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The use of Mössbauer and Auger spectroscopy for analysis of oxide layers on Fe-Al alloys

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Abstract

Oxidation of a Fe-7.4 at.% Al alloy at 1173 K in oxygen at 1 atm pressure resulted in the formation of a rust-colored film, shown by Auger spectroscopy to be a duplex layer consisting of an outer Fe-rich oxide over an Al-rich oxide. Mössbauer spectroscopy revealed that the outer layer was hematite containing ∼10 at.% Al3+ and that the inner alumina layer contained some Fe3+.

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Ahmed, H.A., Underbill, R.P., Smeltzer, W.W. et al. The use of Mössbauer and Auger spectroscopy for analysis of oxide layers on Fe-Al alloys. Oxid Met 28, 347–351 (1987). https://doi.org/10.1007/BF00666727

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  • DOI: https://doi.org/10.1007/BF00666727

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