Mechanical metallurgy |
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Page 59
maximum shear stress reaches a critical value equal to the shearing yield stress
in a uniaxial tension test. From Eq. (2-15), the maximum shear stress is given by
Tinax ' 2 (3- 7) where a\ is the algebraically largest and <r3 is the algebraically ...
maximum shear stress reaches a critical value equal to the shearing yield stress
in a uniaxial tension test. From Eq. (2-15), the maximum shear stress is given by
Tinax ' 2 (3- 7) where a\ is the algebraically largest and <r3 is the algebraically ...
Page 60
<r„ = 4= [('i - + (°* - °,Y + ("3 - *i)2]w (3-12) V2 According to this criterion, yielding
will occur when the differences between the principal stresses expressed by the
right-hand side of the equation exceed the yield stress in uniaxial tension, <r0.
<r„ = 4= [('i - + (°* - °,Y + ("3 - *i)2]w (3-12) V2 According to this criterion, yielding
will occur when the differences between the principal stresses expressed by the
right-hand side of the equation exceed the yield stress in uniaxial tension, <r0.
Page 202
Microcracks occur only in regions which have undergone discontinuous yielding
as a result of being loaded through the upper yield point. As the temperature
drops in region C, eventually the fracture stress drops to a value equal to the
lower ...
Microcracks occur only in regions which have undergone discontinuous yielding
as a result of being loaded through the upper yield point. As the temperature
drops in region C, eventually the fracture stress drops to a value equal to the
lower ...
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Contents
Introduction | 3 |
Stress and Strain Relationships for Elastic Behavior | 17 |
Elements of the Theory of Plasticity | 54 |
Copyright | |
21 other sections not shown
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Common terms and phrases
alloys angle annealing ASTM axis behavior bending billet brittle fracture Burgers vector cent compressive constant crack creep rate cycles decrease determined diameter direction dislocation line distribution drawing ductile edge dislocation effect elastic 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 region relationship residual stresses rolling screw dislocations shear stress sheet shown in Fig 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 tension theory thickness tion torsion Trans transition temperature tube usually yield strength yield stress
Bibliographic information
| Title | Mechanical metallurgy Metallurgy and metallurgical engineering series McGraw-Hill series in materials science and engineering |
| Author | George Ellwood Dieter |
| Publisher | McGraw-Hill, 1961 |
| Original from | the University of Michigan |
| Digitized | 29 Nov 2007 |
| Length | 615 pages |
| Subjects | › Mecanica Metal-work Metalurgia Physical metallurgy Strength of materials Technology & Engineering / Material Science Technology & Engineering / Metallurgy |
| Export Citation | BiBTeX EndNote RefMan |