Development of compound layer of iron (carbo)nitrides during nitriding of steel

J. Ratajski, J. Tacikowski, Marcel A.J. Somers

    Research output: Contribution to journalJournal articleResearchpeer-review


    The composition and phase constitution of a compound layer developing during gaseous nitriding was investigated at 853 K for three commercial steels (AISI 120, 4340 and 1090) and Armco iron. The compound layers were characterised by light optical microscopy, X-ray diffraction and electron probe microanalysis. The formation of the compound layer occurs along two distinct sequences: alpha-gamma prime-epsilon and/or alpha(theta)-epsilon2-gamma prime-epsilon1. The preferred sequence depends mainly on the chemical composition of steel and on the nitriding potential.
    Original languageEnglish
    JournalSurface Engineering
    Issue number4
    Pages (from-to)285-291
    Publication statusPublished - 2003

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