Research Article
A Fracture Criterion for Prediction of Fracture Initiation of Metal Materials at Various Stress States for Nuclear Waste Storage
Table 1
The experimental data points of QT400-15 nodular cast iron in combined tension-torsion tests.
| P/T | 0.0 | 0.17 | 0.38 | 0.72 | | (kN) | 0.0 | 15.5 | 25.3 | 34.4 | 42.1 | (N·m) | 115.5 | 90.3 | 66.7 | 47.2 | 0.0 | (MPa) | 588.5 | 568.6 | 555.0 | 544.4 | 536.6 | (MPa) | 0 | 0 | 0 | 0 | 0 | (MPa) | −588.5 | −371.6 | −214.4 | −106.2 | 0.0 | | 0.0 | 0.08 | 0.16 | 0.24 | 0.33 | (°) | 42 | 38 | 32 | 22 | 0 | (°) | 45 | 39 | 33 | 24 | 0 |
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