Mechanical Behavior of Materials |
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Page 187
... interaction energy . Thus , on the average , the interaction energy between an edge dislocation and a small solute atom is negative . Analogous considerations show that this is true also for large solute atoms . As indicated by Eq ...
... interaction energy . Thus , on the average , the interaction energy between an edge dislocation and a small solute atom is negative . Analogous considerations show that this is true also for large solute atoms . As indicated by Eq ...
Page 189
... obtained by substituting b for R in Eq . ( 5.13 ) with sin 0 = 1.0 . ) The parameter ε is a measure of the relative size difference between the solute and solvent atoms . In a SOFT ATOM 190 CHAPTER 5 Energy Position Strengthening of Energy.
... obtained by substituting b for R in Eq . ( 5.13 ) with sin 0 = 1.0 . ) The parameter ε is a measure of the relative size difference between the solute and solvent atoms . In a SOFT ATOM 190 CHAPTER 5 Energy Position Strengthening of Energy.
Page 191
... interaction energy vs. position for a hard atom for which the modulus interaction energy has greater magnitude than the size interac- tion energy . The net positive energy results in the force - position curve shown in ( b ) . Here ...
... interaction energy vs. position for a hard atom for which the modulus interaction energy has greater magnitude than the size interac- tion energy . The net positive energy results in the force - position curve shown in ( b ) . Here ...
Contents
Overview of Mechanical Behavior | 1 |
Toughening Mechanisms and the Physics of Fracture | 10 |
Elastic Behavior | 44 |
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alloys applied stress behavior brittle Burgers vector ceramics Chap CHAPTER Coble creep composite crack growth crack propagation crack tip craze creep fracture creep rate Crystalline Materials cubic curve cyclical decreases diffusion diffusional discussed dislocation density dislocation line dislocation motion displacement ductile ductile fracture edge dislocation embrittlement energy equation fatigue fiber Figure flow stress Fracture Mechanics fracture toughness glass glide grain boundaries hardening high-temperature increases initial length linear elastic loading low-temperature macroscopic martensite material's matrix mechanism map MN/m² Mode modulus noncrystalline nucleation obstacles particle phase plastic deformation plastic flow plastic strain polycrystals polymers precipitation Prob ratio region result Schematic screw dislocation SECTION shear stress shown in Fig single crystal slip plane slip systems solid solute atom steel strain rate strengthening stress levels stress-strain structure superplastic surface takes place temperature tensile strength tensile stress tion toughening transition viscoelastic viscosity volume fraction yield strength