A comparative study on drillability of Inconel 625 alloy fabricated by wire arc additive manufacturing

dc.authoridGürol, Uğur/0000-0002-3205-7226
dc.authoridCeritbinmez, Ferhat/0000-0002-5615-3124
dc.authoridgunen, ali/0000-0002-4101-9520
dc.authorwosidGürol, Uğur/AAN-1097-2021
dc.authorwosidCeritbinmez, Ferhat/HTL-6565-2023
dc.contributor.authorCeritbinmez, Ferhat
dc.contributor.authorGünen, Ali
dc.contributor.authorGürol, Ugur
dc.contributor.authorCam, Gurel
dc.date.accessioned2024-06-13T20:18:02Z
dc.date.available2024-06-13T20:18:02Z
dc.date.issued2023
dc.departmentİstanbul Gedik Üniversitesien_US
dc.description.abstractIn recent years, the cost-effective wire arc additive manufacturing (WAAM) method is increasingly replacing traditional production methods for Ni-based superalloys. However, the effect of high heat input and elemental segregation in the WAAM method on machinability has not yet been adequately investigated. For this purpose, drilling of wrought and WAAM Inconel 625 samples with thermal (i.e., die-sinking micro-EDM and micro-EDM) and mechanical drilling techniques (i.e., orbital and conventional drilling) was investigated in this study. It was observed that thermal drilling methods formed a white layer with a thickness of 20-25 mu m and 35-50 mu m in the cross-section of wrought and WAAM specimens, respectively, while no white layer was formed in the mechanical methods. The average surface roughness of the inside hole, Ra, obtained in the conventional drilling process has improved by 46.15 %, 94.62 %, and 92.82 %, compared to the orbital, die-sinking, and micro-EDM methods, respectively. Because the drill cutting form and helix angle used in this method facilitated chip evacuation. The best surface roughness was obtained respectively by conventional (0.27-029), orbital (0.51-0.53), die-sinking (4.54-5.88), and micro-EDM drilling (3.54-4.25) methods. In addition, a larger kerf angle is obtained in the WAAM sample compared to the wrought one due to higher residual stress and higher dislocation density in the WAAM alloy. On the other hand, the higher hardness value of WAAM samples provided better surface quality in mechanical drilling methods than wrought material. An increase in surface hardness values up to 25 mu m from the surface was detected due to the recast layer formed in thermal drilling methods and the strain hardening occurring on the surface in mechanical drilling methods.en_US
dc.identifier.doi10.1016/j.jmapro.2023.01.072
dc.identifier.endpage169en_US
dc.identifier.issn1526-6125
dc.identifier.issn2212-4616
dc.identifier.scopus2-s2.0-85147325019en_US
dc.identifier.scopusqualityQ1en_US
dc.identifier.startpage150en_US
dc.identifier.urihttps://doi.org/10.1016/j.jmapro.2023.01.072
dc.identifier.urihttps://hdl.handle.net/11501/1180
dc.identifier.volume89en_US
dc.identifier.wosWOS:000934276200001en_US
dc.identifier.wosqualityN/Aen_US
dc.indekslendigikaynakWeb of Scienceen_US
dc.indekslendigikaynakScopusen_US
dc.language.isoenen_US
dc.publisherElsevier Sci Ltden_US
dc.relation.ispartofJournal of Manufacturing Processesen_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/closedAccessen_US
dc.subjectAdditive Manufacturingen_US
dc.subjectNi-Based Superalloyen_US
dc.subjectDie-Sinking Micro-Edmen_US
dc.subjectMicro-Edm Drillingen_US
dc.subjectOrbital Drillingen_US
dc.subjectSurface Integrityen_US
dc.subjectKerfen_US
dc.subjectOf-The-Arten_US
dc.subjectTool Wearen_US
dc.subjectMechanical-Propertiesen_US
dc.subjectSurface Integrityen_US
dc.subjectAbrasive Wearen_US
dc.subjectParticle-Sizeen_US
dc.subjectHybrid Edmen_US
dc.subjectMicro-Edmen_US
dc.subjectNickelen_US
dc.subjectMicrostructureen_US
dc.titleA comparative study on drillability of Inconel 625 alloy fabricated by wire arc additive manufacturingen_US
dc.typeArticleen_US

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