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 329
... flaw or a semicircular surface flaw . An embedded elliptical or semielliptical surface flaw will grow such that a / 2c always increases to a limiting value of 0.5 . ( For the semielliptical surface flaw , the equilibrium a / 2c is ...
... flaw or a semicircular surface flaw . An embedded elliptical or semielliptical surface flaw will grow such that a / 2c always increases to a limiting value of 0.5 . ( For the semielliptical surface flaw , the equilibrium a / 2c is ...
Page 334
... flaw tends to grow more rapidly in a direction parallel to the minor axis of the ellipse ( where ẞ = 90 ° ) until the flaw approaches a semicircular B configuration . The crack would then continue to grow as an ever - expanding circle ...
... flaw tends to grow more rapidly in a direction parallel to the minor axis of the ellipse ( where ẞ = 90 ° ) until the flaw approaches a semicircular B configuration . The crack would then continue to grow as an ever - expanding circle ...
Page 600
... flaw size . A dramatically different conclusion is reached if life calculations are based on equal starting AK conditions ( an alternative design assumption ) . For the first example , the 0.15 - mm deep elliptical flaw together with a ...
... flaw size . A dramatically different conclusion is reached if life calculations are based on equal starting AK conditions ( an alternative design assumption ) . For the first example , the 0.15 - mm deep elliptical flaw together with a ...
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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