Mechanical Metallurgy |
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Page 115
... dislocation is the screw , or Burgers , dislocation . Figure 4-9 shows a simple example of a screw dislocation . The upper part of the crystal to the right of AD has moved relative to the lower part in the direction of the slip vector ...
... dislocation is the screw , or Burgers , dislocation . Figure 4-9 shows a simple example of a screw dislocation . The upper part of the crystal to the right of AD has moved relative to the lower part in the direction of the slip vector ...
Page 146
... screw dislocation cross slipping from the primary slip plane to another plane which contains the common slip direction ( Fig . 4-34b ) . The phenomenon of cross slip is restricted to screw dislocations . Since the line of a screw ...
... screw dislocation cross slipping from the primary slip plane to another plane which contains the common slip direction ( Fig . 4-34b ) . The phenomenon of cross slip is restricted to screw dislocations . Since the line of a screw ...
Page 178
... screw dislocation . The jog is constrained to move along the dislocation in plane AA'BB ' . plane containing its line and its Burgers vector , the only way the jog can move by slip ( conservative motion ) is along the axis of the screw ...
... screw dislocation . The jog is constrained to move along the dislocation in plane AA'BB ' . plane containing its line and its Burgers vector , the only way the jog can move by slip ( conservative motion ) is along the axis of the screw ...
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