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 279
... thickness , it follows that the fracture toughness K will vary with thickness as shown in Fig . 8.12 . When the sample is thin ( for example , at t1 ) and the degree of plastic constraint acting at the crack tip minimal , plane stress ...
... thickness , it follows that the fracture toughness K will vary with thickness as shown in Fig . 8.12 . When the sample is thin ( for example , at t1 ) and the degree of plastic constraint acting at the crack tip minimal , plane stress ...
Page 280
... thickness effects may be avoided . Since stress state effects on fracture toughness are affected by the size of the plastic enclave in relation to the sheet thickness , it is informative to consider the change in stress state in terms ...
... thickness effects may be avoided . Since stress state effects on fracture toughness are affected by the size of the plastic enclave in relation to the sheet thickness , it is informative to consider the change in stress state in terms ...
Page 307
... thickness . Moreover , the transition temperature was different for the two criteria . With increasing sample thickness , it would be expected that the transition temperature would rise to some limiting value as full plane strain ...
... thickness . Moreover , the transition temperature was different for the two criteria . With increasing sample thickness , it would be expected that the transition temperature would rise to some limiting value as full plane strain ...
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Common terms and phrases
alloy aluminum alloy American Society applied stress associated ASTM STP atoms behavior brittle Burgers vector Chapter Charpy component crack growth rate crack length crack tip craze crystal crystalline cycles decreasing depends ductility effect elastic embrittlement engineering environment assisted cracking example failure FIGURE flaw fracture mechanics fracture surface fracture toughness given grain boundary hydrogen initial KIEAC lattice load Materials from copyright metallurgical microstructure modulus MPa Vm notch occur orientation parameter plane strain plane stress plastic deformation plastic zone plate polymer properties R. W. Hertzberg region relationship relative Reprinted with permission response result sample screw dislocation Section sensitivity shear stress shown in Fig slip plane slip systems specimen stacking fault energy strain hardening strain rate stress concentration stress intensity factor stress level stress-strain curve striation Table tensile test temperature Testing and Materials texture thickness Trans transition temperature twin values yield strength