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Aluminum-Oxygen Equilibrium in Liquid Iron

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Abstract

Aluminum and oxygen dissolved in liquid iron were brought into equilibrium with pure alumina crucibles and atmospheres of known H2O and H2 contents to study the reactions: 1-Al2O3(s) = 2 Al + 3 O; 2-Al2O3(s) + 3H2(g) = 2 Al + 3H2O(g); and 3-H2(g) + O = H2O(g). Aluminum strongly reduces the activity coefficient of oxygen and similarly oxygen reduces that of aluminum. Values of the product [% Al]2 · [% O]3 are much smaller than those found in previous experimental studies and are of the order of magnitude of the calculated values.

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References

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Authors and Affiliations

  1. Michigan College of Mining and Technology, Houghton, Mich., USA

    Nev A. Gokcen (Member AIME, Associate Professor of Metallurgy)

  2. Dept. of Metallurgy, Massachusetts Institute of Technology, Cambridge, Mass., USA

    John Chipman (Member AIME, Professor)

Authors
  1. Nev A. Gokcen
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  2. John Chipman
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Additional information

Discussion on this paper, TP 3446C, may be sent, 2 copies, to AIME by April 1, 1953. Manuscript, Aug. 6, 1952. Los Angeles Meeting, February 1953.

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Gokcen, N.A., Chipman, J. Aluminum-Oxygen Equilibrium in Liquid Iron. JOM 5, 173–178 (1953). https://doi.org/10.1007/BF03397469

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