Characterization of ion-irradiated ODS Fe-Cr alloys by doppler broadening spectroscopy using a positron beam

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dc.contributor.author Parente, Paola
dc.contributor.author Leguey Galán, Teresa
dc.contributor.author Castro Bernal, María Vanessa de
dc.contributor.author Gigl, T.
dc.contributor.author Reiner, M.
dc.contributor.author Hugenschmidt, C.
dc.contributor.author Pareja Pareja, Ramiro
dc.date.accessioned 2021-02-22T11:52:51Z
dc.date.available 2021-02-22T11:52:51Z
dc.date.issued 2015-09-01
dc.identifier.bibliographicCitation Parente,P., Leguey, T., Castro, V. de, Gigl, T., Reiner, M., Hugenschmidt, C. y Pareja, R. (2015). Characterization of ion-irradiated ODS Fe–Cr alloys by doppler broadening spectroscopy using a positron beam. Journal of Nuclear Materials, 464 , pp. 140-146.
dc.identifier.issn 0022-3115
dc.identifier.uri http://hdl.handle.net/10016/31985
dc.description.abstract The damage profile of oxide dispersion strengthened steels after single-, or simultaneous triple-ion irradiation at different conditions has been characterized using a low energy positron beam in order to provide information on microstructural changes induced by irradiation. Doppler broadening and coincident Doppler broadening measurements of the positron annihilation line have been performed on different Fe-Cr-(W,Ti) alloys reinforced with Y2O3, to identify the nature and stability of irradiation-induced open-volume defects and their possible association with the oxide nanoparticles. It was found that irradiation induced vacancy clusters are associated with Cr atoms. The results are of highest interest for modeling the damage induced by 14 MeV neutrons in reduced activation Fe-Cr alloys relevant for fusion devices.
dc.description.sponsorship This investigation was supported by the Ministerio de Ciencia e Innovación (Contract ENE2010-17462), and the European Commission through the European Fusion Development Agreement (Contract No. 09-240) and 7th FP through the “Research infrastructures” action of the “Capacities” Program, NMI3-II (Grant 283883). The authors acknowledge the JANNUS-Saclay team for their scientific and technological advice.
dc.format.extent 33
dc.language.iso eng
dc.publisher Elsevier
dc.rights © 2015 Elsevier Ltd. All rights reserved.
dc.rights Atribución-NoComercial-SinDerivadas 3.0 España
dc.rights.uri http://creativecommons.org/licenses/by-nc-nd/3.0/es/
dc.title Characterization of ion-irradiated ODS Fe-Cr alloys by doppler broadening spectroscopy using a positron beam
dc.type article
dc.subject.eciencia Física
dc.identifier.doi https://doi.org/10.1016/j.jnucmat.2015.04.033
dc.rights.accessRights openAccess
dc.relation.projectID Gobierno de España. ENE2010-17462
dc.relation.projectID info:eu-repo/grantAgreement/EC/FP7/283883
dc.type.version acceptedVersion
dc.identifier.publicationfirstpage 140
dc.identifier.publicationlastpage 146
dc.identifier.publicationtitle Journal of Nuclear Materials
dc.identifier.publicationvolume 464
dc.identifier.uxxi AR/0000017182
dc.contributor.funder European Commission
dc.contributor.funder Ministerio de Economía y Competitividad (España)
dc.affiliation.dpto UC3M. Departamento de Física
dc.affiliation.grupoinv UC3M. Grupo de Investigación: Materiales Nano-Estructurados y Multifuncionales
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