MECHANICAL METALLURGY |
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Page 16
... angle through which the element has been rotated . For the small angles usually involved , the tangent of the angle and the angle ( in radians ) are equal . Therefore , shear strains are often expressed as angles of rotation . Y = a h ...
... angle through which the element has been rotated . For the small angles usually involved , the tangent of the angle and the angle ( in radians ) are equal . Therefore , shear strains are often expressed as angles of rotation . Y = a h ...
Page 124
... angle 0. In Fig . 5-36 the two crystals have been joined to form a bicrystal containing a low - angle boundary . Along the boundary the atoms adjust their position by localized deformation to produce a smooth transition from one grain ...
... angle 0. In Fig . 5-36 the two crystals have been joined to form a bicrystal containing a low - angle boundary . Along the boundary the atoms adjust their position by localized deformation to produce a smooth transition from one grain ...
Page 127
... angle bound- ary moves as a unit when subjected to a shear stress , in complete agree- ment with what would be expected for a linear dislocation array . It has also been found that the boundary angle decreases with increasing 80 70 20 ...
... angle bound- ary moves as a unit when subjected to a shear stress , in complete agree- ment with what would be expected for a linear dislocation array . It has also been found that the boundary angle decreases with increasing 80 70 20 ...
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