Deformation and Fracture Mechanics of Engineering MaterialsUpdated to reflect recent developments in our understanding of deformation and fracture processes in structural materials. This completely revised reference includes new sections on isostress analysis, modulus of rupture, creep fracture micromechanicsms, and many more. |
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Page 37
... shear stresses produce an axial stress along the fiber given by σαπρ σ2πr2 = τ122πrz ( 1-39 ) where σ = axial stress along the fiber length zz Tr2 shear stress acting along the fiber - matrix interface at the ends of the fiber r = fiber ...
... shear stresses produce an axial stress along the fiber given by σαπρ σ2πr2 = τ122πrz ( 1-39 ) where σ = axial stress along the fiber length zz Tr2 shear stress acting along the fiber - matrix interface at the ends of the fiber r = fiber ...
Page 115
... shear stress is high enough ; twinning will occur if the resolved shear stress along the K1 and n1 twin elements is high enough and the direction of loading consistent with the twinning process . For example , Fig . 3.25 shows that the ...
... shear stress is high enough ; twinning will occur if the resolved shear stress along the K1 and n1 twin elements is high enough and the direction of loading consistent with the twinning process . For example , Fig . 3.25 shows that the ...
Page 131
... shear stresses are associated with a screw dislocation , whereas both shear and hydrostatic stress fields surround an edge dislo- cation . Regarding the latter , one finds that the edge dislocation is surrounded by combined shear ...
... shear stresses are associated with a screw dislocation , whereas both shear and hydrostatic stress fields surround an edge dislo- cation . Regarding the latter , one finds that the edge dislocation is surrounded by combined shear ...
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addition alloy aluminum alloy applied stress associated ASTM atoms behavior brittle ceramics Chapter Charpy component composite crack extension crack growth crack length crack tip craze creep rate crystal curve cyclic decrease depends determined dislocation ductility elastic embrittlement engineering example factor failure fiber FIGURE flaw fracture mechanics fracture surface fracture toughness given grain boundaries hardening hydrogen increasing initial KIEAC lattice load maraging steels martensite material material's matrix Metals Park microstructure microvoid modulus notch Note occur oriented parameter particles phase plane plane-strain plastic deformation plastic zone plate polymer polymeric region relative Reprinted with permission result rupture sample screw dislocation Section shear stress shown in Fig solid solution specimen stacking fault energy steel alloys strain rate stress concentration stress field stress intensity stress level stress-strain stress-strain curve superalloys tensile stress test temperature thermal thickness toughening Trans transition temperature twinning values yield strength