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The test piece heat treatment plan.
| Solution Treatment | Artificial Aging | Combination No | ||
|---|---|---|---|---|
| Temperature (ts), °C | Time (τs), h | Temperature (ta), °C | Time (τa), h | |
| 465 | 0.5 | 165 | 2 | 1 |
| 235 | 8 | 2 | ||
| 325 | 5 | 3 | ||
| 1.5 | 165 | 8 | 4 | |
| 235 | 5 | 5 | ||
| 325 | 2 | 6 | ||
| 3 | 165 | 5 | 7 | |
| 235 | 2 | 8 | ||
| 325 | 8 | 9 | ||
| 520 | 0.5 | 165 | 8 | 10 |
| 235 | 5 | 11 | ||
| 325 | 2 | 12 | ||
| 1.5 | 165 | 5 | 13 | |
| 235 | 2 | 14 | ||
| 325 | 8 | 15 | ||
| 3 | 165 | 2 | 16 | |
| 235 | 8 | 17 | ||
| 325 | 5 | 18 | ||
| 550 | 0.5 | 165 | 5 | 19 |
| 235 | 2 | 20 | ||
| 325 | 8 | 21 | ||
| 1.5 | 165 | 2 | 22 | |
| 235 | 8 | 23 | ||
| 325 | 5 | 24 | ||
| 3 | 165 | 8 | 25 | |
| 235 | 5 | 26 | ||
| 325 | 2 | 27 | ||
