Mechanical Metallurgy |
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Page 183
... given stress the dislocation line will assume a certain radius of curvature given by Eq . ( 5-18 ) . The maximum value of shear stress is required when the dis- location bulge becomes a semicircle so that R has the minimum value 1/2 ( Fig ...
... given stress the dislocation line will assume a certain radius of curvature given by Eq . ( 5-18 ) . The maximum value of shear stress is required when the dis- location bulge becomes a semicircle so that R has the minimum value 1/2 ( Fig ...
Page 282
... shown . At the same time a transverse elastic stress σ is produced by the ... Fig . 7-19a . If each tensile specimen were able to deform freely , it would ... shown in Fig . 7-19a . x For the plane - stress condition of tensile loading of ...
... shown . At the same time a transverse elastic stress σ is produced by the ... Fig . 7-19a . If each tensile specimen were able to deform freely , it would ... shown in Fig . 7-19a . x For the plane - stress condition of tensile loading of ...
Page 308
... Fig . 8-10 Variation of the relaxed modulus of polystyrene with tem- perature . The effect of different polymer structures is shown . ( From A. V. Tobolsky , “ Properties and Structure of Polymers , " John Wiley & Sons , Inc. , New York ...
... Fig . 8-10 Variation of the relaxed modulus of polystyrene with tem- perature . The effect of different polymer structures is shown . ( From A. V. Tobolsky , “ Properties and Structure of Polymers , " John Wiley & Sons , Inc. , New York ...
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