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 131
... stress fields surrounding both edge and screw dislocations , we see from Figs . 2.14 and 2.15 that shear stresses are associated with a screw dislocation , whereas both shear and hydrostatic stress fields surround an edge dislo- cation ...
... stress fields surrounding both edge and screw dislocations , we see from Figs . 2.14 and 2.15 that shear stresses are associated with a screw dislocation , whereas both shear and hydrostatic stress fields surround an edge dislo- cation ...
Page 200
... stress rather than the applied stress ; the effective stress is defined as the applied stress minus a back stress that reflects dislocation interactions with Y2O3 dispersion strengthening particles . When the ap- plied stress level is ...
... stress rather than the applied stress ; the effective stress is defined as the applied stress minus a back stress that reflects dislocation interactions with Y2O3 dispersion strengthening particles . When the ap- plied stress level is ...
Page 332
... stress - intensity condition along elliptical surface at A a = depth of elliptical flaw 1.12 sec- c = half width of elliptical flaw t = plate thickness surface flaw correction at A 3σ = stress concentration effect at A Q = elliptical ...
... stress - intensity condition along elliptical surface at A a = depth of elliptical flaw 1.12 sec- c = half width of elliptical flaw t = plate thickness surface flaw correction at A 3σ = stress concentration effect at A Q = elliptical ...
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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