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Basic fracture mechanics and its applications / Ashok Saxena

By: Resource type: Ressourcentyp: Buch (Online)Book (Online)Language: English Publisher: Boca Raton : CRC Press, 2022Description: 1 Online-Ressource (1 online resource)ISBN:
  • 9781000823769
Subject(s): Additional physical formats: 1000823768 | 9781000823745. | 1000823741 | 9781032267197. | 9781032267197 | Erscheint auch als: 9781032267197 Druck-AusgabeDDC classification:
  • 620.1126
LOC classification:
  • TA409
Online resources: Summary: 1. Fracture in Structural Components 1.1 Fracture in Engineering Materials and Structures: Societal Relevance 1.1.1 Safety Assessments 1.1.2 Environment and Health Hazards 1.1.3 Optimizing Costs (Fuel economy, material costs, opportunity costs) 1.1.4 Product Liability1.2 Examples of Prominent Fractures and the Underlying Causes 1.2.1 Failures in Liberty Ships 1.2.2 Failures of Comet Aircraft 1.2.3 Cracks in A380 Aircrafts 1.2.4 Crack in a Structural Member of an Interstate Highway Bridge 1.2.5 Cracks in Human Bones 1.2.6 Aneurysms in Human Abdominal Aortas 1.3 Degradation Phenomena and Fracture in Engineering Materials and Structures 1.3.1 Crack Initiation/Formation and Growth 1.4 History of Developments in Understanding Fatigue and Fracture 1.4.1 Developments in Understanding of Fatigue 1.4.2 Understanding Brittle and Ductile Fracture 1.4.3 Early Developments in Fracture Mechanics 1.4.4 Developments in Elastic-Plastic Fracture Mechanics 1.4.5 Environment Assisted Cracking 1.4.6 Developments in Time Dependent Fracture Mechanics 1.5 Summary 2. Early Theories of Fracture 2.1 Microscopic Aspects of Fracture 2.1.1 Intergranular and Transgranular Fracture 2.1.2 Equi-Cohesive Temperature 2.1.3 Ductile and Brittle Fracture 2.2 Models of Fracture at Atomic Scale 2.3 Stress Concentration Effects of Flaws 2.4 Griffith's Theory of Brittle Fracture 2.5 Orowan's Modification to Griffith's Theory 2.6 The Concept of Crack Extension Force, G 2.6.1 Estimation of Griffith's Crack Extension Force for an Arbitrary Shaped Body 2.7 Crack Growth Resistance, R 2.8 Predicting Instability in Cracked Structures 2.8.1 Predicting Instability Conditions for a General Case2.9 Summary Appendix 2A: Review of Solid Mechanics2A.1 Stress2A.2 Strain2A.3 Elasticity2A.4 Elastic Strain Energy2A.5 Stress Transformation Equations2A.6 Stress-Strain Behavior 3. Theoretical Basis for Linear Elastic Fracture Mechanics 3.1 Classification of Engineering Structural Materials and Defects 3.2 Stress Analysis of Cracks 3.2.1 Equations of Elasticity 3.2.2 Compatibility Equations 3.2.3 Application of Airy's Stress Function to Crack Problems 3.3 Stress Intensity Parameter, K, for Various Crack Geometries and Loading Configurations by the Westergaard Method 3.4 Crack Tip Displacement Fields 3.5 The Relationship between G and K 3.6 Determining K for Other Loading and Crack Geometries 3.7 Use of Linear Superposition Principle for Deriving K-Solutions 3.8 K-Solutions for 3-D Cracks 3.9 Summary Appendix 3A 3A.1 Cauchy-Riemann Equations 3A.2 Derivation of the Crack Tip Displacement Fields 4. Crack Tip Plasticity 4.1 Estimate of the Plastic Zone Size 4.2 Plasticity Modified Crack Tip Stress Field for SSY4.3 Plastic Zone Shape 4.4 Crack Tip Opening Displacement (CTOD)4.5 Summary Appendix 4A: Plastic Yielding Under Uniaxial and Multiaxial Conditions 4A.1 Uniaxial Stress-Strain Curve 4A.2 Von Mises Yield Criterion for Multiaxial Loading4A.3 Tresca Yield Criterion5. Fracture Toughness and Its Measurement 5.1 Similitude and the Stress Intensity Parameter, K 5.2 Fracture Toughness as a Function of Plate Thickness 5.3 Ductile and Brittle Fracture and the LEFM Approach 5.4 Measurement of Fracture Toughness5.4.1 Measurement of Plane Strain