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 488
... hydrogen , which then introduces the basis for HAC . 11.1.1 Hydrogen - Embrittlement Models The flow diagram shown in Fig . 11.4 provides a useful summary of hydrogen sources , transport paths , destinations , and induced fracture ...
... hydrogen , which then introduces the basis for HAC . 11.1.1 Hydrogen - Embrittlement Models The flow diagram shown in Fig . 11.4 provides a useful summary of hydrogen sources , transport paths , destinations , and induced fracture ...
Page 489
... hydrogen gases and water is illustrated in Fig . 11.5.19 Note the severe effect of dry hydrogen and moisture on the cracking rate , while oxygen causes total crack arrest . It is presently believed that molecular hydrogen is dissociated ...
... hydrogen gases and water is illustrated in Fig . 11.5.19 Note the severe effect of dry hydrogen and moisture on the cracking rate , while oxygen causes total crack arrest . It is presently believed that molecular hydrogen is dissociated ...
Page 507
... hydrogen embrittlement in steel . On the one hand , test conditions have been reported in which the presence of hydrogen allowed plastic flow ( i.e. , dislocation movement ) to occur at abnormally low stress levels and resulted in ...
... hydrogen embrittlement in steel . On the one hand , test conditions have been reported in which the presence of hydrogen allowed plastic flow ( i.e. , dislocation movement ) to occur at abnormally low stress levels and resulted in ...
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addition aluminum alloy applied stress associated ASTM ASTM STP atoms behavior brittle Burgers vector ceramics Chapter Charpy component composite corrosion crack extension crack growth rate crack length crack propagation crack tip creep crystal curve cycles cyclic da/dN decrease depends determined dislocation ductility elastic embrittlement energy engineering example failure fatigue crack fiber FIGURE flaw fracture mechanics fracture surface fracture toughness given grain boundaries hydrogen increasing initial KIEAC Kmax lattice load maraging steels martensite material matrix Metals microstructure modulus MPa√m notch Note occur orientation particles phase plane-strain plastic deformation plastic zone plate polymer R. W. Hertzberg region Reprinted with permission result sample screw dislocation Section shear stress shown in Fig solid specimen stacking fault energy steel alloys stress concentration stress corrosion cracking stress intensity factor stress level stress-strain stress-strain curve test temperature thermal thickness toughening Trans transition temperature twin yield strength