MECHANICAL METALLURGY |
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Page 473
... 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 origin with the primitive blacksmith of Biblical times . The development of machin ...
... 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 origin with the primitive blacksmith of Biblical times . The development of machin ...
Page 485
... forgings . To minimize incomplete penetration , forgings of large cross section are usually made on a forging press . Surface cracking can occur as a result of excessive working of the surface at too low a temperature or as a result of ...
... forgings . To minimize incomplete penetration , forgings of large cross section are usually made on a forging press . Surface cracking can occur as a result of excessive working of the surface at too low a temperature or as a result of ...
Page 486
... forging machines have been developed.1 Secondary tensile stresses can develop during forging , and cracking can thus be produced . Internal cracks can develop during the upsetting of a cylinder or a round ( Fig . 18-10c ) , as a result ...
... forging machines have been developed.1 Secondary tensile stresses can develop during forging , and cracking can thus be produced . Internal cracks can develop during the upsetting of a cylinder or a round ( Fig . 18-10c ) , as a result ...
Contents
Introduction | 5 |
The Torsion Test | 10 |
Stress and Strain Relationships for Elastic Behavior | 17 |
Copyright | |
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alloys aluminum annealing ASTM axis behavior brittle fracture Burgers vector cent compressive considered constant crack decrease determined diameter dislocation line ductile edge dislocation effect elastic elongation equation factor fatigue limit fatigue properties flow curve fracture stress given grain boundaries hardness increase indentation internal friction lattice load martensite material maximum measure Metals Park modulus notch number of cycles occurs orientation particles pile-up plastic deformation principal stresses Proc produced quenched ratio recrystallization reduction of area region residual stresses resolved shear stress screw dislocations shear stress shown shows single crystals slip direction slip lines slip plane slip system Society for Metals solid solution solute atoms specimen stacking fault steel strain energy strain hardening strain rate stress concentration stress-strain curve structure surface tensile strength tensile stress tension theory tion torsion Trans twins vacancies yield point yield strength yield stress