Mechanical MetallurgyThis bestselling metallurgy text examines the behaviour of materials under stress and their reaction to a variety of hostile environments. It covers the entire scope of mechanical metallurgy, from an understanding of the continuum description of stress and strain, through crystalline and defect mechanisms of flow and fracture, and on to a consideration of major mechanical property tests and the basic metalworking process. It has been updated throughout, and optimised for metric (SI) units . End-of-chapter study questions are included. |
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Page 564
George Ellwood Dieter D. J. Bacon. CHAPTER SIXTEEN FORGING 16-1 CLASSIFICATION OF FORGING PROCESSES Forging is the working of metal into a useful shape by hammering or pressing . It is the oldest of the metalworking arts , having its ...
George Ellwood Dieter D. J. Bacon. CHAPTER SIXTEEN FORGING 16-1 CLASSIFICATION OF FORGING PROCESSES Forging is the working of metal into a useful shape by hammering or pressing . It is the oldest of the metalworking arts , having its ...
Page 566
... forging uses carefully machined matching die blocks to produce forgings to close dimensional tolerances . Large production runs are generally required to justify the expensive dies . In closed - die forging the forging billet is usually ...
... forging uses carefully machined matching die blocks to produce forgings to close dimensional tolerances . Large production runs are generally required to justify the expensive dies . In closed - die forging the forging billet is usually ...
Page 567
... Forging stroke Draft angle Web Rib Forging complete Figure 16-3 Typical curve of forging load vs. stroke for closed - die forging . Figure 16-4 Some typical forging nomenclature . minimum flash needed to do the job . Forging pressure ...
... Forging stroke Draft angle Web Rib Forging complete Figure 16-3 Typical curve of forging load vs. stroke for closed - die forging . Figure 16-4 Some typical forging nomenclature . minimum flash needed to do the job . Forging pressure ...
Contents
Introduction | 3 |
Stress and Strain Relationships for Elastic Behavior | 17 |
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 tensor thickness tool torsion Trans usually velocity workpiece yield strength yield stress York