Research Article
Effect of Deformation and Aging on Properties of Al-4.1%Cu-1.4%Mg Aluminum Alloy
Table 3
Design of RRA tests.
| | No. | 1st stage aging temperature/°C | 1st stage aging time/h | 2nd stage aging temperature/°C | 2nd stage aging time/min | 3rd stage aging temperature/°C | 3rd stage aging time/h |
| | 1 | 190 | 12 | 240 | 20 | 190 | 12 | | 2 | 190 | 12 | 240 | 40 | 190 | 12 | | 3 | 190 | 12 | 240 | 60 | 190 | 12 | | 4 | 190 | 12 | 280 | 20 | 190 | 12 | | 5 | 190 | 12 | 280 | 40 | 190 | 12 | | 6 | 190 | 12 | 280 | 60 | 190 | 12 |
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