Mechanical Behavior of Materials |
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Page 140
... polycrystals is inherently related to slip processes occurring within individual crystals of the polycrystalline aggregate . However , since some grains are oriented more favorably than others for effecting dislocation glide , plastic ...
... polycrystals is inherently related to slip processes occurring within individual crystals of the polycrystalline aggregate . However , since some grains are oriented more favorably than others for effecting dislocation glide , plastic ...
Page 159
... polycrystals requires slip on more than one slip system ; this accounts for the absence of an easy glide region dur- ing polycrystalline flow as well as , in part , the higher tensile flow stresses of poly- crystals compared to single ...
... polycrystals requires slip on more than one slip system ; this accounts for the absence of an easy glide region dur- ing polycrystalline flow as well as , in part , the higher tensile flow stresses of poly- crystals compared to single ...
Page 169
... polycrystalline plastic flow and , as a result , an easy glide region is not observed in the tensile flow curves of polycrystals . Instead , the work- hardening behavior of polycrystals more closely resembles that for Stage II - Stage ...
... polycrystalline plastic flow and , as a result , an easy glide region is not observed in the tensile flow curves of polycrystals . Instead , the work- hardening behavior of polycrystals more closely resembles that for Stage II - Stage ...
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/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 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