Research Article
Optimization of Forging Process Parameters and Prediction Model of Residual Stress of Ti-6Al-4V Alloy
| Test no. | Factors | Test index | T | D | S | σ (MPa) |
| 1 | 1 (925) | 1 (30) | 1 (10) | 14.5 | 2 | 1 (925) | 2 (40) | 2 (50) | 18.3 | 3 | 1 (925) | 3 (50) | 3 (100) | 18.1 | 4 | 1 (925) | 4 (60) | 4 (500) | 17.4 | 5 | 1 (925) | 5 (70) | 5 (1000) | 18.9 | 6 | 2 (950) | 1 (30) | 2 (50) | 12.1 | 7 | 2 (950) | 2 (40) | 3 (100) | 15.3 | 8 | 2 (950) | 3 (50) | 4 (500) | 15.4 | 9 | 2 (950) | 4 (60) | 5 (1000) | 14.3 | 10 | 2 (950) | 5 (70) | 1 (10) | 20.8 | 11 | 3 (975) | 1 (30) | 3 (100) | 11.8 | 12 | 3 (975) | 2 (40) | 4 (500) | 11.4 | 13 | 3 (975) | 3 (50) | 5 (1000) | 11.8 | 14 | 3 (975) | 4 (60) | 1 (10) | 19.7 | 15 | 3 (975) | 5 (70) | 2 (50) | 18.5 | 16 | 4 (1000) | 1 (30) | 4 (500) | 9.79 | 17 | 4 (1000) | 2 (40) | 5 (1000) | 9.04 | 18 | 4 (1000) | 3 (50) | 1 (10) | 10.7 | 19 | 4 (1000) | 4 (60) | 2 (50) | 10.7 | 20 | 4 (1000) | 5 (70) | 3 (100) | 11 | 21 | 5 (1025) | 1 (30) | 5 (1000) | 8.04 | 22 | 5 (1025) | 2 (40) | 1 (10) | 8.58 | 23 | 5 (1025) | 3 (50) | 2 (50) | 9.22 | 24 | 5 (1025) | 4 (60) | 3 (100) | 8.83 | 25 | 5 (1025) | 5 (70) | 4 (500) | 9.2 |
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