Effects of a Steam Pre-treatment on the Formation and Transformation of Alumina Phases on Fe Aluminide Coatings

Agüero, Alina; Hernández, M.; Santaballa, A.

Publicación:
Effects of a Steam Pre-treatment on the Formation and Transformation of Alumina Phases on Fe Aluminide Coatings

dc.contributor.author	Agüero, Alina
dc.contributor.author	Hernández, M.
dc.contributor.author	Santaballa, A.
dc.contributor.funder	Ministerio de Economía y Competitividad (MINECO)
dc.date.accessioned	2026-01-22T09:15:01Z
dc.date.available	2026-01-22T09:15:01Z
dc.date.issued	2012-12-25
dc.description	Agüero, A., Hernández, M. & Santaballa, A. Effects of a Steam Pre-treatment on the Formation and Transformation of Alumina Phases on Fe Aluminide Coatings. Oxid Met 79, 601–611 (2013). https://doi.org/10.1007/s11085-012-9351-1
dc.description.abstract	Several researchers have studied the transformation of metastable aluminas (γ- and θ-) to α-Al2O3 but very little is known regarding alumina scales formed under water vapour and their transformation to α-Al2O3. Some results have indicated that water vapour increases the oxidation rate of alumina-scale forming coatings but others have found the opposite, that is, that under water vapour the oxidation rates decrease as either transition aluminas do not form or the transformation to α-Al2O3 is accelerated. In addition, it was found that χ-Al2O3 is the only oxide that forms at the initial stages of oxidation under 100 % steam on Fe–Al coatings at 650 °C. Under these conditions, this oxide is very protective, and slowly transforms onto α-Al2O3. A preliminary study of the transformation of χ- to α-Al2O3 at 900 °C under laboratory air was carried out. χ-Al2O3 was generated by a steam pre-treatment on slurry Fe aluminide coatings deposited on P92.
dc.description.peerreviewed	Peerreview
dc.description.sponsorship	All members of the Area of Metallic Materials are acknowledged in particular, F. Gallego, D. Sayago and M. Almazán for their invaluable contributions in the experimental work and V. González and J. Garcia de Blas for their careful editing and improvement of the paper. The authors wish also to thank MINECO for financial help (ENE2008-06755-C02-01) and Vallourec Mannesmann for supplying P92.
dc.identifier.citation	Oxidation of metals 79: 601-311
dc.identifier.doi	10.1007/s11085-012-9351-1
dc.identifier.e-issn	1573-4889
dc.identifier.issn	0030-770X
dc.identifier.other	https://link.springer.com/article/10.1007/s11085-012-9351-1
dc.identifier.uri	https://hdl.handle.net/20.500.12666/1652
dc.language.iso	eng
dc.publisher	Springer Nature Link
dc.relation	DESARROLLO DE METODOLOGIAS DE ENSAYO PARA EVALUAR LA EROSION-CORROSION Y MONITORIZACION DE CORROSION EN PLANTAS DE GENERACION DE ENERGIA ELECTRICA POR VAPOR
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dc.rights.accessRights	info:eu-repo/semantics/restrictedAccess
dc.rights.license	Copyright © 2012, Springer Science Business Media New York
dc.subject	Alumina scale transformation
dc.subject	Fe aluminide coatings
dc.subject	High temperature oxidation
dc.subject	Steam pre-treatmen
dc.title	Effects of a Steam Pre-treatment on the Formation and Transformation of Alumina Phases on Fe Aluminide Coatings
dc.type	info:eu-repo/semantics/article
dc.type.coar	http://purl.org/coar/resource_type/c_2df8fbb1
dc.type.hasVersion	info:eu-repo/semantics/publishedVersion
dspace.entity.type	Publication
oaire.awardNumber	ENE2008-06755-C02-01
oaire.awardTitle	DESARROLLO DE METODOLOGIAS DE ENSAYO PARA EVALUAR LA EROSION-CORROSION Y MONITORIZACION DE CORROSION EN PLANTAS DE GENERACION DE ENERGIA ELECTRICA POR VAPOR
oaire.awardURI	https://hdl.handle.net/20.500.12666/1651
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