Process optimisation of HMDSO polymerisation in PVD vacuum medium by numerical analysis for automotive industry

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dc.authorid0000-0001-9204-637Xen_US
dc.contributor.authorSozer, Ibrahim Emrah
dc.contributor.authorGeçim, Serkan
dc.contributor.authorKidik, Gokmen
dc.contributor.authorCakir, Mustafa Cemal
dc.date.accessioned2021-03-20T20:09:14Z
dc.date.available2021-03-20T20:09:14Z
dc.date.issued2021
dc.departmentBTÜ, Mühendislik ve Doğa Bilimleri Fakültesi, Kimya Mühendisliği Bölümüen_US
dc.description.abstractA protective film layer is formed over aluminum coating with Physical Vapor Deposition (PVD) processes to ensure the resistance to environmental factors of the sub-components that include headlight reflective surfaces. Increasing endurance of the sub-components to environmantol factors is demanded with the development of automotive quality demands. In this study, Hexamethyldisiloxane (HMDSO) monomer releasing system that is used to form a protective film layer in PVD processes, has been optimized for releasing homogenously through the pipeline to the vacuum chamber by using finite volumes method. In addition, for uniform distribution of the HMDSO monomer release before polymerization into the vacuum medium, the substrate's jig revolution mechanics were analyzed by Computational Fluid Dynamics (CFD) simulations and the results were verified by experimental applications. The Sodium Hydroxide (NaOH) resistance of parts in various regions of the vacuum chamber was between 350-550 seconds before the study. However, it has been carried to over 1000 seconds for all regions after the optimisation process. Thus, ultimate life of the part and parts' resistance to environmental factors are increased. Thanks to this study, the desired quality requirement for the sub-components that are coated in the vacuum chamber with a volume of 2,84 m(3) was provided for all parts in different regions within the chamber. There is no need for new single planet machines with 1,13 m(3) volume vacuum chamber and production output that was obtained with the bigger chamber machine is doubled. No similar works have been found that are carried out by suppliers or in the literature.en_US
dc.identifier.doi10.17341/gazimmfd.656258en_US
dc.identifier.endpage132en_US
dc.identifier.issn1300-1884
dc.identifier.issn1304-4915
dc.identifier.issue1en_US
dc.identifier.scopusqualityQ2en_US
dc.identifier.startpage119en_US
dc.identifier.urihttp://doi.org/10.17341/gazimmfd.656258
dc.identifier.urihttps://hdl.handle.net/20.500.12885/316
dc.identifier.volume36en_US
dc.identifier.wosWOS:000595657400009en_US
dc.identifier.wosqualityQ4en_US
dc.indekslendigikaynakWeb of Scienceen_US
dc.indekslendigikaynakScopusen_US
dc.institutionauthorGeçim, Serkan
dc.language.isotren_US
dc.publisherGazi Univ, Fac Engineering Architectureen_US
dc.relation.ispartofJournal Of The Faculty Of Engineering And Architecture Of Gazi Universityen_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/openAccessen_US
dc.subjectPVDen_US
dc.subjectphysical vapor depositionen_US
dc.subjectHMDSO polymerizationen_US
dc.subjectthin film layeren_US
dc.subjectmetallizationen_US
dc.titleProcess optimisation of HMDSO polymerisation in PVD vacuum medium by numerical analysis for automotive industryen_US
dc.typeArticleen_US

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