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 146
... MARTENSITE PLATE MARTENSITE Lath Retained Block austenite Prior austenite grain ( c ) Packet Prior austenite grain ( d ) Plate FIGURE 4.16 Schematic representation of microconstituents shown in Fig . 4.15.58 ( Re- printed with ...
... MARTENSITE PLATE MARTENSITE Lath Retained Block austenite Prior austenite grain ( c ) Packet Prior austenite grain ( d ) Plate FIGURE 4.16 Schematic representation of microconstituents shown in Fig . 4.15.58 ( Re- printed with ...
Page 431
... martensitic ( a ' ) steels because of the intrinsically tougher austenite FCC crystal structure . In a study of AFC 77 , a high- strength steel alloy containing both martensite and austenite microconstituents , Web- ster11 showed that ...
... martensitic ( a ' ) steels because of the intrinsically tougher austenite FCC crystal structure . In a study of AFC 77 , a high- strength steel alloy containing both martensite and austenite microconstituents , Web- ster11 showed that ...
Page 461
... Martensite Embrittlement Metallurgists have long recognized the potentially embrittling effects of tempering martensitic steels at about 300 to 350 ° C . Evidence for embrittlement has been found Nez W 500 ° C 底 200 ° C Time > 600 ° C ...
... Martensite Embrittlement Metallurgists have long recognized the potentially embrittling effects of tempering martensitic steels at about 300 to 350 ° C . Evidence for embrittlement has been found Nez W 500 ° C 底 200 ° C Time > 600 ° C ...
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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