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 286
... crack length and corresponding material strength with increasing temperature difference for stable and unstable crack extension is summarized in Fig . 7.16 . For the case where lo < lm , the crack length change with increasing AT is ...
... crack length and corresponding material strength with increasing temperature difference for stable and unstable crack extension is summarized in Fig . 7.16 . For the case where lo < lm , the crack length change with increasing AT is ...
Page 365
... crack extension from the fatigue - precracked starter notch ( Fig . 8.29 ) . 2. To record Aa for each sample , the ... crack - extension region can be marked by a short amount of fatigue crack growth . 3. The sample is then broken and Aa ...
... crack extension from the fatigue - precracked starter notch ( Fig . 8.29 ) . 2. To record Aa for each sample , the ... crack - extension region can be marked by a short amount of fatigue crack growth . 3. The sample is then broken and Aa ...
Page 366
... crack begins to blunt as the load on the component is increased . Blunting ( i.e. , effective crack extension ) then increases until actual crack extension occurs . The amount of crack - opening displacement ( COD ) is given by Eq . 8 ...
... crack begins to blunt as the load on the component is increased . Blunting ( i.e. , effective crack extension ) then increases until actual crack extension occurs . The amount of crack - opening displacement ( COD ) is given by Eq . 8 ...
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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