Microstructural and Mechanical Characterization of Dissimilar Metal Welding of Inconel 625 and AISI 316L

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dc.authoridDokme, Fatih/0000-0003-2552-2190
dc.contributor.authorDokme, Fatih
dc.contributor.authorKulekci, Mustafa Kemal
dc.contributor.authorEsme, Ugur
dc.date.accessioned2025-03-17T12:25:14Z
dc.date.available2025-03-17T12:25:14Z
dc.date.issued2018
dc.departmentTarsus Üniversitesi
dc.description.abstractThis study investigated the microstructure of the dissimilar metal welding of Inconel 625 and AISI 316L using Continuous Current Gas Tungsten Arc Welding (CCGTAW) and Pulsed Current Gas Tungsten Arc Welding (PCGTAW) processes with ERNiCr-3, TIG 316L and twisted (ERNiCr-3 and TIG 316L) fillers. Microstructure examinations were carried out using an optical microscope and Scanning Electron Microscopy (SEM)/Energy Dispersive X-Ray (EDAX). The results of the study showed the existence of a partially melted zone (PMZ) on the AISI 316L side. Weld zone (WZ) analysis showed the existence of a multi-directional grain growth on the 316L side in all specimens, although less growth was found on the Inconel 625 side. Grain growth almost disappeared using PCGTAW with twisted fillers. SEM/EDAX investigations indicated that secondary deleterious secondary phases were tiny and white in five experiments. However, a meager amount of precipitates occurred in PCGTA welding with twisted fillers. Moreover, these were particularly innocent precipitates, represented by black dots in images, whereas other tiny white secondary phases are known to be brittle. As a result, PCGTA welding with twisted fillers exhibited the best metallurgical properties.
dc.description.sponsorshipSisecam Chemicals Group Soda Sanayii A. S. Kromsan Chromium Chemicals Plant
dc.description.sponsorshipThis work was supported by Sisecam Chemicals Group Soda Sanayii A. S. Kromsan Chromium Chemicals Plant.
dc.identifier.doi10.3390/met8100797
dc.identifier.issn2075-4701
dc.identifier.issue10
dc.identifier.scopus2-s2.0-85055026692
dc.identifier.scopusqualityQ1
dc.identifier.urihttps://doi.org/10.3390/met8100797
dc.identifier.urihttps://hdl.handle.net/20.500.13099/1573
dc.identifier.volume8
dc.identifier.wosWOS:000448658700061
dc.identifier.wosqualityQ2
dc.indekslendigikaynakWeb of Science
dc.indekslendigikaynakScopus
dc.language.isoen
dc.publisherMdpi
dc.relation.ispartofMetals
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanı
dc.rightsinfo:eu-repo/semantics/openAccess
dc.snmzKA_WOS_20250316
dc.subjectdissimilar metal welding
dc.subjectInconel 625
dc.subjectAISI 316L
dc.subjectmicrostructure
dc.subjectfiller metals
dc.titleMicrostructural and Mechanical Characterization of Dissimilar Metal Welding of Inconel 625 and AISI 316L
dc.typeArticle

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