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 112
... twinning mode raises serious doubts regarding the existence of a critical resolved shear stress ( CRSS ) for twinning , as a counterpart to the well - documented CRSS for slip . Fur- thermore , the large degree of scatter in reported ...
... twinning mode raises serious doubts regarding the existence of a critical resolved shear stress ( CRSS ) for twinning , as a counterpart to the well - documented CRSS for slip . Fur- thermore , the large degree of scatter in reported ...
Page 115
... twinning will occur via the mode possessing the lowest shear strain . As might be expected , there is competition not only between twin modes but also between slip and twinning as the dominant deformation mechanism under specific test ...
... twinning will occur via the mode possessing the lowest shear strain . As might be expected , there is competition not only between twin modes but also between slip and twinning as the dominant deformation mechanism under specific test ...
Page 116
... Twinning 40 50 60 Prism slip 70 80 90 Angle between stress axis and pole of basal plane FIGURE 3.25 Competitive aspects of prism slip and { 1012 } twinning in zirconium . ( After Reed - Hill37 ; reprinted with permission from Gordon and ...
... Twinning 40 50 60 Prism slip 70 80 90 Angle between stress axis and pole of basal plane FIGURE 3.25 Competitive aspects of prism slip and { 1012 } twinning in zirconium . ( After Reed - Hill37 ; reprinted with permission from Gordon and ...
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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