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| Preface | |
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| Notch effects in fracture and fatigue | |
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| Notch effects in fracture | |
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| Notch effects in fatigue | |
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| Conclusion | |
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| Stress distribution at notch tip | |
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| Introduction | |
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| Elastic stress distribution at notch tip | |
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| Stress distribution at notch tip for perfectly plastic material | |
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| Stress distribution for an elastic perfectly plastic material | |
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| Elastoplastic stress distribution for a strain hardening material | |
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| Conclusion | |
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| Stress concentration factor | |
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| Definition of the stress concentration factor | |
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| Elastoplastic stress and strain concentration factor | |
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| Relationship between the elastic and elasto-plastic concentration stress and strain concentration factors and the elastic one | |
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| Evolution of elastic and elasto-plastic stress (or strain) concentration factor with net stress | |
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| Comparison of evolution with net stress | |
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| Conclusion | |
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| Concept of notch stress intensity factor and stress criteria for fracture emanating from notches | |
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| Introduction | |
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| Concept of stress intensity factor | |
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| Concept of notch stress intensity factor | |
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| Global stress criterion for fracture emanating from notches | |
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| Local stress criterion for fracture emanating from notches | |
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| Notch sensitivity in mixed mode fracture | |
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| Conclusion | |
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| Energy criteria for fracture emanating from notches | |
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| Introduction | |
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| Influence of notch radius on the J integral | |
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| Influence of notch radius on the &zgr; coefficients | |
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| Local energy criterion for fracture emanating from notches | |
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| Conclusion | |
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| Strain criteria for fracture emanating from notches | |
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| Introduction | |
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| Critical strain criterion for fracture emanating from notch | |
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| Strain distribution at the notch tip | |
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| Notch plastic zone | |
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| Conclusion | |
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| The use of notch specimens to evaluate the ductile to brittle transition temperature; the Charpy impact test | |
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| History of the Charpy impact test | |
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| Stress distribution at notch tip of a Charpy specimen | |
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| Local stress fracture criterion for Charpy V notch specimens | |
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| Influence of notch geometry on brittle-ductile transition in Charpy tests | |
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| Instrumented Charpy impact test | |
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| Equivalence fracture toughness KIc and impact resistance KCV | |
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| Conclusion | |
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| Notch effects in fatigue | |
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| Notch effects in fatigue and fatigue strength reduction factor | |
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| Relation between fatigue strength reduction factor and stress concentration factor | |
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| Volumetric approach | |
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| Influence of loading mode | |
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| Notch effects in low cycle fatigue | |
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| Conclusion | |
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| Role of stress concentration on fatigue of welded joints | |
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| Introduction | |
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| Stress concentration factor in welding cords | |
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| Fatigue strength reduction factor | |
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| Standard methods for the design against fatigue of welded components | |
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| Innovative methods for the design against fatigue of welded joints | |
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| Application of the effective stress concept to fatigue corrosion of welded joints | |
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| Conclusion | |
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| Short fatigue crack growth emanating from notches | |
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| Short cracks emanating from smooth surface | |
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| Short cracks emanating from notches | |
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| The role of the cyclic notch plastic zone | |
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| Stress intensity factor for short cracks and crack propagation | |
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| Conclusion | |
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| List of symbols | |
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| Index | |