Research Article
Effect of Deformation and Aging on Properties of Al-4.1%Cu-1.4%Mg Aluminum Alloy
Table 7
Results of stage aging orthogonal tests.
| | No. | A | B | C | D | Tensile strength/MPa | Yield strength/MPa | Elongation/% | Hardness/HV | Conductivity/%IACS |
| | 1 | 1 | 1 | 1 | 1 | 462.8 | 399.0 | 11.4 | 149.7 | 39.4 | | 2 | 1 | 2 | 2 | 2 | 438.6 | 385.3 | 6.1 | 146.2 | 40.7 | | 3 | 1 | 3 | 3 | 3 | 398.0 | 350.1 | 7.0 | 132.0 | 41.7 | | 4 | 1 | 4 | 4 | 4 | 329.3 | 289.9 | 26.4 | 104.9 | 43.8 | | 5 | 2 | 1 | 2 | 3 | 429.2 | 380.1 | 9.8 | 141.1 | 40.9 | | 6 | 2 | 2 | 1 | 4 | 450.2 | 393.9 | 11.4 | 152.7 | 39.7 | | 7 | 2 | 3 | 4 | 1 | 356.3 | 320.4 | 6.9 | 120.7 | 42.6 | | 8 | 2 | 4 | 3 | 2 | 383.9 | 329.8 | 6.8 | 128.7 | 42.0 | | 9 | 3 | 1 | 3 | 4 | 389.6 | 349.7 | 3.2 | 126.6 | 42.2 | | 10 | 3 | 2 | 4 | 3 | 364.0 | 330.2 | 7.9 | 116.3 | 43.0 | | 11 | 3 | 3 | 1 | 2 | 466.3 | 370.0 | 9.8 | 142.2 | 40.9 | | 12 | 3 | 4 | 2 | 1 | 430.3 | 381.9 | 13.2 | 140.1 | 41.5 | | 13 | 4 | 1 | 4 | 2 | 325.1 | 280.0 | 19.7 | 107.4 | 43.6 | | 14 | 4 | 2 | 3 | 1 | 402.9 | 380.1 | 14.4 | 134.3 | 41.5 | | 15 | 4 | 3 | 2 | 4 | 397.2 | 344.6 | 6.7 | 141.7 | 40.7 | | 16 | 4 | 4 | 1 | 3 | 483.6 | 434.8 | 9.7 | 150.7 | 40.0 |
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