Research Article
Effect of Deformation and Aging on Properties of Al-4.1%Cu-1.4%Mg Aluminum Alloy
Table 2
Selection of levels in stage aging orthogonal design.
| | Level | First stage aging temperature/C | First stage aging time/h | Second stage aging temperature/C | Second stage aging time/h |
| | 1 | 105 | 4 | 180 | 14 | | 2 | 115 | 6 | 190 | 16 | | 3 | 125 | 8 | 200 | 18 | | 4 | 135 | 10 | 210 | 20 |
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