Please use this identifier to cite or link to this item: http://repositorio.ufpa.br:8080/jspui/handle/2011/10846
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dc.creatorMAGNO, Igor Alexsander Barbosa-
dc.creatorSOUZA, Fabricio Vinicius Andrade de-
dc.creatorBARROS, André dos Santos-
dc.creatorCOSTA, Marlo Oliveira-
dc.creatorNASCIMENTO, Jacson Malcher-
dc.creatorCOSTA, Thiago Antônio Paixão de Sousa-
dc.creatorROCHA, Otávio Fernandes Lima da-
dc.date.accessioned2019-04-01T21:44:00Z-
dc.date.available2019-04-01T21:44:00Z-
dc.date.issued2017-11-
dc.identifier.citationMAGNO, Igor Alexsander Barbosa et al . Effect of the T6 Heat Treatment on Microhardness of a Directionally Solidified Aluminum-Based 319 Alloy. Materials Research, São Carlos, v. 20, supl. 2, p. 662-666, 2017. Disponível em: http://repositorio.ufpa.br/jspui/handle/2011/10846. Acesso em;.pt_BR
dc.identifier.issn1980-5373pt_BR
dc.identifier.urihttp://repositorio.ufpa.br/jspui/handle/2011/10846-
dc.description.abstractAluminum alloys of the ANSI series 319 present Si and Cu as the main alloying elements and the mechanical strength of these alloys can be improved by the precipitation of the metastable Al2Cu phase during the ageing heat treatment. In this paper, the Al-5.5wt.%Si-3wt.%Cu alloy was elaborated and solidified in a water-cooled horizontal directional solidification device. The as-cast ingot was subjected to the precipitation hardening heat treatment (T6 heat treatment), which consisted of: solution for 5 h at 490°C±2°C, followed by quenching in water at 60°C±2°C and ageing for 3 h at 155°C±2°C, and cooling-air. Secondary dendrite arm spacing (λ2) measurements were carried out before and after T6 heat treatment. The mechanical strength of the alloy was investigated by the microhardness test. It has been found that the heat treatment did not influence the λ2 values, however, highest HV values have been observed for the heat-treated samples.pt_BR
dc.description.sponsorshipFAPESPA - Fundação Amazônia de Amparo a Estudos e Pesquisaspt_BR
dc.languageengpt_BR
dc.publisherUniversidade Federal do Parápt_BR
dc.relation.ispartofMaterials Researchpt_BR
dc.rightsAcesso Abertopt_BR
dc.source.urihttp://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-14392017000800662&lang=enpt_BR
dc.subjectT6 Heat Treatmentpt_BR
dc.subjectMicrostructurept_BR
dc.subjectAl-Cu-Si Alloyspt_BR
dc.titleEffect of the T6 Heat Treatment on Microhardness of a Directionally Solidified Aluminum-Based 319 Alloypt_BR
dc.typeArtigo de Periódicopt_BR
dc.publisher.countryBrasilpt_BR
dc.publisher.initialsUFPApt_BR
dc.creator.Latteshttp://lattes.cnpq.br/1230938135168318pt_BR
dc.creator.Latteshttp://lattes.cnpq.br/2806767364016121pt_BR
dc.creator.Latteshttp://lattes.cnpq.br/5276697229539907pt_BR
dc.creator.Latteshttp://lattes.cnpq.br/8117679302609942pt_BR
dc.creator.Latteshttp://lattes.cnpq.br/6363834012382032pt_BR
dc.creator.Latteshttp://lattes.cnpq.br/2567897020762797pt_BR
dc.creator.Latteshttp://lattes.cnpq.br/0702326922309672pt_BR
dc.identifier.doihttp://dx.doi.org/10.1590/1980-5373-mr-2016-0961pt_BR
dc.description.affiliationMAGNO, I. A. B.; SOUZA, F. V. A.; BARROS, A. S.;NASCIMENTO, J. M.; ROCHA, O. F. L. Universidade Federa do Parápt_BR
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