Abstract
The effect of zirconium, cerium, and lanthanum up to about 1 wt pet on the solubility of oxygen in liquid iron in equilibrium with an oxide phase at 1680°C was measured. All three elements are strong deoxidizers of iron, and the oxygen solubility minimums were 10 ppm or less at 0.05 to 0.1 wt pet of the alloying element. The interaction coefficients were estimated from the results giving eo zr = −3, eo Ce = −3, and eo La = −5. When the concentration of the alloying element is expressed in wt pet, the effect of each of the three elements (Zr, Ce, and La) on the activity and solubility of oxygen in liquid iron is similar to that of aluminum.
This is a preview of subscription content, log in via an institution to check access.
Similar content being viewed by others
References
E. T. Turkdogan: “Physical Chemistry of Oxygen Steelmaking,” Thermochemistry and Thermodynamics, Monograph Series on BOF Steelmaking.
R. J. Fruehan,Met. Trans., vol. 1, 1970, pp. 3403–10.
Z. Buzek and A. H. Ostrova:Freegerger Forschungsh., Reithe B, Metallurgii, vol. Bl 17, 1969, pp. 59–73.
R. J. Leary, R. T. Coulehan, H. A. Tucker, and G. W. Wilson: “Effects of Adding Rare-Earth Suicides, Aluminum and Cryolite to Molten Steel,” Report of Investigation 7091, United States Bureau of Mines.
T. Kusakawa and Y. Watanabe:Tetsu to Hagane, vol. 51, 1965, No. 10, pp. 290–93.
Author information
Authors and Affiliations
Rights and permissions
About this article
Cite this article
Fruehan, R.J. The effect of zirconium, cerium, and lanthanum on the solubility of oxygen in liquid iron. Metall Trans 5, 345–347 (1974). https://doi.org/10.1007/BF02644100
Received:
Published:
Issue Date:
DOI: https://doi.org/10.1007/BF02644100