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 102
... twin . Displacements are proportional to distance from twin plane . the twinned solid results from atom movements taking place on all planes in fractional amounts within the twin . In fact , we see from Fig . 4.1c that the displacement ...
... twin . Displacements are proportional to distance from twin plane . the twinned solid results from atom movements taking place on all planes in fractional amounts within the twin . In fact , we see from Fig . 4.1c that the displacement ...
Page 105
... twin as being of the first kind . The orientation change resulting from this twin can be accounted for by reflection in the K , plane or by a 180 - degree rotation about the normal to K ,. When K2 and ŋ , are rational but K , and 2 are ...
... twin as being of the first kind . The orientation change resulting from this twin can be accounted for by reflection in the K , plane or by a 180 - degree rotation about the normal to K ,. When K2 and ŋ , are rational but K , and 2 are ...
Page 107
... twin - matrix interface regions . Lens angle ẞ increases with decreasing twin shear and increasing ability of matrix to accommodate the twin strain concentration . ! are also needed to account for the requirement of a much lower stress ...
... twin - matrix interface regions . Lens angle ẞ increases with decreasing twin shear and increasing ability of matrix to accommodate the twin strain concentration . ! are also needed to account for the requirement of a much lower stress ...
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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