Mechanical Behavior of Materials |
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Page 295
... stress - temperature combination at which time - dependent plasticity occurs . Here , if the stress level is greater than the yield strength , the initial strain may include some time - independent plastic strain . But even if it does ...
... stress - temperature combination at which time - dependent plasticity occurs . Here , if the stress level is greater than the yield strength , the initial strain may include some time - independent plastic strain . But even if it does ...
Page 335
Thomas H. Courtney. the sum of the individual strain rates . This leads to stress - strain rate behavior simi- lar to that shown in Fig . 7.25 . In Region I , grain switching dominates and σ = σ0 + A & . Likewise , dislocation creep ...
Thomas H. Courtney. the sum of the individual strain rates . This leads to stress - strain rate behavior simi- lar to that shown in Fig . 7.25 . In Region I , grain switching dominates and σ = σ0 + A & . Likewise , dislocation creep ...
Page 545
... stress levels . Boundary - diffusion - controlled void growth should dominate at low stress levels , for it depends only linearly on the stress . At somewhat higher stresses , surface - diffusion control - for which the dam- age rate ...
... stress levels . Boundary - diffusion - controlled void growth should dominate at low stress levels , for it depends only linearly on the stress . At somewhat higher stresses , surface - diffusion control - for which the dam- age rate ...
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/mē 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