Mechanical Behavior of Materials |
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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 plastic flow in crystals . The atomic arrangements in the vicinity of a screw ...
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 plastic flow in crystals . The atomic arrangements in the vicinity of a screw ...
Page 125
... dislocation EF.7 Considerations similar to the case just described also ... screw dislocation with another screw dislocation is illustrated in Fig ... Dislocations 126 CHAPTER 3 Dislocations The reduced mobility of a jogged.
... dislocation EF.7 Considerations similar to the case just described also ... screw dislocation with another screw dislocation is illustrated in Fig ... Dislocations 126 CHAPTER 3 Dislocations The reduced mobility of a jogged.
Page 134
... dislocation density , ( b ) fraction of the dislocation population that is mobile , and ( c ) mobile dislocation ... Screw and edge dislocations represent extreme examples of these line defects , and they are characterized by different atomic ...
... dislocation density , ( b ) fraction of the dislocation population that is mobile , and ( c ) mobile dislocation ... Screw and edge dislocations represent extreme examples of these line defects , and they are characterized by different atomic ...
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 depends discussed dislocation density dislocation line dislocation motion displacement ductile ductile fracture edge dislocation embrittlement energy equation example fatigue fcc metals fiber Figure flow stress Fracture Mechanics fracture toughness glass grain boundaries hardening high-temperature increases initial length linear elastic loading low-temperature macroscopic martensite material's matrix MN/m² 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 steel strain rate strengthening stress-strain structure superplastic surface takes place TCRSS temperature tensile axis tensile strength tensile stress tion toughening transition viscoelastic volume fraction work-hardening yield strength