Evaluation of residual stresses in electron-beam welded Zr2.5Nb0.9Hf Zircadyne flange mock-up of a reflector vessel beam tube flange

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dc.contributor.authorMuránsky, Oen_AU
dc.contributor.authorHolden, TMen_AU
dc.contributor.authorKirstein, Oen_AU
dc.contributor.authorJames, JAen_AU
dc.contributor.authorParadowska, AMen_AU
dc.contributor.authorEdwards, Len_AU
dc.date.accessioned2013-11-11T02:52:11Zen_AU
dc.date.available2013-11-11T02:52:11Zen_AU
dc.date.issued2013-07-01en_AU
dc.date.statistics2013-11-11en_AU
dc.description.abstractThe dual-phase alloy Zr2.5Nb alloy is an important nuclear material, because of its use in current and possible use in future nuclear reactors. It is, however, well-known that Zr2.5Nb weldments can fail through a time-dependent mechanism called delayed hydride cracking which is typically driven by the presence of tensile residual stresses. With a view to understanding the development of residual stresses associated with Zr2.5Nb welds the current study focuses on the evaluation of the residual stresses in a mock-up of a reactor beam tube flange made from Zr2.5Nb0.9Hf. The present results suggests that, like ferritic welds which undergo a solid-state phase transformation upon welding, Zr2.5Nb0.9Hf welds also develop high tensile residual stresses in the heat-affected zone whereas the stresses closer to the weld tip are reduced by the effects of the beta -> alpha solid-state phase transformation. © 2013, Elsevier Ltd.en_AU
dc.identifier.citationMuransky, O., Holden, T. M., Kirstein, O., James, J. A., Paradowska, A. M., & Edwards, L. (2013). Evaluation of residual stresses in electron-beam welded Zr2.5Nb0.9Hf Zircadyne flange mock-up of a reflector vessel beam tube flange. Journal of Nuclear Materials, 438, 154-162. doi:10.1016/j.jnucmat.2013.02.045en_AU
dc.identifier.govdoc5085en_AU
dc.identifier.issn0022-3115en_AU
dc.identifier.journaltitleJournal of Nuclear Materialsen_AU
dc.identifier.pagination154-162en_AU
dc.identifier.urihttp://dx.doi.org/10.1016/j.jnucmat.2013.02.045en_AU
dc.identifier.urihttp://apo.ansto.gov.au/dspace/handle/10238/4916en_AU
dc.identifier.volume438en_AU
dc.language.isoenen_AU
dc.publisherElsevier Science BV.en_AU
dc.subjectNeutron diffractionen_AU
dc.subjectZirconiumen_AU
dc.subjectNiobiumen_AU
dc.subjectStressesen_AU
dc.subjectReactorsen_AU
dc.subjectTransformationsen_AU
dc.titleEvaluation of residual stresses in electron-beam welded Zr2.5Nb0.9Hf Zircadyne flange mock-up of a reflector vessel beam tube flangeen_AU
dc.typeJournal Articleen_AU
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