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 66
... Burgers circuit . ( The Burgers circuit is a series of atom - to - atom steps along lattice vectors that generate a ... vector needed to close the Burgers circuit ( X'X ) is called the Burgers vector b of the dislo- cation and represents ...
... Burgers circuit . ( The Burgers circuit is a series of atom - to - atom steps along lattice vectors that generate a ... vector needed to close the Burgers circuit ( X'X ) is called the Burgers vector b of the dislo- cation and represents ...
Page 68
... Burgers vector b . Since many dislocations in a crystalline solid are curved like the one shown in Fig . 2.10a , they take on aspects of both edge and screw dislocations . With b the same along the entire length of the dislocation , the ...
... Burgers vector b . Since many dislocations in a crystalline solid are curved like the one shown in Fig . 2.10a , they take on aspects of both edge and screw dislocations . With b the same along the entire length of the dislocation , the ...
Page 80
... Burgers vectors of the two dislocations are at right angles , the inter- section of dislocation AB leads to a simple lengthening of dislocation XY . On the other hand , dislocation XY with a Burgers vector b , cuts dislocation AB ...
... Burgers vectors of the two dislocations are at right angles , the inter- section of dislocation AB leads to a simple lengthening of dislocation XY . On the other hand , dislocation XY with a Burgers vector b , cuts dislocation AB ...
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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