength and fracture toughness. The method comprises the steps of providing a body of an aluminum base alloy, heating and hot working the body to a first product. This is followed by reheating, cooling and heat treating the first product prior to further working it to an unrecrystallized plate or sheet product, for example.
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Denzer Diana K.
Liu John
Alexander Andrew
Aluminum Company of America
Dean H.
Koehler Robert R.
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