Mechanical Behavior of Materials |
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Page 133
... dislocation population , but it shouldn't . The equations are appropriate to the total dislocation density , provided x and u are measured relative to this population . The same result is obtained if the mobile dislocation density is ...
... dislocation population , but it shouldn't . The equations are appropriate to the total dislocation density , provided x and u are measured relative to this population . The same result is obtained if the mobile dislocation density is ...
Page 179
... dislocation density accompanying continued plastic deformation is responsible for work hardening ; that is , dislocations themselves are obstacles to dis- location motion . Depending on the type of interaction that takes place among mov ...
... dislocation density accompanying continued plastic deformation is responsible for work hardening ; that is , dislocations themselves are obstacles to dis- location motion . Depending on the type of interaction that takes place among mov ...
Page 180
... Dislocation density , p ( m2 ) 1013 102 1044 1015 10 ' Resolved shear stress ( psi ) · Figure 5.4 Critical resolved shear stress as a function of dislocation density for Cu single crys- tals and polycrystals . The observed slope of 1⁄2 ...
... Dislocation density , p ( m2 ) 1013 102 1044 1015 10 ' Resolved shear stress ( psi ) · Figure 5.4 Critical resolved shear stress as a function of dislocation density for Cu single crys- tals and polycrystals . The observed slope of 1⁄2 ...
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/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