Mechanical Behavior of Materials |
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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 + Aέ . 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 + Aέ . Likewise , dislocation creep ...
Page 484
... stress levels and strain rates . The only low - temperature fracture mode observed in Ni is ductile transgranular fracture . It occurs at stress levels above the tensile strength but below those resulting in dynamic fracture . High ...
... stress levels and strain rates . The only low - temperature fracture mode observed in Ni is ductile transgranular fracture . It occurs at stress levels above the tensile strength but below those resulting in dynamic fracture . High ...
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 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/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 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