Mechanical Behavior of Materials |
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Page 585
... Crack growth rate increases as crack length increases . This rate is mea- sured by the instantaneous slope of the curves . These schematics are constructed for a fixed stress ampli- tude , but the stress ratio R ( = σmin / max ) differs ...
... Crack growth rate increases as crack length increases . This rate is mea- sured by the instantaneous slope of the curves . These schematics are constructed for a fixed stress ampli- tude , but the stress ratio R ( = σmin / max ) differs ...
Page 654
... crack growth ) is less than the corresponding liquid - flow rate for LME but somewhat greater than , for example , the anion - diffusion rates that control some forms of SCC Stage II crack growth . The threshold stress intensity , KICHE ...
... crack growth ) is less than the corresponding liquid - flow rate for LME but somewhat greater than , for example , the anion - diffusion rates that control some forms of SCC Stage II crack growth . The threshold stress intensity , KICHE ...
Page 673
... crack - growth rate . During this stage , crack growth is con- trolled by the usual kinetic considerations . Unstable , final crack growth occurs at a K value that is nearly independent of the humidity level . Modeling of the crack- growth ...
... crack - growth rate . During this stage , crack growth is con- trolled by the usual kinetic considerations . Unstable , final crack growth occurs at a K value that is nearly independent of the humidity level . Modeling of the crack- growth ...
Contents
Overview of Mechanical Behavior | 1 |
Toughening Mechanisms and the Physics of Fracture | 10 |
A The Tension Test B StrainRate Sensitivity C Yielding Under | 28 |
Copyright | |
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alloys applied stress behavior bonding brittle Burgers vector ceramics Chap CHAPTER Coble creep composite crack growth crack propagation crack tip creep fracture creep rate Crystalline Materials cubic curve cyclical decreases diffusional discussed dislocation density dislocation line dislocation motion displacement ductile ductile fracture edge dislocation embrittlement energy equation example fatigue fiber Figure flow stress Fracture Mechanics fracture toughness glass grain boundaries hardening high-temperature increases initial length linear elastic loading low-temperature martensite material's matrix mechanism map microscopic MN/m² Mode 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 solute atom steel strain rate strengthening stress levels stress-strain structure superplastic surface takes place temperature tensile strength tensile stress tion toughening transition viscoelastic volume fraction yield strength