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Diffusion of Calcium and Silicon in a Lime-Alumina-Silica Slag

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Abstract

Two additional experimental methods have been investigated for radioactive tracer studies of diffusion in liquid slags. Using the capillary method the diffusion constants of calcium and silicon at 1430°C are 1 ° 10−6 and 1 ° 10−7 cm2sec−1 in a slag of 39 pet CaO, 40 pet SiO2, 21 pet Al2O3. Heats of activation are approximately 70 kcal.

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References

  1. H. Towers, M. Paris, and J. Chipman: AIME Trans., 1953, vol. 197, p. 1455; Journal of Metals, December 1953.

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  3. H. S. Carslaw and J. C. Jaeger: Conduction of Heat in Solids. Clarendon Press. Oxford, 1947.

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Author information

Authors and Affiliations

  1. H. & J. Towers Co., Falkirk, Scotland

    Helen Towers

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

    John Chipman (Member AIME, Professor of Metallurgy)

Authors
  1. Helen Towers
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  2. John Chipman
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Additional information

H. TOWERS, formerly Research Associate, Dept. of Metallurgy, Massachusetts Institute of Technology

TP 4441 CE. Manuscript, Dec. 27, 1955. New York Meeting, February 1956.

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Towers, H., Chipman, J. Diffusion of Calcium and Silicon in a Lime-Alumina-Silica Slag. JOM 9, 769–773 (1957). https://doi.org/10.1007/BF03377932

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  • DOI: https://doi.org/10.1007/BF03377932

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