Scanning Electrochemical Microscopy of Precursor Sites for Pitting Corrosion on Titanium
Source abstract
Abstract
Scanning electrochemical microscopy, SECM, of oxide‐covered titanium foils (∼50 Å oxide thickness) immersed in potassium bromide solutions is reported. Electrogeneration of bromine at the film is shown to occur rapidly at a few microscopic surface sites. The regions of intense faradaic activity observed in SECM images correlate directly with the location of pit nucleation. The direct correspondence between sites of faradaic activity and oxide breakdown provides a means of identifying precursor sites for pit formation.
Source: openalex_inverted_index · Quality: baseline
Research context
OpenAlex topics: Corrosion Behavior and Inhibition · Hydrogen embrittlement and corrosion behaviors in metals · Anodic Oxide Films and Nanostructures
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Affiliations
Department of Chemical Engineering & Materials Science, University of Minnesota, Minneapolis, Minnesota 55455
Department of Chemistry, University of Utah, Salt Lake City, Utah 84112
References
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