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 49
... dislocation is defined by the edge of the extra half plane of atoms shown in Fig . 2.3 . Note how this extra half plane is wedged into the top half of the ... Dislocation climb in- volving vacancy ( ) ELEMENTS OF DISLOCATION THEORY / 49.
... dislocation is defined by the edge of the extra half plane of atoms shown in Fig . 2.3 . Note how this extra half plane is wedged into the top half of the ... Dislocation climb in- volving vacancy ( ) ELEMENTS OF DISLOCATION THEORY / 49.
Page 50
... dislocation allowing its move- ment to climb from plane A to plane B. A B FIGURE 2.8 Screw dislocation AB resulting from displacement of one part of crystal relative to the other . Note AB is parallel to b . produces a translation equal ...
... dislocation allowing its move- ment to climb from plane A to plane B. A B FIGURE 2.8 Screw dislocation AB resulting from displacement of one part of crystal relative to the other . Note AB is parallel to b . produces a translation equal ...
Page 60
... dislocations can form stable arrays of dislocations located vertically above one another in the form of simple tilt boundaries ( Fig . 2.12 ) . 2.7 DISLOCATION - DISLOCATION INTERACTIONS Since dislocations of the same sign will repel ...
... dislocations can form stable arrays of dislocations located vertically above one another in the form of simple tilt boundaries ( Fig . 2.12 ) . 2.7 DISLOCATION - DISLOCATION INTERACTIONS Since dislocations of the same sign will repel ...
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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