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Small-angle neutron scattering study of the nano-sized features in an oxide dispersion-strengthened Fe12Cr alloy

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dc.affiliation.dptoUC3M. Departamento de Físicaes
dc.affiliation.grupoinvUC3M. Grupo de Investigación: Materiales Nano-Estructurados y Multifuncionaleses
dc.contributor.authorPareja Pareja, Ramiro
dc.contributor.authorParente, Paola
dc.contributor.authorMuñoz Castellanos, Ángel
dc.contributor.authorRadulescu, A
dc.contributor.authorCastro Bernal, María Vanessa de
dc.contributor.funderComunidad de Madrides
dc.contributor.funderEuropean Commissionen
dc.contributor.funderMinisterio de Economía y Competitividad (España)es
dc.date.accessioned2021-02-22T12:48:11Z
dc.date.available2021-02-22T12:48:11Z
dc.date.issued2015-08-03
dc.description.abstractSmall-angle neutron scattering experiments, along with positron lifetime measurements and transmission electron microscopy observations, were performed on samples of an oxide dispersion-strengthened (ODS) Fe12Cr alloy and its non-ODS counterpart in order to characterize their nano-sized features. The nuclear and magnetic scattering data were analysed using the maximum entropy approach for obtaining the size distribution of the scattering centres in these materials. The positron annihilation results and the TEM information have made possible an interpretation of the volume distribution of the scattering centres having sizes below ~16nm and their proper quantitative analyses. The smaller scattering centres in the ODS alloy exhibit distributions with modal values at ~6-7 and 12-14nm. The peak at ~6-7nm appears to be due to the overlapping of more than one type of scattering centres, while the one at ~12-14nm can be exclusively attributed to the Y-rich centres. The quantitative analysis of the magnetic scattering data yields a volume fraction and number density of the Y-rich particles estimated in 0.70 +/- 0.03% and 0.77x10(22)m(-3), respectively.en
dc.description.sponsorshipThis investigation was supported by the Spanish Ministry of Science and Innovation [grant number ENE2010-17462]; Comunidad de Madrid through the program ESTRUMAT-CM [grant number S2009/MAT-1585]; European Union under the 7th Framework Program [grant number 312483]; and ESTEEM2 (Integrated Infrastructure Initiative-I3) and the Royal Society International Exchanges Scheme 2011/R1 [grant number IE110136].en
dc.format.extent33
dc.identifier.bibliographicCitationPareja, R., Parente, P., Muñoz, A., Radulescu, A. y Castro, V. de (2015). Small-angle neutron scattering study of the nano-sized features in an oxide dispersion-strengthened Fe12Cr alloy. Philosophical Magazine, 95(22), pp. 2450-2465.en
dc.identifier.doihttps://doi.org/10.1080/14786435.2015.1063789
dc.identifier.issn1478-6435
dc.identifier.publicationfirstpage2450
dc.identifier.publicationissue22
dc.identifier.publicationlastpage2465
dc.identifier.publicationtitlePhilosophical Magazineen
dc.identifier.publicationvolume95
dc.identifier.urihttps://hdl.handle.net/10016/31988
dc.identifier.uxxiAR/0000017184
dc.language.isoengen
dc.publisherTaylor & Francis Onlineen
dc.relation.projectIDComunidad de Madrid. S2009/MAT-1585es
dc.relation.projectIDGobierno de España. ENE2010-17462es
dc.relation.projectIDinfo:eu-repo/grantAgreement/EC/FP7/312483en
dc.rights© 2015 Routledge Taylor & Francis.en
dc.rights.accessRightsopen access
dc.subject.ecienciaFísicaes
dc.subject.otherSmall-angle neutron scatteringen
dc.subject.otherOxide dispersion strengtheningen
dc.subject.otherPositron annihilation spectroscopyen
dc.subject.otherTransmission electron microscopyen
dc.subject.otherMaximum entropy methoden
dc.titleSmall-angle neutron scattering study of the nano-sized features in an oxide dispersion-strengthened Fe12Cr alloyen
dc.typeresearch article*
dc.type.hasVersionAM*
dspace.entity.typePublication
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