Oxidation of Metals

, Volume 14, Issue 3, pp 207–215 | Cite as

Phase relations in the Fe-Cr-O system at 1200°C investigated by means of a diffusion couple technique

  • M. A. J. Th. Laheij
  • F. J. J. van Loo
  • R. Metselaar


The morphology and composition of diffusion layers formed in multiphase ternary diffusion couples of Cr or Cr-Fe alloy vs. FeO or FeCr2O4 have been studied by electron probe microanalysis, X-ray diffraction, and microscopy. A new technique for annealing of the couples has been developed. Phase relations at 1200° C of the ternary system Fe-Cr-O are discussed, and diffusion paths of the investigated couples are plotted on the isothermal section of the ternary phase diagram.

Key words

multiphase ternary diffusion Cr-Fe-O oxidation of binary alloys 


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Copyright information

© Plenum Publishing Corporation 1980

Authors and Affiliations

  • M. A. J. Th. Laheij
    • 1
  • F. J. J. van Loo
    • 1
  • R. Metselaar
    • 1
  1. 1.Laboratory of Physical ChemistryUniversity of TechnologyEindhovenThe Netherlands

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