Dynamic fracture mechanics

Arun Shukla9812568409, 9789812568403

Covering a wide variety of topics in dynamic fracture mechanics, this volume presents state-of-the-art experimental techniques and theoretical analysis on dynamic fracture in standard and exotic materials. Written by world renowned researchers, this valuable compendium contains eleven chapters on crack initiation, crack propagation, crack arrest, crack-stress wave interactions, and experimental, analytical and numerical methods in dynamic fracture mechanics.

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Table of contents :
Contents……Page 8
Preface……Page 6
1 Modeling Dynamic Fracture Using Large-Scale Atomistic Simulations……Page 9
1 Introduction……Page 10
2 Large-scale atomistic modeling of dynamic fracture: A fundamental viewpoint……Page 13
3 Constrained cracks in homogeneous materials: How fast can cracks propagate?……Page 16
4 Dynamical crack tip instabilities……Page 32
5 Dynamic crack propagation along interfaces between dissimilar materials: Mother- daughter- and granddaughter cracks……Page 50
6 Summary and conclusion……Page 68
Acknowledgments……Page 69
References……Page 70
1 Introduction……Page 77
2 Mode I initiation toughness: Compact compression Specimen and H integral……Page 79
3 The one-point impact technique……Page 83
4 Specific issues related to the one-point impact technique……Page 86
5 Characteristic experimental results……Page 94
6 On the rate sensitivity of the dynamic initiation toughness……Page 97
7 Dynamic mode II loading……Page 100
8 Effects of thermomechanical couplings in fracture……Page 104
9 Discussion and conclusion……Page 107
References……Page 109
1 Introduction……Page 112
2 A quantitative comparison of the equation of motion with experiment……Page 118
3 Instability in dynamic fracture……Page 124
4 Crack Front Waves……Page 135
5 Three Dimensional Effects and Crack Front Inertia……Page 143
6 Discussion and conclusions……Page 147
References……Page 152
1 Photoelasticity……Page 155
2 Coherent Gradient Sensing (CGS)……Page 170
3 Moire interferometry……Page 195
References……Page 203
1 Introduction……Page 207
2 Strain gage instrumentation……Page 208
3 Dynamic fracture in isotropic and homogeneous media……Page 209
4 Dynamic fracture in orthotropic composites……Page 222
5 Dynamic interfacial fracture of isotropic bi-materials……Page 224
6 Dynamic fracture of interface between isotropic and orthotropic materials……Page 235
References……Page 242
1 Basic Concepts……Page 244
2 Measurement of dynamic fracture toughness……Page 246
3 Characterization of crack arrest toughness……Page 251
4 Large-scale crack arrest tests……Page 265
5 Characterization of the crack arrest transition curve……Page 273
6 Summary……Page 275
References……Page 276
1 Introduction……Page 281
2 Elastodynamic stress strain and displacement fields for steady state crack propagation……Page 286
3 Elastodynamic stress strain and displacement fields for transient crack propagation……Page 300
4 Closure……Page 307
Appendix……Page 310
References……Page 316
8 Dynamic Fracture Initiation Toughness at Elevated Temperatures With Application to the New Generation of Titanium Aluminides Alloys……Page 318
1 Introduction……Page 319
2 The Modified Split Hopkinson Pressure Bar (MSHPB)……Page 322
3 Experimental work……Page 327
4 Results and discussions……Page 330
References……Page 344
9 Dynamic Fracture of Nanocomposite Materials……Page 347
1 Introduction……Page 348
2 Nanocomposite fabrication……Page 350
3 Dynamic fracture……Page 354
4 Closure……Page 370
References……Page 372