MECHANICAL METALLURGY |
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Page 163
... Burgers vector of a dislocation is by means of the Burgers circuit . Con- sider Fig . 4-8 , which shows the atomic arrangement around an edge dislocation . Starting at a lattice point , imagine a path traced from Slip plane Slipped ...
... Burgers vector of a dislocation is by means of the Burgers circuit . Con- sider Fig . 4-8 , which shows the atomic arrangement around an edge dislocation . Starting at a lattice point , imagine a path traced from Slip plane Slipped ...
Page 164
... Burgers vector is specified by giving its components along the axes of the crystallographic structure cell . Thus , the Burgers vector for slip in a cubic lattice from a cube corner to the center of one face has the components an / 2 ...
... Burgers vector is specified by giving its components along the axes of the crystallographic structure cell . Thus , the Burgers vector for slip in a cubic lattice from a cube corner to the center of one face has the components an / 2 ...
Page 168
... Burgers vectors have suitable orientations . Figure 6-8 illustrates two dislocations moving on the slip planes of an fcc lattice . Dislocation A is moving in a ( 111 ) plane with a Burgers vector ( ao / 2 ) [ 101 ] . Disloca- tion B ...
... Burgers vectors have suitable orientations . Figure 6-8 illustrates two dislocations moving on the slip planes of an fcc lattice . Dislocation A is moving in a ( 111 ) plane with a Burgers vector ( ao / 2 ) [ 101 ] . Disloca- tion B ...
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