Table 4.
Experimental results of thin structures produced in D2 steel.
| Exp. No | FH (mm) | FT_d (mm) | FL_d (mm) | FT_m (mm) | FL_m (mm) | FT_e (µm) | FL_e (µm) | Classification and Code | |
|---|---|---|---|---|---|---|---|---|---|
| First Phase | |||||||||
| 1 | 10 | 1 | 1 | 0.733 | 0.992 | 267 | 8 | Straight | 1 |
| 2 | 0.9 | 0.635 | 0.993 | 265 | 7 | Straight | 1 | ||
| 3 | 0.8 | 0.537 | 0.984 | 263 | 16 | Straight | 1 | ||
| 4 | 0.7 | 0.436 | 0.988 | 264 | 12 | Straight | 1 | ||
| 5 | 0.6 | 0.338 | 0.984 | 262 | 16 | Straight | 1 | ||
| 6 | 0.5 | 0.203 | 0.984 | 297 | 16 | Straight | 1 | ||
| 7 | 0.4 | 0.117 | 0.98 | 283 | 20 | Straight | 1 | ||
| 8 | 0.3 | Straight and broken | −3 | ||||||
| 9 | 0.39 | Broken | −4 | ||||||
| 10 | 0.38 | Broken | −4 | ||||||
| Second Phase (FH 10 mm) | |||||||||
| 1 | 10 | 0.4 | 2 | 0.118 | 1.522 | 282 | 478 | Straight and broken | −3 |
| 2 | 4 | 0.12 | 3.579 | 280 | 421 | Deflected | −1 | ||
| 3 | 6 | 0.119 | 5.524 | 281 | 476 | Deflected and merged | −2 | ||
| 4 | 8 | 0.107 | 7.42 | 293 | 580 | Deflected and merged | −2 | ||
| 5 | 10 | 0.115 | 9.424 | 285 | 576 | Deflected and merged | −2 | ||
| 6 | 20 | 0.113 | 19.358 | 287 | 642 | Deflected and merged | −2 | ||
| 7 | 40 | 0.086 | 39.188 | 314 | 812 | Deflected and merged | −2 | ||
| Second Phase (FH 20 mm) | |||||||||
| 1 | 20 | 0.4 | 2 | 0.123 | 1.529 | 277 | 471 | Straight and broken | −3 |
| 2 | 4 | 0.188 | 3.58 | 212 | 420 | Deflected | −1 | ||
| 3 | 6 | 0.141 | 5.476 | 259 | 524 | Deflected and merged | −2 | ||
| 4 | 8 | 0.109 | 7.503 | 291 | 497 | Deflected and merged | −2 | ||
| 5 | 10 | 0.137 | 9.505 | 263 | 495 | Deflected and merged | −2 | ||
| 6 | 20 | 0.116 | 19.398 | 284 | 602 | Deflected and merged | −2 | ||
| 7 | 40 | 0.117 | 39.199 | 283 | 801 | Deflected and merged | −2 | ||
| Second Phase (FH 30 mm) | |||||||||
| 1 | 30 | 0.4 | 2 | 0.145 | 1.407 | 255 | 593 | Straight and broken | −3 |
| 2 | 4 | 0.135 | 3.467 | 265 | 533 | Deflected | −1 | ||
| 3 | 6 | 0.135 | 5.304 | 265 | 696 | Deflected and merged | −2 | ||
| 4 | 8 | 0.133 | 7.266 | 267 | 734 | Deflected and merged | −2 | ||
| 5 | 10 | 0.141 | 9.154 | 259 | 846 | Deflected and merged | −2 | ||
| 6 | 20 | 0.131 | 19.145 | 269 | 855 | Deflected and merged | −2 | ||
| 7 | 40 | 0.123 | 38.996 | 277 | 1004 | Deflected and merged | −2 | ||
| Third Phase | |||||||||
| 1 | 10 | 0.5 | 10 | 0.197 | 9.755 | 303 | 245 | Deflected and merged | −2 |
| 2 | 0.6 | 0.328 | 9.858 | 272 | 142 | Deflected | −1 | ||
| 3 | 0.7 | 0.424 | 9.988 | 276 | 12 | Slight Deflection | 0 | ||
| 4 | 0.8 | 0.517 | 9.991 | 283 | 9 | Straight | 1 | ||
| Fourth phase (FH 10 mm) | |||||||||
| 1 | 10 | 0.8 | 2 | 0.537 | 1.994 | 263 | 6 | Straight | 1 |
| 2 | 4 | 0.522 | 3.992 | 278 | 8 | Straight | 1 | ||
| 3 | 6 | 0.516 | 5.994 | 284 | 6 | Straight | 1 | ||
| 4 | 8 | 0.502 | 7.996 | 298 | 4 | Straight | 1 | ||
| 5 | 10 | 0.502 | 9.993 | 298 | 7 | Straight | 1 | ||
| 6 | 20 | 0.506 | 19.996 | 294 | 4 | Straight (Slight Deflection) | 0 | ||
| 7 | 40 | 0.486 | 39.884 | 314 | 116 | Deflected | −1 | ||
| Fourth phase (FH 20 mm) | |||||||||
| 1 | 20 | 0.8 | 2 | 0.514 | 1.995 | 286 | 5 | Straight | 1 |
| 2 | 4 | 0.512 | 3.996 | 288 | 4 | Straight | 1 | ||
| 3 | 6 | 0.491 | 5.992 | 309 | 8 | Straight | 1 | ||
| 4 | 8 | 0.472 | 7.991 | 328 | 9 | Straight | 1 | ||
| 5 | 10 | 0.466 | 9.994 | 334 | 6 | Straight | 1 | ||
| 6 | 20 | 0.454 | 19.989 | 346 | 11 | Straight (Slight Deflection) | 0 | ||
| 7 | 40 | 0.447 | 39.895 | 353 | 105 | Deflected | −1 | ||
| Fourth phase (FH 30 mm) | |||||||||
| 1 | 30 | 0.8 | 2 | 0.502 | 2 | 298 | 0 | Straight | 1 |
| 2 | 4 | 0.485 | 3.998 | 315 | 2 | Straight | 1 | ||
| 3 | 6 | 0.484 | 5.994 | 316 | 6 | Straight | 1 | ||
| 4 | 8 | 0.482 | 7.992 | 318 | 8 | Straight | 1 | ||
| 5 | 10 | 0.488 | 9.996 | 312 | 4 | Straight | 1 | ||
| 6 | 20 | 0.494 | 19.994 | 306 | 6 | Straight (Slight Deflection) | 0 | ||
| 7 | 40 | 0.469 | 39.896 | 331 | 104 | Deflected | −1 | ||