Mechanical Metallurgy |
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Page 115
... region of decreasing rate of strain hardening . The proc- esses occurring during this stage are often called dynamical recovery . this region of the flow curve , the stresses are high enough so that dis- locations can take part in ...
... region of decreasing rate of strain hardening . The proc- esses occurring during this stage are often called dynamical recovery . this region of the flow curve , the stresses are high enough so that dis- locations can take part in ...
Page 163
... region . would have to slip by a different amount relative to another part of the crystal and this would mean that another dislocation line would run across the slipped region . Slip plane Slipped region Unslipped region Burgers vector ...
... region . would have to slip by a different amount relative to another part of the crystal and this would mean that another dislocation line would run across the slipped region . Slip plane Slipped region Unslipped region Burgers vector ...
Page 202
... region C , eventually the frac- ture stress drops to a value equal to the lower yield stress . In region D the lower yield stress and fracture stress are practically identical . Frac- ture occurs at a value equal to the lower yield ...
... region C , eventually the frac- ture stress drops to a value equal to the lower yield stress . In region D the lower yield stress and fracture stress are practically identical . Frac- ture occurs at a value equal to the lower yield ...
Contents
Introduction 3 35678OORE | 3 |
Stress and Strain Relationships for Elastic Behavior | 17 |
Elements of the Theory of Plasticity | 54 |
Copyright | |
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alloys aluminum angle annealed ASTM axis behavior bending billet brittle fracture Burgers vector cent compressive constant crack creep rate decrease determined diameter direction dislocation line distribution drawing ductile edge dislocation effect elastic elongation equation extrusion factor failure fatigue limit flow curve flow stress force forging forming friction given grain boundaries hardness high-temperature increase indentation lattice length load longitudinal mandrel martensite material maximum measured mechanical metallurgical Metals Park method modulus notch obtained occurs orientation particles plastic deformation pressure principal stresses Proc produced properties punch quenched radius ratio reduction of area region relationship residual stresses rolling screw dislocations shear stress sheet shows single crystals slip plane Society for Metals specimen steel strain energy strain hardening strain rate stress-strain curve structure surface temper tensile strength tensile stress theory thickness tion torsion Trans transition temperature tube yield strength yield stress στ