Fatigue crack growth rate of AISI 4140 low alloy steel treated via shot peening and plasma nitriding

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dc.authoridOZTURK, Mehmet/0000-0003-0995-4153
dc.authoridUNAL, Okan/0000-0001-6392-0398
dc.contributor.authorOzturk, Mehmet
dc.contributor.authorHusem, Fazil
dc.contributor.authorKarademir, Ibrahim
dc.contributor.authorMaleki, Erfan
dc.contributor.authorAmanov, Auezhan
dc.contributor.authorUnal, Okan
dc.date.accessioned2024-09-29T16:00:56Z
dc.date.available2024-09-29T16:00:56Z
dc.date.issued2023
dc.departmentKarabük Üniversitesien_US
dc.description.abstractIn this study, the effects of conventional shot peening (CSP), severe shot peening (SSP), and plasma nitriding (PN) on the fatigue crack growth (FCGR) of AISI 4140 low alloy steel were investigated. FCGR tests were performed on axial fatigue equipment, associated with slow-motion camera and COD gauge. As a result of the experiments, an improvement of 8% in CSP, 15% in SSP, and 5,5% in the PN operations were observed on the number of cycles of all specimens at 30 mm crack length. Particularly for SSP treatments, hardness, compressive stresses, and the creation of nano-crystallization on the surface provide the most effective improvement in FCGR behavior. Additionally, for PN, formation of nitrogen diffusion and effective hardness improvement showed positive results in FCGR behavior. CSP and SSP (particularly SSP) behaved dominant on the improvement of FCGR performance compared to PN treatment. The formation of two-phase brittle structural white layer on the surface prevented the effective FCGR improvement.en_US
dc.description.sponsorshipKarabuk University Scientific Research Projects Coordinatorship, Turkey; Scientific and Technological Research Council of Turkey-TUBITAK; [BAP FYL-2019-2051]; [215M134]en_US
dc.description.sponsorshipAcknowledgment This work was supported by Karabuk University Scientific Research Projects Coordinatorship, Turkey (Project no: BAP FYL-2019-2051) and The Scientific and Technological Research Council of Turkey-TUBITAK through the Project no. 215M134.en_US
dc.identifier.doi10.1016/j.vacuum.2022.111552
dc.identifier.issn0042-207X
dc.identifier.issn1879-2715
dc.identifier.scopus2-s2.0-85140078062en_US
dc.identifier.scopusqualityQ1en_US
dc.identifier.urihttps://doi.org/10.1016/j.vacuum.2022.111552
dc.identifier.urihttps://hdl.handle.net/20.500.14619/5425
dc.identifier.volume207en_US
dc.identifier.wosWOS:000877513000003en_US
dc.identifier.wosqualityQ2en_US
dc.indekslendigikaynakWeb of Scienceen_US
dc.indekslendigikaynakScopusen_US
dc.language.isoenen_US
dc.publisherPergamon-Elsevier Science Ltden_US
dc.relation.ispartofVacuumen_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/closedAccessen_US
dc.subjectFatigueen_US
dc.subjectCrack growth rateen_US
dc.subjectSevere shot peeningen_US
dc.subjectPlasma nitridingen_US
dc.subjectAISI 4140en_US
dc.titleFatigue crack growth rate of AISI 4140 low alloy steel treated via shot peening and plasma nitridingen_US
dc.typeArticleen_US

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