Anisotropy in the thermal expansion of uranium silicide measured by neutron diffraction

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dc.contributor.authorObbard, EGen_AU
dc.contributor.authorJohnson, KDen_AU
dc.contributor.authorBurr, PAen_AU
dc.contributor.authorLopes, DAen_AU
dc.contributor.authorLiss, KDen_AU
dc.contributor.authorGriffiths, GJen_AU
dc.contributor.authorScales, Nen_AU
dc.contributor.authorMiddleburgh, SCen_AU
dc.date.accessioned2018-09-14T01:16:19Zen_AU
dc.date.available2018-09-14T01:16:19Zen_AU
dc.date.issued2018-09en_AU
dc.date.statistics2018-09-10en_AU
dc.description.abstractIn-situ neutron diffraction patterns were collected for a sample of as-cast U3Si2 during heating to 1600 °C. Anomalous changes were observed above 1000 °C, including the formation of a new diffraction peak not belonging to P4/mbm U3Si2, unequal changes in the peak intensities and onset of anisotropic lattice expansion. The large data-set enabled derivation of a function-fitted isotropic thermal expansion coefficient to high precision, in close agreement with previous dilatometry results but reducing linearly with temperature over the studied interval. Anisotropy in the instantaneous lattice thermal expansion corresponded to anomalies reported by White et al. (2015) at a similar temperature. © Elsevier B.Ven_AU
dc.identifier.citationObbard, E. G., Johnson, K. D., Burr, P. A., Lopes, D. A., Gregg, D. J., Liss, K. D., Griffiths, G., Scales., & Middleburgh, S. C. (2018). Anisotropy in the thermal expansion of uranium silicide measured by neutron diffraction. Journal of Nuclear Materials, 508, 516-520. doi:10.1016/j.jnucmat.2018.04.049en_AU
dc.identifier.govdoc9142en_AU
dc.identifier.issn0022-3115en_AU
dc.identifier.journaltitleJournal of Nuclear Materialsen_AU
dc.identifier.pagination516-520en_AU
dc.identifier.urihttps://doi.org/10.1016/j.jnucmat.2018.04.049en_AU
dc.identifier.urihttp://apo.ansto.gov.au/dspace/handle/10238/8982en_AU
dc.identifier.volume508en_AU
dc.language.isoenen_AU
dc.publisherElsevieren_AU
dc.subjectAccident-tolerant nuclear fuelsen_AU
dc.subjectThermal expansionen_AU
dc.subjectUraniumen_AU
dc.subjectSilicidesen_AU
dc.subjectPhase transformationsen_AU
dc.titleAnisotropy in the thermal expansion of uranium silicide measured by neutron diffractionen_AU
dc.typeJournal Articleen_AU
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