Time-Dependent Fracture Mechanics

1. Structural-Integrity Assessment: The Relevant Fracture-Toughness Evaluation. - 1. 1 The Energy Approach: The Ductile-to-Brittle Transition (DBT) and the Fracture Analysis Diagram (FAD). - 1. 2 Low-Toughness Materials. - 1. 3 Determination of Dynamic Fracture Toughness by Instrumented Pre-Cracked Charpy Impact Testing. - 1. 4 The Ductile to Brittle Transition and Fracture Toughness. - 1. 5 Measurement of Flow and Fracture Behaviors Using Miniature-Scale and Compound Specimens. - Appendix I: The Constraint Issue. - Appendix II: Warm Pre-Stressing Effect. - Appenidix III: Choice of Steel Qualities with Regard to the Risk of Brittle Fracture. - 2. Structural Integrity Assessment: The Relevant Loading Evaluation. - 2. 1 Procedures for Pure Mechanical Loading at Low Temperature. - 2. 2 Procedures for Combined Loading. - 2. 3 Safety Margins. - 2. 4 Assessment Methods at High Temperature. - Appendix I: Probabilistic Integrity Analysis of Mechanical Components. - 3. Dynamic Fracture: Elementary Dynamics and Microscopic Fracture. - 3. 1 Dynamic Behavior of a Material. - 3. 2 Fracture Micromechanisms. - 4. Dynamic Fracture: The St Ationary Crack. - 4. 1 Linear Elastic Analysis of the TwoDimensional Crack. - 4. 2 Crack Speed and Thermal-Field Measurements. - 4. 3 Testing Methods and Fracture Criteria in Mode 1. - 4. 4 Main Results on Toughness. - 4. 5 Local Approach to Fracture and Continuum Damage Mechanics. - 4. 6 Testing Methods and Fracture Criteria in Mode II. - 4. 7 Mixed-Mode Dynamic Crack Initiation. - 5. Dynamic Fracture: The Moving Crack. - 5. 1 Linear Elastic Modeling of Crack Growth. - 5. 2 Elastic-Plastic Modeling ofCrack Growth. - 5. 3 Mechanistic Models of Crack Growth. - 6. Creep Fracture: Creep Laws And Elementary Microscopic Fracture Models. - 6. 1 Creep Flow Behavior. - 6. 2 Mechanistic-Creep Failure Analysis. -6. 3 Fracture Parameters. - 6. 4 Continuum-Damage Mechanics. - Appendix I. - Appendix II. - Appendix III. - 7. Creep Fracture Mechanics. - 7. l The Stationary Crack. - 7. 2 The Moving Crack. - 7. 3. Relationship Between Micromechanisms and Macromechanics. - 7. 4. Recommended Practice for Determining Creep-Crack Growth in a Material. - 7. 5. The Stationary Crack Under Mixed-Mode Loading. - 8. Fatigue and Creep-Fatigue. - 8. 1 Fatigue Creep and Creep-Fatigue Damage. - 8. 2 Fatigue Creep and Creep-Fatigue Crack Propagation. - Guide for Further Reading and Bibliography. - Answers to Selected Exercises. Language: English