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The oxidation of Fe-Cr alloys containing an oxide dispersion or reactive metal additions

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Abstract

The oxidation of an iron-16% chromium alloy containing a dispersion of yttria particles and of iron-16 to 18% chromium alloys containing small additions of yttrium or zirconium has been studied at 1100 and 1200°C in 100 Torr oxygen. The yttria-containing alloy exhibited the excellent oxidation resistance usually associated with oxide-dispersion-containing alloys, having a thin, adherent, virtually iron-free scale which resisted the breakaway rapid oxidation behavior commonly found in Fe-Cr alloys in this composition range. Of the alloying additions intended to form a fine oxide dispersion during oxidation, only zirconium affected the oxidation behavior in a beneficial way, the scale on the yttrium-containing alloy being possibly less protective than that on the equivalent binary alloy.

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Authors and Affiliations

  1. Battelle, Columbus Laboratories, Columbus, Ohio

    I. G. Wright & B. A. Wilcox

Authors
  1. I. G. Wright
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  2. B. A. Wilcox
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Supported by Battelle, Columbus Laboratories, Columbus, Ohio.

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Wright, I.G., Wilcox, B.A. The oxidation of Fe-Cr alloys containing an oxide dispersion or reactive metal additions. Oxid Met 8, 283–301 (1974). https://doi.org/10.1007/BF00609945

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  • DOI: https://doi.org/10.1007/BF00609945

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