Mechanical Metallurgy |
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Page 76
... length referred to the original unit length . AL 1 e == = — Lo L 0 Lo dL This definition of strain is satisfactory for elastic strains where AL is very small . However , in plastic deformation the strains are frequently large , and ...
... length referred to the original unit length . AL 1 e == = — Lo L 0 Lo dL This definition of strain is satisfactory for elastic strains where AL is very small . However , in plastic deformation the strains are frequently large , and ...
Page 171
... length of dislocation . Because the strain energy of a dislocation line is proportional to its length , work must be performed to increase its length . Therefore , a dislocation possesses a line tension which attempts to minimize its ...
... length of dislocation . Because the strain energy of a dislocation line is proportional to its length , work must be performed to increase its length . Therefore , a dislocation possesses a line tension which attempts to minimize its ...
Page 347
... length . The shorter the gage length the greater the percentage elongation . Numerous attempts , dating back to about 1850 , have been made to ration- alize the strain distribution1 in the tension test . Perhaps the most general conclu ...
... length . The shorter the gage length the greater the percentage elongation . Numerous attempts , dating back to about 1850 , have been made to ration- alize the strain distribution1 in the tension test . Perhaps the most general conclu ...
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