Fabrication and characterization of a new high-strength alloy via WAAM using GMAW+cold wire feeding

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dc.authoridhttps://orcid.org/0000-0002-0045-3777
dc.contributor.authorAyan, Yusuf
dc.date.accessioned2024-12-27T12:18:44Z
dc.date.available2024-12-27T12:18:44Z
dc.date.issued2024-12-01
dc.departmentFakülteler, Teknoloji Fakültesi, Mekatronik Mühendisliği Bölümü
dc.description.abstractThe demand for high-strength steels has continued to increase in various fields of industry due to the advancement in technology. The wire arc additive manufacturing (WAAM) enables the fabrication of high-strength structures from different materials by controlling the raw wire in layers. This study focuses on the fabrication of high-strength steel by WAAM using the gas metal arc welding + cold wire feeding (GMAW + CWF) technique. A new alloy was formed by simultaneously adding 316LSi stainless steel from the CWF to the low alloyed ER70S-6 steel from the GMAW torch. In this way, three different new alloyed structures were produced with varied 316LSi ratios ranging from 10 %, 20 % and 25 % respectively. Besides, their metallurgical and mechanical properties were compared with each other and with single material WAAMed structures. In the macrostructure examinations, no defects due to the mixture of both materials were found and both materials melted properly to create the new alloy. Due to the alloying elements transferred from 316LSi, the microstructure of the new material parts were completely changed compared to the single material WAAMed components and bainite and martensite phases were found in the new alloys. The hardness increased significantly compared to the single-material WAAMed structures and increased up to 139 % and 84 % compared to the single-material WAAMed ER70S-6 and 316LSi, respectively. The tensile strength showed a great improvement and reached almost 1200 MPa, increased by 142 % compared to the single-material WAAMed structure. The fabricated new alloys have the potential to be a candidate material for industries that use high-strength steel.
dc.identifier.doi10.1016/j.matchemphys.2024.130038
dc.identifier.issn0254-0584
dc.identifier.scopusqualityQ1
dc.identifier.urihttps://doi.org/10.1016/j.matchemphys.2024.130038
dc.identifier.urihttps://hdl.handle.net/20.500.14619/14928
dc.identifier.volume328
dc.identifier.wosWOS:001336231600001
dc.identifier.wosqualityQ2
dc.indekslendigikaynakScopus
dc.indekslendigikaynakWeb of Science
dc.language.isoen
dc.publisherElsevier
dc.relation.ispartofMaterials Chemistry and Physics
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanı
dc.rightsinfo:eu-repo/semantics/closedAccess
dc.sourceFabrication and characterization of a new high-strength alloy via WAAM using GMAW+cold wire feeding
dc.subjectAdditive manufacturing
dc.subjectCold wire
dc.subjectHigh strength
dc.subjectNew alloy
dc.subjectTensile strength
dc.titleFabrication and characterization of a new high-strength alloy via WAAM using GMAW+cold wire feeding
dc.typeArticle

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