Investigation of mechanical properties of laser welded dual-phase steels at macro and micro levels

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dc.authoridEkrem Öztürk: 0000-0002-0446-4211en_US
dc.authoridHüseyin Arıkan: 0000-0003-1266-4982en_US
dc.contributor.authorÖztürk, Ekrem
dc.contributor.authorArıkan, Hüseyin
dc.date.accessioned2023-02-01T09:06:07Z
dc.date.available2023-02-01T09:06:07Z
dc.date.issued2023en_US
dc.departmentNEÜ, Seydişehir Ahmet Cengiz Mühendislik Fakültesi, Makine Mühendisliğien_US
dc.descriptionWOS:000868919200001en_US
dc.description.abstractThe current automotive industry uses new technology in materials processing and lightweight materials to minimize vehicle weight and fuel consumption. As a result, Tailor-Welded Blanks (TWB) are used in regions where additional strength or stiffness is necessary in body-in-white, thus decreasing weight. In this paper, TWB were produced by joining DP600 with 1.8 mm and DP800 with 0.8 mm and 1.5 mm using CO2 laser welding. The effects of laser power and welding speed on the mechanical properties of TWB were investigated. The flow behaviors of the TWB were obtained from tensile tests. The microstructures of the weld zones of the base ma-terials and TWB were revealed, and the numerical analyzes of the microstructures were performed by micro -mechanical modeling with a 2D representative volume element (RVE). Effective stress and plastic strain distributions in the microstructures and macroscopic flow curves of the base materials and the weld zones were obtained. The uniaxial tensile tests of the samples were modeled, and the flow behaviors of the TWB were ob-tained with micromechanical modeling. The results showed a significant change in stress distribution and strain localization depending on the grain size of constituents and the thickness ratios of the TWB at micro and macro scales, respectively. The numerical flow curves obtained using the RVE method were in good agreement with those of the experimental.en_US
dc.description.sponsorshipScientific Research Projects (BAP) Coordination Unit of Necmettin Erbakan Universityen_US
dc.identifier.citationÖztürk, E., Arıkan, H. (2023). Investigation of mechanical properties of laser welded dual-phase steels at macro and micro levels. Optics and Laser Technology, 157,1-23.en_US
dc.identifier.doi10.1016/j.optlastec.2022.108713en_US
dc.identifier.endpage23en_US
dc.identifier.issn0030-3992en_US
dc.identifier.issn1879-2545en_US
dc.identifier.issue-en_US
dc.identifier.scopusqualityQ1en_US
dc.identifier.startpage1en_US
dc.identifier.urihttp://dx.doi.org/10.1016/j.optlastec.2022.108713
dc.identifier.urihttps://hdl.handle.net/20.500.12452/9134
dc.identifier.volume157en_US
dc.identifier.wosWOS:000868919200001en_US
dc.indekslendigikaynakWeb of Scienceen_US
dc.indekslendigikaynakScopusen_US
dc.language.isoenen_US
dc.publisherElsevieren_US
dc.relation.ispartofOptics and Laser Technologyen_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/embargoedAccessen_US
dc.subjectDual-phase Steelen_US
dc.subjectFinite Elementen_US
dc.subjectLaser Weldingen_US
dc.subjectMicromechanical Modelingen_US
dc.subjectMicrostructureen_US
dc.subjectTailor-welded Blanken_US
dc.titleInvestigation of mechanical properties of laser welded dual-phase steels at macro and micro levelsen_US
dc.typeArticleen_US

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