A comprehensive strategy for exploring corrosion in iron-based artefacts through advanced Multiscale X-ray Microscopy

The best strategy to tackle complexity when analyzing corrosion in iron artefacts is to combine different analytical methods. Traditional techniques provide effective means to identify the chemistry and mineralogy of corrosion products. Nevertheless, a further step is necessary to upgrade the unders...

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Bibliographic Details
Published in:Scientific reports 2022-04, Vol.12 (1), p.6125-6125, Article 6125
Main Authors: Bernabale, Martina, Cognigni, Flavio, Nigro, Lorenzo, Rossi, Marco, de Caro, Tilde, De Vito, Caterina
Format: Article
Language:English
Subjects:
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639/301
639/638
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639/925
Corrosion
Humanities and Social Sciences
Iron
Iron - chemistry
Microscopy
Mineralogy
multidisciplinary
Science
Science (multidisciplinary)
Spatial distribution
X-Rays
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Summary:The best strategy to tackle complexity when analyzing corrosion in iron artefacts is to combine different analytical methods. Traditional techniques provide effective means to identify the chemistry and mineralogy of corrosion products. Nevertheless, a further step is necessary to upgrade the understanding of the corrosion evolution in three dimensions. In this regard, Multiscale X-ray Microscopy (XRM) enables multi-length scale visualization of the whole object and provides the spatial distribution of corrosion phases. Herein, we propose an integrated workflow to explore corrosion mechanisms in an iron-nail from Motya (Italy) through destructive and non-destructive techniques, which permit the extraction of the maximum information with the minimum sampling. The results reveal the internal structure of the artefact and the structural discontinuities which lead the corrosion, highlighting the compositional differences between the tip and the head of the iron nail.
ISSN:2045-2322
2045-2322
DOI:10.1038/s41598-022-10151-w