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Influence of Lithium on The Structural Stability of Two Austenitic Stainless Steels of The Type 316 and 18 Mn-10 Cr

  • Erich Ruedl
  • Vittorio Coen
  • Takao Sasaki
  • Horst Kolbe

Abstract

Liquid lithium is considered for tritium breeding and reactor coolant applications in fusion reactors. Many studies have been carried out on the corrosion behaviour of austenitic stainless steels of the type Ni-Cr in that liquid metal environment as these steels, especially 316, are envisaged as structural materials in the blanket of the first generation of reactors. Recently the study was extended to various commercial low Ni, Mn-Cr austenitic steels (1). Samples of these materials were exposed at 873 K to pure Li, in static tests, for times ranging from 500 to 1500 hours. The polished cross-sections were investigated by scanning electron microscopy and X-ray microanalysis. It was observed that for all the steels in contact with pure Li, a corrosion layer depleted in Mn and enriched in Ni is formed. In some of these materials, a grain boundary attack was also evidenced in the unterlying matrix.

Keywords

Austenitic Stainless Steel Stack Fault Energy Austenitic Steel Corrosion Layer Tritium Breeding 
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References

  1. 1.
    V. Coen, H. Kolbe, L. Orecchia and T. Sasaki, J. Nucl. Mat., 85-86, December II, Part A, p. 271 (1979).CrossRefGoogle Scholar
  2. 2.
    J. Gordon-Parr, Acta Cryst., 5 (1952), p. 842.CrossRefGoogle Scholar
  3. 3.
    D. Peckner and I. M. Bernstein, Handbook of Stainless Steel, (Mc Graw Hill Book Co., 1977 ), Chapter 4, p. 4 - 23.Google Scholar
  4. 4.
    M. V. Bowkett, AERE-R 9361 (1979).Google Scholar
  5. To be published.Google Scholar
  6. 6.
    N. M. Beskorovainyi, V. K. Ivanov and V. V. Petrashko, High Purity Metals and Alloys, Eds. V. S. Emel!yanov and A. I. Evstyukhin, translated from Russian (Consultants Bureau New York, 1967 ), p. 131.Google Scholar

Copyright information

© Plenum Press, New York 1982

Authors and Affiliations

  • Erich Ruedl
    • 1
  • Vittorio Coen
    • 1
  • Takao Sasaki
    • 1
  • Horst Kolbe
    • 1
  1. 1.Commission of the European CommunitiesJoint Research CentreIspraItaly

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