CPC C22F 1/04 (2013.01) [C22F 1/002 (2013.01)] | 5 Claims |
1. A method for manufacturing an aluminum alloy forged article, comprising:
performing a solution treatment for an aluminum alloy material by heating and maintaining the aluminum alloy material at a solution-treatment temperature T1;
performing forging at a temperature higher than 520° C. for the aluminum alloy material subjected to the solution treatment; and
cooling the forged aluminum alloy material upon completing the forging, and aging the cooled aluminum alloy material, wherein
the method further comprises, before starting the forging, a pre-forging cooling step of cooling the aluminum alloy material subjected to the solution treatment at a temperature of no less than 520° C. while maintaining the aluminum alloy material subjected to the solution treatment in a solution state.
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