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
... 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 ...
Page 245
... shear yielding ( Fig . 6.29 ) . For the biaxial stress case , shear yielding was found to depend on the mean normal stress with Toct = TO - μστ where Toct = octahedral yield stress To Om = rate- and temperature - dependent octahedral ...
... shear yielding ( Fig . 6.29 ) . For the biaxial stress case , shear yielding was found to depend on the mean normal stress with Toct = TO - μστ where Toct = octahedral yield stress To Om = rate- and temperature - dependent octahedral ...
Page 345
... shear lips in a steel Charpy sample . Internal shear lips are associated with the formation of center - line de- lamination . ( Photograph courtesy of K. Vecchio . ) From this discussion , it is clear that shear lips form at the free ...
... shear lips in a steel Charpy sample . Internal shear lips are associated with the formation of center - line de- lamination . ( Photograph courtesy of K. Vecchio . ) From this discussion , it is clear that shear lips form at the free ...
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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