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  Grain boundary oxidation in iron-based alloys, investigated by 18O enriched water vapour - The effect of mixed oxides in binary and ternary Fe–{Al, Cr, Mn, Si} systems

Auinger, M., Praig, V. G., Linder, B., & Danninger, H. (2015). Grain boundary oxidation in iron-based alloys, investigated by 18O enriched water vapour - The effect of mixed oxides in binary and ternary Fe–{Al, Cr, Mn, Si} systems. Corrosion Science, 96, 133-143. doi:10.1016/j.corsci.2015.04.009.

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Item Permalink: http://hdl.handle.net/21.11116/0000-0001-BDEC-1 Version Permalink: http://hdl.handle.net/21.11116/0000-0002-5B63-9
Genre: Journal Article

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 Creators:
Auinger, Michael1, 2, 3, Author              
Praig, Vera G.4, 5, Author              
Linder, Bernhard6, Author              
Danninger, Herbert7, Author              
Affiliations:
1Christian Doppler Laboratory for Diffusion and Segregation Mechanisms, Interface Chemistry and Surface Engineering, Max-Planck-Institut für Eisenforschung GmbH, Max Planck Society, ou_1863352              
2Corrosion, Interface Chemistry and Surface Engineering, Max-Planck-Institut für Eisenforschung GmbH, Max Planck Society, ou_2074315              
3Institute for Chemical Technologies and Analytics, Vienna University of Technology, Getreidemarkt 9, Vienna, Austria, ou_persistent22              
4Christian Doppler Laboratory for Diffusion and Segregation Phenomena during the Production of High Strength Steel Sheets, ou_persistent22              
5Institute of Chemical Technologies and Analytics, Vienna University of Technology, Getreidemarkt 9, A-1060 Vienna, Austria, ou_persistent22              
6Voestalpine Stahl GmbH, voestalpine-Straße 3, Linz, Austria, ou_persistent22              
7WMG, University of Warwick, Coventry, UK, ou_persistent22              

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Free keywords: Alloy steel; Alloys; Aluminum; Binary alloys; Ferrite; Grain boundaries; Iron alloys; Isotopes; Manganese; Manganese removal (water treatment); Oxidation; Oxygen; Secondary ion mass spectrometry; Silicon, Grain boundary oxidation; High temperature corrosions; Modelling studies; Numerical calculation; Oxidation behaviours; Oxygen isotope exchange; Oxygen transport; Selective oxidation, Internal oxidation
 Abstract: Selective oxidation experiments at 700. °C in binary and ternary iron-based model alloys containing Al, Cr, Mn, and Si were carried out. The internal oxidation behaviour along grain boundaries and inside ferrite grains was analyzed by LOM, SEM and ToF-SIMS. Oxygen isotope exchange revealed the location of fast diffusion pathways in the alloy. Numerical calculations of oxide distributions were compared to experimental findings, revealing that oxygen transport within ferrite grains is significantly lower than reported from literature. Discrepancies between simulations and experiments were discussed. The presented hypothesis of oxygen trapping represents an important viewpoint to explain internal oxidation in metallic alloys. © 2015 Elsevier Ltd.

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Language(s): eng - English
 Dates: 2015-07-01
 Publication Status: Published in print
 Pages: -
 Publishing info: -
 Table of Contents: -
 Rev. Type: Peer
 Identifiers: DOI: 10.1016/j.corsci.2015.04.009
BibTex Citekey: Auinger2015133
 Degree: -

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Title: Corrosion Science
  Abbreviation : Corros. Sci.
Source Genre: Journal
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Publ. Info: Amsterdam : Pergamon
Pages: - Volume / Issue: 96 Sequence Number: - Start / End Page: 133 - 143 Identifier: ISSN: 0010-938X
CoNE: https://pure.mpg.de/cone/journals/resource/954925393343