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  Selective oxidation of ternary Fe–Mn–Si alloys during annealing process

Zhang, X., Corrêa da Silva, C., Liu, C., Prabhakar, J. M., & Rohwerder, M. (2020). Selective oxidation of ternary Fe–Mn–Si alloys during annealing process. Corrosion Science, 174: 108859. doi:10.1016/j.corsci.2020.108859.

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Selective oxidation of ternary Fe-Mn-Si alloys during annealing process _ Elsevier Enhanced Reader.pdf (Publisher version), 8MB
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Selective oxidation of ternary Fe-Mn-Si alloys during annealing process _ Elsevier Enhanced Reader.pdf
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2020
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 Creators:
Zhang, Xue1, Author              
Corrêa da Silva, Cauê1, Author              
Liu, Chang2, Author              
Prabhakar, J. Manoj1, Author              
Rohwerder, Michael1, Author              
Affiliations:
1Corrosion, Interface Chemistry and Surface Engineering, Max-Planck-Institut für Eisenforschung GmbH, Max Planck Society, ou_2074315              
2High-Entropy Alloys, Microstructure Physics and Alloy Design, Max-Planck-Institut für Eisenforschung GmbH, Max Planck Society, ou_3010672              

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Free keywords: Binary alloys; Grain boundaries; Growth kinetics; Internal oxidation; Iron alloys; Manganese oxide; Morphology; Oxide minerals; Silicon alloys, Annealing process; Linear growth; Most likely; Oxidation kinetics; Oxygen uptake; Rate determining step; Selective oxidation; Si content, Manganese alloys
 Abstract: Selective oxidation of Fe2MnxSi alloys with various Si contents annealed in a gas mixture of H2/H2O (p(O2) = 6.5×10−25 bar at 700 °C) for 2 h was investigated. The oxidation kinetics of all the alloys followed linear growth, indicating that most likely oxygen uptake was the rate-determining step. The addition of Si into Fe2Mn eliminated the formation of the ridge-like MnO at the surface, mainly on the grain boundaries, but significantly accelerated the internal oxidation especially along grain boundaries. The effects of Si on the external and internal oxidation including the morphology, distribution and chemistry of the oxides are discussed. © 2020 The Authors

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Language(s): eng - English
 Dates: 2020-09
 Publication Status: Published in print
 Pages: -
 Publishing info: -
 Table of Contents: -
 Rev. Type: Peer
 Identifiers: DOI: 10.1016/j.corsci.2020.108859
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Title: Corrosion Science
  Abbreviation : Corros. Sci.
Source Genre: Journal
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Publ. Info: Amsterdam : Pergamon
Pages: - Volume / Issue: 174 Sequence Number: 108859 Start / End Page: - Identifier: ISSN: 0010-938X
CoNE: https://pure.mpg.de/cone/journals/resource/954925393343