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Linear Elastic Fracture Mechanics for Engineers: Theory and Applications
L. P. Pook
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Abstract
Introduction: Summary References Fracture toughness: Introduction Energy approach to brittle fracture Stress intensity factors Some Mode I stress intensity factor solutions Limitations of the stress intensity factor approach Effects of small scale yielding Slant crack growth in thin sheets Effect of thickness on fracture toughness Effect of notch acuity on fracture toughness R-curves General yielding fracture mechanics Summary References. Plane strain fracture toughness testing: Introduction Specimen types Offset procedure Fatigue precracking Specimen size requirements Klc- Charpy correlations Chevron notch tests Summary References. Fatigue crack growth: Introduction Use of stress intensity factors Fatigue crack growth rate data Mechanisms of fatigue crack growth Threshold for fatigue crack growth Overall fatigue crack growth behaviour Crack closure Short cracks Fatigue crack growth under variable amplitude loading Weighted average stress range Cycle counting Summary References. Fatigue crack growth testing: Introduction Specimen types Specimen size requirement Fatigue precracking Crack path requirement Data reduction The threshold and near threshold crack growth rates Summary References. Fatigue crack paths: Introduction Crack path stability in two dimensions Crack growth from an initial mixed Modes I and II crack Constraints on crack paths in three dimensions Constraints on crack fronts in three dimensions Mode I crack growth in three dimensions Slant crack growth in thin sheets Summary References. Applications: Introduction Modelling of irregular cracks Static failure Constant amplitude fatigue crack growth Variable amplitude fatigue crack growth Proof test logic Leak-before-break Summary References.