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 436
... friction is usually expressed by the logarithmic decrement , 8. Differ- ent expressions for 8 are developed depending on the type of experiment used for studying internal friction . Internal friction frequently is measured by a system ...
... friction is usually expressed by the logarithmic decrement , 8. Differ- ent expressions for 8 are developed depending on the type of experiment used for studying internal friction . Internal friction frequently is measured by a system ...
Page 542
... friction , where there is no relative motion between the workpiece and the tools . This condition often occurs in hot - working where lubrication may be difficult . For sticking friction 770 , the flow stress in shear ( k ) . With a von ...
... friction , where there is no relative motion between the workpiece and the tools . This condition often occurs in hot - working where lubrication may be difficult . For sticking friction 770 , the flow stress in shear ( k ) . With a von ...
Page 598
... frictional forces . The frictional contribution resides in the el term in Eq . ( 17-8 ) . High friction results in high rolling load , a steep friction hill , and great tendency for edge cracking . The friction varies from point to ...
... frictional forces . The frictional contribution resides in the el term in Eq . ( 17-8 ) . High friction results in high rolling load , a steep friction hill , and great tendency for edge cracking . The friction varies from point to ...
Contents
Introduction | 3 |
Stress and Strain Relationships for Elastic Behavior | 18 |
Metallurgical Fundamentals | 101 |
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alloy aluminum angle annealed 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