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 342
... PLANE STRESS VERSUS PLANE STRAIN As discussed in Section 8.5 , the plastic - zone size depends on the state of stress acting at the crack tip . When the sample is thick in a direction parallel to the crack front , a large σ stress can ...
... PLANE STRESS VERSUS PLANE STRAIN As discussed in Section 8.5 , the plastic - zone size depends on the state of stress acting at the crack tip . When the sample is thick in a direction parallel to the crack front , a large σ stress can ...
Page 343
... plane - stress fracture toughness K。 is related to both metallurgical and specimen geometry , while the plane - strain fracture toughness Kic depends only on metallurgical factors . Consequently ... PLANE STRESS VERSUS PLANE STRAIN 343.
... plane - stress fracture toughness K。 is related to both metallurgical and specimen geometry , while the plane - strain fracture toughness Kic depends only on metallurgical factors . Consequently ... PLANE STRESS VERSUS PLANE STRAIN 343.
Page 344
... planes containing the maximum resolved shear stress . ( Since σ2 O in plane stress , a Mohr circle construc- tion will show that the planes of maximum shear will lie along ± 45 ° lines in the YZ plane . ) In plane strain , where σ ≈ v ...
... planes containing the maximum resolved shear stress . ( Since σ2 O in plane stress , a Mohr circle construc- tion will show that the planes of maximum shear will lie along ± 45 ° lines in the YZ plane . ) In plane strain , where σ ≈ v ...
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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