Mechanical Behavior of Materials |
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Page 162
... ceramics are brit- tle , and it is difficult to test them in tension for they often crack when gripped to do so . Further , many ceramics contain preexisting flaws which cause them to fracture prematurely . Thus , even though ceramics ...
... ceramics are brit- tle , and it is difficult to test them in tension for they often crack when gripped to do so . Further , many ceramics contain preexisting flaws which cause them to fracture prematurely . Thus , even though ceramics ...
Page 443
... ceramics differs from that with metals , on at least two im- portant accounts . As a result of the brittleness of ceramics , design is predicated only on preventing their fracture . That is , the design operating stress is made less ...
... ceramics differs from that with metals , on at least two im- portant accounts . As a result of the brittleness of ceramics , design is predicated only on preventing their fracture . That is , the design operating stress is made less ...
Page 463
... ceramics . However , many ceramics are not cubic and manifest anisotropic thermal expansion coeffi- cients . In single - phase materials of these ceramics , thermal residual stresses may therefore be present . For example , if a grain ...
... ceramics . However , many ceramics are not cubic and manifest anisotropic thermal expansion coeffi- cients . In single - phase materials of these ceramics , thermal residual stresses may therefore be present . For example , if a grain ...
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