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Characterization of the High-Temperature Oxidation Behavior in Fe-25Mn-1.5Al-0.5C Alloy

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Abstract

The high-temperature oxidation behavior of aFe-25Mn-1.5Al-0.5C alloy was investigated by using XRD(X-ray Diffraction) and electron microscopy. The oxidelayers could be macroscopically classified into two zones, the external and internal-oxidezones. The external-oxide zone was confirmed to be inthe order of Mn2O3,Mn3O4,MnFe2O4, (Mn,Fe)O andMnAl2O4 phases from the outsidesurface to the matrix, while the internal oxides, composed of interandintra-granular oxides, were identified asMnAl2O4 formed by the selectiveoxidation of manganese and aluminum. On the other hand,the Upsilon matrix was transformed to α and ε phases by theselective oxidation of manganese.

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Park, S.H., Chung, I.S. & Kim, T.W. Characterization of the High-Temperature Oxidation Behavior in Fe-25Mn-1.5Al-0.5C Alloy. Oxidation of Metals 49, 349–371 (1998). https://doi.org/10.1023/A:1018826323571

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  • DOI: https://doi.org/10.1023/A:1018826323571

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