Enhancement of Mechanical Properties of Aluminum and 2124 Aluminum Alloy by the Addition of Quasicrystalline Phases

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dc.citation.volume19
dc.contributor.authorWolf, Witor
dc.contributor.authorRodriguez Aliaga, Luis Cesar
dc.contributor.authorTravessa, Dilermando Nagle [UNIFESP]
dc.contributor.authorMoreira Afonso, Conrado Ramos
dc.contributor.authorBolfarini, Claudemiro
dc.contributor.authorKiminami, Claudio Shyinti
dc.contributor.authorBotta, Walter Jose
dc.coverageSao Carlos
dc.date.accessioned2020-07-31T12:47:04Z
dc.date.available2020-07-31T12:47:04Z
dc.date.issued2016
dc.description.abstractA structural and mechanical characterization of pure aluminum and 2124 T6 aluminum alloy reinforced with quasicrystalline phases of composition Al65Cu20Fe15 and Al70.5Pd21Mn8.5 (% at.) were performed. The quasicrystalline phases were synthesized by arc melting and then milled to produce powder of the alloys, which were then mechanical mixed with the starting powders of aluminum and 2124 aluminum alloy. The composites were produced by hot extrusion of a mechanical mixture containing 20% (% wt.) of the reinforcing phases on the metallic matrix. The structural characterization of the composites was carried out by X- ray diffraction, scanning electron microscopy and transmission electron microscopy. Mechanical characterization was carried out by Vickers hardness measurements and torsion tests at room temperature. The pure aluminum/ quasicrystal composite showed the presence of the same phases from the starting powder mixture while for the 2124 aluminum alloy/Al65Cu20Fe15 the quasicrystalline phase transformed to the tetragonal w-Al7Cu2 Fe during the solution heat treatment. Mechanical strength of the composites presented a substantial increase in comparison to the original matrix metal. While the equivalent ultimate tensile strength of the Al/ quasicrystal composites reached values up to 215MPa and Vickers hardness up to 60HV, the 2124/ quasicrystal composites reached values up to 670MPa and Vickers hardness up to 190HV.en
dc.description.affiliationFed Univ Sao Carlos UFSCAR, Grad Program Mat Sci & Engn, Rod Washington Luiz,Km 235, BR-13565905 Sao Carlos, SP, Brazil
dc.description.affiliationState Univ Rio de Janeiro UERJ, Polytech Inst, R Bonfim 25, BR-28625570 Nova Friburgo, RJ, Brazil
dc.description.affiliationFed Univ Sao Paulo UNIFESP, Sci & Technol Inst, R Talim 330, BR-12231280 Sao Jose Dos Campos, SP, Brazil
dc.description.affiliationFed Univ Sao Carlos UFSCAR, Dept Mat Engn, Rod Washington Luiz,Km 235, BR-13565905 Sao Carlos, SP, Brazil
dc.description.affiliationUnifespScience and Technology Institute, Universidade Federal de São Paulo (UNIFESP), R. Talim 330, 12231-280, São José dos Campos, SP, Brazil
dc.description.sourceWeb of Science
dc.description.sponsorshipFundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)
dc.description.sponsorshipCoordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)
dc.description.sponsorshipConselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq)
dc.description.sponsorshipIDFAPESP: 2011/06497-9
dc.format.extent74-79
dc.identifierhttp://dx.doi.org/10.1590/1980-5373-MR-2016-0088
dc.identifier.citationMaterials Research-Ibero-American Journal Of Materials. Sao Carlos, v. 19, p. 74-79, 2016.
dc.identifier.doi10.1590/1980-5373-MR-2016-0088
dc.identifier.fileS1516-14392016000700074.pdf
dc.identifier.issn1516-1439
dc.identifier.scieloS1516-14392016000700074
dc.identifier.urihttps://repositorio.unifesp.br/handle/11600/56568
dc.identifier.wosWOS:000398451900013
dc.language.isoeng
dc.publisherUniv Fed Sao Carlos, Dept Engenharia Materials
dc.relation.ispartofMaterials Research-Ibero-American Journal Of Materials
dc.relation.ispartof6th Latin American Conference on Metastable and Nanostructured Materials (NANOMAT)
dc.rightsinfo:eu-repo/semantics/openAccess
dc.subjectQuasicrystalsen
dc.subjectMetal matrix compositesen
dc.subjectTEMen
dc.subjectAluminum alloysen
dc.titleEnhancement of Mechanical Properties of Aluminum and 2124 Aluminum Alloy by the Addition of Quasicrystalline Phasesen
dc.typeinfo:eu-repo/semantics/article
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