What is it about?

Open access article. This paper provides further evidence for the enrichment of elements more noble than Mg on corroding Mg surfaces. Here, Particle Induced X-ray Emission (PIXE) was used to evaluate metal surface chemistry while Rutherford Backscattering Spectroscopy (RBS) was used in our previous investigation (http://dx.doi.org/10.1149/2.0541506jes).

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Why is it important?

PIXE allowed for the quantification and identification of several elements enriching on the Mg surface while RBS was only able to detect Fe in our previous investigation: Fe, Mn, Cu, Zn, As, and Pb were found to be enriching on the surface. Enrichment of such elements provides further evidence supporting enhanced cathodic activation theory explaining the negative difference effect (NDE).

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This page is a summary of: Nuclear Microprobe Analysis for Determination of Element Enrichment Following Magnesium Dissolution, ECS Electrochemistry Letters, August 2015, The Electrochemical Society,
DOI: 10.1149/2.0081510eel.
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