Tailoring adherend surfaces for enhanced bonding in CF/PEKK composites: Comparative analysis of atmospheric plasma activation and conventional treatments

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dc.authorid0000-0003-1626-5858
dc.authorid0000-0002-0726-2420
dc.authorid0000-0001-8591-8993
dc.authorid0000-0003-0461-6905
dc.authorid0000-0002-3204-6746
dc.contributor.authorYildirim, Ceren
dc.contributor.authorUlus, Hasan
dc.contributor.authorBeylergil, Bertan
dc.contributor.authorAl-Nadhari, Abdulrahman
dc.contributor.authorTopal, Serra
dc.contributor.authorYildiz, Mehmet
dc.date.accessioned2026-01-24T12:31:07Z
dc.date.available2026-01-24T12:31:07Z
dc.date.issued2024
dc.departmentAlanya Alaaddin Keykubat Üniversitesi
dc.description.abstractHere, we propose the utilization of atmospheric plasma activation (APA), which outperforms peel-ply (PP) treatment and mechanical abrasion (MA) in achieving high-performance adhesively bonded carbon fiber/polyetherketoneketone (CF/PEKK) composites. This study covers several key aspects, including the chemical and morphological characterization of treated surfaces and mechanical performance assessments of single lap-joints (SLJs) under tensile and flexural loading conditions. In addition, in-situ acoustic emission (AE) monitoring is employed during tensile tests to determine dominant damage types and failure modes in the SLJs. Surface analysis shows that MA increases roughness, PP treatment decreases wettability, while APA enhances wettability by modifying the surface chemistry. Tensile and flexural tests reveal that APA-treated joints surpassed nontreated (NT) ones, with up to 5- and 7-times higher load-carrying performance, respectively, while fracture analysis suggests a shift from adhesive to cohesive failure. AE results show that increased AE events related to cohesive failure align with improved interface interactions.
dc.description.sponsorshipScientific and Technological Research Council of Turkey (TUBITAK) [218M709]
dc.description.sponsorshipThe authors gratefully acknowledge financial support from the Scientific and Technological Research Council of Turkey (TUB.ITAK) with project number 218M709. The authors would like to thank Hatice S. Sas (Sabanci University) for her assistance in CF/PEKK composite manufacturing.
dc.identifier.doi10.1016/j.compositesa.2024.108101
dc.identifier.issn1359-835X
dc.identifier.issn1878-5840
dc.identifier.scopus2-s2.0-85186682162
dc.identifier.scopusqualityQ1
dc.identifier.urihttps://doi.org/10.1016/j.compositesa.2024.108101
dc.identifier.urihttps://hdl.handle.net/20.500.12868/5664
dc.identifier.volume180
dc.identifier.wosWOS:001205764400001
dc.identifier.wosqualityQ1
dc.indekslendigikaynakWeb of Science
dc.indekslendigikaynakScopus
dc.language.isoen
dc.publisherElsevier Sci Ltd
dc.relation.ispartofComposites Part A-Applied Science and Manufacturing
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanı
dc.rightsinfo:eu-repo/semantics/closedAccess
dc.snmzKA_WoS_20260121
dc.subjectPolymer -matrix composites (PMCs)
dc.subjectAdhesion
dc.subjectAcoustic emission
dc.subjectJoints/joining
dc.titleTailoring adherend surfaces for enhanced bonding in CF/PEKK composites: Comparative analysis of atmospheric plasma activation and conventional treatments
dc.typeArticle

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