Table 4.
Design matrix with response values based on the FFD experiments.
| Exp. no | Input parameters |
Responses |
|||||
|---|---|---|---|---|---|---|---|
| A (mm) | B | C | D | YS (MPa) | UTS (MPa) | UE (%) | |
| 1 | 1 | 1 | 1 | 1 | 285 | 301 | 24.36 |
| 2 | 1 | 1 | 1 | 2 | 282 | 330 | 26.03 |
| 3 | 1 | 1 | 1 | 3 | 288 | 340 | 28.62 |
| 4 | 1 | 1 | 2 | 1 | 274 | 326 | 24.43 |
| 5 | 1 | 1 | 2 | 2 | 271 | 328 | 26.90 |
| 6 | 1 | 1 | 2 | 3 | 276 | 328 | 28.64 |
| 7 | 1 | 1 | 3 | 1 | 281 | 330 | 26.07 |
| 8 | 1 | 1 | 3 | 2 | 287 | 334 | 27.75 |
| 9 | 1 | 1 | 3 | 3 | 283 | 340 | 27.77 |
| 10 | 1 | 2 | 1 | 1 | 281 | 330 | 24.36 |
| 11 | 1 | 2 | 1 | 2 | 282 | 336 | 26.92 |
| 12 | 1 | 2 | 1 | 3 | 275 | 326 | 26.94 |
| 13 | 1 | 2 | 2 | 1 | 269 | 325 | 25.24 |
| 14 | 1 | 2 | 2 | 2 | 266 | 327 | 26.86 |
| 15 | 1 | 2 | 2 | 3 | 274 | 331 | 27.75 |
| 16 | 1 | 2 | 3 | 1 | 274 | 329 | 25.24 |
| 17 | 1 | 2 | 3 | 2 | 286 | 337 | 27.75 |
| 18 | 1 | 2 | 3 | 3 | 280 | 341 | 28.62 |
| 19 | 3 | 1 | 1 | 1 | 270 | 287 | 7.27 |
| 20 | 3 | 1 | 1 | 2 | 275 | 291 | 5.55 |
| 21 | 3 | 1 | 1 | 3 | 284 | 313 | 13.25 |
| 22 | 3 | 1 | 2 | 1 | 258 | 290 | 8.14 |
| 23 | 3 | 1 | 2 | 2 | 260 | 290 | 8.13 |
| 24 | 3 | 1 | 2 | 3 | 262 | 298 | 14.98 |
| 25 | 3 | 1 | 3 | 1 | 245 | 286 | 10.71 |
| 26 | 3 | 1 | 3 | 2 | 254 | 285 | 8.99 |
| 27 | 3 | 1 | 3 | 3 | 257 | 293 | 14.12 |
| 28 | 3 | 2 | 1 | 1 | 268 | 283 | 6.44 |
| 29 | 3 | 2 | 1 | 2 | 269 | 284 | 6.44 |
| 30 | 3 | 2 | 1 | 3 | 282 | 289 | 12.40 |
| 31 | 3 | 2 | 2 | 1 | 254 | 282 | 8.99 |
| 32 | 3 | 2 | 2 | 2 | 253 | 287 | 9.76 |
| 33 | 3 | 2 | 2 | 3 | 261 | 294 | 14.10 |
| 34 | 3 | 2 | 3 | 1 | 240 | 278 | 11.53 |
| 35 | 3 | 2 | 3 | 2 | 251 | 282 | 9.84 |
| 36 | 3 | 2 | 3 | 3 | 253 | 295 | 17.52 |