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Page 91
George E. Dieter. 3-8 PLASTIC STRESS - STRAIN RELATIONS Having discussed the relationships between stress state and plastic yielding , it is now necessary to consider the relations between stress and strain in plastic deform- ation . In ...
George E. Dieter. 3-8 PLASTIC STRESS - STRAIN RELATIONS Having discussed the relationships between stress state and plastic yielding , it is now necessary to consider the relations between stress and strain in plastic deform- ation . In ...
Page 94
... plastic strain and the stresses . The basic problem is to calculate the next increment of plastic strain for a given state of stress when the loads are increased incrementally . If all of the increments of strain are known , then the total ...
... plastic strain and the stresses . The basic problem is to calculate the next increment of plastic strain for a given state of stress when the loads are increased incrementally . If all of the increments of strain are known , then the total ...
Page 283
... strain σ is larger than for the elastic case and a larger value of σ , must be applied to maintain cohesion at the element interfaces . Therefore , as the plastic zone spreads from the notch root the value of σ increases much more ...
... strain σ is larger than for the elastic case and a larger value of σ , must be applied to maintain cohesion at the element interfaces . Therefore , as the plastic zone spreads from the notch root the value of σ increases much more ...
Contents
Introduction 325 | 3 |
Elements of the Theory of Plasticity | 72 |
Plastic Deformation of Single Crystals | 105 |
Copyright | |
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alloys angle annealed atoms axis behavior billet brittle fracture Burgers vector cold-worked components compression constant crack criterion cycles decrease determined diameter direction dislocation line ductile edge dislocation elastic elongation energy equations extrusion factor failure fatigue limit fibers flow curve flow stress force forging friction given grain boundaries hot-working hydrostatic increases lattice length load machining martensite material matrix maximum measured mechanical metallurgical Metals Park modulus normal stress notch occurs orientation particles percent plastic deformation plastic strain polymer pressure produced properties ratio reduction region residual stresses rolling screw dislocation shear strain shear stress sheet shown in Fig shows slip plane slip systems Society for Metals solid specimen steel strain hardening strain rate stress-strain curve structure surface tensile strength tensile stress tensor theory thermal thickness tool torsion Trans usually velocity workpiece yield strength yield stress York