Mechanical MetallurgyI Mechanical Fundamentals 1 Introduction 2 Stress and Strain Relationships for Elastic Behavior 3 Elements of the Theory of Plasticity II Metallurgical Fundamentals 4 Plastic Deformation of Single Crystals 5 Dislocation Theory 6 Strengthening Mechanisms 7 Fracture III Applications to Materials Testing 8 The Tension Test 9 The Hardness Test 10 The Torsion Test 11 Fracture Mechanics 12 Fatigue of Metals 13 Creep and Stress Rupture 14 Brittle Fracture and Impact Testing IV Plastic Forming of Metals 15 Fundamentals of Metalworking 16 Forging 17 Rolling of Metals 18 Extrusion 19 Drawing of Rods, Wires and Tubes 20 Sheet-Metal Forming 21 Maching of Metals Appendixes |
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Page 77
... influence the stress at which yielding occurs . Therefore , we look for the stress deviator to be involved with yielding . Moreover , for an isotropic material , the yield criterion must be independent of the choice of axes , i.e. , it ...
... influence the stress at which yielding occurs . Therefore , we look for the stress deviator to be involved with yielding . Moreover , for an isotropic material , the yield criterion must be independent of the choice of axes , i.e. , it ...
Page 253
... influence of common second phases in steel on the tensile ductility . The character of the slip band can also influence the fracture behavior . Cross slip of screw dislocations broadens the slip band and makes it more difficult to crack ...
... influence of common second phases in steel on the tensile ductility . The character of the slip band can also influence the fracture behavior . Cross slip of screw dislocations broadens the slip band and makes it more difficult to crack ...
Page 305
... influence on the strain rate . ' If we eliminate time from Eq . ( 8-55 ) by treating the stress rate ở and the strain rate è , then after substituting P = σA , V L = AE + E KL 1 + ¿ p ( 8-57 ) and since έ = E + = E + ( vK / AE ) + ¿ έ ...
... influence on the strain rate . ' If we eliminate time from Eq . ( 8-55 ) by treating the stress rate ở and the strain rate è , then after substituting P = σA , V L = AE + E KL 1 + ¿ p ( 8-57 ) and since έ = E + = E + ( vK / AE ) + ¿ έ ...
Contents
Introduction | 3 |
Stress and Strain Relationships for Elastic Behavior | 18 |
Metallurgical Fundamentals | 101 |
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alloy aluminum angle annealed ASME ASTM atoms axis behavior billet brittle fracture Burgers vector cold-worked components compression constant crack creep cycles decrease determined diameter direction dislocation line ductile edge dislocation elastic elongation embrittlement energy engineering equation extrusion factor failure fatigue limit fibers Figure flow curve flow stress force forging friction given grain boundaries hot-working hydrostatic increase indentation lattice length load machining martensite material matrix maximum measured mechanical metallurgical Metals Park modulus necking notch occurs particles percent plane-strain plastic deformation plastic strain pressure produce properties ratio recrystallization reduction region residual stresses rolling screw dislocation shear stress sheet shown in Fig slip plane slip systems Society for Metals specimen steel strain hardening strain rate stress-strain curve structure surface temperature tensile strength tensile stress tensor thickness tool torsion Trans usually velocity workpiece yield strength yield stress