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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