Role of process control agent in the production of Al2O3-reinforced titanium matrix composites

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dc.authorid0000-0001-7576-4791
dc.authorid0000-0002-2380-3258
dc.contributor.authorKaykilarli, Cantekin
dc.contributor.authorUzunsoy, Deniz
dc.contributor.authorYeprem, H. Aygul
dc.date.accessioned2026-02-08T15:15:09Z
dc.date.available2026-02-08T15:15:09Z
dc.date.issued2024
dc.departmentBursa Teknik Üniversitesi
dc.description.abstractMetal Matrix Composites (MMCs) have recently been preferred over traditional materials in many engineering applications. Titanium matrix composites (TMCs) are used in the automotive, aerospace and defence industries thanks to their exceptional strength, high fatigue strength, good corrosion resistance and high elastic modulus. Some of the most used reinforcement materials for TMCs are SiC, Zr2O3, Al2O3, graphene, carbon nanotube (CNT) and TiC. In this study, TMCs reinforced Al2O3 were produced via conventional powder metallurgy (PM) and ultrasonic-assisted mixing. An Al2O3 in varying amounts (5 and 10 wt%) was incorporated into the TMCs via mechanical alloying (MA) for 5 h in a high-energy ball mill and using different process control agents (PCA, Stearic acid (SA), Polyvinyl Alcohol (PVA), Ethanol). The mechanically alloyed (MA'ed) powders were compacted by a hydraulic press under uniaxial pressure of 450 MPa and sintered at 1200 degrees C for 2 h in an argon atmosphere. The microstructural, mechanical and tribological properties of Ti-xAl2O3 powders and bulk samples were investigated. The highest hardness and the lowest specific wear rate were found in specimens reinforced with 5 wt% Al2O3, using ethanol as PCA, and produced by ultrasonic-assisted mixing, but the same specimen had the lowest compressive strength.
dc.description.sponsorshipYTU Scientific Research Project (SRP) Coordination Unit [FDK-2021-4590]; YTU SRP Coordination Unit
dc.description.sponsorshipThe authors would like to acknowledge that this paper is submitted in partial fulfilment of the requirements for PhD degree at Yildiz Technical University (YTU) . As project FDK-2021-4590, this study was supported by the YTU Scientific Research Project (SRP) Coordination Unit. We would like to thank the YTU SRP Coordination Unit for their support.
dc.identifier.doi10.1016/j.ceramint.2024.02.130
dc.identifier.endpage16462
dc.identifier.issn0272-8842
dc.identifier.issn1873-3956
dc.identifier.issue9
dc.identifier.scopus2-s2.0-85185583129
dc.identifier.scopusqualityQ1
dc.identifier.startpage16452
dc.identifier.urihttps://doi.org/10.1016/j.ceramint.2024.02.130
dc.identifier.urihttps://hdl.handle.net/20.500.12885/5637
dc.identifier.volume50
dc.identifier.wosWOS:001217849400001
dc.identifier.wosqualityQ1
dc.indekslendigikaynakWeb of Science
dc.indekslendigikaynakScopus
dc.language.isoen
dc.publisherElsevier Sci Ltd
dc.relation.ispartofCeramics International
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanı
dc.rightsinfo:eu-repo/semantics/closedAccess
dc.snmzWOS_KA_20260207
dc.subjectTitanium
dc.subjectTitanium matrix composites
dc.subjectPowder metallurgy
dc.subjectProcess control agent
dc.titleRole of process control agent in the production of Al2O3-reinforced titanium matrix composites
dc.typeArticle

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