Mechanical Metallurgy |
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Page 327
... ratio . The damage produced by a given cycle ratio of overstress is frequently evaluated by the reduction in fatigue life at the test stress . Thus , referring to Fig . 12-13 , for a cycle ratio at the prestress of AB / AC the damage at ...
... ratio . The damage produced by a given cycle ratio of overstress is frequently evaluated by the reduction in fatigue life at the test stress . Thus , referring to Fig . 12-13 , for a cycle ratio at the prestress of AB / AC the damage at ...
Page 519
... ratio is the ratio of the initial cross - sectional area to the cross - sectional area after extrusion , R = Ao / A . The extrusion pres- sure is an approximately linear function of the natural logarithm of the extrusion ratio ...
... ratio is the ratio of the initial cross - sectional area to the cross - sectional area after extrusion , R = Ao / A . The extrusion pres- sure is an approximately linear function of the natural logarithm of the extrusion ratio ...
Page 520
... ratio from 20 to 100. Easily extruded metals like brass and alumi- num can be worked at extrusion ratios greater than 100 , while metals more difficult to extrude like nickel - base high - temperature alloys are limited to extrusion ratios ...
... ratio from 20 to 100. Easily extruded metals like brass and alumi- num can be worked at extrusion ratios greater than 100 , while metals more difficult to extrude like nickel - base high - temperature alloys are limited to extrusion ratios ...
Contents
Introduction 3 35678OORE | 3 |
Stress and Strain Relationships for Elastic Behavior | 17 |
Elements of the Theory of Plasticity | 54 |
Copyright | |
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alloys aluminum angle annealed ASTM axis behavior bending billet brittle fracture Burgers vector cent compressive constant crack creep rate decrease determined diameter direction dislocation line distribution drawing ductile edge dislocation effect elastic elongation equation extrusion factor failure fatigue limit flow curve flow stress force forging forming friction given grain boundaries hardness high-temperature increase indentation lattice length load longitudinal mandrel martensite material maximum measured mechanical metallurgical Metals Park method modulus notch obtained occurs orientation particles plastic deformation pressure principal stresses Proc produced properties punch quenched radius ratio reduction of area region relationship residual stresses rolling screw dislocations shear stress sheet shows single crystals slip plane Society for Metals specimen steel strain energy strain hardening strain rate stress-strain curve structure surface temper tensile strength tensile stress theory thickness tion torsion Trans transition temperature tube yield strength yield stress στ