MECHANICAL METALLURGY |
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Page 90
... screw , or Burgers , dislocation . Figure 4-9 shows a simple example of a ... dislocations will be limited to the geometrical concepts presented in this ... dislocations , and the interaction between dislocations . 4-4 . Deformation by ...
... screw , or Burgers , dislocation . Figure 4-9 shows a simple example of a ... dislocations will be limited to the geometrical concepts presented in this ... dislocations , and the interaction between dislocations . 4-4 . Deformation by ...
Page 179
... screw dislocations . As is the general rule when jogs are formed by dislocation intersection , the jogs are perpendicular to the slip planes in which the dislocations are moving . It can be seen that the jogs formed by the intersection ...
... screw dislocations . As is the general rule when jogs are formed by dislocation intersection , the jogs are perpendicular to the slip planes in which the dislocations are moving . It can be seen that the jogs formed by the intersection ...
Page 180
... screw dislocations . As was pointed out in the previous section , motion of a screw dislocation containing jogs in a direction normal to its axis can occur only by climb . As the jog climbs , it generates vacancies . However , two ...
... screw dislocations . As was pointed out in the previous section , motion of a screw dislocation containing jogs in a direction normal to its axis can occur only by climb . As the jog climbs , it generates vacancies . However , two ...
Contents
Introduction | 5 |
The Torsion Test | 10 |
Stress and Strain Relationships for Elastic Behavior | 17 |
Copyright | |
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alloys aluminum annealing ASTM axis behavior brittle fracture Burgers vector cent compressive considered constant crack decrease determined diameter dislocation line ductile edge dislocation effect elastic elongation equation factor fatigue limit fatigue properties flow curve fracture stress given grain boundaries hardness increase indentation internal friction lattice load martensite material maximum measure Metals Park modulus notch number of cycles occurs orientation particles pile-up plastic deformation principal stresses Proc produced quenched ratio recrystallization reduction of area region residual stresses resolved shear stress screw dislocations shear stress shown shows single crystals slip direction slip lines slip plane slip system Society for Metals solid solution solute atoms specimen stacking fault steel strain energy strain hardening strain rate stress concentration stress-strain curve structure surface tensile strength tensile stress tension theory tion torsion Trans twins vacancies yield point yield strength yield stress