Mechanical Behavior of Materials |
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Page 7
... stress - strain curve . ( a ) Following linear elastic deformation , plastic flow commences at a stress approximately equal to the yield strength , σ ,. Following yielding , the material work hardens ; the stress required to continue ...
... stress - strain curve . ( a ) Following linear elastic deformation , plastic flow commences at a stress approximately equal to the yield strength , σ ,. Following yielding , the material work hardens ; the stress required to continue ...
Page 600
... Stress amplitude vs. number of cycles for " history - independent ” materials . The steady - state stress amplitude ... strain curve is the loci of points representing the steady - state stress amplitude as a function of plastic strain ...
... Stress amplitude vs. number of cycles for " history - independent ” materials . The steady - state stress amplitude ... strain curve is the loci of points representing the steady - state stress amplitude as a function of plastic strain ...
Page 699
... stress - strain curves of a fully dense solid and a cellular solid . The shaded areas correspond to the energy absorption per unit volume . For the same peak stress ( σ , ) , the energy absorbed is much greater in the cellular solid ...
... stress - strain curves of a fully dense solid and a cellular solid . The shaded areas correspond to the energy absorption per unit volume . For the same peak stress ( σ , ) , the energy absorbed is much greater in the cellular solid ...
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/m² 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