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.

A comprehensive strategy for exploring corrosion in iron-based artefacts through advanced Multiscale X-ray Microscopy / Bernabale, Martina; Cognigni, Flavio; Nigro, Lorenzo; Rossi, Marco; de Caro, Tilde; DE VITO, Caterina. - In: SCIENTIFIC REPORTS. - ISSN 2045-2322. - 12:9(2022), pp. 1-9. [10.1038/s41598-022-10151-w]

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

Martina Bernabale
Investigation
;
Flavio Cognigni
Investigation
;
Lorenzo Nigro
Investigation
;
Marco Rossi
Investigation
;
Caterina De Vito
Conceptualization
2022

Abstract

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.
2022
iron nail; corrosion; Multiscale X-ray Microscopy (XRM)
01 Pubblicazione su rivista::01a Articolo in rivista
A comprehensive strategy for exploring corrosion in iron-based artefacts through advanced Multiscale X-ray Microscopy / Bernabale, Martina; Cognigni, Flavio; Nigro, Lorenzo; Rossi, Marco; de Caro, Tilde; DE VITO, Caterina. - In: SCIENTIFIC REPORTS. - ISSN 2045-2322. - 12:9(2022), pp. 1-9. [10.1038/s41598-022-10151-w]
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11573/1645138
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