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Reactive-element effect of electrodeposited Y2O3 oxide films on the oxidation of Fe−25Cr and Fe−25Cr−10Al alloys

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Abstract

Thin Y2O3 films were deposited by the electrochemical deposition-pyrolysis process on Fe−25Cr and Fe−25Cr−10Al alloys. The influence of the films on the oxidation behavior of the alloys was studied at 850°C and 1000°C. The results showed that Y2O3 films remarkably decreased the oxidation rate of Cr2O3-forming alloys and spallation of the scales, but they did not decrease the oxidation rate of the Al2O3-forming alloys, although they do reduce the spallation of Al2O3 scales. Y2O3 films remarkably change the morphology of the scales on both alloys, depending on the oxidation temperatures. These results show that the reactive-element effects of Y2O3 films on the Cr2O3 formers and Al2O3 formers are different.

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Authors and Affiliations

  1. Department of Materials Science and Engineering, Tsinghua University, 100084, Beijing, China

    Xinying Lu

  2. Department of Surface Science and Corrosion Engineering, University of Science and Technology Beijing, 100083, Beijing, China

    Rizhang Zhu & Yedong He

Authors
  1. Xinying Lu
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  2. Rizhang Zhu
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  3. Yedong He
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Lu, X., Zhu, R. & He, Y. Reactive-element effect of electrodeposited Y2O3 oxide films on the oxidation of Fe−25Cr and Fe−25Cr−10Al alloys. Oxid Met 43, 217–236 (1995). https://doi.org/10.1007/BF01047028

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  • DOI: https://doi.org/10.1007/BF01047028

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