Mechanical Behavior of Materials |
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Page 109
... energy per unit volume is Gy2 / 2 ; 4 thus for the volume element located at position r in Fig . 3.23a , the incremental elastic strain energy , dU ' ,, is dU ' = ( 2πrl dr ) Gb2 Gb2l dr = ( 8π22 ) 4π r ( 3.11 ) On integrating Eq ...
... energy per unit volume is Gy2 / 2 ; 4 thus for the volume element located at position r in Fig . 3.23a , the incremental elastic strain energy , dU ' ,, is dU ' = ( 2πrl dr ) Gb2 Gb2l dr = ( 8π22 ) 4π r ( 3.11 ) On integrating Eq ...
Page 413
... energy ( = 4cy per unit sheet thickness for a crack of length 2c ) . As the crack extends , this energy is increased ; thus , this factor restricts crack advance . The other energy is a strain energy associated with the elastic strain ...
... energy ( = 4cy per unit sheet thickness for a crack of length 2c ) . As the crack extends , this energy is increased ; thus , this factor restricts crack advance . The other energy is a strain energy associated with the elastic strain ...
Page 664
... energy neutrons interact with , and transfer energy to , atoms by means of elas- tic collisions . After such an event , the affected atom can be displaced from its lattice position provided sufficient energy is transferred to it ...
... energy neutrons interact with , and transfer energy to , atoms by means of elas- tic collisions . After such an event , the affected atom can be displaced from its lattice position provided sufficient energy is transferred to it ...
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 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 temperatures martensite material's matrix microscopic 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 solute atom steel strain rate strengthening stress levels stress-strain structure superplastic surface takes place TCRSS tensile axis tensile strength tensile stress tion toughening transition viscoelastic volume fraction work-hardening yield strength