Contents
PREFACE TO THE SECOND EDITION FOREWORD
CHAPTER ONE. MECHANISMS OF CRACK FORMATION AND GROWTH
1. Fracture mechanics and strength of solid bodies
2. Stress and displacement fields in the vicinity of a crack tip
3. The Griffith-Orowan-Irwin concept. Steady and unsteady crack development
4. The integral variational principle in the crack theory
5. Modified Griffith criterion
6. Variation of the total energy of the system with small increments of the crack length
7. Model of a crack with a thin plastic zone (deltak-model)
8. Invariant J-integral
9. Invariant Г-integrals
10. Conditions for local fracture of piezoelectrics (ПК-criteria)
11. Some alternative criteria of crack development
CHAPTER TWO. STRESS INTENSITY FACTOR
12. The stress intensity factor as a fundamental characteristic of a crack containing material
13. Finite element approach in fracture mechanics
14. Method of the boundary integral equations in fracture mechanics
15. Examples of computation of stress intensity factors by both finite element method and method of boundary integral equation
16. Method of sections for an approximate calculation of the stress intensity factor
17. Some properties of materials characterizing resistance to crack propagation
CHAPTER THREE. CRACKS IN ELASTIC PLASTIC BODIES
18. Solutions of selected plane and three-dimensional problems
19. Torsion and tension of a cylinder containing an external annular crack
20. Structural means for crack arrests (stiffening ribs)
21. Structural methods for crack arrest (repair patches, load relief holes)
22. Crack systems
23. Composite elastic bodies
24. Methods of crack trajectory analysis
CHAPTER FOUR. CRACKS IN ELASTIC-PLASTIC BODIES
25. Experimental study of the plastic zone at the slit-crack tip
26. The plastic zone analysis
27. Critical state of crack-containing plane and space
28. Eastic-plastic problem for a plane containing rectilinear slits
29. Prior-to-critical crack growth
30. Low-cyclic fatigue life
31. Experimental results of single and cyclic loading
32. Life analysis of structural elements based on number of cycles
33. Toughness limit
34. Stress analysis based on the toughness limit
35. Examples of strength analysis with allowance for a crack
CHAPTER FIVE. CRACKS IN LINEAR VISCOELASTIC SOLIDS
36. Viscoelastic analogue to Griffith–Sack problems
37. Viscoelastic-plastic analogues to Griffith and Sack problems
38. Material sensitivity to rate and frequency of load application
39. Delayed fracture of polymer materials
40. Study of crack growth in polymers under tension
