| 摘要 |
PROBLEM TO BE SOLVED: To provide a method for producing an aluminum alloy material capable of performing aging treatment in a shorter time while increasing the strength of an aluminum alloy material.SOLUTION: Provided is a method for producing an aluminum alloy material at least including the steps of: subjecting an Al-Cu-Mg based aluminum alloy material to solution treatment; subjecting the aluminum alloy material to plastic working before the cooling of the aluminum alloy material subjected to the solution treatment; and cooling the aluminum alloy material at a timing in which the plastic working has being finished and performing aging treatment to the aluminum alloy material after the cooling, and, by performing holding in the temperature range of 295 to 310°C in heating temperature for a heating time of 30 to 120 seconds, the aluminum alloy material is subjected to the aging treatment. |
