Preface | p. xi |
Acknowledgements | p. xii |
List of Symbols | p. xiii |
Stress Analysis | |
Introduction | p. 1 |
Cauchy Definition of Stress | p. 4 |
Three Dimensional Stress Analysis | p. 7 |
Principal Stresses and Invariants | p. 15 |
Principal Stresses as Co-ordinates | p. 21 |
Alternative Stress Definitions | p. 27 |
Bibliography | p. 31 |
Exercises | p. 31 |
Strain Analysis | |
Introduction | p. 33 |
Infinitesimal Strain Tensor | p. 33 |
Large Strain Definitions | p. 40 |
Finite Strain Tensors | p. 47 |
Polar Decomposition | p. 58 |
Strain Definitions | p. 62 |
References | p. 62 |
Exercises | p. 63 |
Yield Criteria | |
Introduction | p. 65 |
Yielding of Ductile Isotropic Materials | p. 65 |
Experimental Verification | p. 71 |
Anisotropic Yielding in Polycrystals | p. 83 |
Choice of Yield Function | p. 90 |
References | p. 91 |
Exercises | p. 93 |
Non-Hardening Plasticity | |
Introduction | p. 95 |
Classical Theories of Plasticity | p. 95 |
Application of Classical Theory to Uniform Stress States | p. 98 |
Application of Classical Theory to Non-Uniform Stress States | p. 111 |
Hencky versus Prandtl-Reuss | p. 123 |
References | p. 124 |
Exercises | p. 124 |
Elastic-Perfect Plasticity | |
Introduction | p. 127 |
Elastic-Plastic Bending of Beams | p. 127 |
Elastic-Plastic Torsion | p. 137 |
Thick-Walled, Pressurised Cylinder with Closed-Ends | p. 144 |
Open-Ended Cylinder and Thin Disc Under Pressure | p. 149 |
Rotating Disc | p. 154 |
References | p. 159 |
Exercises | p. 159 |
Slip Line Fields | |
Introduction | p. 161 |
Slip Line Field Theory | p. 161 |
Frictionless Extrusion Through Parallel Dies | p. 180 |
Frictionless Extrusion Through Inclined Dies | p. 191 |
Extrusion With Friction Through Parallel Dies | p. 195 |
Notched Bar in Tension | p. 197 |
Die Indentation | p. 199 |
Rough Die Indentation | p. 204 |
Lubricated Die Indentation | p. 207 |
References | p. 210 |
Exercises | p. 211 |
Limit Analysis | |
Introduction | p. 213 |
Collapse of Beams | p. 213 |
Collapse of Structures | p. 215 |
Die Indentation | p. 221 |
Extrusion | p. 225 |
Strip Rolling | p. 230 |
Transverse Loading of Circular Plates | p. 234 |
Concluding Remarks | p. 238 |
References | p. 239 |
Exercises | p. 239 |
Crystal Plasticity | |
Introduction | p. 241 |
Resolved Shear Stress and Strain | p. 242 |
Lattice Slip Systems | p. 246 |
Hardening | p. 248 |
Yield Surface | p. 250 |
Flow Rule | p. 255 |
Micro- to Macro-Plasticity | p. 257 |
Subsequent Yield Surface | p. 262 |
Summary | p. 266 |
References | p. 267 |
Exercises | p. 268 |
The Flow Curve | |
Introduction | p. 269 |
Equivalence in Plasticity | p. 269 |
Uniaxial Tests | p. 274 |
Torsion Tests | p. 280 |
Uniaxial and Torsional Equivalence | p. 283 |
Modified Compression Tests | p. 286 |
Bulge Test | p. 290 |
Equations to the Flow Curve | p. 294 |
Strain and Work Hardening Hypotheses | p. 298 |
Concluding Remarks | p. 304 |
References | p. 304 |
Exercises | p. 305 |
Plasticity with Hardening | |
Introduction | p. 309 |
Conditions Associated with the Yield Surface | p. 309 |
Isotropic Hardening | p. 313 |
Validation of Levy Mises and Drucker Flow Rules | p. 318 |
Non-Associated Flow Rules | p. 325 |
Prandtl-Reuss Flow Theory | p. 326 |
Kinematic Hardening | p. 331 |
Concluding Remarks | p. 336 |
References | p. 336 |
Exercises | p. 337 |
Orthotropic Plasticity | |
Introduction | p. 339 |
Orthotropic Flow Potential | p. 339 |
Orthotropic Flow Curves | p. 343 |
Planar Isotropy | p. 348 |
Rolled Sheet Metals | p. 351 |
Extruded Tubes | p. 357 |
Non-Linear Strain Paths | p. 362 |
Alternative Yield Criteria | p. 365 |
Concluding Remarks | p. 366 |
References | p. 367 |
Exercises | p. 368 |
Plastic Instability | |
Introduction | p. 371 |
Inelastic Buckling of Struts | p. 371 |
Buckling of Plates | p. 378 |
Tensile Instability | p. 388 |
Circular Bulge Instability | p. 393 |
Ellipsoidal Bulging of Orthotropic Sheet | p. 395 |
Plate Stretching | p. 399 |
Concluding Remarks | p. 408 |
References | p. 409 |
Exercises | p. 409 |
Stress Waves in Bars | |
Introduction | p. 411 |
The Wave Equation | p. 411 |
Particle Velocity | p. 412 |
Longitudinal Impact of Bars | p. 415 |
Plastic Waves | p. 421 |
Plastic Stress Levels | p. 432 |
Concluding Remarks | p. 436 |
References | p. 436 |
Exercises | p. 436 |
Production Processes | |
Introduction | p. 439 |
Hot Forging | p. 439 |
Cold Forging | p. 442 |
Extrusion | p. 444 |
Hot Rolling | p. 448 |
Cold Rolling | p. 454 |
Wire and Strip Drawing | p. 457 |
Orthogonal Machining | p. 461 |
Concluding Remarks | p. 475 |
References | p. 475 |
Exercises | p. 475 |
Applications of Finite Elements | |
Introduction | p. 479 |
Elastic Stiffness Matrix | p. 479 |
Energy Methods | p. 482 |
Plane Triangular Element | p. 484 |
Elastic-Plastic Stiffness Matrix | p. 490 |
FE Simulations | p. 496 |
Concluding Remarks | p. 502 |
References | p. 503 |
Exercises | p. 503 |
Index | p. 505 |
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