Research Article
Mechanical Behavior of Q460 High-Strength Steel under Low-Cycle Fatigue Loading
| Specimen label | E (×105 MPa) | fy (MPa) | fu (MPa) | εu | ε | fy/fu | W (%) | Em (J) | n (cycles) | Failure mode |
| H-A-1 | 2.11 | 549 | 626 | 11.00 | 18.94 | 0.62 | 22.40 | 444 | 1 | I | H-B-1 | 1.97 | 480 | 509 | 1.59 | 2.32 | 0.71 | 4.00 | 49 | 1 | II | H-C-1 | 2.00 | 321 | 462 | 5.09 | 9.86 | 0.68 | 14.00 | 154 | 1 | II | H-D-1 | 1.92 | 280 | 419 | 6.38 | 13.45 | 0.64 | 16.00 | 199 | 1 | II | H-A-2 | 2.14 | 548 | 632 | 12.00 | 19.72 | 0.62 | 27.00 | 476 | 9 | I | H-B-7 | 1.94 | 510 | 603 | 5.02 | 6.52 | 0.54 | 10.00 | 145 | 9 | III | H-C-9 | 2.23 | 316 | 452 | 3.81 | 5.73 | 0.65 | 16.00 | 74 | 9 | III | H-D-9 | 2.11 | 368 | 414 | 6.14 | 12.98 | 0.65 | 18.00 | 200 | 9 | III | H-A-3 | 2.16 | 550 | 625 | 11.95 | 18.89 | 0.60 | 25.60 | 445 | 6 | I | H-B-8 | 1.96 | 450 | 560 | 2.67 | 3.74 | 0.57 | 6.00 | 87 | 8 | III | H-C-10 | 2.24 | 303 | 443 | 4.67 | 4.63 | 0.67 | 14.00 | 66 | 7 | III | H-D-10 | 2.14 | 370 | 414 | 5.46 | 11.78 | 0.65 | 15.00 | 179 | 7 | III | H-C-11 | 2.13 | 305 | 452 | 5.30 | 10.68 | 0.66 | 15.00 | 158 | 12 | III | H-D-11 | 2.13 | 385 | 423 | 6.22 | 13.09 | 0.67 | 17.00 | 208 | 12 | III | H-A-4 | 2.17 | 546 | 613 | 11.19 | 18.82 | 0.61 | 26.60 | 447 | 9 | I | H-C-12 | 2.13 | 321 | 460 | 5.04 | 8.94 | 0.69 | 12.70 | 142 | 11 | III | H-D-12 | 2.14 | 373 | 417 | 6.73 | 13.73 | 0.66 | 17.00 | 213 | 11 | III | H-C-13 | 2.18 | 301 | 451 | 4.34 | 10.81 | 0.67 | 14.00 | 162 | 20 | III | H-D-13 | 2.23 | 368 | 406 | 6.74 | 13.85 | 0.66 | 18.00 | 213 | 20 | III | L-A-1 | 2.11 | 556 | 683 | 18.83 | 28.21 | 0.45 | 29.60 | 1226 | 1 | I | L-B-1 | 2.29 | 479 | 601 | 1.98 | 3.45 | 0.63 | 7.00 | 174 | 1 | II | L-C-1 | 2.08 | 382 | 450 | 5.74 | 10.05 | 0.63 | 16.00 | 306 | 1 | II | L-D-1 | 2.25 | 426 | 520 | 7.06 | 14.83 | 0.44 | 22.00 | 606 | 1 | II | L-A-2 | 2.18 | 515 | 708 | 8.73 | 16.18 | 0.59 | 24.40 | 939 | 9 | I | L-B-14 | 1.84 | 350 | 564 | 2.15 | 2.88 | 0.62 | 6.00 | 143 | 9 | III | L-C-9 | 2.05 | 315 | 456 | 6.08 | 11.78 | 0.63 | 14.40 | 353 | 9 | III | L-D-9 | 1.88 | 350 | 529 | 6.70 | 13.14 | 0.67 | 18.00 | 525 | 9 | III | L-A-3 | 2.20 | 551 | 701 | 8.54 | 17.42 | 0.64 | 24.00 | 954 | 6 | I | L-B-15 | 1.90 | 316 | 581 | 1.52 | 2.83 | 0.54 | 7.10 | 124 | 6 | III | L-C-10 | 2.30 | 329 | 446 | 6.44 | 12.46 | 0.65 | 14.00 | 354 | 7 | III | L-D-10 | 2.03 | 363 | 567 | 5.29 | 11.79 | 0.64 | 17.60 | 505 | 7 | III | L-A-4 | 2.34 | 543 | 712 | 8.82 | 19.43 | 0.62 | 26.00 | 1096 | 10 | I | L-B-16 | 1.89 | 342 | 614 | 2.00 | 2.32 | 0.56 | 4.80 | 146 | 10 | III | L-C-11 | 2.31 | 369 | 445 | 6.50 | 11.50 | 0.61 | 13.60 | 333 | 12 | III | L-D-11 | 1.96 | 333 | 545 | 4.53 | 9.52 | 0.61 | 16.00 | 411 | 12 | III | L-C-12 | 1.82 | 373 | 454 | 5.92 | 11.37 | 0.60 | 16.00 | 351 | 11 | III | L-D-12 | 2.17 | 351 | 545 | 4.88 | 12.04 | 0.65 | 18.00 | 538 | 11 | III | L-C-13 | 2.01 | 402 | 449 | 5.51 | 9.47 | 0.67 | 12.40 | 288 | 20 | III | L-D-13 | 2.16 | 353 | 549 | 5.26 | 12.64 | 0.64 | 16.00 | 544 | 20 | III | R-A-1 | 2.30 | 550 | 742 | 11.39 | 17.16 | 0.61 | 20.00 | 334 | 1 | I | R-A-3 | 2.05 | 554 | 721 | 9.93 | 16.85 | 0.55 | 22.00 | 334 | 6 | I | R-A-4 | 2.04 | 561 | 714 | 10.04 | 14.74 | 0.56 | 21.50 | 292 | 10 | I | R-A-5 | 1.95 | 563 | 698 | 9.67 | 12.72 | 0.56 | 16.00 | 243 | 9 | I | R-A-6 | 1.96 | 573 | 737 | 9.72 | 17.90 | 0.55 | 24.00 | 358 | 16 | I |
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