An in-situ study of formation of compact graphite during solidification of cast iron using X ray tomography and radiography

N. S. Tiedje*, C. L. Xu, T. Andriollo, T. Wigger, M. Azeem, J. H. Hattel, P. D. Lee

*Corresponding author for this work

    Research output: Contribution to conferencePaperResearchpeer-review

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    Abstract

    Formation of compact graphite was studied in experiments where ductile cast iron samples were repeatedly melted and solidified. In each cycle, the Mg-treatment faded leading to a gradual change in graphite shape from nodular shape to compact graphite and eventually flaky graphite. In situ X-ray observations of nucleation and growth of compact graphite shows how the graphite nucleates as individual, nearly spherical particles that form protrusions in the interdendritic space, and eventually merge to form large 3 dimensional networks of compact graphite aggregates
    Original languageEnglish
    Publication date2021
    Number of pages2
    Publication statusPublished - 2021
    Event12th International Symposium on the Science and Processing of Cast Iron - Muroran city in Hokkaido, Japan
    Duration: 9 Nov 202112 Nov 2021

    Conference

    Conference12th International Symposium on the Science and Processing of Cast Iron
    Country/TerritoryJapan
    CityMuroran city in Hokkaido
    Period09/11/202112/11/2021

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