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 164
... force creating the shear stress is TA . The work done when the increment of slip occurs is ds dl dW = TA b A The force on a dislocation is always defined as a force F per unit length of dislocation line . Since F = dW / dl and ...
... force creating the shear stress is TA . The work done when the increment of slip occurs is ds dl dW = TA b A The force on a dislocation is always defined as a force F per unit length of dislocation line . Since F = dW / dl and ...
Page 166
... force between two parallel screw dislocations . Since the stress field of a screw dislocation is radially symmetrical , the force between the dislocations is a radial force which depends only on the distance of separation r . Gb2 F1 ...
... force between two parallel screw dislocations . Since the stress field of a screw dislocation is radially symmetrical , the force between the dislocations is a radial force which depends only on the distance of separation r . Gb2 F1 ...
Page 243
... force decreases more rapidly with increased separation than the attractive force , so that a net force between atoms Omax < 12 Separation between atoms , x Figure 7-2 Cohesive force as a function of the sep- aration between atoms ...
... force decreases more rapidly with increased separation than the attractive force , so that a net force between atoms Omax < 12 Separation between atoms , x Figure 7-2 Cohesive force as a function of the sep- aration between atoms ...
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