Effect of heat treatment on the microstructures and mechanical properties of Al-5.5Zn-2.5Mg alloy

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dc.contributor.authorAcer, Emine
dc.contributor.authorCadirli, Emin
dc.contributor.authorErol, Harun
dc.contributor.authorKirindi, Talip
dc.contributor.authorGunduz, Mehmet
dc.date.accessioned2019-08-01T13:38:39Z
dc.date.available2019-08-01T13:38:39Z
dc.date.issued2016
dc.departmentNiğde ÖHÜ
dc.description.abstractThe Al-5.5 Zn-2.5 Mg (wt%) ternary alloy was prepared using a vacuum melting furnace and a casting furnace. Microstructural and mechanical properties of the alloy were investigated as-cast and under heat-treated conditions. To investigate the effect of heat treatment, numerous designed Al-5.5 Zn-2.5 Mg samples were homogenized under different conditions and then aged under different regimes. The effects of heat treatment on the microstructures were examined by OM, SEM, and TEM, and mechanical properties of the Al-Zn-Mg alloy were studied. A good combination of high microhardness and reasonable tensile strength were obtained by successive and suitable heat treatments. After aging for 24 h at 150 degrees C, the peak microhardnes and tensile strength values were achieved as 157 MPa and 188.8 MPa, respectively. The microscopic fracture surfaces of the aged samples under different homogenization and aging conditions were observed using scanning electron microscopy. Fractographic analysis of the tensile fracture surfaces shows that the type of fracture changed significantly from ductile to more ductile depending on the aging regime. (C) 2016 Elsevier B.V. All rights reserved.
dc.description.sponsorshipErciyes University Scientific Research Project Unit [FBD-12-3978, FOA-2014-5195]
dc.description.sponsorshipThis work was supported by the Erciyes University Scientific Research Project Unit under contract No's: FBD-12-3978 and FOA-2014-5195. The authors are grateful for the financial supports.
dc.identifier.doi10.1016/j.msea.2016.03.073
dc.identifier.endpage156
dc.identifier.issn0921-5093
dc.identifier.issn1873-4936
dc.identifier.scopus2-s2.0-84961219262
dc.identifier.scopusqualityQ1
dc.identifier.startpage144
dc.identifier.urihttps://dx.doi.org/10.1016/j.msea.2016.03.073
dc.identifier.urihttps://hdl.handle.net/11480/3662
dc.identifier.volume662
dc.identifier.wosWOS:000375164300018
dc.identifier.wosqualityQ1
dc.indekslendigikaynakWeb of Science
dc.indekslendigikaynakScopus
dc.institutionauthor[0-Belirlenecek]
dc.language.isoen
dc.publisherELSEVIER SCIENCE SA
dc.relation.ispartofMATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanı
dc.rightsinfo:eu-repo/semantics/closedAccess
dc.subjectAl-Zn-Mg alloy
dc.subjectAging
dc.subjectPrecipitation
dc.subjectMicrohardness
dc.subjectTensile strength
dc.subjectFracture surface
dc.titleEffect of heat treatment on the microstructures and mechanical properties of Al-5.5Zn-2.5Mg alloy
dc.typeArticle

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