The Effect of Growth Rate on the Microstructure and Mechanical Properties of 7020 Alloys

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dc.contributor.authorKaya, Hasan
dc.contributor.authorBuyuk, Ugur
dc.contributor.authorCadirli, Emin
dc.contributor.authorSahin, Mevlut
dc.contributor.authorGunduz, Mehmet
dc.date.accessioned2024-11-07T13:32:23Z
dc.date.available2024-11-07T13:32:23Z
dc.date.issued2022
dc.departmentNiğde Ömer Halisdemir Üniversitesi
dc.description.abstractThe 7020 aluminum alloy is one of the hardenable Al-Zn-Mg based alloys, which are a family of high strength aluminum alloys. These 7020 alloys are commonly used in the aircraft and automotive industries. The microstructural changes have a significant impact on the mechanical properties of binary and multi-component alloys. For this reason, 7020 aluminum alloys were prepared with different growth rates on account of the changes in the microstructures; thus, directionally solidification processes were actualized with a Bridgman furnace at five various growth rates (V = 8.3-166.0 mu m/s) and at constant temperature gradient (G = 8.3 K/mm). Microhardness (HV), ultimate tensile strength (sigma(U)) and yield strength (sigma(y)) of the solidified alloys were determined. The HV increased from 758.8 to 917.1 N/mm(2), the sigma(U) from 125.4 to 208.1 N/mm(2) and the sigma(y) from 133.7 to 230.8 N/mm(2) with an increase in growth rate from 8.3 to 166.0 mu m/s.
dc.description.sponsorshipErciyes University Scientific Research Project Unit [FBA-2017-7241]; Erciyes University
dc.description.sponsorshipThis project was supported by Erciyes University Scientific Research Project Unit, Contract No: FBA-2017-7241. The authors are obliged to Erciyes University for their financial contribution.
dc.identifier.doi10.1007/s11665-021-06298-8
dc.identifier.endpage1630
dc.identifier.issn1059-9495
dc.identifier.issn1544-1024
dc.identifier.issue2
dc.identifier.scopus2-s2.0-85117932247
dc.identifier.scopusqualityQ2
dc.identifier.startpage1622
dc.identifier.urihttps://doi.org/10.1007/s11665-021-06298-8
dc.identifier.urihttps://hdl.handle.net/11480/15377
dc.identifier.volume31
dc.identifier.wosWOS:000710884200007
dc.identifier.wosqualityQ4
dc.indekslendigikaynakWeb of Science
dc.indekslendigikaynakScopus
dc.language.isoen
dc.publisherSpringer
dc.relation.ispartofJournal of Materials Engineering and Performance
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanı
dc.rightsinfo:eu-repo/semantics/closedAccess
dc.snmzKA_20241106
dc.subject7020 alloy
dc.subjectcompressive yield strength
dc.subjectdendritic spacings
dc.subjectfracture surface analysis
dc.subjectmicrohardness
dc.subjectultimate tensile strength
dc.titleThe Effect of Growth Rate on the Microstructure and Mechanical Properties of 7020 Alloys
dc.typeArticle

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