Deformation behavior and formability of friction stir processed DP600 steel

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dc.authorid0000-0002-9378-3870
dc.authorid0000-0002-4963-5096
dc.contributor.authorYilmaz, Imren Ozturk
dc.contributor.authorYilmaz, Mumin
dc.contributor.authorSaray, Onur
dc.date.accessioned2026-02-12T21:05:04Z
dc.date.available2026-02-12T21:05:04Z
dc.date.issued2022
dc.departmentBursa Teknik Üniversitesi
dc.description.abstractThe effect of friction stir processing (FSP) on the formability of DP600 steel was experimentally investigated and the basic relationships between biaxial deformation behavior and FSP-induced evolutions in microstructural and mechanical properties were established. FSP formed a microstructure that consists of lath martensite with increased volume fraction compared to as-received (AR) microstructure that mainly consisted of well-distributed fine martensite particles in a ferrite matrix. Consequently, AR yield strength (301 MPa) and ultimate tensile strength (621 MPa) increased to about 811 and 1054 MPa, respectively. This strength enhancement achieved accompanied by adequate uniform elongation and elongation to failure values of 6.3 and 13.0%, respectively. Under biaxial loading conditions, good strain hardenability of the AR DP600 steel brought about a large membrane stretching regime leading to high punch force for biaxial flow. After FSP, both punch displacements within the membrane stretching regime decreased due to the increased volume fraction of lath martensite leading to higher cracking tendency. In result, cup depth and peak punch force of FSPed DP600 decreased from 8.7 mm and 33.2 kN to 7.1 mm and 28.1 kN, respectively. The obtained results simply indicate that FSP can be employed to enhance the strength of dual-phase steels with a reasonable level of formability.
dc.description.sponsorshipScientific and Technical Research Council of Turkey TUBITAK; [115M649]
dc.description.sponsorshipThis study was funded by Scientific and Technical Research Council of Turkey TUBITAK under grant number 115M649.
dc.identifier.doi10.1515/chem-2022-0255
dc.identifier.endpage1475
dc.identifier.issn2391-5420
dc.identifier.issue1
dc.identifier.scopus2-s2.0-85143849142
dc.identifier.scopusqualityQ2
dc.identifier.startpage1467
dc.identifier.urihttps://doi.org/10.1515/chem-2022-0255
dc.identifier.urihttps://hdl.handle.net/20.500.12885/6767
dc.identifier.volume20
dc.identifier.wosWOS:000894628500001
dc.identifier.wosqualityQ3
dc.indekslendigikaynakWeb of Science
dc.indekslendigikaynakScopus
dc.language.isoen
dc.publisherDe Gruyter Poland Sp Z O O
dc.relation.ispartofOpen Chemistry
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanı
dc.rightsinfo:eu-repo/semantics/openAccess
dc.snmzKA_WoS_20260212
dc.subjectcharacterization
dc.subjectmaterial processing
dc.subjectmechanical properties
dc.subjectmetals
dc.titleDeformation behavior and formability of friction stir processed DP600 steel
dc.typeArticle

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