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
... interaction , the modulus effect ( be it attractive or repulsive ) does not depend on whether the solute atom lies above or below the glide plane . Both the size and modulus effects produce a dislocation - solute atom interaction energy ...
... interaction , the modulus effect ( be it attractive or repulsive ) does not depend on whether the solute atom lies above or below the glide plane . Both the size and modulus effects produce a dislocation - solute atom interaction 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 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/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 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