Mechanical Metallurgy 
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Page 76
However, in plastic deformation the strains are frequently large, and during the
extension the gage length changes considerably. Ludwik1 first proposed the
definition of true strain, or natural strain, e, which obviates this difficulty.
However, in plastic deformation the strains are frequently large, and during the
extension the gage length changes considerably. Ludwik1 first proposed the
definition of true strain, or natural strain, e, which obviates this difficulty.
Page 171
57 were expressed per unit 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 ...
57 were expressed per unit 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 ...
Page 347
a prominently necked tensile specimen. It readily can be seen that the shorter the
gage length the greater the influence of localized deformation at the neck on the
total elongation of the gage length. The extension of a specimen at fracture can ...
a prominently necked tensile specimen. It readily can be seen that the shorter the
gage length the greater the influence of localized deformation at the neck on the
total elongation of the gage length. The extension of a specimen at fracture can ...
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One of the best book for Mechanical Metallurgy. All metallurgist should have a copy of this book.
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Contents
Introduction  3 
Elements of the Theory of Plasticity  72 
Plastic Deformation of Single Crystals  105 
Copyright  
20 other sections not shown
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Common terms and phrases
alloys angle annealed atoms axes axis behavior billet brittle fracture Burgers vector coldworked components compression constant crack criterion cross slip cycles decrease determined diameter direction dislocation line ductile edge dislocation elastic elongation energy engineering equations extrusion factor failure fatigue limit fibers flow curve flow stress force forging friction given grain boundaries hotworking 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 stressstrain curve structure surface tensile strength tensile stress tensor theory thermal thickness tool torsion Trans usually velocity workpiece yield strength yield stress York