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Revisiting Models for Spheroidal Graphite Growth

Bjerre, MK; Azeem, M; Lee, PD; Hattel, JH; Tiedje, NS; (2018) Revisiting Models for Spheroidal Graphite Growth. Materials Science Forum , 925 pp. 118-124. 10.4028/www.scientific.net/MSF.925.118. Green open access

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Abstract

Recent experiments resolved nucleation and growth of graphite during solidification of ductile cast iron in 3D and time using synchrotron X-ray tomography [1]. We use the experimental observations to analyse the relation between graphite growth rate and the state of the particle neighbourhood to pinpoint possible links between growth rate of individual graphite spheres and the overall solidification state. With this insight we revisit existing models for growth of spheroidal graphite and discuss possible modifications in order to describe the critical final stage of solidification correctly.

Type: Article
Title: Revisiting Models for Spheroidal Graphite Growth
Open access status: An open access version is available from UCL Discovery
DOI: 10.4028/www.scientific.net/MSF.925.118
Publisher version: https://doi.org/10.4028/www.scientific.net/MSF.925...
Language: English
Additional information: © 2018 Trans Tech Publications, Switzerland. This is an open access article under the CC-BY 4.0 license (https://creativecommons.org/licenses/by/4.0/).
Keywords: Cast iron, Ductile iron, Modelling, Graphite, X-ray tomography
UCL classification: UCL > Provost and Vice Provost Offices
UCL > Provost and Vice Provost Offices > UCL BEAMS
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Engineering Science
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Engineering Science > Dept of Mechanical Engineering
URI: https://discovery.ucl.ac.uk/id/eprint/10053898
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