Hydrogen accommodation in Zr second phase particles: implications for H pick-up and hydriding of zircaloy-2 and zircaloy-4

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dc.contributor.authorBurr, PAen_AU
dc.contributor.authorMurphy, STen_AU
dc.contributor.authorLumley, SCen_AU
dc.contributor.authorWenman, MRen_AU
dc.contributor.authorGrimes, RWen_AU
dc.date.accessioned2015-09-28T06:03:02Zen_AU
dc.date.available2015-09-28T06:03:02Zen_AU
dc.date.issued2013-04-01en_AU
dc.date.statistics2015-09-16en_AU
dc.description.abstractAb-initio computer simulations have been used to predict the energies associated with the accommodation of H atoms at interstitial sites in α, β-Zr and Zr–M intermetallics formed with common alloying additions (M = Cr, Fe, Ni). Intermetallics that relate to the Zr2(Ni,Fe) second phase particles (SPPs) found in Zircaloy-2 exhibit favourable solution enthalpies for H. The intermetallic phases that relate to the Zr(Cr,Fe)2 SPPs, found predominantly in Zircaloy-4, do not offer favourable sites for interstitial H. It is proposed that Zr(Cr,Fe)2 particles may act as bridges for the migration of H through the oxide layer, whilst the Zr2(Ni,Fe)-type particles will trap the migrating H until these are dissolved or fully oxidised. © 2012, Elsevier Ltd.en_AU
dc.identifier.citationBurr, P. A., Murphy, S. T., Lumley, S. C., Wenman, M. R., & Grimes, R. W. (2013). Hydrogen accommodation in Zr second phase particles: implications for H pick-up and hydriding of Zircaloy-2 and Zircaloy-4. Corrosion Science, 69, 1-4. doi:10.1016/j.corsci.2012.11.036en_AU
dc.identifier.govdoc6072en_AU
dc.identifier.issn0010-938Xen_AU
dc.identifier.journaltitleCorrosion Scienceen_AU
dc.identifier.pagination45017en_AU
dc.identifier.urihttp://dx.doi.org/10.1016/j.corsci.2012.11.036en_AU
dc.identifier.urihttp://apo.ansto.gov.au/dspace/handle/10238/6227en_AU
dc.identifier.volume69en_AU
dc.language.isoenen_AU
dc.publisherElsevieren_AU
dc.subjectZirconiumen_AU
dc.subjectOxidesen_AU
dc.subjectZircaloyen_AU
dc.subjectNuclear fuelsen_AU
dc.subjectEnthalpyen_AU
dc.subjectHydrogenen_AU
dc.titleHydrogen accommodation in Zr second phase particles: implications for H pick-up and hydriding of zircaloy-2 and zircaloy-4en_AU
dc.typeJournal Articleen_AU
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