Jun-you Liu, Feng Li, Jie Liu, Yi Zhang, Jin-cheng Jiang,  and Dun-xu Zou, Oxidation behavior of the Fe-36Al-0.09C-0.09B-0.04Zr alloy at 1250℃, Int. J. Miner. Metall. Mater., 17(2010), No. 4, pp. 441-447. https://doi.org/10.1007/s12613-010-0338-0
Cite this article as:
Jun-you Liu, Feng Li, Jie Liu, Yi Zhang, Jin-cheng Jiang,  and Dun-xu Zou, Oxidation behavior of the Fe-36Al-0.09C-0.09B-0.04Zr alloy at 1250℃, Int. J. Miner. Metall. Mater., 17(2010), No. 4, pp. 441-447. https://doi.org/10.1007/s12613-010-0338-0

Oxidation behavior of the Fe-36Al-0.09C-0.09B-0.04Zr alloy at 1250℃

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  • Corresponding author:

    Jie Liu    E-mail: jack_6859@yahoo.cn

  • Received: 8 July 2009Revised: 30 July 2009Accepted: 10 August 2009
  • To explore and study the Fe-Al system alloy presenting exceptional oxidation resistance at high temperature, the Fe-36Al-0.09C-0.09B-0.04Zr alloy was designed and developed. The microstructure and hardness of the backing at 1250℃ were analyzed and measured. Thermodynamics and kinetics of the oxidation behavior were also analyzed by X-ray diffraction, scanning electron microscopy, and energy-dispersive X-ray spectroscopy techniques. The results show that the microstructure of the Fe-36Al-0.09C-0.09B-0.04Zr alloy is FeAl phase at ambient temperature and is stable at 1250℃. It displays the excellent property of oxidation resistance because the oxide film has only the Al2O3 layer, and its oxidation kinetics curve obeys the parabolic law at 1250℃. The oxidation mechanism at 1250℃ is presumed that in the early oxidation period, the alloy oxidizes to form a large number of Al2O3 and a little Fe2O3, then, the enrichment of Al caused by Fe oxidization combines with O to form Al2O3.
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