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  Oxidation Behaviour of Binary Aluminium-Rich Fe-Al Alloys with Fine-Scaled, Lamellar Microstructure

Scherf, A., Janda, D., Baghaie Yazdi, M., Li, X., Stein, F., & Heilmaier, M. (2015). Oxidation Behaviour of Binary Aluminium-Rich Fe-Al Alloys with Fine-Scaled, Lamellar Microstructure. Oxidation of Metals, 83(5-6), 559-574. doi:10.1007/s11085-015-9535-6.

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Item Permalink: https://hdl.handle.net/11858/00-001M-0000-0027-12D9-2 Version Permalink: https://hdl.handle.net/11858/00-001M-0000-0027-12DD-9
Genre: Journal Article

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 Creators:
Scherf, Anke1, Author           
Janda, Daniel1, Author           
Baghaie Yazdi, Mehrdad2, Author           
Li, Xiaolin3, Author           
Stein, Frank3, Author           
Heilmaier, Martin4, Author           
Affiliations:
1Karlsruher Institut für Technologie, 76131 Karlsruhe, Germany, ou_persistent22              
2Fachbereich Material-und Geowissenschaften, Technische Universität Darmstadt, Jovanka Bontschits Strasse 2, D-64287 Darmstadt, Germany, ou_persistent22              
3Intermetallic Materials, Structure and Nano-/ Micromechanics of Materials, Max-Planck-Institut für Eisenforschung GmbH, Max Planck Society, ou_1863400              
4Institute for Applied Materials, Karlsruhe Institute of Technology (KIT), 76131 Karlsruhe, Germany, ou_persistent22              

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Free keywords: FeAl; FeAl2; Microstructure; Oxidation
 Abstract: The oxidation behavior of binary Fe-Al alloys with an aluminum content between 58 and 64 at.% was studied by isothermal and cyclic oxidation experiments in a temperature range of 900-1000 A degrees C. The parabolic rate constants were determined to be comparable to those of B2-ordered Fe-48Al. All investigated alloys exhibited a fine-scaled, lamellar microstructure (< 300 nm lamellar spacing), which was a result of the eutectoid decomposition of the high-temperature phase Fe5Al8 into FeAl and FeAl2. None of these two phases showed a preferential oxidation. At 900 A degrees C theta-Al2O3 formed, whereas at 1000 A degrees C a transformation of the initially formed theta-Al2O3 to the slower growing and passivating alpha-Al2O3 was confirmed by grazing incidence X-ray diffraction measurements.

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Language(s): eng - English
 Dates: 2014-12-092015-01-272015-02-102015-06-01
 Publication Status: Issued
 Pages: -
 Publishing info: -
 Table of Contents: -
 Rev. Type: -
 Identifiers: DOI: 10.1007/s11085-015-9535-6
 Degree: -

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Title: Oxidation of Metals
  Other : Oxid. Met.
Source Genre: Journal
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Publ. Info: New York, NY, USA : Springer New York
Pages: 16 Volume / Issue: 83 (5-6) Sequence Number: - Start / End Page: 559 - 574 Identifier: ISSN: 0030-770X
CoNE: https://pure.mpg.de/cone/journals/resource/954925264213