Detailed Investigation of Forming Limit Determination Standards for Aluminum Alloys

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dc.contributor.authorDilmec, Murat
dc.contributor.authorHalkaci, H. Selcuk
dc.contributor.authorOzturk, Fahrettin
dc.contributor.authorTurkoz, Mevlut
dc.date.accessioned2020-03-26T18:41:27Z
dc.date.available2020-03-26T18:41:27Z
dc.date.issued2013
dc.departmentSelçuk Üniversitesien_US
dc.description.abstractIn this study, experimental studies were conducted to evaluate the differences between the ASTM E2218-02 and ISO 12004-2 standards that are used for construction of the forming limit curve (FLC) and that made various assumptions, which create dissimilar FLCs for the same material. The comparison was made for two materials which have moderate brittle and ductile characteristics, AA2024-T4 and AA5754-O alloys, respectively. The effects of a specimen's geometry, lubrication condition, and determination methods of limit strains on FLCs were considered and compared. Because the same strain evaluation method should be used for the standards, so as to be able to investigate the effect of only standards, a simple method in the computer grid analysis system was used. To test the validity and the reliability of the method, limit strains on the same specimens were also determined with using a real-time measurement method for the ISO experiments, and the results reveal that the method is reliable. Failure mechanisms were inspected for further investigation. The Nakajima specimens formed with the two standards showed different failure mechanisms. Finally, conducting the case studies, it was concluded that ISO 12004-2 yields more reliable and reproducible results than the ASTM standard.en_US
dc.description.sponsorshipScientific and Technological Research Council of Turkey (TUBITAK)Turkiye Bilimsel ve Teknolojik Arastirma Kurumu (TUBITAK) [108M516]; Research Project Unit (BAP) of Selcuk UniversitySelcuk University [09101005]en_US
dc.description.sponsorshipThis work is supported by The Scientific and Technological Research Council of Turkey (TUBITAK), Project No. 108M516, Project Title: "Adding Drawbead to the Blank Holder for Enhancing Formability of Aluminum Alloy Sheets with Hydroforming Process." This work is also supported by the Research Project Unit (BAP) of Selcuk University under Project No. 09101005. TUBITAK, Selcuk University, and Metal Forming Laboratory in Nigde University, and Metal Forming Center of Excellence in Atilim University are profoundly acknowledged.en_US
dc.identifier.doi10.1520/JTE104356en_US
dc.identifier.endpage21en_US
dc.identifier.issn0090-3973en_US
dc.identifier.issn1945-7553en_US
dc.identifier.issue1en_US
dc.identifier.scopusqualityQ3en_US
dc.identifier.startpage10en_US
dc.identifier.urihttps://dx.doi.org/10.1520/JTE104356
dc.identifier.urihttps://hdl.handle.net/20.500.12395/29362
dc.identifier.volume41en_US
dc.identifier.wosWOS:000315009100002en_US
dc.identifier.wosqualityQ4en_US
dc.indekslendigikaynakWeb of Scienceen_US
dc.indekslendigikaynakScopusen_US
dc.language.isoenen_US
dc.publisherAMER SOC TESTING MATERIALSen_US
dc.relation.ispartofJOURNAL OF TESTING AND EVALUATIONen_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/closedAccessen_US
dc.selcuk20240510_oaigen_US
dc.subjectASTM E2218-02en_US
dc.subjectISO 12004-2en_US
dc.subjectforming limit curveen_US
dc.subjectfailureen_US
dc.titleDetailed Investigation of Forming Limit Determination Standards for Aluminum Alloysen_US
dc.typeArticleen_US

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