Mechanical Behavior of Materials |
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Page 33
... brittle material is tested in tension , its R.A. is zero or is limited to a few percent , and necking does not occur . Thus , a brittle solid manifests no , or very lit- tle , capacity for macroscopic permanent deformation . In some brittle ...
... brittle material is tested in tension , its R.A. is zero or is limited to a few percent , and necking does not occur . Thus , a brittle solid manifests no , or very lit- tle , capacity for macroscopic permanent deformation . In some brittle ...
Page 479
... brittle . The fracture mech- anism is called cleavage ( if fracture occurs within grains ) or brittle intergranular fracture ( BIF , if it progresses along grain boundaries ) . Figures 10.16b and c illustrate fracture caused by plastic ...
... brittle . The fracture mech- anism is called cleavage ( if fracture occurs within grains ) or brittle intergranular fracture ( BIF , if it progresses along grain boundaries ) . Figures 10.16b and c illustrate fracture caused by plastic ...
Page 513
... brittle ) or additional plastic deforma- tion work ( if the phase is ductile ) . Bridging also plays an important role in toughening of ceramic - ceramic composites and brittle fiber reinforced plastics . The toughnesses of these ...
... brittle ) or additional plastic deforma- tion work ( if the phase is ductile ) . Bridging also plays an important role in toughening of ceramic - ceramic composites and brittle fiber reinforced plastics . The toughnesses of these ...
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 brittle Burgers vector ceramics Chap CHAPTER Coble creep composite crack growth crack propagation crack tip craze creep fracture creep rate Crystalline Materials cubic curve cyclical decreases diffusion diffusional discussed dislocation density dislocation line dislocation motion displacement ductile ductile fracture edge dislocation embrittlement energy equation fatigue fiber Figure flow stress Fracture Mechanics fracture toughness glass glide grain boundaries hardening high-temperature increases initial length linear elastic loading low-temperature macroscopic martensite material's matrix mechanism map MN/m² Mode modulus noncrystalline nucleation obstacles particle phase plastic deformation plastic flow plastic strain polycrystals polymers precipitation Prob ratio region result Schematic screw dislocation SECTION shear stress shown in Fig single crystal slip plane slip systems solid solute atom steel strain rate strengthening stress levels stress-strain structure superplastic surface takes place temperature tensile strength tensile stress tion toughening transition viscoelastic viscosity volume fraction yield strength