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 78
... energy of the associated stacking fault . According to Cottrell , this separation distance varies inversely with the stacking fault energy ( SFE ) and may be given by d = G ( b2b3 ) 2πγ ( 3-1 ) where d = partial dislocation separation ...
... energy of the associated stacking fault . According to Cottrell , this separation distance varies inversely with the stacking fault energy ( SFE ) and may be given by d = G ( b2b3 ) 2πγ ( 3-1 ) where d = partial dislocation separation ...
Page 79
... stacking fault energy ( Eq . 3-1 ) . For materials with low stacking fault energy , partial dislocation separation is large ( on the order of 10 to 20 b ) and the force necessary for recombination is large . Conversely , little stress ...
... stacking fault energy ( Eq . 3-1 ) . For materials with low stacking fault energy , partial dislocation separation is large ( on the order of 10 to 20 b ) and the force necessary for recombination is large . Conversely , little stress ...
Page 94
... stacking fault energy materials since cross - slip would be activated at a lower stress . Conversely , a low stacking fault energy material , such as brass , would require a larger stress necessary to force the widely separated partial ...
... stacking fault energy materials since cross - slip would be activated at a lower stress . Conversely , a low stacking fault energy material , such as brass , would require a larger stress necessary to force the widely separated partial ...
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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