An experimental investigation on machining-induced surface/subsurface characteristics of nickel based Inc-718 alloy: A novel hybrid approach in milling process

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dc.authoridSarikaya, Murat/0000-0001-6100-0731
dc.authoridkayir, yunus/0000-0001-6793-7103
dc.contributor.authorBilgin, Musa
dc.contributor.authorKarabulut, Sener
dc.contributor.authorKarakoc, Halil
dc.contributor.authorKayir, Yunus
dc.contributor.authorSarikaya, Murat
dc.date.accessioned2025-03-23T19:37:42Z
dc.date.available2025-03-23T19:37:42Z
dc.date.issued2024
dc.departmentSinop Üniversitesi
dc.description.abstractNickel-based superalloy Inc-718 has become an indispensable alloy in critical sectors, especially in the aerospace industry, thanks to its unique characteristics. However, some properties of the alloy (especially low thermal conductivity and hot hardness) cause difficulties in its machinability. For this reason, comprehensive studies to improve the machinability of Inc-718 alloy by considering the microstructural properties are guiding. In this context, the present study uses various methods to increase the machinability efficiency of Inc-718, while also investigating their effect on microstructural properties. Firstly, the effect of the pre-heating process (hot), pureMQL (PMQL), nanofluid-MQL (NMQL), and hybrid methods (hot+PMQL and hot-NMQL) on the surface roughness, cutting forces, tool wear, vibration, and temperature was investigated while milling Inc-718 surfaces. Then the utilization of Electron Backscatter Diffraction (EBSD) facilitated a comprehensive examination of microstructural behavior, with a specific focus on Euler-colored maps and phase distribution maps, providing valuable insights into the material's behavior under distinct milling conditions. As a result, hot+PMQL, hot+SiCNMQL, and hot+Al2O3-NMQL provided an important contribution to the improvement of machinability characteristics. Also, it was seen that in EBSD analysis, a limited area is affected by heat in the hot machining environment. The crystal orientations of the pre-heated and hybrid machined Inc-718 alloy are highly similar to that of the dry-machined alloy. This similarity indicates that the removal of the heated layer from the workpiece during the milling process contributes to the preservation of the microstructure.
dc.identifier.doi10.1016/j.triboint.2023.109120
dc.identifier.issn0301-679X
dc.identifier.issn1879-2464
dc.identifier.scopus2-s2.0-85181672380
dc.identifier.scopusqualityQ1
dc.identifier.urihttps://doi.org/10.1016/j.triboint.2023.109120
dc.identifier.urihttps://hdl.handle.net/11486/5988
dc.identifier.volume191
dc.identifier.wosWOS:001127420700001
dc.identifier.wosqualityQ1
dc.indekslendigikaynakWeb of Science
dc.indekslendigikaynakScopus
dc.language.isoen
dc.publisherElsevier Sci Ltd
dc.relation.ispartofTribology International
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanı
dc.rightsinfo:eu-repo/semantics/closedAccess
dc.snmzKA_WOS_20250323
dc.subjectInconel-718
dc.subjectHeat assisted machining
dc.subjectNanofluids
dc.subjectTool wear
dc.subjectMicrostructural behaviors
dc.subjectEBSD analysis
dc.titleAn experimental investigation on machining-induced surface/subsurface characteristics of nickel based Inc-718 alloy: A novel hybrid approach in milling process
dc.typeArticle

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