Table 1 Tensile response of open-hole 2.5DWC at different temperatures.
Temperature ( °C) | Hole diameter (mm) | Strength (MPa) | Average strength (MPa) | Ch |
|---|---|---|---|---|
20 | 0 | 640.26, 651.31, 637.82 | 643.13 | 1 |
4.1 | 524.58, 500.29 | 512.43 | 0.80 | |
6.3 | 453.89, 481.46 | 467.67 | 0.73 | |
8.5 | 423.30, 427.56 | 425.43 | 0.66 | |
180 | 0 | 503.08, 469.01, 566.03 | 512.71 | 1 |
4.1 | 472.50, 476.17 | 474.34 | 0.93 | |
6.3 | 447.11, 466.50, 442.35 | 451.99 | 0.88 | |
8.5 | 392.41, 378.16 | 385.29 | 0.75 | |
240 | 0 | 508.38, 498.82 | 503.60 | 1 |
4.1 | 332.55, 339.47 | 336.01 | 0.67 | |
6.3 | 329.48, 313.92 | 321.70 | 0.64 | |
8.5 | 319.47, 296.53 | 308.00 | 0.61 |