Mechanical Metallurgy |
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Page 223
... particles to form well - defined slip bands but are moving around particles so as to bypass them . In the overaged conditions where particles are noncoherent and relatively coarse , the yield strength is low but the rate of strain ...
... particles to form well - defined slip bands but are moving around particles so as to bypass them . In the overaged conditions where particles are noncoherent and relatively coarse , the yield strength is low but the rate of strain ...
Page 224
... particles can act as barriers to dislocations . They can act as strong , impenetrable noncoherent particles through which the dislocations can move only by sharp changes in curvature of the dislocation line . On the other hand , they ...
... particles can act as barriers to dislocations . They can act as strong , impenetrable noncoherent particles through which the dislocations can move only by sharp changes in curvature of the dislocation line . On the other hand , they ...
Page 225
... particle . Since this process increases the surface area of the particle , work must be done to shear the particle . The increment in strengthening is given by 2√6 fys Ασ = ( 6-31 ) π r Many fine second - phase particles are ...
... particle . Since this process increases the surface area of the particle , work must be done to shear the particle . The increment in strengthening is given by 2√6 fys Ασ = ( 6-31 ) π r Many fine second - phase particles are ...
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