dc.contributor.author | MCFADDEN, SHAUN | |
dc.contributor.author | MOONEY, ROBIN | |
dc.date.accessioned | 2016-04-25T13:04:18Z | |
dc.date.available | 2016-04-25T13:04:18Z | |
dc.date.issued | 2015 | en |
dc.date.submitted | 2015 | en |
dc.identifier.citation | SHAUN MCFADDEN, ROBIN MOONEY, 'Conditions for CET in a gamma TiAl alloy', IOP Conference Series Material Science and Engineering;, 84;, 2015 | en |
dc.identifier.other | Y | |
dc.identifier.uri | http://hdl.handle.net/2262/76208 | |
dc.description | PUBLISHED | en |
dc.description.abstract | The 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.extent | 012088 | en |
dc.language.iso | en | en |
dc.relation.ispartofseries | IOP Conference Series Material Science and Engineering; | |
dc.relation.ispartofseries | 84; | |
dc.rights | Y | en |
dc.title | Conditions for CET in a gamma TiAl alloy | en |
dc.type | Journal Article | en |
dc.type.supercollection | scholarly_publications | en |
dc.type.supercollection | refereed_publications | en |
dc.identifier.peoplefinderurl | http://people.tcd.ie/rpmooney | |
dc.identifier.peoplefinderurl | http://people.tcd.ie/smcfadd | |
dc.identifier.rssinternalid | 104046 | |
dc.rights.ecaccessrights | openAccess | |
dc.relation.doi | http://dx.doi.org/10.1088/1757-899X/84/1/012088 | en |
dc.relation.cites | Cites | en |
dc.subject.TCDTheme | Nanoscience & Materials | en |
dc.subject.TCDTag | BRIDGMAN GROWTH | en |
dc.subject.TCDTag | Mechanical Engineering | en |
dc.subject.TCDTag | SOLIDIFICATION | en |
dc.identifier.rssuri | http://iopscience.iop.org/1757-899X/84/1/012088 | |
dc.identifier.orcid_id | 0000-0001-5704-028X | |
dc.contributor.sponsor | Enterprise Ireland | en |
dc.contributor.sponsorGrantNumber | ESA Grant No. 4000107132 | en |