Effect of the milling atmosphere on the microstructure and mechanical properties of a ODS Fe-14Cr model alloy

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dc.contributor.author Auger Martínez, Maria Angustias
dc.contributor.author Castro Bernal, María Vanessa de
dc.contributor.author Leguey Galán, Teresa
dc.contributor.author Lozano Pérez, Sergio
dc.contributor.author Bagot, P.A.J.
dc.contributor.author Moody, M.P.
dc.contributor.author Roberts, S. G.
dc.date.accessioned 2021-02-15T12:48:21Z
dc.date.available 2021-02-15T12:48:21Z
dc.date.issued 2016-08-01
dc.identifier.bibliographicCitation Auger, M. A., de Castro, V., Leguey, T., Lozano-Perez, S., Bagot, P. A. J., Moody, M. P., et al. (2016). Effect of the milling atmosphere on the microstructure and mechanical properties of a ODS fe-14Cr model alloy. Materials Science and Engineering: A, 671, 264-274.
dc.identifier.issn 0921-5093
dc.identifier.uri http://hdl.handle.net/10016/31929
dc.description.abstract A systematic study has been undertaken to assess how the milling atmosphere, in the processing of an ODS steel with nominal composition Fe-14Cr-0.3Y(2)O(3) (wt%), will affect the microstructure and mechanical properties of the resultant alloys. Batches of the steel were manufactured by a powder metallurgy route incorporating mechanical alloying, hot isostatic pressing, forging and heat treatment. Hydrogen or helium atmospheres were used in the mechanical alloying, with all other processing parameters remaining identical. Transmission electron microscopy (TEM) and Atom Probe Tomography (APT) show that both milling atmospheres promote a homogeneous dispersion of Y-rich nanoparticles in the final alloys, being smaller when milling in H. Previously reported mechanical characterisation of these alloys shows better mechanical response at high temperature for the alloy milled in a H. This can be justified by the presence of smaller Y-rich nanoparticles together with the absence of bubbles, observed in the alloy milled in He.
dc.language.iso eng
dc.publisher Elsevier
dc.rights © 2016 Elsevier
dc.rights Atribución-NoComercial-SinDerivadas 3.0 España
dc.rights.uri http://creativecommons.org/licenses/by-nc-nd/3.0/es/
dc.subject.other ODS steels
dc.subject.other Powder metallurgy
dc.subject.other Milling atmosphere
dc.subject.other TEM
dc.subject.other APT
dc.subject.other Dispersion strengthened steels
dc.subject.other Nanostructured ferritic alloy
dc.subject.other Martensitic steels
dc.subject.other Distributions
dc.title Effect of the milling atmosphere on the microstructure and mechanical properties of a ODS Fe-14Cr model alloy
dc.type article
dc.subject.eciencia Física
dc.identifier.doi https://doi.org/10.1016/j.msea.2016.06.054
dc.rights.accessRights openAccess
dc.type.version acceptedVersion
dc.identifier.publicationfirstpage 264
dc.identifier.publicationlastpage 274
dc.identifier.publicationtitle Materials Science and Engineering: A
dc.identifier.publicationvolume 671
dc.identifier.uxxi AR/0000018129
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