Mechanical Behavior of Materials |
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Page 16
... increase in strain rate generally increases the flow stress of a material , although the degree to which it does so is a strong function of the temperature and is specific to the material . There are a number of reasons for this strain ...
... increase in strain rate generally increases the flow stress of a material , although the degree to which it does so is a strong function of the temperature and is specific to the material . There are a number of reasons for this strain ...
Page 207
... increases approximately with 1/2 at small r . However , for a fixed particle volume fraction , this stress may de- crease at larger values of r owing to an increase in particle spacing . The overall level of the T r curve is raised by ...
... increases approximately with 1/2 at small r . However , for a fixed particle volume fraction , this stress may de- crease at larger values of r owing to an increase in particle spacing . The overall level of the T r curve is raised by ...
Page 634
... increase in material toughness ac- companying increases in temperature . This is consistent with viewing LME as a special case of brittle fracture , and is also in accord with the strain - rate variation of the upper " ductilizing ...
... increase in material toughness ac- companying increases in temperature . This is consistent with viewing LME as a special case of brittle fracture , and is also in accord with the strain - rate variation of the upper " ductilizing ...
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