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- Title
A spectromicroscopy study of the corrosion of fusion‐bonded epoxy–coated rebar.
- Authors
Situm, Arthur; Guo, Xiaoxuan; Guo, Bao; Barlow, Burke C.; Burgess, Ian J.; Grosvenor, Andrew P.
- Abstract
Reported herein is an analysis of accelerated corrosion of a commercially coated fusion‐bonded epoxy rebar sample using an X‐ray spectromicroscopy methodology that involves the combination of X‐ray fluorescence mapping (XRF) and micro X‐ray absorption near‐edge spectroscopy (μ‐XANES). XRF maps collected using an excitation energy of 7115 eV reveal a sharp contrast between corroded and noncorroded sample areas after correction for topography effects that can be confirmed by Fe K‐edge μ‐XANES. This X‐ray spectromicroscopy methodology allows for the study of corrosion through commercially prepared polymer‐coated rebar coatings without any modification to the polymer film prior to analysis and is suitable for long‐term testing of the corrosion of these materials under real‐world conditions.
- Subjects
X-ray fluorescence; POLYMER films; X-ray absorption; MATERIALS testing; EPOXY coatings; X-rays
- Publication
Surface & Interface Analysis: SIA, 2019, Vol 51, Issue 5, p525
- ISSN
0142-2421
- Publication type
Article
- DOI
10.1002/sia.6613