Please use this identifier to cite or link to this item: https://hdl.handle.net/20.500.13091/1451
Title: An experimental evaluation on the dynamic response of water aged composite/aluminium adhesive joints: Influence of electrospun nanofibers interleaving
Authors: Ulus, Hasan
Kaybal, Halil Burak
Berber, Nihat Erdem
Tatar, Ahmet Caner
Ekrem, Mürsel
Ataberk, Necati
Avcı, Ahmet
Keywords: Epoxy
Graphene Nanoplatelet (Gnp)
Nylon 6
6 (N6
6) Nanofiber
Single Lap Joints (Slj)
Low-Velocity Impact (Lvi)
Water Aging
Low-Velocity Impact
Mechanical-Properties
Fracture-Toughness
Damage Formation
Composite
Failure
Nanocomposite
Durability
Strength
Pipes
Publisher: ELSEVIER SCI LTD
Abstract: The impact response of adhesives is a critical design parameter considering their lifetime. Additionally, environmental effects such as water or moisture may cause to degrade of the polymer-based adhesive and shorten its service life. This study aimed to investigate the impact response of water-aged aluminium-composite adhesively bonded single lap joints (SLJs). Nylon 6.6 nanofibers modified with graphene nanoplatelets (GNPs) were introduced in the adhesion areas to increase adhesive performance. The water aging resulted in decreased impact resistance in all cases. However, nanofiber-modified SLJs exhibited comparatively higher impact performance under both non-aged and water-aged conditions. Further, the GNP reinforced nylon 6.6 nanofibers increased the maximum impact load by 15 and 19% compared to neat nanofibers before and after aging, respectively. The fracture surfaces were examined via scanning electron microscopy (SEM) to understand damage and toughness mechanisms. A schematic model has been developed to explain the mechanisms leading to improved bonding performance by applying N6.6 nanofiber reinforcement to the adhesion zone.
URI: https://doi.org/10.1016/j.compstruct.2021.114852
https://hdl.handle.net/20.500.13091/1451
ISSN: 0263-8223
1879-1085
Appears in Collections:Mühendislik ve Doğa Bilimleri Fakültesi Koleksiyonu
Scopus İndeksli Yayınlar Koleksiyonu / Scopus Indexed Publications Collections
WoS İndeksli Yayınlar Koleksiyonu / WoS Indexed Publications Collections

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