Fracture mechanics - Fundamentals and applications

Preface INTRODUCTION History and Overview Why Structures Fail Historical Perspective The Fracture Mechanics Approach to Design Effect of Material Properties on Fracture A Brief Review of Dimensional Analysis References FUNDAMENTAL CONCEPTS Linear Elastic Fracture Mechanics An Atomic View of Fracture Stress Concentration Effect of Flaws The Griffith Energy Balance The Energy Release Rate Instability and the R Curve Stress Analysis of Cracks Relationship Between K and G Plane Stress versus Plane Strain K as a Failure Criterion Mixed-Mode Fracture References Appendix: Mathematical Foundations of Linear Elastic Fracture Mechanics Plane Elasticity Crack Growth Instability Analysis Crack Tip Stress Analysis Elliptical Integral of the Second Kind Elastic-Plastic Fracture Mechanics Crack Tip Opening Displacement The J Contour Integral Relationship between J and CTOD Crack Growth Resistance Curves J-Controlled Fracture Crack-Tip Constraint Under Large-Scale Yielding References Appendix: Mathematical Foundations of Elastic-Plastic Fracture Mechanics Determining CTOD From the Strip Yield Model The J Contour Integral J as a Nonlinear Energy Release Rate The HRR Singularity Analysis of Stable Crack Growth in Small Scale Yielding Notes on the Applicability of Deformation Plasticity to Crack Problems Dynamic and Time-Dependent Fracture Dynamic Fracture and Crack Arrest Creep Crack Growth Viscoelastic Fracture Mechanics Elastodynamic Crack Tip Fields Derivation of the Generalized MATERIAL BEHAVIOR Fracture Mechanisms in Metals Ductile Fractures Cleavage The Ductile-Brittle Transition Intergranular Fracture References Appendix: Statistical Modeling of Cleavage Fracture Weakest Link Fracture Incorporating a Conditional Probability of Propagation Fracture Mechanisms in Nonmetals Engineering Plastics Ceramics and Ceramic Composites Concrete and Rock References APPLICATIONS Fracture Toughness Testing of Metals General Considerations Klc Testing K-R Curve Testing J Testing of Metals CTOD Testing Dynamic and Crack Arrest Toughness Fracture Testing Weldments Testing and Analysis of Steels in the Ductile-Brittle Transition Region Qualitative Toughness Tests References Appendix: Experimental Estimates of Deformation J Fracture Testing of Nonmetals Fracture Toughness Measurements in Engineering Plastics Interlaminar Toughness of Composites Ceramics References Application to Structures Linear Elastic Fracture Mechanics The ASME Reference Curves The CTOD Design Curve Failure Assessment Diagrams The EPRI J Estimation Scheme The Reference Stress Approach Comparison of Driving Force Equations The PD 6493 Method The R6 Method Probabilistic Fracture Mechanics Limitations of Existing Approaches References Fatigue Crack Propagation Similitude in Fatigue Empirical Fatigue Crack Outgrowth Equations Crack Closure Variable Amplitude Loading and Retardation Growth of Short Cracks Micromechanisms of Fatigue Experimental Measurement of Fatigue Crack Growth References Appendix: Application of the J Contour Integral to Cyclic Loading Definition of DJ Path Independence of DJ Small Scale Yielding Limit Computational Fracture Mechanics Overview of Numerical Methods Traditional Methods in Computational Fracture Mechanics The Energy Domain Integral Mesh Design Limitations of Numerical Fracture Analysis References Appendix: Properties of Singularity Elements Quadrilateral Element Triangular Element REFERENCE MATERIAL Compilation of K, J, Compliance and Limit Load Solutions Through-Thickness Cracks-Flat Plates Part-Through Cracks-Flat Plates Flawed Cylinders References Practice Problems INDEX