Fig. 6.31 Corrosion behavior of alloy 214 (Ni-Cr-Al-Y), alloy S (Ni-Cr-Mo) and alloy 800H (Fe-Ni-Cr) in Ar-20O 2 -0.25Cl 2 for 400 h at 700–1000 °C (1290–1830 °F). Source: Ref 39 and Ref 41 More

Fig. 10 Effect of alloy composition (high alloy versus low alloy concentrations of iron, silicon, manganese, and sulfur taken collectively) on the cracking tendency of postweld heat-treated René. 41. Source: Ref 15 More

Fig. 5.28 Effect of various redox reactions on SCC of alloy 600 and weld metal alloy 182 in PWR primary water simulants correlated through the corrosion potential. The curves are model results using the slip dissolution model of Andresen and Ford. Source: Ref 5.89 More

Fig. 5.30 Comparison of the SCC resistance of alloy 600, alloy 800, and AISI 316 stainless steel in deaerated caustic soda solutions at 350 °C (660 °F). (a) Effect of stress (NaOH = 100 g/L). (b) Effect of caustic soda concentration (σ ≈ 0.8 σ 0.2 ). Source: Ref 5.141 , 5.143 More

Fig. 5.3 Examples of alloy micrographs, (a) 319 alloy with silicon modifications, GPM; (b) C 355 alloy, investment cast; (c) 380 alloy, die cast; (d) A 356 alloy with silicon modification, LPPM More

Fig. 5.4 Examples of alloy micrographs, (a) 390 alloy, die cast; (b) grain structure of 206 alloy, GPM More

Fig. 2 Welded assemblies of aluminum alloy 7005 with alloy 5356 filler metal after a one-year exposure to seawater. (a) As-welded assembly shows severe localized corrosion in the HAZ. (b) Specimen showing the beneficial effects of postweld aging. Corrosion potentials of different areas More

Fig. 7 Alloy 2024-T3 sheet clad with alloy 1230 (5% per side), solution heat treated. Normal amount of copper and magnesium diffusion from base metal into cladding (top). Keller’s reagent. 100× More

Fig. 8 Alloy 7178-T76 sheet clad with 0.125 mm (0.005 in.) of alloy 7072 (3.2 mm, or 0.125 in., total thickness). Sacrificial corrosion of cladding prevented corrosion of sheet during salt fog testing in 5% sodium chloride for two weeks. Keller’s reagent. 75× More

Fig. 12.5 Ideal freezing curves of (1) a hypoeutectic alloy, (2) a eutectic alloy, and (3) a hypereutectic alloy superimposed on a portion of a eutectic phase diagram. Source: Ref 12.3 as published in Ref 12.1 More

Fig. 3.43 Cross sections of the specimens for alloy 601 (a) and alloy 214 (b) after oxidation testing in flowing air at 1090 °C (2000 °F) for 1008 h (samples were cycled to room temperature once every week). Samples were cathodically descaled to remove oxide scale prior to metallographic More

Fig. 3.55 Cyclic oxidation resistance of ODS alloy MA956 compared with alloy 601, HK alloy, alloy 800, and Type 310. Source: Ref 76