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dc.contributor.author
Xu, W.
dc.contributor.author
Galano, M.
dc.contributor.author
Audebert, Fernando Enrique
dc.date.available
2019-08-30T17:05:18Z
dc.date.issued
2017-08
dc.identifier.citation
Xu, W.; Galano, M.; Audebert, Fernando Enrique; Nanoquasicrystalline Al-Fe-Cr-Ti alloy matrix/γ-Al2O3nanocomposite powders: The effect of the ball milling process; Elsevier Science Sa; Journal of Alloys and Compounds; 701; 8-2017; 342-349
dc.identifier.issn
0925-8388
dc.identifier.uri
http://hdl.handle.net/11336/82587
dc.description.abstract
Quasicrystalline aluminium alloys and aluminium based nanocomposites with the advantage of high strength over commercial aluminium alloys have been studied for many years. In this work a nanoquasicrystalline Al-Fe-Cr-Ti alloy powder and a nanocomposite consisting of a mixture of a nanoquasicrystalline alloy and nanosize γ-Al2O3 powders were produced through mechanical milling with different milling speeds. It has been observed that a higher milling time or milling speed can improve the homogeneity of the γ-Al2O3 distribution. The α-Al crystallite size decreases and the hardness increases with the milling time. The smallest crystallite size (14 nm) and the highest hardness value (638 HV10g) were obtained for the nanocomposite after 30 h of milling at 250 rpm. As the α-Al crystallite size is the main change in the microstructure during the ball milling process, the change in the hardness of the milled powders was found to follow a Hall-Petch type relation with an exponent of 0.25.
dc.format
application/pdf
dc.language.iso
eng
dc.publisher
Elsevier Science Sa
dc.rights
info:eu-repo/semantics/openAccess
dc.rights.uri
https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
dc.subject
Aluminium
dc.subject
Hardness
dc.subject
Mechanical Milling
dc.subject
Nanocomposites
dc.subject
Quasicrystals
dc.subject.classification
Ingeniería de los Materiales
dc.subject.classification
Ingeniería de los Materiales
dc.subject.classification
INGENIERÍAS Y TECNOLOGÍAS
dc.title
Nanoquasicrystalline Al-Fe-Cr-Ti alloy matrix/γ-Al2O3nanocomposite powders: The effect of the ball milling process
dc.type
info:eu-repo/semantics/article
dc.type
info:ar-repo/semantics/artículo
dc.type
info:eu-repo/semantics/publishedVersion
dc.date.updated
2019-08-30T14:18:15Z
dc.journal.volume
701
dc.journal.pagination
342-349
dc.journal.pais
Países Bajos
dc.journal.ciudad
Amsterdam
dc.description.fil
Fil: Xu, W.. University of Oxford; Reino Unido
dc.description.fil
Fil: Galano, M.. University of Oxford; Reino Unido
dc.description.fil
Fil: Audebert, Fernando Enrique. Consejo Nacional de Investigaciones Científicas y Técnicas. Oficina de Coordinación Administrativa Houssay. Instituto de Tecnologías y Ciencias de la Ingeniería "Hilario Fernández Long". Universidad de Buenos Aires. Facultad de Ingeniería. Instituto de Tecnologías y Ciencias de la Ingeniería "Hilario Fernández Long"; Argentina. Oxford Brookes University; Reino Unido
dc.journal.title
Journal of Alloys and Compounds
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/doi/http://dx.doi.org/10.1016/j.jallcom.2016.11.412
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/url/https://www.sciencedirect.com/science/article/pii/S0925838816338956
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