MECHANICAL METALLURGY |
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Page 56
... curve on unloading from a plastic strain will not be exactly linear and parallel to the elastic portion of the curve ... flow curve because it gives the stress required to cause the metal to flow plastically to any given strain . Many ...
... curve on unloading from a plastic strain will not be exactly linear and parallel to the elastic portion of the curve ... flow curve because it gives the stress required to cause the metal to flow plastically to any given strain . Many ...
Page 115
... flow . Stage II is a nearly linear part of the flow curve where strain hardening increases rapidly . In this stage , slip occurs on more than one set of planes . The length of the active slip lines decreases with increasing strain ...
... flow . Stage II is a nearly linear part of the flow curve where strain hardening increases rapidly . In this stage , slip occurs on more than one set of planes . The length of the active slip lines decreases with increasing strain ...
Page 215
... flow curve , or the true stress- strain curve , can be considered to represent the stress required to cause plastic flow at any particular value of plastic strain . In an analogous manner it was proposed by Ludwik ' that a metal has a ...
... flow curve , or the true stress- strain curve , can be considered to represent the stress required to cause plastic flow at any particular value of plastic strain . In an analogous manner it was proposed by Ludwik ' that a metal has a ...
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