Modelling partial equilibria during steel solidification

    Research output: Chapter in Book/Report/Conference proceedingChapter or book articleProfessional

    Abstract

    The back diffusion of a solidifying system under local equilibrium conditions can be simulated by using immaterial constraints as set to the (stoichiometric) conservation matrix of the alloy mixture. In a solidifying alloy, complete diffusion between the liquid and solid portions is often found for chemical components with small atoms which dissolve interstitially in the solid state. Carbon in steels is a classical example. The constrained Gibbs energy method appears to be a useful technique to incorporate the necessary restrictions for those components, which are not allowed to diffuse in the solidifying system, while the interstitial components can reach their partial equilibria.
    Original languageEnglish
    Title of host publicationAdvanced Gibbs Energy Methods for Functional Materials and Processes
    Subtitle of host publicationChemSheet 1999-2009
    Place of PublicationEspoo
    PublisherVTT Technical Research Centre of Finland
    Pages59-64
    ISBN (Electronic)978-951-38-7331-8
    ISBN (Print)978-951-38-7330-1
    Publication statusPublished - 2009
    MoE publication typeNot Eligible

    Publication series

    SeriesVTT Tiedotteita - Research Notes
    Number2506
    ISSN1235-0605

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