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 aluminum alloy applied stress associated ASTM ASTM STP atoms behavior brittle Burgers vector ceramics Chapter Charpy component composite corrosion crack extension crack growth rate crack length crack propagation crack tip creep crystal curve cycles cyclic da/dN decrease depends determined dislocation ductility elastic embrittlement energy engineering example failure fatigue crack fiber FIGURE flaw fracture mechanics fracture surface fracture toughness given grain boundaries hydrogen increasing initial KIEAC Kmax lattice load maraging steels martensite material matrix Metals microstructure modulus MPa√m notch Note occur orientation particles phase plane-strain plastic deformation plastic zone plate polymer R. W. Hertzberg region Reprinted with permission result sample screw dislocation Section shear stress shown in Fig solid specimen stacking fault energy steel alloys stress concentration stress corrosion cracking stress intensity factor stress level stress-strain stress-strain curve test temperature thermal thickness toughening Trans transition temperature twin yield strength