Table 3 Fracture toughness and impact crack initiation energy from tests
Material | No. | JIC (N/mm) | JID (N/mm) | KV2i (J) |
|---|---|---|---|---|
S30408 | 1 | 118.60 | 269.55 | 21.76 |
2 | 120.10 | 272.95 | 22.05 | |
SA508-3 | 1 | 146.07 | 331.98 | 16.19 |
2 | 130.39 | 296.34 | 18.26 | |
Q345R | 1 | 175.97 | 399.93 | 11.64 |
2 | 168.00 | 381.82 | 13.10 | |
18MnMoNbR | 1 | 231.00 | 525.00 | 17.46 |
2 | 250.27 | 568.80 | 17.82 |