MECHANICAL METALLURGY |
From inside the book
Results 1-3 of 38
Page 119
... Grain Boundaries and Deformation The boundaries between grains in a polycrystalline aggregate are a region of disturbed lattice only a few atomic diameters wide . In the general case , the crystallographic orientation changes abruptly ...
... Grain Boundaries and Deformation The boundaries between grains in a polycrystalline aggregate are a region of disturbed lattice only a few atomic diameters wide . In the general case , the crystallographic orientation changes abruptly ...
Page 344
... boundaries provides barriers to dislocation move- ment and results in a decrease in creep strain . Grain - boundary Deformation It has already been shown in Sec . 8-5 that the grain - boundary relax- ation which is measured by internal ...
... boundaries provides barriers to dislocation move- ment and results in a decrease in creep strain . Grain - boundary Deformation It has already been shown in Sec . 8-5 that the grain - boundary relax- ation which is measured by internal ...
Page 347
... grain - boundary sliding can occur , cracks may be initiated at triple points where three grain boundaries meet on a plane of polish . This type of grain - boundary failure is preva- lent for high stresses , where the total life is ...
... grain - boundary sliding can occur , cracks may be initiated at triple points where three grain boundaries meet on a plane of polish . This type of grain - boundary failure is preva- lent for high stresses , where the total life is ...
Contents
Introduction | 5 |
The Torsion Test | 10 |
Stress and Strain Relationships for Elastic Behavior | 17 |
Copyright | |
22 other sections not shown
Other editions - View all
Common terms and phrases
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