Study of CET in a refined Al-10wt.%Cu alloy by X-radiography in-situ

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dc.contributor.authorTEGHRI Asma
dc.contributor.authorNGUYEN THI Henri (Encadrant)
dc.contributor.authorREINHART Guillaume (Encadrant)
dc.contributor.authorBENOUDIA Mohamed Cherif (Encadrant)
dc.date.accessioned2024-05-22T09:21:01Z
dc.date.available2024-05-22T09:21:01Z
dc.date.issued2023
dc.description.abstractQuantitative analyses were carried out in order to characterize the Columnar-to-Equiaxed Transition (CET) from solidification experiments conducted with the laboratory device SFINX (Solidification Furnace with IN situ X-radiography). The increase in constitutional undercooling that induces the nucleation of the first grains ahead of the columnar front can be related to the rapid thermal change following the increase in cooling rate. Equiaxed grain nucleation occurs in a limited range of distances that is correlated to the refining particle size and the solutal layer extent. Both mechanical and solutal blocking mechanisms were observed at CET, however, the mechanical blocking is the preponderant blocking mechanism.
dc.identifier.urihttp://dspace.ensti-annaba.dz:4000/handle/123456789/131
dc.language.isoen
dc.publisherEcole Nationale Supérieure de Technologie et d'Ingénierie. Annaba (Ex ENSMM)
dc.titleStudy of CET in a refined Al-10wt.%Cu alloy by X-radiography in-situ
dc.typeThesis
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