Mechanical Behavior of Materials |
From inside the book
Results 1-3 of 61
Page 36
... crack propagation results . The greater the size of the initial crack , the less the applied nominal stress has to be to cause fracture ; that is , the stress concentration is increased by larger flaws . In some " brittle " solids ...
... crack propagation results . The greater the size of the initial crack , the less the applied nominal stress has to be to cause fracture ; that is , the stress concentration is increased by larger flaws . In some " brittle " solids ...
Page 412
... crack nucleation . Thus , the sequence leading to Mode II fracture is Microscopic plasticity → crack nucleation → crack propagation and the observed fracture stress is the greatest of the stresses required to effect the three ...
... crack nucleation . Thus , the sequence leading to Mode II fracture is Microscopic plasticity → crack nucleation → crack propagation and the observed fracture stress is the greatest of the stresses required to effect the three ...
Page 433
... crack nucleation is minimal ) , and since σ , is less than the crack - propagation stress for this material class , fracture immediately follows yielding . That is , the Mode II fracture strength for the bcc transition metals is the ...
... crack nucleation is minimal ) , and since σ , is less than the crack - propagation stress for this material class , fracture immediately follows yielding . That is , the Mode II fracture strength for the bcc transition metals is the ...
Contents
Elastic Behavior | 46 |
Plastic Deformation in Single and Polycrystalline | 137 |
Strengthening of Crystalline Materials | 162 |
Copyright | |
11 other sections not shown
Other editions - View all
Common terms and phrases
alloys applied stress behavior Burgers vector Chap Coble creep composite crack growth crack tip craze creep fracture creep rate crystalline cubic cyclical decreases diffusion diffusional discussed dislocation density dislocation glide dislocation motion displacement ductile ductile fracture edge dislocation effect embrittlement energy fatigue fiber FIGURE flow stress fracture mechanism fracture toughness glass grain boundaries hardening high-temperature illustrated in Fig increases initial interaction length linear elastic low temperatures martensite material material's matrix mechanism map metals microscopic microstructural MN/m² Mode II fracture modulus Nabarro-Herring noncrystalline nucleation obstacles occurs particle phase plastic deformation plastic flow polycrystal polymers ratio recrystallization region result schematically screw dislocation shear stress shown in Fig single crystals slip plane slip systems solid steel strain rate strengthening stress levels stress-strain curve structure superplastic surface takes place TCRSS tensile strength tensile stress transition values viscoelastic viscosity void growth volume fraction yield strength