Abstract
The detailed oxidation behavior of Fe–10Cr alloys, containing aluminumin the range of 2–8% by weight, was studied in pure oxygen at 1 atmpressure. The investigations were performed over the temperature range950–1050°C under cyclic conditions (3-hr cycles) in each case. Thecyclic-oxidation resistance, as measured by the specific weight-gain values,was observed to progressively improve with increasing aluminum content inthe alloy. For a particular aluminum content, however, the oxidationresistance decreased with increasing temperature. Following the initialtransient-oxidation period, a healing layer of chromia was established onthe four alloys. The lower-aluminum alloys (2–4% Al) were observedto end up with Fe-rich oxide scales under the experimental conditions atall temperatures, whereas those containing aluminum in the range of6–8% formed α-Al2O3 scales.
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Sadique, S.E., Mollah, A.H., Islam, M.S. et al. High-Temperature Oxidation Behavior of Iron–Chromium–Aluminum Alloys. Oxidation of Metals 54, 385–400 (2000). https://doi.org/10.1023/A:1004682316408
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DOI: https://doi.org/10.1023/A:1004682316408