Mechanical Behavior of Materials |
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Page 84
... atomic arrangements in the vicinity of the line defects causing plastic flow is necessary to understand how they facilitate the atomic shear process . Thus , we begin our discussions on dislocations by describing these arrangements in ...
... atomic arrangements in the vicinity of the line defects causing plastic flow is necessary to understand how they facilitate the atomic shear process . Thus , we begin our discussions on dislocations by describing these arrangements in ...
Page 132
... atomic directions . Additionally , the fric- tional stress necessary for dislocation motion is minimized when the inter- atomic spacing between glide planes is greatest . Thus , slip on a close - packed atomic plane is favored , and the ...
... atomic directions . Additionally , the fric- tional stress necessary for dislocation motion is minimized when the inter- atomic spacing between glide planes is greatest . Thus , slip on a close - packed atomic plane is favored , and the ...
Page 333
... atomic transit . The applied stress biases the motion of atoms in the direction favored by the stress ; i.e. , the energy of an atom after motion in the direction shown is lower than it is prior to making the atomic jump . The energy ...
... atomic transit . The applied stress biases the motion of atoms in the direction favored by the stress ; i.e. , the energy of an atom after motion in the direction shown is lower than it is prior to making the atomic jump . The energy ...
Contents
B Creep Fracture | 37 |
3 | 76 |
Plastic Deformation in Single and Polycrystalline | 137 |
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alloys applied stress behavior bonding brittle fracture Burgers vector Chap Coble creep composite crack growth crack tip craze creep fracture creep rate crystalline cubic curve cyclical decreases diffusion diffusional discussed dislocation density dislocation motion displacement ductile ductile fracture edge dislocation effect embrittlement energy fatigue fiber FIGURE flow stress fracture mechanism fracture mechanism map fracture modes fracture toughness glass grain boundaries greater hardening high-temperature Homologous temperature illustrated in Fig increases initial length linear elastic low temperatures martensite material material's matrix metals microcracks microscopic MN/m² Mode II fracture modulus neck noncrystalline nucleation occurs particle plastic deformation plastic flow polycrystal polymers recrystallization region result schematically shear stress shown in Fig single crystals slip plane slip systems solid steel strain rate stress levels stress-strain stress-strain curve structure superplastic surface takes place tensile strength tensile stress transition values viscoelastic viscosity void growth volume fraction yield strength