Table 4 Experimental runs, coded level, and responses.
Experimental runs | Coded levels | Factors | Responses | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
A (°C) | B (rpm) | C (min) | A (°C) | B (rpm) | C (min) | YS | UTS | EM | EL | IM | |
1 | − 1 | − 1 | − 1 | 700.000 | 500.000 | 15.0000 | 501 | 581 | 82.6 | 8.76 | 4.21 |
2 | 0 | 0 | − 1.68 | 700.000 | 500.000 | 23.4090 | 525 | 642 | 90.1 | 7.84 | 5.31 |
3 | 0 | 0 | 0 | 700.000 | 668.179 | 15.0000 | 529 | 689 | 91.4 | 7.51 | 5.74 |
4 | 0 | 0 | 0 | 700.000 | 500.000 | 15.0000 | 546 | 635 | 86.5 | 7.52 | 5.46 |
5 | 0 | 0 | 0 | 600.000 | 600.000 | 10.0000 | 575 | 719 | 95.3 | 6.79 | 6.41 |
6 | 0 | 1.68 | 0 | 800.000 | 600.000 | 10.0000 | 588 | 682 | 98.2 | 6.43 | 6.86 |
7 | 1 | 1 | − 1 | 700.000 | 500.000 | 15.0000 | 522 | 600 | 79.4 | 7.82 | 4.86 |
8 | − 1 | 1 | 1 | 700.000 | 500.000 | 15.0000 | 559 | 622 | 88.6 | 7.99 | 5.51 |
9 | − 1.68 | 0 | 0 | 700.000 | 500.000 | 15.0000 | 574 | 637 | 92.1 | 6.62 | 5.90 |
10 | 1.68 | 0 | 0 | 700.000 | 331.821 | 15.0000 | 530 | 634 | 87.3 | 8.55 | 5.17 |
11 | 0 | 0 | 0 | 800.000 | 600.000 | 20.0000 | 558 | 715 | 92.3 | 7.24 | 5.86 |
12 | 1 | − 1 | 1 | 868.179 | 500.000 | 15.0000 | 564 | 734 | 98.5 | 7.12 | 6.13 |
13 | 0 | − 1.68 | 0 | 600.000 | 400.000 | 10.0000 | 579 | 672 | 92.6 | 8.08 | 5.78 |
14 | − 1 | − 1 | 1 | 600.000 | 600.000 | 20.0000 | 601 | 745 | 96.5 | 7.34 | 6.84 |
15 | 0 | 0 | 0 | 700.000 | 500.000 | 6.5910 | 629 | 771 | 102.3 | 6.09 | 7.15 |
16 | 1 | 1 | 1 | 800.000 | 400.000 | 20.0000 | 561 | 628 | 86.7 | 8.47 | 5.00 |
17 | 0 | 0 | 1.68 | 800.000 | 400.000 | 10.0000 | 582 | 665 | 91.2 | 7.12 | 5.66 |
18 | − 1 | 1 | − 1 | 600.000 | 400.000 | 20.0000 | 618 | 692 | 93.2 | 6.83 | 6.16 |
19 | 1 | − 1 | − 1 | 700.000 | 500.000 | 15.0000 | 524 | 600 | 84.5 | 8.17 | 4.24 |
20 | 0 | 0 | 0 | 531.821 | 500.000 | 15.0000 | 531 | 657 | 86.8 | 6.94 | 4.87 |
