Investigating the effect of aging on transpassive behavior of Ni-based alloys in sulfuric acid with shell-isolated nanoparticle enhanced Raman spectroscopy (SHINERS)
Source abstract
Abstract
Abstract The effect of high temperature aging on the electrochemical behavior of Ni superalloys has implications for their use in Generation IV nuclear reactors. Linear sweep voltammetry, shell-isolated nanoparticle enhanced Raman spectroscopy (SHINERS), and X-ray photoelectron spectroscopy (XPS) were used to interrogate the passivation layer formed on heat-treated and as-received samples of Inconel 617 and Haynes 230. Results demonstrate that heat treatment improves electrochemical corrosion resistance for both alloys. The improved electrochemical behavior is associated with differences in the spectra; specifically, the appearance of a mixed Cr(III/VI) oxide.
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Research context
OpenAlex topics: Hydrogen embrittlement and corrosion behaviors in metals · Corrosion Behavior and Inhibition · Advanced Materials Characterization Techniques
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
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