Effects of plasma cleaning and conservation treatment on the corrosion layer of corroded steel - XRD evaluation

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Effects of plasma cleaning and conservation treatment on the corrosion layer of corroded steel - XRD evaluation (EN)

Kotzamanidi, I (EN)
Anastassiadis, A (EN)
Sarris, E (EN)
Vassiliou, P (EN)
Filippaki, L (EN)
Filippakis, SE (EN)

journalArticle (EN)

2014-03-01T01:52:03Z
2002 (EN)


The application of hydrogen plasma on corroded steel and excavated iron artefacts has been studied. Transformations of the corrosion layer due to the plasma effect were investigated by means of X-ray diffraction analysis. The reduction of iron oxides to the stable iron oxide, magnetite, was observed for all the samples. In the case of excavated objects, the reduction to magnetite did not occur throughout the whole of the bulk of the oxides, as it does (for example) in the case of steel corroded in the laboratory. Nevertheless, excavated objects, in which a metallic core remained, were stabilised against subsequent corrosion. However, objects that are completely oxidised must be treated carefully, because treatment may result in the formation of a brittle outer layer, and there is a risk of disintegration of such items, if treated using the plasma conditioning and restoration procedure. (EN)

Metallurgy & Metallurgical Engineering (EN)

steel (EN)
corrosion (EN)
REMOVAL (EN)
ARTIFACTS (EN)
RESTORATION (EN)
hydrogen (EN)

ANTI-CORROSION METHODS AND MATERIALS (EN)

Αγγλική γλώσσα

EMERALD (EN)




*Η εύρυθμη και αδιάλειπτη λειτουργία των διαδικτυακών διευθύνσεων των συλλογών (ψηφιακό αρχείο, καρτέλα τεκμηρίου στο αποθετήριο) είναι αποκλειστική ευθύνη των αντίστοιχων Φορέων περιεχομένου.