Mechanical Metallurgy |
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Page 148
... flow curve , the stresses are high enough so that dislocations can take part in processes that are suppressed at lower stresses . Cross slip is believed to be the main process by which dislocations , piled up at obstacles during stage ...
... flow curve , the stresses are high enough so that dislocations can take part in processes that are suppressed at lower stresses . Cross slip is believed to be the main process by which dislocations , piled up at obstacles during stage ...
Page 284
... curve , or flow curve , represents the stress required to cause plastic flow at any particular value of plastic strain . Plastic flow is terminated by fracture when strain hardening , triaxial stress , or high strain rate inhibit the ...
... curve , or flow curve , represents the stress required to cause plastic flow at any particular value of plastic strain . Plastic flow is terminated by fracture when strain hardening , triaxial stress , or high strain rate inhibit the ...
Page 394
... FLOW CURVE Tabor1 has suggested a method by which the plastic region of the true - stress - true- strain curve may be determined from indentation hardness measurements . The method is based on the fact that there is a similarity in the ...
... FLOW CURVE Tabor1 has suggested a method by which the plastic region of the true - stress - true- strain curve may be determined from indentation hardness measurements . The method is based on the fact that there is a similarity in the ...
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