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 697
... stress - strain curves for foams of different relative densities are shown . The solid bold lines separate the three deformation regions ( linear elasticity , elastic buckling , and densification ) depending upon the applied stress and ...
... stress - strain curves for foams of different relative densities are shown . The solid bold lines separate the three deformation regions ( linear elasticity , elastic buckling , and densification ) depending upon the applied stress and ...
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 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/mē 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