Research Article
Multiaxial Cycle Deformation and Low-Cycle Fatigue Behavior of Mild Carbon Steel and Related Welded-Metal Specimen
Table 4
Fatigue test and analysis results for base-metal and welded-metal specimens.
| Strain paths | | | | | | | | | | (%) | (%) | (MPa) | (MPa) | (%) | (%) | (MPa) |
| Base-metal fatigue test | UA | 0.60 | 0 | 0 | 270 | 0 | 0.87 | 0.16 | 135 | 3443 | UA | 0.60 | 0 | 0 | 273 | 0 | 0.87 | 0.16 | 137 | 4012 | UA | 0.80 | 0 | 0 | 289 | 0 | 1.17 | 0.21 | 145 | 1643 | UA | 0.80 | 0 | 0 | 288 | 0 | 1.17 | 0.21 | 144 | 1817 | UA | 1.03 | 0 | 0 | 302 | 0 | 1.51 | 0.27 | 151 | 1257 | UA | 1.01 | 0 | 0 | 299 | 0 | 1.49 | 0.27 | 149 | 1254 | IP | 0.27 | 0.50 | 1.852 | 194 | 88 | 0.63 | 0.08 | 119 | 16269 | IP | 0.42 | 0.74 | 1.762 | 196 | 105 | 0.96 | 0.11 | 107 | 4443 | IP | 0.42 | 0.74 | 1.762 | 195 | 107 | 0.96 | 0.11 | 102 | 4535 | IP | 0.56 | 0.96 | 1.714 | 214 | 108 | 1.26 | 0.15 | 119 | 2929 | IP | 0.56 | 0.97 | 1.732 | 213 | 108 | 1.27 | 0.15 | 118 | 2971 | IP | 0.71 | 1.25 | 1.761 | 219 | 111 | 1.63 | 0.19 | 123 | 1475 | IP | 0.71 | 1.18 | 1.662 | 218 | 110 | 1.58 | 0.19 | 117 | 2053 | OP | 0.40 | 0.69 | 1.725 | 305 | 176 | 0.69 | 0.17 | 313 | 1494 | OP | 0.40 | 0.70 | 1.750 | 306 | 170 | 0.70 | 0.17 | 312 | 1519 | OP | 0.51 | 0.85 | 1.667 | 326 | 182 | 0.81 | 0.22 | 322 | 1002 | OP | 0.50 | 0.81 | 1.620 | 321 | 181 | 0.85 | 0.22 | 326 | 992 | OP | 0.61 | 1.01 | 1.656 | 336 | 189 | 1.01 | 0.27 | 336 | 703 | OP | 0.61 | 0.99 | 1.623 | 329 | 186 | 0.99 | 0.27 | 329 | 642 |
| Welded-metal fatigue test | UA | 0.61 | 0 | 0 | 295 | 0 | 0.89 | 0.17 | 147 | 289 | UA | 0.60 | 0 | 0 | 293 | 0 | 0.87 | 0.16 | 146 | 432 | UA | 0.81 | 0 | 0 | 313 | 0 | 1.18 | 0.22 | 156 | 118 | UA | 0.80 | 0 | 0 | 315 | 0 | 1.17 | 0.22 | 157 | 177 | UA | 1.02 | 0 | 0 | 329 | 0 | 1.50 | 0.27 | 164 | 70 | UA | 1.00 | 0 | 0 | 334 | 0 | 1.47 | 0.27 | 167 | 60 | IP | 0.28 | 0.49 | 1.750 | 189 | 104 | 0.63 | 0.08 | 102 | 2697 | IP | 0.42 | 0.75 | 1.786 | 221 | 121 | 0.96 | 0.12 | 118 | 1262 | IP | 0.42 | 0.74 | 1.762 | 220 | 122 | 0.97 | 0.12 | 120 | 701 | IP | 0.57 | 1.01 | 1.772 | 230 | 131 | 1.31 | 0.15 | 127 | 384 | IP | 0.56 | 1.00 | 1.786 | 241 | 134 | 1.29 | 0.15 | 129 | 393 | IP | 0.71 | 1.25 | 1.761 | 253 | 128 | 1.63 | 0.19 | 142 | 160 | IP | 0.70 | 1.27 | 1.814 | 243 | 129 | 1.63 | 0.19 | 135 | 145 | OP | 0.40 | 0.69 | 1.725 | 345 | 195 | 0.69 | 0.18 | 345 | 359 | OP | 0.41 | 0.68 | 1.659 | 335 | 190 | 0.68 | 0.19 | 335 | 388 | OP | 0.49 | 0.88 | 1.796 | 350 | 198 | 0.91 | 0.23 | 362 | 220 | OP | 0.50 | 0.91 | 1.820 | 362 | 207 | 0.88 | 0.24 | 356 | 172 | OP | 0.63 | 1.03 | 1.635 | 405 | 234 | 0.88 | 0.23 | 390 | 98 | OP | 0.56 | 1.07 | 1.911 | 410 | 237 | 1.03 | 0.30 | 383 | 76 |
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