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 114
... plane behind that containing X. In making this circuit we have traced the path of a right - handed screw . Every time a circuit is made around the dislocation line , the end point is displaced one plane parallel to the slip plane in the ...
... plane behind that containing X. In making this circuit we have traced the path of a right - handed screw . Every time a circuit is made around the dislocation line , the end point is displaced one plane parallel to the slip plane in the ...
Page 127
... slip system . It is observed experimentally that a single crystal will slip when the resolved shear stress on the slip plane reaches a critical value . This behavior , known as Schmid's law , is best demonstrated with hcp metals where ...
... slip system . It is observed experimentally that a single crystal will slip when the resolved shear stress on the slip plane reaches a critical value . This behavior , known as Schmid's law , is best demonstrated with hcp metals where ...
Page 178
... slip plane . However , once the source is initiated it does not continue indefinitely . The back stress produced by the dislocations piling up along the slip plane ( see Sec . 5-16 ) opposes the applied stress and when this equals the ...
... slip plane . However , once the source is initiated it does not continue indefinitely . The back stress produced by the dislocations piling up along the slip plane ( see Sec . 5-16 ) opposes the applied stress and when this equals the ...
Contents
Introduction | 3 |
Stress and Strain Relationships for Elastic Behavior | 18 |
Metallurgical Fundamentals | 101 |
Copyright | |
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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 tension test tensor thickness tool torsion Trans usually velocity workpiece yield strength yield stress