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 247
... crack model . cal cohesive strength is reached in localized regions at a nominal stress which is well below the theoretical value . When one of the cracks spreads into a brittle fracture , it produces an increase in the surface area of ...
... crack model . cal cohesive strength is reached in localized regions at a nominal stress which is well below the theoretical value . When one of the cracks spreads into a brittle fracture , it produces an increase in the surface area of ...
Page 368
... crack propagation as the plastic zone grows as the crack extends from a sharp notch . It provides a record of the toughness of a material as the crack extends under increasing crack - extension forces . An R curve is a graphical ...
... crack propagation as the plastic zone grows as the crack extends from a sharp notch . It provides a record of the toughness of a material as the crack extends under increasing crack - extension forces . An R curve is a graphical ...
Page 396
... crack propagates initially along the persistent slip bands . In a polycrystalline metal the crack may extend for only a few grain diameters before the crack propagation changes to stage II . The rate of crack propagation in stage I is ...
... crack propagates initially along the persistent slip bands . In a polycrystalline metal the crack may extend for only a few grain diameters before the crack propagation changes to stage II . The rate of crack propagation in stage I is ...
Contents
Introduction | 3 |
Stress and Strain Relationships for Elastic Behavior | 18 |
Applications to Materials Testing | 273 |
Copyright | |
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alloys aluminum American Society annealed ASME ASTM atoms behavior brittle fracture Burgers vector cold-worked components compression constant creep rate criterion crystal decrease determined diameter direction ductile effect elastic elongation embrittlement energy engineering equation extrusion factor failure fatigue limit Figure flow stress force forging fracture mechanics friction given grain boundaries hardness high-temperature hot-working hydrostatic increases indentation lattice machine martensite material maximum measured metallurgical Metals Park metalworking modulus necking normal notch occurs particles percent plane-strain plastic deformation plastic strain pressure produced propagation properties ratio recrystallization reduction of area region residual stresses screw dislocation shear stress sheet shown in Fig slip plane Society for Metals specimen steel strain hardening strain rate stress-strain curve structure surface tensile strength tensile stress tension test thickness tion torsion Trans transition temperature true strain usually velocity workpiece yield strength yield stress York Δε