Publication:
Investigation Mechanical and Microstructural Behavior of Operated and Unoperated Turbine Rotor Discs

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dc.contributor.authorUZUN KART, ELİF
dc.contributor.authorsUZUN KART E., ÖZGÜL C.
dc.date.accessioned2023-02-21T12:19:58Z
dc.date.available2023-02-21T12:19:58Z
dc.date.issued2022-02-01
dc.description.abstractIn gas turbine engines, turbine sections are exposed to high temperature and loads during operation and therefore turbine inlet boundary is considered the most challenging for turbomachines. Ni-based super-alloys are used for turbine materials in gas turbine engines because of their superior mechanical characteristics at high temperatures. In this research, two Mar M-247 polycrystalline cast Ni-based turbine rotors, which were operated and non-operated in turbojet engine tests, had the same design and applied the same two-step aging heat treatment, were examined microstructurally and mechanically. As a result of the mechanical analysis, it was observed that the tensile strength (Rm (P): 537Mpa; Rm (G): 590 Mpa) ductility, and hardness (429 HV (P), 440 HV (G)) of the operated turbine rotor increased. In the microstructure analysis, blocky and Chinese script-like carbides and gamma prime eutectic islands were found in both turbine structures. EDS analysis showed that the carbides in the matrix are rich in Hf, Ta, and Ti, and the grain boundary carbides are rich in Cr and W.
dc.identifier.citationUZUN KART E., ÖZGÜL C., "Investigation Mechanical and Microstructural Behavior of Operated and Unoperated Turbine Rotor Discs", Journal of Polytechnic, 2022
dc.identifier.doi10.2339/politeknik.1062820
dc.identifier.issn1302-0900
dc.identifier.urihttp://dx.doi.org/10.2339/politeknik.1062820
dc.identifier.urihttps://hdl.handle.net/11424/286724
dc.language.isoeng
dc.relation.ispartofJournal of Polytechnic
dc.rightsinfo:eu-repo/semantics/openAccess
dc.subjectMühendislik ve Teknoloji
dc.subjectEngineering and Technology
dc.subjectMühendislik, Bilişim ve Teknoloji (ENG)
dc.subjectEngineering, Computing & Technology (ENG)
dc.subjectMar M-247
dc.subjectNi-based super-alloys
dc.subjectgas turbine turbojet engines
dc.subjectSUPERALLOY
dc.subjectEVOLUTION
dc.subjectHARDNESS
dc.subjectNICKEL
dc.titleInvestigation Mechanical and Microstructural Behavior of Operated and Unoperated Turbine Rotor Discs
dc.title.alternativeKullanılmış ve Kullanılmamış Türbin Rotor Disklerinin Mekanik ve Mikroyapısal Davranışlarının İncelenmesi
dc.typearticle
dspace.entity.typePublication
local.avesis.ida01bdcd9-2e03-4d4d-8afa-bd1e05a09793
local.indexed.atWOS
relation.isAuthorOfPublicationf876b985-f6b1-4fab-9211-9c0bc2edf356
relation.isAuthorOfPublication.latestForDiscoveryf876b985-f6b1-4fab-9211-9c0bc2edf356

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