期刊
CORROSION SCIENCE
卷 110, 期 -, 页码 253-264出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.corsci.2016.04.034
关键词
Mild steel; SEM; Raman spectroscopy; XRD; Atmospheric corrosion; Rust
资金
- Ministry of Science and Innovation of Spain [CICYT-MAT2008-06649]
- CSIC JAE Programme
The exposure of mild steel to marine atmospheres gives rise to the formation of various corrosion products, mainly lepidocrocite, goethite, magnetite and akaganeite. In this study, Grazing Incidence X-Ray Diffraction, Micro-X-Ray Diffraction and Scanning Electron Microscopy/Micro-Raman are used to characterise rust layer surfaces and to identify the principal component rust phases and their morphology. The main conclusion reached is that lepidocrocite is preferentially located on the outermost surface while magnetite and akaganeite form mostly close to base steel. The Scanning Electron Microscopy/Micro-Raman technique has been very useful for characterising (identifying) the wide variety of morphologies presented by the rust phases. (C) 2016 Elsevier Ltd. All rights reserved.
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