Research Article
Optimization and Prediction of Ultimate Tensile Strength in Metal Active Gas Welding
Table 3
Experimental design matrix and results.
| Run order | | | | | | | UTS [MPa] | Run order | | | | | | | UTS [MPa] |
| 1 | 1 | −1 | 1 | −1 | −1 | 1 | 173 | 17 | 1 | 1 | −1 | 1 | −1 | −1 | 211 | 2 | 1 | 1 | −1 | −1 | −1 | 1 | 265 | 18 | 1 | −1 | −1 | 1 | 1 | 1 | 250 | 3 | −1 | −1 | −1 | −1 | −1 | −1 | 57 | 19 | −1 | −1 | 1 | −1 | 1 | 1 | 73 | 4 | 1 | −1 | 1 | 1 | −1 | −1 | 533 | 20 | −1 | −1 | −1 | −1 | −1 | −1 | 549 | 5 | −1 | 1 | 1 | 1 | −1 | 1 | 124 | 21 | 1 | 1 | −1 | 1 | −1 | −1 | 137 | 6 | 1 | 1 | 1 | 1 | 1 | 1 | 278 | 22 | −1 | 1 | −1 | −1 | 1 | 1 | 325 | 7 | −1 | 1 | −1 | −1 | 1 | 1 | 124 | 23 | −1 | −1 | 1 | 1 | 1 | −1 | 93 | 8 | 1 | −1 | 1 | 1 | −1 | −1 | 306 | 24 | −1 | −1 | 1 | −1 | 1 | 1 | 306 | 9 | 1 | −1 | −1 | −1 | 1 | −1 | 307 | 25 | −1 | 1 | 1 | −1 | −1 | −1 | 264 | 10 | 1 | −1 | −1 | −1 | 1 | −1 | 246 | 26 | 1 | −1 | −1 | 1 | 1 | 1 | 263 | 11 | 1 | 1 | 1 | −1 | 1 | −1 | 122 | 27 | −1 | −1 | −1 | 1 | −1 | 1 | 124 | 12 | 1 | 1 | 1 | 1 | 1 | 1 | 551 | 28 | −1 | 1 | −1 | 1 | 1 | −1 | 537 | 13 | −1 | −1 | 1 | 1 | 1 | −1 | 151 | 29 | −1 | 1 | 1 | −1 | −1 | −1 | 135 | 14 | −1 | 1 | 1 | 1 | −1 | 1 | 312 | 30 | 1 | 1 | 1 | −1 | 1 | −1 | 321 | 15 | −1 | 1 | −1 | 1 | 1 | −1 | 118 | 31 | 1 | 1 | −1 | −1 | −1 | 1 | 80 | 16 | 1 | −1 | 1 | −1 | −1 | 1 | 318 | 32 | −1 | −1 | −1 | 1 | −1 | 1 | 306 |
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