Research Article
High Cycle Fatigue Life Prediction of Single-Crystal Specimen Based on TCD Method and Crystal Plasticity Theory
| Parameters | Symbols | 900°C | 980°C | 1050°C |
| Yield stress (MPa) | | 895.4 | 680.0 | 493.3 | Reference shear stress (MPa) | | 365.5 | 277.6 | 201.4 | Elastic modulus (MPa) | | 91830 | 80530 | 69300 | Shear modulus (MPa) | | 97200 | 85600 | 90000 | Poisson ratio | | 0.386 | 0.390 | 0.399 | Reference shear strain rate (s-1) | | 0.003 | 0.003 | 0.003 | Strain rate sensitivity | | 0.02 | 0.02 | 0.02 | Hardening modulus (MPa) | | 434.5 | 312.0 | 204.8 | Correction stress (MPa) | | 300.0 | 296.4 | 293.3 | Correction parameter | | 1.3 | 1.3 | 1.3 |
|
|