Modeling and simulation of phase-transitions in multicomponent aluminum alloy casting

Andreas ten Cate, Bernard J. Geurts, Michael Muskulus, Daniel Köster, Adrian Muntean, Joost H.J. van Opheusden, Alex Peschansky, A.W. Vreman, Paul Zegeling

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    Abstract

    The casting process of aluminum products involves the spatial distribution of alloying elements. It is essential that these elements are uniformly distributed in order to guarantee reliable and consistent products. This requires a good understanding of the main physical mechanisms that affect the solidification, in particular the thermodynamic description and its coupling to the transport processes of heat and mass that take place. The continuum modeling is reviewed and methods for handling the thermodynamics component of multi-element alloys are proposed. Savings in data-storage and computing costs on the order of 100 or more appear possible, when a combination of data-reduction and data-representation methods is used. To test the new approach a simplified model was proposed and shown to qualitatively capture the evolving solidification front.
    Original languageEnglish
    Title of host publicationProceedings of the 63rd European Study Group Mathematics with Industry
    Subtitle of host publicationEnschede, The Netherlands, 28 January – 1 February, 2008
    EditorsOnno Bokhove, Johann Hurink, Gjerrit Meinsma, Chris Stolk, Michel Vellekoop
    Place of PublicationAmsterdam
    PublisherCentrum voor Wiskunde en Informatica
    Pages85-115
    Number of pages31
    ISBN (Print)978-90-365-2779-8
    Publication statusPublished - 2008
    Event63rd European Study Group Mathematics with Industry, SWI 2008 - University of Twente, Enschede, Netherlands
    Duration: 28 Jan 20081 Feb 2008
    Conference number: 63

    Publication series

    NameCWI Syllabus
    PublisherCWI (Centrum voor Wiskunde en Informatica)

    Conference

    Conference63rd European Study Group Mathematics with Industry, SWI 2008
    Abbreviated titleSWI
    CountryNetherlands
    CityEnschede
    Period28/01/081/02/08

    Keywords

    • Aluminum casting
    • Alloys
    • Phase-transition
    • Mushy zone
    • Moving solidification front

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