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dc.contributor.authorWang, Z-
dc.contributor.authorGarbe, U-
dc.contributor.authorLi, HJ-
dc.contributor.authorWang, Y-
dc.contributor.authorStuder, AJ-
dc.contributor.authorSun, G-
dc.contributor.authorHarrison, RP-
dc.contributor.authorLiao, X-
dc.contributor.authorVicente Alvarez, MA-
dc.contributor.authorSantisteban, JR-
dc.contributor.authorKong, C-
dc.identifier.citationWang, Z., Garbe, U., Li, H., Wang, Y., Studer, A. J., Sun, G., Harrison, R. P., Liao, X., Vicente Alvarez, M. A., Santisteban, J. R., & Kong, C. (2014). Microstructure and texture analysis of [delta]-hydride precipitation in Zircaloy-4 materials by electron microscopy and neutron diffraction. Journal of Applied Crystallography, 47(1), 303-315. doi:10.1107/S1600576713031956en_AU
dc.description.abstractThis work presents a detailed microstructure and texture study of various hydrided Zircaloy-4 materials by neutron diffraction and microscopy. The results show that the precipitated [delta]-ZrH1.66 generally follows the [delta](111)//[alpha](0001) and [delta][1{\overline 1}0]//[alpha][11{\overline 2}0] orientation relationship with the [alpha]-Zr matrix. The [delta]-hydride displays a weak texture that is determined by the texture of the [alpha]-Zr matrix, and this dependence essentially originates from the observed orientation correlation between [alpha]-Zr and [delta]-hydride. Neutron diffraction line profile analysis and high-resolution transmission electron microscopy observations reveal a significant number of dislocations present in the [delta]-hydride, with an estimated average density one order of magnitude higher than that in the [alpha]-Zr matrix, which contributes to the accommodation of the substantial misfit strains associated with hydride precipitation in the [alpha]-Zr matrix. The present observations provide an insight into the behaviour of [delta]-hydride precipitation in zirconium alloys and may help with understanding the induced embrittling effect of hydrides.© 2014, International Union of Crystallography.en_AU
dc.publisherInternational Union of Crystallographyen_AU
dc.subjectNeutron diffractionen_AU
dc.subjectElectron sourcesen_AU
dc.subjectZirconium alloysen_AU
dc.titleMicrostructure and texture analysis of [delta]-hydride precipitation in Zircaloy-4 materials by electron microscopy and neutron diffractionen_AU
dc.typeJournal Articleen_AU
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