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Concentration profiles in NiO-CoO mixed oxide formed during oxidation

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Abstract

Equations derived by Wagner in a recent theory of binary alloy oxidation yield the cation distributions in the scale. Using available data from the literature, these equations in a modified form have been tested for the concentration profiles in NiO-CoO mixed oxide formed during the oxidation of a Ni-10.9% Co alloy at 1000°C. The agreement between the calculated and experimental values has been found to be good. The oxygen activity as a function of a normalized distance coordinate in the scale is also evaluated from these results.

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Author notes

  1. A. D. Dalvi

    Present address: J. Roy Gordon Research Laboratory, The International Nickel Company of Canada, Limited, Sheridan Park, Clarkson, Ontario, Canada

  2. D. E. Coates

    Present address: Department of Metallurgy, The University of British Columbia, Vancouver 8, B.C., Canada

Authors and Affiliations

  1. Department of Metallurgy and Materials Science, McMaster University, Hamilton, Ontario, Canada

    A. D. Dalvi & D. E. Coates

Authors
  1. A. D. Dalvi
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  2. D. E. Coates
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Dalvi, A.D., Coates, D.E. Concentration profiles in NiO-CoO mixed oxide formed during oxidation. Oxid Met 3, 203–211 (1971). https://doi.org/10.1007/BF00603521

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  • DOI: https://doi.org/10.1007/BF00603521

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