Mechanical Behavior of Materials |
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Page 90
... dislocation core ( i.e. , in the region of the partial plane termination ) to produce the arrangement shown in Fig ... motion . The magnitude of the slip dis- placement is b , the interatomic separation in the slip plane , and represents the ...
... dislocation core ( i.e. , in the region of the partial plane termination ) to produce the arrangement shown in Fig ... motion . The magnitude of the slip dis- placement is b , the interatomic separation in the slip plane , and represents the ...
Page 97
Thomas H. Courtney. SCREW AND MIXED DISLOCATIONS A. Slip by Screw Dislocation Motion A screw dislocation is another type of line defect the motion of which causes plas- tic flow in crystals . The atomic arrangements in the vicinity of a ...
Thomas H. Courtney. SCREW AND MIXED DISLOCATIONS A. Slip by Screw Dislocation Motion A screw dislocation is another type of line defect the motion of which causes plas- tic flow in crystals . The atomic arrangements in the vicinity of a ...
Page 114
Thomas H. Courtney. CHAPTER 3 Dislocations Figure 3.27 Velocity of a dislocation normal to itself is achieved by ... motion of the dislocation by this mechanism requires that kinks be repeatedly nucleated along the dislocation line ...
Thomas H. Courtney. CHAPTER 3 Dislocations Figure 3.27 Velocity of a dislocation normal to itself is achieved by ... motion of the dislocation by this mechanism requires that kinks be repeatedly nucleated along the dislocation line ...
Contents
Overview of Mechanical Behavior | 1 |
Toughening Mechanisms and the Physics of Fracture | 10 |
Elastic Behavior | 44 |
Copyright | |
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alloys applied stress behavior bonding brittle Burgers vector ceramics Chap CHAPTER Coble creep composite compression crack growth crack propagation crack tip craze creep fracture creep rate Crystalline Materials cubic curve cyclical decreases discussed dislocation density dislocation line dislocation motion displacement ductile ductile fracture edge dislocation embrittlement energy equation example fatigue fiber Figure flow stress Fracture Mechanics fracture toughness glass grain boundaries hardening high-temperature increases initial length linear elastic loading low temperatures martensite material's matrix microscopic MN/mē modulus nucleation obstacles particle phase plastic deformation plastic flow plastic strain polycrystalline polycrystals polymers precipitation Prob ratio region result Schematic screw dislocation SECTION shear stress shown in Fig single crystal slip direction slip plane slip systems solids solute atom steel strain rate strengthening stress levels stress-strain structure superplastic surface takes place TCRSS tensile axis tensile strength tensile stress tion toughening transition viscoelastic volume fraction work-hardening yield strength