MECHANICAL METALLURGY |
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Page 253
Figure 9-8 shows in a schematic way the distribution of local elongation along the
length of a tensile specimen. The exact distribution of strain will depend upon the
metal, the gage length, and the shape of the cross section of the test section.
Figure 9-8 shows in a schematic way the distribution of local elongation along the
length of a tensile specimen. The exact distribution of strain will depend upon the
metal, the gage length, and the shape of the cross section of the test section.
Page 303
The fatigue limit of steel was formerly considered to be a sharp threshold value,
below which all specimens would presumably have infinite lives. However, it is
now recognized that the fatigue limit is really a statistical quantity which requires
...
The fatigue limit of steel was formerly considered to be a sharp threshold value,
below which all specimens would presumably have infinite lives. However, it is
now recognized that the fatigue limit is really a statistical quantity which requires
...
Page 378
A starter crack is cut with a jeweler's saw at one side of the specimen. This side is
cooled with liquid nitrogen, and the other side is kept at a higher temperature.
Thus, a temperature gradient is maintained across the width of the specimen.
A starter crack is cut with a jeweler's saw at one side of the specimen. This side is
cooled with liquid nitrogen, and the other side is kept at a higher temperature.
Thus, a temperature gradient is maintained across the width of the specimen.
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Contents
Stress and Strain Relationships for Elastic Behavior | 17 |
Elements of the Theory of Plasticity | 54 |
Plastic Deformation of Single Crystals | 81 |
Copyright | |
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Common terms and phrases
alloys aluminum angle annealing 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 recrystallization 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 theory thickness tion torsion Trans transition temperature tube usually yield point yield strength yield stress