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 290
... toughness in notched samples is that reflected by the notched to smooth bar tensile strength ratio . A low ratio reflects considerable notch sensitivity and low toughness , and a high ratio — say , greater than two - depicts high toughness ...
... toughness in notched samples is that reflected by the notched to smooth bar tensile strength ratio . A low ratio reflects considerable notch sensitivity and low toughness , and a high ratio — say , greater than two - depicts high toughness ...
Page 406
... toughness was defined by the area under the stress - strain curve ; consequently , toughness would be highest when an optimum combination of strength and ductility is developed . Again , in Chapter 8 we saw that fracture toughness of a ...
... toughness was defined by the area under the stress - strain curve ; consequently , toughness would be highest when an optimum combination of strength and ductility is developed . Again , in Chapter 8 we saw that fracture toughness of a ...
Page 435
... toughness ( MPa√m ) 20 20 10 Underaged Overaged Overaged www 300 Underaged 400 50 50 T 40 T 30 ksi√in . 20 20 10 10 500 Yield strength ( MPa ) FIGURE 10.29 Toughness ... toughness 10.4 OPTIMIZING MICROSTRUCTURES FOR MAXIMUM TOUGHNESS 435.
... toughness ( MPa√m ) 20 20 10 Underaged Overaged Overaged www 300 Underaged 400 50 50 T 40 T 30 ksi√in . 20 20 10 10 500 Yield strength ( MPa ) FIGURE 10.29 Toughness ... toughness 10.4 OPTIMIZING MICROSTRUCTURES FOR MAXIMUM TOUGHNESS 435.
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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