Mechanical Behavior of Materials |
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Page 295
... creep strain rate ( έ = dɛldt ) . The creep curves illustrated in Fig . 7.2a can conveniently be divided into three stages . In Stage I ( transient creep ) & decreases with time and strain . ' Transmission- microscopic examination of ...
... creep strain rate ( έ = dɛldt ) . The creep curves illustrated in Fig . 7.2a can conveniently be divided into three stages . In Stage I ( transient creep ) & decreases with time and strain . ' Transmission- microscopic examination of ...
Page 311
... creep processes , the overall creep rate is generally determined by the greatest of the individual creep rates . The concept can be illustrated further by considering the variation of creep rate with stress at temperatures at which both ...
... creep processes , the overall creep rate is generally determined by the greatest of the individual creep rates . The concept can be illustrated further by considering the variation of creep rate with stress at temperatures at which both ...
Page 313
... creep and above which , glide does . ( Prob . 7.9 ) To finally conclude ! The net effective creep rate when parallel creep processes operate is approximately the greater of the creep rates of the respective processes . And when creep ...
... creep and above which , glide does . ( Prob . 7.9 ) To finally conclude ! The net effective creep rate when parallel creep processes operate is approximately the greater of the creep rates of the respective processes . And when creep ...
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