Mechanical Behavior of Materials |
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Page 130
... dislocation . This rule is that if a dislocation is moving in a slip plane of area A and has produced slip over an area A ' of the slip plane , then the shear displacement is ... dislocation density and 130 MECHANICAL BEHAVIOR OF MATERIALS.
... dislocation . This rule is that if a dislocation is moving in a slip plane of area A and has produced slip over an area A ' of the slip plane , then the shear displacement is ... dislocation density and 130 MECHANICAL BEHAVIOR OF MATERIALS.
Page 131
Thomas H. Courtney. 3.10 SUMMARY between shear strain rate and dislocation density and velocity given by Eq . ( 3.23 ) . As mentioned , Eq . ( 3.23 ) was derived on the basis of a constant dislocation density . However , the dislocation ...
Thomas H. Courtney. 3.10 SUMMARY between shear strain rate and dislocation density and velocity given by Eq . ( 3.23 ) . As mentioned , Eq . ( 3.23 ) was derived on the basis of a constant dislocation density . However , the dislocation ...
Page 167
... dislocations contain jogs , then , if the average dislocation density is p , the spacing is obtained through the relationship ( Prob . 5.3 ) L2p = constant . From Eq . ( 5.2 ) the shear flow strength for a work hardened material is ...
... dislocations contain jogs , then , if the average dislocation density is p , the spacing is obtained through the relationship ( Prob . 5.3 ) L2p = constant . From Eq . ( 5.2 ) the shear flow strength for a work hardened material is ...
Contents
Elastic Behavior | 46 |
Plastic Deformation in Single and Polycrystalline | 137 |
Strengthening of Crystalline Materials | 162 |
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alloys applied stress behavior Burgers vector Chap Coble creep composite crack growth crack tip craze creep fracture creep rate crystalline cubic cyclical decreases diffusion diffusional discussed dislocation density dislocation glide dislocation motion displacement ductile ductile fracture edge dislocation effect embrittlement energy fatigue fiber FIGURE flow stress fracture mechanism fracture toughness glass grain boundaries hardening high-temperature illustrated in Fig increases initial interaction length linear elastic low temperatures martensite material material's matrix mechanism map metals microscopic microstructural MN/m² Mode II fracture modulus Nabarro-Herring noncrystalline nucleation obstacles occurs particle phase plastic deformation plastic flow polycrystal polymers ratio recrystallization region result schematically screw dislocation shear stress shown in Fig single crystals slip plane slip systems solid steel strain rate strengthening stress levels stress-strain curve structure superplastic surface takes place TCRSS tensile strength tensile stress transition values viscoelastic viscosity void growth volume fraction yield strength