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Optimisation of mechanical milling process for production of AA 7075/(SiC or TiB₂) composite powders

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dc.affiliation.dptoUC3M. Departamento de Ciencia e Ingeniería de Materiales e Ingeniería Químicaes
dc.affiliation.grupoinvUC3M. Grupo de Investigación: Tecnología de Polvoses
dc.contributor.authorJabbari Taleghani, Mohammad Ali
dc.contributor.authorRuiz Navas, Elisa Maríaes
dc.contributor.authorSalehi, M.
dc.contributor.authorTorralba Castelló, José Manueles
dc.date.accessioned2015-04-28T08:42:27Z
dc.date.available2015-04-28T08:42:27Z
dc.date.issued2012-09
dc.description.abstractThe present work concerns the processing of composite powders based on 7075 aluminium alloy by mechanical milling. A premixed powder (Alumix 431D, Ecka Granules, Germany) was used as the matrix material, and two different ceramic reinforcements (SiC and TiB₂) were chosen as reinforcements. The main objective was to evaluate the effect of the content and addition method of the process control agent as well as the content and type of reinforcement on the microstructural and morphological evolutions of the powder particles during milling process and the as milled properties of the processed materials. Results showed that regardless of the starting composition, alloying took place through three stages, in which deformation, cold welding and fracturing of powder particles were the main mechanisms involved respectively. The mechanically milled composite powders showed a fine and homogenous distribution of reinforcement particles. A higher content of reinforcement resulted in a lower crystalline size for the milled powders (∼18 nm for composite powders containing 15 vol.-% ceramic particles).en
dc.description.sponsorshipThe authors would like to thank the Comunidad de Madrid for their financial support of this work through the ESTRUMAT grant no. S2009/MAT-1585.en
dc.description.statusPublicadoes
dc.format.extent7
dc.format.mimetypeapplication/pdf
dc.identifier.bibliographicCitationPowder Metallurgy (2012). 55(4), 280-286.en
dc.identifier.doihttps://doi.org/10.1179/1743290112Y.0000000021
dc.identifier.issn0032-5899 (print)
dc.identifier.issn1743-2901 (Online)
dc.identifier.publicationfirstpage280
dc.identifier.publicationissue4
dc.identifier.publicationlastpage286
dc.identifier.publicationtitlePowder Metallurgyen
dc.identifier.publicationvolume55
dc.identifier.urihttps://hdl.handle.net/10016/20536
dc.identifier.uxxiAR/0000011178
dc.language.isoenges
dc.publisherManey Publishingen
dc.relation.ispartofhttp://hdl.handle.net/10016/20871
dc.relation.projectIDComunidad de Madrid. S2009/MAT-1585/ESTRUMATes
dc.rights© 2012. Institute of Materials, Minerals and Mining. Published by Maney on behalf of the Instituteen
dc.rights.accessRightsopen accessen
dc.subject.ecienciaMaterialeses
dc.subject.otherAluminium matrix compositesen
dc.subject.otherMechanical millingen
dc.subject.otherProcess control agenten
dc.subject.otherReinforcementen
dc.subject.otherMicrostructural and morphological evolutionen
dc.subject.otherPowder extraction efficiencyen
dc.titleOptimisation of mechanical milling process for production of AA 7075/(SiC or TiB₂) composite powdersen
dc.typeresearch article*
dc.type.hasVersionAM*
dspace.entity.typePublication
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