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The Corrosion of Iron in Sodium and The Influence of Alloying Elements on its Mass Transfer Behaviour

  • Alan W. Thorley

Abstract

In order to establish what factors affect the corrosion behaviour of iron and ironbase alloys in liquid sodium simple experiments have been conducted in pumped loop and static sodium environments at the Risley Nuclear Laboratories (RNL) using pure iron and iron-base alloys containing different amounts of oxidising elements. The main purpose of the experiments has been to try and establish the role of oxygen in the corrosion process and how certain alloying elements can change the corrosion mechanism from one of surface corrosion to one of internal oxidation. This paper reports the findings from these experiments and highlights those factors which have to be taken into consideration in the formula-tion of corrosion models for constructional steels in sodium.

Keywords

Corrosion Product Oxygen Level Corrosion Behaviour Pure Iron Corrode Surface 
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References

  1. 1.
    A. W. Thorley, A. Blundell, A. Bardsley, Mass transfer of stainless steel in pumped loops and its effect on micro-structure. Paper this Symposium.Google Scholar
  2. 2.
    A. W. Thorley and A. C. Raine, The Alkali Metals Int. Symp., Nottingham, July 1966, Special Publication 22, Chem. Society, pp. 374–392.Google Scholar
  3. 3.
    A. W. Thorley and C. Tyzack, Liquid Alkali Metals Proc. Int. Conf. BNES Nottingham, 1973, pp. 257–273.Google Scholar
  4. 4.
    W. P. Stanaway and R. Thompson, Solubility of materials in sodium. 2nd Int.Conf. on Liquid Metal Tech. in Energy Production, Richland, USA, 1980.Google Scholar
  5. 5.
    A. M. El Balkji et al. J. Solid State Chem., 1976, 18 (3) pp. 293–7.CrossRefGoogle Scholar
  6. 6.
    A. M. El Balkhi et al. Comptes Rendus (C), 1977, 285, 120–131.Google Scholar
  7. 7.
    A. Tschudy, H. Kessler and A. Hatterer, Liquid Alkali Metals Proc. Int. Conf. BNES, Nottingham, 1973, pp. 209–212.Google Scholar
  8. 8.
    J. H. Swisher, E. T. Turkodgen, Trans.Met.Soc. of AIME, Vol. 239, April 1967, pp. 426– 431.Google Scholar
  9. 9.
    C. C. Addison, M. G. Barker, A. J. Hooper, Jnl. of Chem. Soc. Dalton Trans. 1972, pp. 1017–1019.Google Scholar
  10. 10.
    G. W. Horsley, Jnl. of Iron & Steel Inst., Jan. 1956, pp. 43–48.Google Scholar
  11. 11.
    P. Gross, G. W. Wilson, Jnl. Chem. Soc. (A), 1970, 1913.Google Scholar
  12. 12.
    B. H. Kolster, Jnl. of Nuclear Mtls. 55 (1975) pp. 155–168.CrossRefGoogle Scholar
  13. 13.
    C. Bagnall, R. E. Witkowski, Metal Progress 1979 pp. 50–51.Google Scholar
  14. 14.
    S. Shiels et al. 2nd Int.Conf.on Liquid Metal Tech. in Energy Production, Richland, USA, April 1980.Google Scholar
  15. 15.
    A. W. Thorley, C. Tyzack, Corrosion of molybdenum in sodium. RNL Internal document.Google Scholar
  16. 16.
    C. Tyzack, A. W. Thorley, Proc. Int. Conf. on Ferritic Steels for Fast Reactors, BNES London, Paper 39, pp. 39-1 to 39–14.Google Scholar
  17. 17.
    A. Crouch, The growth and stability of sodium chromite and its influence on corrosion. 2nd Int.Conf. on Liquid Metal Tech. in Energy Production, Richland, USA, April 1980.Google Scholar
  18. 18.
    A. J. Hooper, Proc.Int.Conf. on Ferritic Steels for Fast Reactors, BNES London, 280, 1977.Google Scholar
  19. 19.
    A. W. Thorley et al. 2nd Int.Conf. on Liquid Metal Techn. in Energy Production, Richland, USA, April 1980.Google Scholar

Copyright information

© Plenum Press, New York 1982

Authors and Affiliations

  • Alan W. Thorley
    • 1
  1. 1.United Kingdom Atomic Energy AuthorityRisleyUK

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