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 297
... constant crosshead speed the true - strain rate will decrease as the specimen elongates . To maintain a constant true - strain rate using open - loop control the deformation velocity must increase in proportion to the increase in the ...
... constant crosshead speed the true - strain rate will decrease as the specimen elongates . To maintain a constant true - strain rate using open - loop control the deformation velocity must increase in proportion to the increase in the ...
Page 380
... constant stress is illustrated schematically in this figure , and based on this , curves of constant probability of failure are drawn . Thus , at o1 , 1 percent of the specimens would be expected to fail at N1 cycles , 50 percent at N2 ...
... constant stress is illustrated schematically in this figure , and based on this , curves of constant probability of failure are drawn . Thus , at o1 , 1 percent of the specimens would be expected to fail at N1 cycles , 50 percent at N2 ...
Page 438
... constant stress is called creep . To determine the engineering creep curve of a metal , a constant load is applied to a tensile specimen maintained at a constant temperature , and the strain ( extension ) of the specimen is determined ...
... constant stress is called creep . To determine the engineering creep curve of a metal , a constant load is applied to a tensile specimen maintained at a constant temperature , and the strain ( extension ) of the specimen is determined ...
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