Mechanical Metallurgy |
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Page 254
... crack it is c . The effect of both types of crack on the fracture behavior is the same . The stress distribution for an elliptical crack was determined by Inglis.1 A decrease in strain energy results from the formation of a crack . The ...
... crack it is c . The effect of both types of crack on the fracture behavior is the same . The stress distribution for an elliptical crack was determined by Inglis.1 A decrease in strain energy results from the formation of a crack . The ...
Page 414
... crack growth . 3. Crack growth on planes of high tensile stress - involves growth of well- defined crack in direction normal to maximum tensile stress . Usually called stage II crack growth . 4. Ultimate ductile failure - occurs when the ...
... crack growth . 3. Crack growth on planes of high tensile stress - involves growth of well- defined crack in direction normal to maximum tensile stress . Usually called stage II crack growth . 4. Ultimate ductile failure - occurs when the ...
Page 517
... crack length for the small plastic zone at the crack tip was recognized at an early stage in the development of linear elastic fracture mechanics ( see Sec . 7-9 ) . When the plastic zone becomes an appreciable fraction of the crack ...
... crack length for the small plastic zone at the crack tip was recognized at an early stage in the development of linear elastic fracture mechanics ( see Sec . 7-9 ) . When the plastic zone becomes an appreciable fraction of the crack ...
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