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 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 51
... screw dislocation from one slip plane to another takes place by a process known as cross - slip and may be understood by examining Fig . 2.9 . At the onset of plastic deformation , the screw dislocation XY is seen to be moving on plane ...
... screw dislocation from one slip plane to another takes place by a process known as cross - slip and may be understood by examining Fig . 2.9 . At the onset of plastic deformation , the screw dislocation XY is seen to be moving on plane ...
Page 62
... screw jogs PP ' and QQ ' . ( From Hull , reprinted with permission from Hull , Introduction to Dislocations , Pergamon Press , 1965. ) 11 discussion , PP ' will not impede the motion of dislocation AB , whereas QQ ' will restrict the ...
... screw jogs PP ' and QQ ' . ( From Hull , reprinted with permission from Hull , Introduction to Dislocations , Pergamon Press , 1965. ) 11 discussion , PP ' will not impede the motion of dislocation AB , whereas QQ ' will restrict the ...
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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