Mechanical Behavior of Materials |
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Page 331
... Region II Region III Region I In έ . Decreasing grain size or increasing temperature Decreasing grain size or increasing temperature Region I Region II Region III Figure 7.25 In & ( a ) The low - stress - strain rate behavior of a ...
... Region II Region III Region I In έ . Decreasing grain size or increasing temperature Decreasing grain size or increasing temperature Region I Region II Region III Figure 7.25 In & ( a ) The low - stress - strain rate behavior of a ...
Page 392
... ( Region 1 ) is followed by yielding ( Region 2 ) . Yielding is associated with plastic deformation of the crystalline regions , which generally involves mechanisms of flow ( e.g. , twinning ) other than the dislocation motion common to ...
... ( Region 1 ) is followed by yielding ( Region 2 ) . Yielding is associated with plastic deformation of the crystalline regions , which generally involves mechanisms of flow ( e.g. , twinning ) other than the dislocation motion common to ...
Page 608
... Region II . When crazing occurs , N , values are less than predicted by this extrapolation . Thus , a Region I may or may not be present in the diagram , depending on the polymer defor- mation behavior . a a serve , as it were , as ...
... Region II . When crazing occurs , N , values are less than predicted by this extrapolation . Thus , a Region I may or may not be present in the diagram , depending on the polymer defor- mation behavior . a a serve , as it were , as ...
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 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