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 material ; ( b ) wavy glide in high stacking fault energy material . getically unfavorable atomic movements . Therefore , cross - slip of an extended screw dislocation around obstacles is not permitted without thermally activated ...
... energy material ; ( b ) wavy glide in high stacking fault energy material . getically unfavorable atomic movements . Therefore , cross - slip of an extended screw dislocation around obstacles is not permitted without thermally activated ...
Page 315
... energy ( related to the release of stored elastic energy and work done by movement of the external loads ) and the increase in surface energy resulting from the presence of the crack . Likewise , an existing crack would grow by some ...
... energy ( related to the release of stored elastic energy and work done by movement of the external loads ) and the increase in surface energy resulting from the presence of the crack . Likewise , an existing crack would grow by some ...
Page 391
... energy ( lb / in . ) 400 300 200 20 20 100 T o Hollow points are percent shear • Notched □ Fatigue T 80 88 40 40 69 ... energy for failure represented energy for crack propagation but not energy to initiate the crack . ET = E¡ + Ep Ет ...
... energy ( lb / in . ) 400 300 200 20 20 100 T o Hollow points are percent shear • Notched □ Fatigue T 80 88 40 40 69 ... energy for failure represented energy for crack propagation but not energy to initiate the crack . ET = E¡ + Ep Ет ...
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addition alloy aluminum alloy applied stress associated ASTM atoms behavior brittle ceramics Chapter Charpy component composite crack extension crack growth crack length crack tip craze creep rate crystal curve cyclic decrease depends determined dislocation ductility elastic embrittlement engineering example factor failure fiber FIGURE flaw fracture mechanics fracture surface fracture toughness given grain boundaries hardening hydrogen increasing initial KIEAC lattice load maraging steels martensite material material's matrix Metals Park microstructure microvoid modulus notch Note occur oriented parameter particles phase plane plane-strain plastic deformation plastic zone plate polymer polymeric region relative Reprinted with permission result rupture sample screw dislocation Section shear stress shown in Fig solid solution specimen stacking fault energy steel alloys strain rate stress concentration stress field stress intensity stress level stress-strain stress-strain curve superalloys tensile stress test temperature thermal thickness toughening Trans transition temperature twinning values yield strength