Mechanical Metallurgy |
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Page 54
George E. Dieter. 2-13 STRAIN ENERGY The elastic strain energy U is the energy expended by the action of external forces in deforming an elastic body . Essentially all the work performed during elastic deformation is stored as elastic ...
George E. Dieter. 2-13 STRAIN ENERGY The elastic strain energy U is the energy expended by the action of external forces in deforming an elastic body . Essentially all the work performed during elastic deformation is stored as elastic ...
Page 169
... energy is given by Gb2 U = In ( 5-12 ) 4π ( 1 − v ) - In the same way , the strain energy of a screw dislocation is given by U -- Tez b dr - ro Gb2 In Απ Το ( 5-13 ) Note that , in accordance with our assumption up to this point , the ...
... energy is given by Gb2 U = In ( 5-12 ) 4π ( 1 − v ) - In the same way , the strain energy of a screw dislocation is given by U -- Tez b dr - ro Gb2 In Απ Το ( 5-13 ) Note that , in accordance with our assumption up to this point , the ...
Page 175
... energy change which results in an osmotic force on the dislocation.1 The existence of a compressive stress in the ... energy to nucleate a jog . The activation energy of a jog is about 1 eV . The activation energy for climb is given by ...
... energy change which results in an osmotic force on the dislocation.1 The existence of a compressive stress in the ... energy to nucleate a jog . The activation energy of a jog is about 1 eV . The activation energy for climb is given by ...
Contents
Elements of the Theory of Plasticity | 3 |
Dislocation Theory | 150 |
Strengthening Mechanisms | 190 |
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 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 single crystals 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