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 74
... Consequently , it is necessary to apply a stress T so that the dislocation line remains curved . This stress is shown to increase with increasing line tension T and decreasing radius of curvature R where τα T bR Combining Eqs . 2-18 and ...
... Consequently , it is necessary to apply a stress T so that the dislocation line remains curved . This stress is shown to increase with increasing line tension T and decreasing radius of curvature R where τα T bR Combining Eqs . 2-18 and ...
Page 81
... Consequently , their presence does not impede the overall motion of the dislocation . In summary , jogs generated in edge dislocations will not affect the movement of the dislocation . The same cannot be said for intersections involving ...
... Consequently , their presence does not impede the overall motion of the dislocation . In summary , jogs generated in edge dislocations will not affect the movement of the dislocation . The same cannot be said for intersections involving ...
Page 355
... Consequently , different methods must be em- ployed to determine the fracture - toughness value of a material when the final crack length is not clearly defined but is greater than the initial value . Irwin3 proposed that crack ...
... Consequently , different methods must be em- ployed to determine the fracture - toughness value of a material when the final crack length is not clearly defined but is greater than the initial value . Irwin3 proposed that crack ...
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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