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Table of contents
1 Context and motivation
1.1 Introduction
1.2 Fatigue in nuclear components: industrial context of the study
2 State of the art
2.1 Fatigue of metallic materials: background information and theory
2.2 Literature review on fatigue crack initiation
2.3 Literature review on fatigue crack propagation
2.4 Conclusion
3 Growth of extrusions in cyclically deformed f.c.c. metals and alloys
3.1 Introduction
3.2 Constitutive equations
3.3 Modelling hypotheses
3.4 Prediction of extrusion growth
3.5 Stress field analysis and fatigue crack initiation
3.6 Conclusion
4 Plastic deformation and underlying crystal defects in the vicinity of fatigue crack-tip
4.1 Introduction
4.2 Computational method
4.3 Dislocation emission from crack-tip and plastic deformation localization
4.4 Plastic deformation mechanisms and lattice defects
4.5 Plastic irreversibility
4.6 Conclusion
5 Fatigue crack growth in copper single crystals at room temperature
5.1 Introduction
5.2 Fatigue crack growth rates
5.3 Fatigue crack growth mechanisms at nanoscale
5.4 Crack geometry
5.5 Conclusion
6 Effect of temperature and stacking fault energy
6.1 Introduction
6.2 Computational methodology
6.3 Effect of temperature on fatigue crack behavior
6.4 Effect of stacking fault energy
6.5 Conclusion
7 Fatigue crack growth under mixed mode
7.1 Introduction
7.2 Computational methods
7.3 Plastic deformation
7.4 Propagation
7.5 Conclusion
8 Conclusions and future research directions
A Engineering moduli
B Metals properties
C LEFM stress fields around crack-tip in anisotropic bodies
D Proportion of different types of dislocations in copper single crystals
D.1 Effect of crystal orientation
D.2 Effect of temperature
D.3 Proportion of different dislocation types in different fcc metals Fatigue crack initiation and propagation
D.4 Effect of loading amplitude on the proportion of different dislocation types in nickel
D.5 Proportion of different dislocation type under mixed mode loading
E Crack propagation rates
E.1 Effect of temperature
E.2 Effect of SFE (material)
F Dislocation microstructures
F.1 Effect of temperature
Bibliography
