Mechanical Behavior of Materials |
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Page 23
... maximum shear stress is equal to the radius of the Mohr's circle in both cases . ) Thus , a second tensile component of stress reduces the magnitude of the maximum shear stress and , therefore , ought to delay the initiation of plastic ...
... maximum shear stress is equal to the radius of the Mohr's circle in both cases . ) Thus , a second tensile component of stress reduces the magnitude of the maximum shear stress and , therefore , ought to delay the initiation of plastic ...
Page 208
... maximum in strength occurs at a crit- ical particle size . ( Data from L. M. Brown and R. H. Ham , Strengthening Mechanisms in Crystals , ed . A. Kelly and R. B. Nicholson , Wiley , New York , 1971 , p . 10. ) The increase in shear ...
... maximum in strength occurs at a crit- ical particle size . ( Data from L. M. Brown and R. H. Ham , Strengthening Mechanisms in Crystals , ed . A. Kelly and R. B. Nicholson , Wiley , New York , 1971 , p . 10. ) The increase in shear ...
Page 445
... maximum tensile stress is found on the bar surface . The mod- ulus of rupture is equal to this stress at fracture and is obtained as σ , = 6M / bd2 , where M is the moment causing fracture , d the sample thick- ness , and b the ...
... maximum tensile stress is found on the bar surface . The mod- ulus of rupture is equal to this stress at fracture and is obtained as σ , = 6M / bd2 , where M is the moment causing fracture , d the sample thick- ness , and b the ...
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