Trace Elements in Ferro-Alloy Deoxidants and Their Influence on Non-Metallic Inclusion Compositions

  • A. G. Franklin
  • G. Rule
  • R. Widdowson
Chapter

Abstract

The use of the electron probe microanalyser to trace the sources of apparently exogeneous oxide inclusions in deoxidised steel melts is described. Correlation of inclusion analyses with melt oxygen contents and amounts of trace elements added with the ferro-alloys indicate that 98% or more of the inclusion population can be adequately explained by the purity of the alloys used. Ferro-silicon was found to contain calcium and aluminium and ferro-manganese and silicomanganese contained titanium.

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References

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    Salmon Cox, P. H., and J. A. Charles: J.I.S.I, 201, 863–872 (1963).Google Scholar
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    Salmon Cox, P. H., and J. A. Charles: J.I.S.I. 203, 493–499 (1965).Google Scholar
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    Franklin, A. G.: BISRA Open Report SM/B/108/67.Google Scholar
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    Bureau of Analysed Samples Ltd., Middlesborough, March, 1966.Google Scholar
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    Binary phase diagrams, Hansen, 1964.Google Scholar

Copyright information

© Springer-Verlag Berlin Heidelberg 1969

Authors and Affiliations

  • A. G. Franklin
    • 1
  • G. Rule
    • 1
  • R. Widdowson
    • 1
  1. 1.British Iron and Steel Research AssociationSheffieldEngland

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