Mechanical Behavior of Materials |
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Page 30
... fracture is another form of failure . In fact , it can legitimately be thought of as the " ultimate " failure . We have described tests that provide material properties ( E and σ ... fracture toughness . Ic F / 2 Figure 1.20 L F / 2 Fracture.
... fracture is another form of failure . In fact , it can legitimately be thought of as the " ultimate " failure . We have described tests that provide material properties ( E and σ ... fracture toughness . Ic F / 2 Figure 1.20 L F / 2 Fracture.
Page 433
... fracture me- chanics references tell us that a = 0.5 and A = 0. Thus , 433 SECTION 9.5 Fracture Toughness and Material Class πιστ K2 = 2 ( 9.27 ) The fracture stress calculated from Eq . ( 9.27 ) is 90 ksi . Hence the launch need not be ...
... fracture me- chanics references tell us that a = 0.5 and A = 0. Thus , 433 SECTION 9.5 Fracture Toughness and Material Class πιστ K2 = 2 ( 9.27 ) The fracture stress calculated from Eq . ( 9.27 ) is 90 ksi . Hence the launch need not be ...
Page 458
... fracture - toughness alloys . Moreover , in some applications ( e.g. , aerospace ) , weight considerations are at a premium and steels , even the highest toughness ones , cannot be used because of their high densities . Instead , lower ...
... fracture - toughness alloys . Moreover , in some applications ( e.g. , aerospace ) , weight considerations are at a premium and steels , even the highest toughness ones , cannot be used because of their high densities . Instead , lower ...
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