Effect of Ag additions on the β phase formation reaction in the Cu-9 wt.%Al-6 wt.%Mn alloy

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dc.contributor.authorAdorno, A. T. [UNESP]
dc.contributor.authorCarvalho, T. M. [UNESP]
dc.contributor.authorSilva, R. A G
dc.contributor.authorSantos, C. M A [UNESP]
dc.contributor.authorMagdalena, A. G. [UNESP]
dc.contributor.institutionUniversidade Estadual Paulista (Unesp)
dc.contributor.institutionUniversidade Federal de São Paulo (UNIFESP)
dc.date.accessioned2018-12-11T16:57:34Z
dc.date.available2018-12-11T16:57:34Z
dc.date.issued2015-09-15
dc.description.abstractThe influence of 4 and 5 wt.%Ag additions on the kinetics of β [T<inf>7</inf>-(CuMn)<inf>3</inf>Al] phase formation reaction in the Cu-9 wt.%Al-6 wt.%Mn alloy was studied using differential scanning calorimetry (DSC), X-ray diffractometry (XRD) and scanning electron microscopy (SEM). The results indicate that the conversion dependence of the activation energy has a descending shape, suggesting a multi-step process involving reversible reactions. The presence of Ag facilitates the formation of the β phase. The results also showed that the Ag precipitates formation includes the dissolution of Mn and Al atoms, thus decreasing the partial fraction of these elements available to react.en
dc.description.affiliationDepartamento de Físico-Química, Instituto de Química, UNESP, Caixa Postal 355
dc.description.affiliationDepartamento de Ciências Exatas e da Terra, UNIFESP
dc.description.affiliationUnespDepartamento de Físico-Química, Instituto de Química, UNESP, Caixa Postal 355
dc.format.extentS275-S279
dc.identifierhttp://dx.doi.org/10.1016/j.jallcom.2014.09.206
dc.identifier.citationJournal of Alloys and Compounds, v. 643, n. S1, p. S275-S279, 2015.
dc.identifier.doi10.1016/j.jallcom.2014.09.206
dc.identifier.file2-s2.0-84930924006.pdf
dc.identifier.issn0925-8388
dc.identifier.scopus2-s2.0-84930924006
dc.identifier.urihttp://hdl.handle.net/11449/171884
dc.language.isoeng
dc.relation.ispartofJournal of Alloys and Compounds
dc.relation.ispartofsjr1,020
dc.rights.accessRightsAcesso aberto
dc.sourceScopus
dc.subjectKinetics
dc.subjectMetals and alloys
dc.subjectSolid state reactions
dc.subjectThermal analysis
dc.titleEffect of Ag additions on the β phase formation reaction in the Cu-9 wt.%Al-6 wt.%Mn alloyen
dc.typeArtigo
unesp.author.lattes9021023390828296[5]
unesp.author.orcid0000-0003-3385-2106[5]

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