Materials and Manufacturing Processes · 2014 · 55 citations · 25 references
Natural SciencesMaterials EngineeringMaterials ScienceCorrosion ScienceMetallic MaterialsMetallurgyAlloysCorrosion EngineeringCorrosion KineticsCorrosion-resistant MaterialsMetalsNickel-based SuperalloysCorrosion BehaviorCyclic OxidationHot CorrosionNickel-based AlloysOxidationOxidation Of Nickel-based SuperalloysOxidation Of SuperalloysSuperalloys
Abstract This paper investigates the cyclic oxidation and hot corrosion behavior of Inconel 617 at elevated temperatures. The substantial role of alloying elements with respect to oxidation and hot corrosion were analyzed with respect to corrosion kinetics, surface morphology and X-ray analysis of the oxide scales formed. The cumulative mass change shows that the presence of V2O5 in salt mixture plays predominant role in corrosion attack. Consistency of oxide scale, rich in Cr2O3, NiO, Al2O3 and NiCr2O4 was confirmed through X-ray analysis. Inconel 617 has good oxidation resistance and prone to corrosion attack at elevated temperatures due to the presence of vanadium in salt mixture which accelerates hot corrosion. Keywords: EDAXHot corrosionMolten saltOxidationSEMSpallingX-ray analysis Notes Color versions of one or more of the figures in the article can be found online at www.tandfonline.com/lmmp.
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