MECHANICAL METALLURGY |
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Page 132
... yield stress lower than that of the disordered state . This arises from the fact that the disloca- tions in a well - ordered alloy are grouped into pairs , each pair having a Burgers vector twice as large as that ... Yield-point Phenomenon.
... yield stress lower than that of the disordered state . This arises from the fact that the disloca- tions in a well - ordered alloy are grouped into pairs , each pair having a Burgers vector twice as large as that ... Yield-point Phenomenon.
Page 133
GEORGE E. DIETER, JR. Upper yield point Lower yield point gation is heterogeneous . At the upper yield point a discrete band of deformed metal , often readily visible with the eye , appears at a stress concentration such as a fillet ...
GEORGE E. DIETER, JR. Upper yield point Lower yield point gation is heterogeneous . At the upper yield point a discrete band of deformed metal , often readily visible with the eye , appears at a stress concentration such as a fillet ...
Page 135
... yield- point phenomenon , in which the strength of a metal is increased and the ductility is decreased on heating at ... yield point . Region B , immediately retested after reaching point X. Region C , reappearance and increase in yield ...
... yield- point phenomenon , in which the strength of a metal is increased and the ductility is decreased on heating at ... yield point . Region B , immediately retested after reaching point X. Region C , reappearance and increase in yield ...
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