Fabrication and characterization of functionally graded material (FGM) structure containing two dissimilar steels (ER70S-6 and 308LSi) by wire arc additive manufacturing (WAAM)

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dc.contributor.authorAyan, Yusuf
dc.contributor.authorKahraman, Nizamettin
dc.date.accessioned2024-09-29T16:00:28Z
dc.date.available2024-09-29T16:00:28Z
dc.date.issued2022
dc.departmentKarabük Üniversitesien_US
dc.description.abstractFunctionally graded materials (FGM) are components that can provide different material properties in a single structure. It is sometimes required to exhibit locally different material behaviours from parts used for various purposes in the industry. In such requirements, the use of FGM structures emerges as a solution. The fabrication of FGM structures with traditional manufacturing methods is generally complicated and sometimes not possible. However, the additive manufacturing (AM) technique, which is the topic of many applications and research today, has emerged as a superior manufacturing method compared to traditional methods in fabrication FGM structures, thanks to its advantages. Fabrication in the form of layers with the AM allows the fabrication of layers with varying material properties. This study was carried out on the fabrication of FGM structures by the wire arc additive manufacturing (WAAM) method, which is one of the metal AM techniques. Low alloy steel (ER70S-6) and austenitic stainless steel (308LSi) metal wires are used in FGM structures. The FGM structure was success-fully fabricated by the WAAM method. Hardness, tensile, and fatigue tests were applied to determine the me-chanical properties of the part. In addition, XRD analysis and microstructure studies were carried out to understand the metallurgical properties. As a result of the mechanical tests, no defects were observed in the FGM interfaces, and an increase of up to 46% was observed in the tensile strength compared to the single-material fabrication. In hardness measurements and microstructure studies, it has been observed that the FGM struc-ture exhibits different properties according to the changing layers. It has been concluded that the fatigue limit of the FGM part in the horizontal direction is 25% higher than in the vertical direction.en_US
dc.description.sponsorshipKarab?k University Scientific Research Projects Coordination Unit; Scientific and Technological Research Council of Turkey; [FDK-2019-2130]; [219M111]en_US
dc.description.sponsorshipAcknowledgements This study was supported by Karab?k University Scientific Research Projects Coordination Unit (Project number: FDK-2019-2130) and The Scientific and Technological Research Council of Turkey (Project num- ber: 219M111) . The authors would like to thank these institutions.en_US
dc.identifier.doi10.1016/j.mtcomm.2022.104457
dc.identifier.issn2352-4928
dc.identifier.scopus2-s2.0-85138393346en_US
dc.identifier.scopusqualityQ2en_US
dc.identifier.urihttps://doi.org/10.1016/j.mtcomm.2022.104457
dc.identifier.urihttps://hdl.handle.net/20.500.14619/5165
dc.identifier.volume33en_US
dc.identifier.wosWOS:000867518000003en_US
dc.identifier.wosqualityQ2en_US
dc.indekslendigikaynakWeb of Scienceen_US
dc.indekslendigikaynakScopusen_US
dc.language.isoenen_US
dc.publisherElsevieren_US
dc.relation.ispartofMaterials Today Communicationsen_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/closedAccessen_US
dc.subjectFunctionally graded materialen_US
dc.subjectFGMen_US
dc.subjectWAAMen_US
dc.subjectBimetalen_US
dc.subjectSteelen_US
dc.subjectFatigueen_US
dc.subjectTensile testen_US
dc.titleFabrication and characterization of functionally graded material (FGM) structure containing two dissimilar steels (ER70S-6 and 308LSi) by wire arc additive manufacturing (WAAM)en_US
dc.typeArticleen_US

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