Mechanical Behavior of Materials |
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Page 16
... flow stress of a material , although the degree to which it does so is a strong function of the temperature and is ... flow of noncrystalline solids ( Chap . 8 ) . For the present we simply note that the strain - rate sensitivity of the ...
... flow stress of a material , although the degree to which it does so is a strong function of the temperature and is ... flow of noncrystalline solids ( Chap . 8 ) . For the present we simply note that the strain - rate sensitivity of the ...
Page 169
... yield and flow at considerably higher stress levels . This is a direct result of constraints that neighboring , and differently oriented , grains within the polycrystal place on each other . These constraints necessitate the operation ...
... yield and flow at considerably higher stress levels . This is a direct result of constraints that neighboring , and differently oriented , grains within the polycrystal place on each other . These constraints necessitate the operation ...
Page 240
... flow stress and , thus , hardness varies with dislocation density in the same manner as flow stress . ) d The stress concentration in front of a crack tip produces a plastic zone there . The radius ( r ) of this zone is approximately r ...
... flow stress and , thus , hardness varies with dislocation density in the same manner as flow stress . ) d The stress concentration in front of a crack tip produces a plastic zone there . The radius ( r ) of this zone is approximately r ...
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 depends discussed dislocation density dislocation line dislocation motion displacement ductile ductile fracture edge dislocation embrittlement energy equation example fatigue fcc metals fiber Figure flow stress Fracture Mechanics fracture toughness glass grain boundaries hardening high-temperature increases initial length linear elastic loading low-temperature macroscopic martensite material's matrix 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 steel strain rate strengthening stress-strain structure superplastic surface takes place TCRSS temperature tensile axis tensile strength tensile stress tion toughening transition viscoelastic volume fraction work-hardening yield strength