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dc.contributor.authorMCFADDEN, SHAUN
dc.contributor.authorMOONEY, ROBIN
dc.date.accessioned2016-04-25T13:04:18Z
dc.date.available2016-04-25T13:04:18Z
dc.date.issued2015en
dc.date.submitted2015en
dc.identifier.citationSHAUN MCFADDEN, ROBIN MOONEY, 'Conditions for CET in a gamma TiAl alloy', IOP Conference Series Material Science and Engineering;, 84;, 2015en
dc.identifier.otherY
dc.identifier.urihttp://hdl.handle.net/2262/76208
dc.descriptionPUBLISHEDen
dc.description.abstractThe solidification of gamma TiAl alloys is of interest to the aerospace and automotive industries. A gamma TiAl multicomponent alloy: Ti–45.5Al–4.7Nb–0.2C–0.2B (at. %) has been the focus of a study to investigate the solidification conditions that led to a Columnar to Equiaxed Transition (CET) in a directional solidification experiment where traditional Bridgman solidification was combined in series with the power down method. In this paper, a numerical modelling result (a locus plot of columnar growth rate and temperature gradient) from this experiment is superimposed onto CET maps generated using an established analytical model for CET from the literature. A parametric study is carried out over suitable ranges of nucleation undercooling and nuclei density values. The predicted CET positions are compared with the experimentally measured CET position. Reasonable agreement is found at low levels of nuclei density. The paper concludes with estimates for the solidification conditions (nuclei density and nucleation undercooling) that led to the CET.en
dc.format.extent012088en
dc.language.isoenen
dc.relation.ispartofseriesIOP Conference Series Material Science and Engineering;
dc.relation.ispartofseries84;
dc.rightsYen
dc.titleConditions for CET in a gamma TiAl alloyen
dc.typeJournal Articleen
dc.contributor.sponsorEnterprise Irelanden
dc.type.supercollectionscholarly_publicationsen
dc.type.supercollectionrefereed_publicationsen
dc.identifier.peoplefinderurlhttp://people.tcd.ie/rpmooney
dc.identifier.peoplefinderurlhttp://people.tcd.ie/smcfadd
dc.identifier.rssinternalid104046
dc.rights.ecaccessrightsopenAccess
dc.contributor.sponsorGrantNumberESA Grant No. 4000107132en
dc.relation.doihttp://dx.doi.org/10.1088/1757-899X/84/1/012088en
dc.relation.citesCitesen
dc.subject.TCDThemeNanoscience & Materialsen
dc.subject.TCDTagBRIDGMAN GROWTHen
dc.subject.TCDTagMechanical Engineeringen
dc.subject.TCDTagSOLIDIFICATIONen
dc.identifier.rssurihttp://iopscience.iop.org/1757-899X/84/1/012088
dc.identifier.orcid_id0000-0001-5704-028X


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