Characterization and fracture toughness evaluation of the thick-walled wire arc additively manufactured low alloy steels

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dc.contributor.authorDağyıkan, Kadir
dc.contributor.authorGürol, Uğur
dc.contributor.authorKoçak, Mustafa
dc.date.accessioned2024-06-13T20:17:52Z
dc.date.available2024-06-13T20:17:52Z
dc.date.issued2023
dc.departmentFakülteler, Mühendislik Fakültesi, Makine Mühendisliği Bölümü
dc.departmentFakülteler, Mühendislik Fakültesi, Metalurji ve Malzeme Mühendisliği Bölümü
dc.description75th Annual Assembly and International Conference of the International-Institute-of-Welding (IIW) -- 16-22 July, 2022 -- Tokyo, Japan
dc.description.abstractWire arc additive manufacturing (WAAM) has recently gained great attention in producing metallic parts due to significant cost savings, high deposition, and its convenience. However, there is still limited knowledge concerning testing for mechanical properties of the WAAM-produced steel parts using different welding wires. This paper presents the results of the extensive experimental study aimed at assessing the mechanical properties of the WAAM-produced multi-pass thick-walled steel parts using two different ER70S-6 and one ER110S-G welding wires. This study focused on revealing the role of the microstructure on the fracture toughness values, which were obtained from the specimens extracted in two directions, namely, transversal direction (T) and longitudinal direction (L) according to the deposition direction. Before extraction of the toughness specimens, the computed radiography (CR) tests were performed to detect if any welding defects occurred during the layer deposition. Next, the microstructural features of the thick-walled WAAM parts were characterized by stereo microscopy (SM), optical microscopy (OM), and scanning electron microscopy (SEM). Finally, the mechanical properties of the part were evaluated by Charpy V-notch (CVN) impact toughness, tensile, and hardness tests. The results exhibit an anisotropic material behavior in as-built conditions for each filler metal. Therefore, careful consideration of notch orientations and their effects on mechanical properties is important in assessing the fitness-for-service performance of the WAAM-produced low-alloyed steel parts.
dc.description.sponsorshipInternational Institute of Welding
dc.identifier.doi10.1007/s40194-022-01424-z
dc.identifier.endpage1019
dc.identifier.issn0043-2288
dc.identifier.issn1878-6669
dc.identifier.issue4
dc.identifier.scopus2-s2.0-85143282239
dc.identifier.scopusqualityQ2
dc.identifier.startpage1009
dc.identifier.urihttps://doi.org/10.1007/s40194-022-01424-z
dc.identifier.urihttps://hdl.handle.net/11501/1128
dc.identifier.volume67
dc.identifier.wosWOS:000899760500001
dc.identifier.wosqualityQ2
dc.indekslendigikaynakWeb of Science
dc.indekslendigikaynakScopus
dc.institutionauthorDağyıkan, Kadir
dc.institutionauthorGürol, Uğur
dc.institutionauthorKoçak, Mustafa
dc.institutionauthorid0000-0002-3205-7226
dc.institutionauthorid0000-0001-9193-7277
dc.language.isoen
dc.publisherSpringer Heidelberg
dc.relation.ispartofWelding in the World
dc.relation.publicationcategoryKonferans Öğesi - Uluslararası - Kurum Öğretim Elemanı
dc.rightsinfo:eu-repo/semantics/closedAccess
dc.subjectDirect Energy Deposition
dc.subjectWire Arc Additive Manufacturing
dc.subjectWelding Wire
dc.subjectLow-Alloyed Steels
dc.subjectFracture Toughness
dc.titleCharacterization and fracture toughness evaluation of the thick-walled wire arc additively manufactured low alloy steels
dc.typeArticle

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