Springer书籍:Fracture Mechanics by E.E. Gdoutos 2005
Contents
Conversion table ix
Preface to the Second Edition xi
Preface xiii
1. Introduction 1
1.1. Conventional failure criteria 1
1.2. Characteristic brittle failures 3
1.3. Griffith's work 5
1.4. Fracture mechanics 10
References 13
2. Linear Elastic Stress Field in Cracked Bodies 15
2.1. Introduction 15
2.2. Crack deformation modes and basic concepts 15
2.3. Westergaard method 17
2.4. Singular stress and displacement fields 20
2.5. Stress intensity factor solutions 27
2.6. Three-dimensional cracks 28
Examples 29
Problems 37
Appendix 2.1 53
References 55
3. Elastic-Plastic Stress Field in Cracked Bodies 57
3.1. Introduction 57
3.2. Approximate determination of the crack-tip plastic zone 58
3.3. Irwin's model 63
3.4. Dugdale's model 65
Examples 68
Problems 73
References 76
4. Crack Growth Based on Energy Balance 79
4.1. Introduction 79
4.2. Energy balance during crack growth 80
4.3. Griffith theory 81
4.4. Graphical representation of the energy balance equation 82
4.5. Equivalence between strain energy release rate
and stress intensity factor 86
4.6. Compliance 89
4.7. Crack stability 91
Examples 94
Problems 106
References 116
5. Critical Stress Intensity Factor Fracture Criterion 117
5.1. Introduction 117
5.2. Fracture criterion 118
5.3. Variation of Kc with thickness 118
5.4. Experimental determination of K\c \T1
5.5. Crack growth resistance curve (Л-curve) method 128
5.6. Fracture mechanics design methodology 133
Examples 134
Problems 145
Appendix 5.1 150
References 151
6. /-Integral and Crack Opening Displacement Fracture Criteria 153
6.1. Introduction 153
6.2. Path-independent integrals 153
6.3. /-integral 155
6.4. Relationship between the /-integral and potential energy 158
6.5. /-integral fracture criterion 160
6.6. Experimental determination of the /-integral 161
6.7. Stable crack growth studied by the /-integral 169
6.8. Crack opening displacement (COD) fracture criterion 170
Examples 176
Problems 184
References 192
7. Strain Energy Density Failure Criterion: Mixed-Mode Crack
Growth 195
7.1. Introduction 195
7.2. Volume strain energy density 196
7.3. Basic hypotheses 199
7.4. Two-dimensional linear elastic crack problems 201
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7.5. Uniaxial extension of an inclined crack 203
7.6. Ductile fracture 209
7.7. The stress criterion 213
Examples 215
Problems 228
References 238
8. Dynamic Fracture 239
8.1. Introduction 239
8.2. Mott's model 240
8.3. Stress field around a rapidly propagating crack 243
8.4. Strain energy release rate 246
8.5. Crack branching 248
8.6. Crack arrest 250
8.7. Experimental determination of crack velocity and
dynamic stress intensity factor 250
Examples 253
Problems 260
References 263
9. Fatigue and Environment-Assisted Fracture 265
10. Micromechanics of Fracture 293
References 303
11. Composite Materials 305
11.1. Introduction 305
11.2. Through-thickness cracks 306
Exam
Probk
Introduction
Fatigue crack propagation laws
Fatigue life calculations
Variable amplitude loading
Environment-assisted fracture
References
Micromechanics of Fracture
Introduction
Cohesive strength of solids
Cleavage fracture
Inter granular fracture
Ductile fracture
Crack detection methods
11.3. Interlammar fracture 311
References 322
Thin Films 323
12.1. Introduction 323
12.2. Interfacial failure of a bimaterial system 324
12.3. Steady-state solutions for cracks in bilayers 328
12.4. Thin films under tension 331
12.5. Measurement of interfacial fracture toughness 333
References 338
Nanoindentation 339
13.1. Introduction 339
13.2. Nanoindentation for measuring Young's modulus and hardness 339
13.3. Nanoindentation for measuring fracture toughness 343
13.4. Nanoindentation for measuring interfacial fracture
toughness - Conical indenters 346
13.5. Nanoindentation for measuring interfacial fracture
toughness - Wedge indenters 350
References 352
Cementitious Materials 353
14.1. Introduction 353
14.2. Why fracture mechanics of concrete? 354
14.3. Tensile behavior of concrete 355
14.4. The fracture process zone 357
14.5. Fracture mechanics 359
14.6. Modelling the fracture process zone 359
14.7. Experimental determination of G\c 361
14.8. Size effect 363
14.9. Fiber reinforced cementitious materials (FRCMs) 365
References 365
Index 367
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