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 271
... ( hydrostatic pressure ) resists fracture and increases the ductil- ity . Hydrostatic pressure is utilized in many metalworking operations , like wiredrawing and extrusion , to produce large plastic deformation which would not be possible ...
... ( hydrostatic pressure ) resists fracture and increases the ductil- ity . Hydrostatic pressure is utilized in many metalworking operations , like wiredrawing and extrusion , to produce large plastic deformation which would not be possible ...
Page 550
... hydrostatic pressure achieved in the process . The presence of a high hydrostatic pressure reduces the tensile stresses below the critical value for cracking , while at the same time the flow stress is unaffected . As an extra bonus ...
... hydrostatic pressure achieved in the process . The presence of a high hydrostatic pressure reduces the tensile stresses below the critical value for cracking , while at the same time the flow stress is unaffected . As an extra bonus ...
Page 551
... hydrostatic pressure may arise from the hydrostatic component of the stress state , chiefly by the interaction of the workpiece and the tooling as in extrusion , or it may be introduced externally to the process , as in hydrostatic ...
... hydrostatic pressure may arise from the hydrostatic component of the stress state , chiefly by the interaction of the workpiece and the tooling as in extrusion , or it may be introduced externally to the process , as in hydrostatic ...
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 tension test tensor thickness tool torsion Trans usually velocity workpiece yield strength yield stress