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Tuning the surface chemistry of Fe-Cr by V doping
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2009 (English)In: Physical Review B. Condensed Matter and Materials Physics, ISSN 1098-0121, E-ISSN 1550-235X, Vol. 80, no 15Article in journal (Refereed) Published
Abstract [en]

The reversal of the magnitudes of the bulk and surface chemical-potential differences induces the outburst of Cr on the otherwise pure Fe surface of Fe-Cr alloys. This threshold value for the Cr content is about 10 at. %. It is found that vanadium addition to Fe-Cr shifts the Cr threshold to a substantially lower value suggesting V having a positive effect on the corrosion resistance of low Cr steels. The obtained shift in the Cr threshold is shown to be connected to the change in volume of the alloy.

Place, publisher, year, edition, pages
2009. Vol. 80, no 15
Keyword [en]
potential model, stainless-steel, alloys, approximation, resistance, energies, films
URN: urn:nbn:se:kth:diva-18920DOI: 10.1103/PhysRevB.80.153403ISI: 000271352000021ScopusID: 2-s2.0-71449087297OAI: diva2:336967
QC 20100525Available from: 2010-08-05 Created: 2010-08-05 Last updated: 2011-02-14Bibliographically approved

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Johansson, BörjeVitos, Levente
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Applied Material Physics
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