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 585
... increases as crack length increases . This rate is mea- sured by the instantaneous slope of the curves . These schematics are constructed for a fixed stress ampli- tude , but the stress ratio R ( = σmin / max ) differs between the two ...
... increases as crack length increases . This rate is mea- sured by the instantaneous slope of the curves . These schematics are constructed for a fixed stress ampli- tude , but the stress ratio R ( = σmin / max ) differs between the two ...
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/mē 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