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Initial Oxidation of Fe-Al and Fe-Cr-Al Alloys: Cr as an Alumina Booster
KTH, School of Industrial Engineering and Management (ITM), Materials Science and Engineering.
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2011 (English)In: Oxidation of Metals, ISSN 0030-770X, E-ISSN 1573-4889, Vol. 76, no 3-4, 331-346 p.Article in journal (Refereed) Published
Abstract [en]

The boosting effect of Cr on the growth of the protective alumina scale on Fe-Al alloys is investigated by X-ray photoelectron spectroscopy. Using low oxygen pressure the surface chemistry of the alloys is monitored starting from the first moments of oxidation. Chromium affects the Fe/Al surface-bulk exchange which is clearly detected by analyzing the measured surface concentrations within the atomic concentration models. Experimental results presented are in good agreement with the previous ones obtained by experiments at ambient conditions and ab initio calculations.

Place, publisher, year, edition, pages
2011. Vol. 76, no 3-4, 331-346 p.
Keyword [en]
Oxidation, Fe-Cr-Al, Surface segregation, X-ray photoelectron spectroscopy
National Category
Metallurgy and Metallic Materials
Identifiers
URN: urn:nbn:se:kth:diva-41285DOI: 10.1007/s11085-011-9258-2ISI: 000294692200013Scopus ID: 2-s2.0-80052729903OAI: oai:DiVA.org:kth-41285DiVA: diva2:444520
Note

QC 20110929

Available from: 2011-09-29 Created: 2011-09-26 Last updated: 2017-12-08Bibliographically approved

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Vitos, Levente

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