Non-Destructive X-Ray Diffraction Analysis of the Under-Film Corrosion Processes in Zinc-Coated Steel Sheets by Synchrotron Radiation
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<jats:title>ABSTRACT</jats:title><jats:p>A highly brilliant x-ray beam from a synchrotron radiation source is a powerful tool to perform non-destructive x-ray diffraction analysis of an under-film corroded region of zinc-coated steel sheets. Investigations to identify corrosion products under the outdoor salt-spray test condition and to reveal their one-dimensional distribution were carried out Simonkolleite (ZnCl<jats:sub>2</jats:sub>•4Zn(OH)<jats:sub>2</jats:sub> ) was identified for the first time at the tip of the under-film corroded region. By the one-dimensional analysis, it was shown that the x-ray diffraction intensity of simonkolleite increased, where that of metal zinc decreased. It was suggested that simonkolleite was formed as the first corrosion product under the outdoor salt-spray test condition.</jats:p>
収録刊行物
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- MRS Proceedings
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MRS Proceedings 280 1992-01-01
Springer Science and Business Media LLC