Table 4 Orthogonal test heat treatment process.
Number | Process | A-solid solution temperature/°C | B-solid solution time/h | C-aging temperature/°C | D-limitation period/h |
|---|---|---|---|---|---|
1 | A1B1C1D1 | 535 | 7 | 150 | 7 |
2 | A1B2C2D2 | 535 | 8 | 160 | 8 |
3 | A1B3C3D3 | 535 | 9 | 170 | 9 |
4 | A2B1C2D3 | 545 | 7 | 160 | 9 |
5 | A2B2C3D1 | 545 | 8 | 170 | 7 |
6 | A2B3C1D2 | 545 | 9 | 150 | 8 |
7 | A3B1C3D2 | 555 | 7 | 170 | 8 |
8 | A3B2C1D3 | 555 | 8 | 150 | 9 |
9 | A3B3C2D1 | 555 | 9 | 160 | 7 |
