Mechanical Metallurgy |
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Page 287
... hydrostatic pressure . The pioneering work in this field was done by Bridgman , 3 who subjected metals to tension tests with superimposed hydrostatic pressures up to 450,000 psi . More recently , mechanical tests at high pressure and ...
... hydrostatic pressure . The pioneering work in this field was done by Bridgman , 3 who subjected metals to tension tests with superimposed hydrostatic pressures up to 450,000 psi . More recently , mechanical tests at high pressure and ...
Page 572
... hydrostatic pressure achieved in the process . The presence of a high hydrostatic pressure reduces the tensile stresses below the critical value for cracking , while at the same time the flow stress is unaffected . As an extra bonus ...
... hydrostatic pressure achieved in the process . The presence of a high hydrostatic pressure reduces the tensile stresses below the critical value for cracking , while at the same time the flow stress is unaffected . As an extra bonus ...
Page 576
... hydrostatic pressure required to avoid cracking varies with extrusion ratio . This reflects the way the hydrostatic component of stress produced in the deformation zone varies with reduction , since the pressure plotted is the sum of ...
... hydrostatic pressure required to avoid cracking varies with extrusion ratio . This reflects the way the hydrostatic component of stress produced in the deformation zone varies with reduction , since the pressure plotted is the sum of ...
Contents
Elements of the Theory of Plasticity | 3 |
Dislocation Theory | 150 |
Strengthening Mechanisms | 190 |
Copyright | |
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alloys angle annealed atoms axis behavior billet brittle fracture Burgers vector cold-worked components compression constant crack criterion cycles decrease determined diameter direction dislocation line ductile edge dislocation elastic elongation energy equations extrusion factor failure fatigue limit fibers flow curve flow stress force forging friction given grain boundaries hot-working hydrostatic increases lattice length load machining martensite material matrix maximum measured mechanical Metals Park modulus normal stress notch occurs orientation particles percent plastic deformation plastic strain polymer pressure produced properties ratio reduction region residual stresses rolling screw dislocation shear strain shear stress sheet shown in Fig shows single crystals slip plane slip systems Society for Metals solid specimen steel strain hardening strain rate stress-strain curve structure surface tensile strength tensile stress tensor theory thermal thickness tool torsion Trans usually velocity workpiece yield strength yield stress York