Advanced fracture mechanics and structural integrity / Ashok Saxena.

Cover; Half Title; Title Page; Copyright Page; Contents; Preface; Acknowledgments; Author; 1. Introduction and Review of Linear Elastic Fracture Mechanics; 1.1 Why Nonlinear Fracture Mechanics; 1.1.1 Failures in Reheat Steam Pipes; 1.1.2 Failure of a Steam Turbine Rotor; 1.1.3 Cracks in a Superheater Outlet Steam Header; 1.1.4 Cracks in Ship's Steam Turbine-Generator Casings; 1.2 Review of LEFM; 1.2.1 Basic Concepts; 1.2.1.1 Energy Balance Approaches to Fracture; 1.2.1.2 Stress Intensity Parameter Approach; 1.2.1.3 The Equivalence of G and K; 1.3 Crack Tip Plasticity

1.3.1 Irwin's Plastic Zone Size Calculation1.3.2 Relationship between K and Crack Tip Opening Displacement; 1.3.3 Shape of the Plastic Zone; 1.3.4 Strip Yield Model; 1.4 Compliance Relationships; 1.5 Fracture Toughness and Predicting Fracture in Components; 1.5.1 Fracture under Plane Strain Conditions (Thick Sections); 1.5.2 Fracture in Thin Plates and Sheets; 1.6 Subcritical Crack Growth; 1.6.1 Fatigue Crack Growth; 1.6.2 Environment-Assisted Cracking; 1.6.3 Corrosion-Fatigue Crack Growth; 1.7 Limitations of LEFM; 1.8 Summary; 1.9 References; 1.10 Exercise Problems

2.6 References2.7 Exercise Problems; Appendix 2.1: Hutchinson, Rice, Rosengren (Hrr) Singular Field Quantities; 3. Methods of Estimating J-Integral; 3.1 Analytical Solutions; 3.2 Determination of J in Test Specimens; 3.2.1 Semi-Empirical Methods of Determining J; 3.2.2 J for a Deep Edge Crack Specimen Subject to Pure Bending, SEC(B); 3.2.3 Merkle-Corten Analysis of a Compact Specimen; 3.2.4 J for Center Crack Tension Geometry; 3.3 J for Growing Cracks; 3.4 Estimating J-Integral for Cracked Components; 3.4.1 Elastic-Plastic Estimation Procedure; 3.4.2 J-Solutions for Cracks in Infinite Bodies

3.5 Summary3.6 References; 3.7 Exercise Problems; Appendix 3.1; 4. Crack Growth Resistance Curves and Measures of Fracture Toughness; 4.1 Fracture Parameters under Elastic-Plastic Loading; 4.2 Experimental Methods for Determining Stable Crack Growth and Fracture; 4.2.1 Overall Test Method; 4.2.2 Test Specimen Geometries and Preparation; 4.2.3 Loading Apparatus and Displacement Gauges; 4.2.4 Crack Length Measurement; 4.2.5 Final Loading of the Specimen and Post-test Measurements; 4.2.6 Data Analysis and Qualification; 4.3 Summary; 4.4 References; 4.5 Exercise Problems

Advanced Fracture Mechanics and Structural Integrity is organized to cover quantitative descriptions of crack growth and fracture phenomena. The mechanics of fracture are explained, emphasizing elastic-plastic and time-dependent fracture mechanics. Applications are presented, using examples from power generation, aerospace, marine, and chemical industries, with focus on predicting the remaining life of structural components and advanced testing metods for structural materials. Numerous examples and end-of-chapter problems are provided, along with references to encourage further study.The book is written for use in an advanced graduate course on fracture mechanics or structural integrity.

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