Fracture Toughness, KIc 5.4.2 Fracture Toughness of Thin Panels 5.5 Correlations between Charpy Energy and Fracture Toughness5.5.1 Charpy Energy versus Fracture Toughness Correlation for Lower-Shelf and Lower Transition Region 5.5.2 Charpy Energy versus Fracture Toughness Correlation for Upper-Shelf Region 5.6 Summary Appendix 5A: Compliance Relationships for C(T) and M(T) Specimens 5A.1 Compliance Relationships for C(T) Specimen 5A.2 Compliance and K -- Relationships for M(T) Specimens 6. Fatigue Crack Growth 6.1 Introduction 6.2 Fatigue Crack Growth (or Propagation) Rates 6.2.1 Definitions 6.2.2 Mechanisms of Fatigue Crack Growth 6.2.3 Fatigue Crack Growth Life Estimation 6.3 The Effect of Load Ratio, Temperature and Frequency on Fatigue Crack Growth Rate in the Paris Regime 6.4 Wide Range Fatigue Crack Growth Behavior 6.5 Crack Tip Plasticity during Cyclic Loading6.5.1 Cyclic Plastic Zone 6.5.2 Crack Closure during Cyclic Loading 6.6 Fatigue Cycles Involving Compressive Loading 6.7 Models for Representing Load Ratio Effects on Fatigue Crack Growth Rates 6.8 Fatigue Crack Growth Measurements (ASTM Standard E647) 6.9 Behavior of Small or Short Cracks 6.10 Fatigue Crack Growth Under Variable Amplitude Loading 6.10.1 Effects of Single Overloads/Underloads on Fatigue Crack Growth Behavior 6.10.2 Variable Amplitude Loading 6.11 Summary 7. Environment-Assisted Cracking 7.1 Introduction 7.2 Mechanisms of EAC7.3 Relationship between EAC and K under Static Loading 7.4 Methods of Determining KIEAC 7.5 Relationship betwee KIEAC and Yield Strength and Fracture Toughness 7.6 Environment Assisted Fatigue Crack Growth 7.7 Models for Environment Assisted Fatigue Crack Growth Behavior 7.7.1 Linear Superposition Model 7.7.2 A Model for Predicting the Effect of Hydrogen Pressure on the Fatigue Crack Growth Behavior 7.8 Summary 8. Fracture under Mixed-Mode Loading 8.1 Introduction 8.2 Stress Analysis of Cracks under Mixed-Mode Conditions 8.3 Mixed Mode Considerations in Fracture of Isotropic Materials 8.3.1 Fracture Criterion Based on Energy Available for Crack Extension 8.3.2 Maximum Circumferential Stress Fracture Criterion 8.3.3 Strain Energy Density (SED) as Mixed Mode Fracture Criterion 8.4 Fracture Toughness Measurements Under Mixed-Mode Conditions8.4.1 Fracture in Bones 8.4.2 Measurement of Fracture Toughness in Mode II (KIIc) 8.4.3 Measurement of Interfacial Toughness in Laminate Composites 8.5 Fatigue Crack Growth under Mixed-Mode Loading 8.6 Summary 9. Fracture and Crack Growth under Elastic/Plastic Loading 9.1 Introduction 9.2 Rice's J-Integral 9.3 J-Integral as a Fracture Parameter 9.4 Equations for Determining J in C(T) Specimens 9.5 Fatigue Crack Growth under Gross Plasticity Conditions 9.5.1 Experimental Correlations between da/dN and ∆J 9.6 Summary 10. Creep and Creep-Fatigue Crack Growth 10.1 Introduction 10.2 Creep Crack Growth 10.2.1 C*- Integral 10.2.2 C(t) Integral and the Ct Parameter 10.2.3 Creep Crack Growth in Creep-brittle Materials 10.3 Crack Growth under Creep-Fatigue-Environment Conditions 10.3.1 da/dN versus ∆K correlations 10.3.2 Creep-Fatigue Crack Growth Rates for Long Cycle Times 10.4 Summary 11. Case Studies in Applications of Fracture Mechanics11.1 Introduction 11.1.1 Integrity Assessment of Structures and Components 11.1.2 Material and Process Selection 11.1.3 Design of Remaining Life Prediction 11.1.4 Inspection Criterion and Interval Determination 11.1.5 Failure Analysis 11.2 General Methodology for Fracture Mechanics Analysis 11.3 Case Studies 11.3.1 Optimizing Manufacturing Costs 11.3.2 Reliability of Service-Degraded Steam Turbine Rotors 11.3.3 Design of VePPN: PPN: 1882644891Package identifier: Produktsigel: ZDB-4-NLEBK | BSZ-4-NLEBK-KAUB
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