Table 3.
Tension properties for AA7056-T761 and AA7056-T721.
| Temper | Strain Rate (s−1) | 22 °C |
100 °C |
200 °C |
300 °C |
||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Uniform Strain (%) | Failure Strain (%) | UTS (MPa) | Uniform Strain (%) | Failure Strain (%) | UTS (MPa) | Uniform Strain (%) | Failure Strain (%) | UTS (MPa) | Uniform Strain (%) | Failure Strain (%) | UTS (MPa) | ||
| T761 | 10−4 | 6.0 | 9.9 | 591 | 3.6 | 13.6 | 498 | 1.6 | 17.1 | 304 | 1.4 | 28.9 | 86.8 |
| 10−2 | 5.8 | 7.5 | 601 | 3.7 | 9.0 | 532 | 2.0 | 16.3 | 356 | 1.2 | 34.0 | 116 | |
| 100 | 4.8 | 6.2 | 597 | 3.9 | 7.8 | 554 | 2.7 | 13.7 | 409 | 2.2 | 30.7 | 153 | |
| T721 | 10−4 | 6.4 | 12.4 | 485 | 4.4 | 17.8 | 389 | 1.8 | 18.2 | 263 | 1.1 | 29.1 | 88.0 |
| 10−2 | 6.8 | 11.1 | 514 | 5.2 | 18.1 | 437 | 2.1 | 18.1 | 314 | 1.4 | 34.8 | 110 | |
| 100 | 7.0 | 9.6 | 514 | 6.3 | 13.4 | 467 | 2.9 | 15.7 | 355 | 2.4 | 30.0 | 147 | |
Note: All values are calculated from the engineering stress-strain curves, which is then converted to true stress and true strain.
Failure strains are approximate values, as they are not the local strains inside the neck.
UTS: Ultimate Tensile Stress.