Effects of Adhesive Type and Surface Preparation on the Mechanical Strength of Thermoplastic and CFRP Structures

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dc.contributor.authorÖztürk, Emin
dc.contributor.authorKılınçel, Mert
dc.contributor.authorKabakçı, Gülden
dc.contributor.authorKömürcü, Ahmet
dc.date.accessioned2025-10-11T20:37:57Z
dc.date.available2025-10-11T20:37:57Z
dc.date.issued2025
dc.departmentDüzce Üniversitesien_US
dc.description.abstractComposite materials are widely used in industries for their lightweight, durability, and flexibility. Carbon fiber-reinforced composites are particularly demanded and used in aerospace, automotive, and space industries due to their high strength and low weight. They are also critical in manufacturing high-pressure hydrogen storage tanks, where the interfacial strength between thermoplastic and thermoset materials is crucial. This study investigates the effects of adhesive type and surface preparation on the mechanical strength of carbon fiber-reinforced composites bonded with high-density polyethylene (HDPE). Tensile tests were performed according to ASTM D5868, and scanning electron microscope (SEM) analyses were conducted to evaluate damage mechanisms. The results show that, DP 190-120 demonstrated the highest performance, providing a 108% higher shear stress (25 MPa) compared to other adhesives. In epoxy-bonded joints, the maximum shear stress (12 MPa) was observed in sample E-240. This value corresponds to only 48% of the performance of DP 190-240. Among the joints made with DP 460, DP 460- 180 showed the best performance. However, with only 2.1 MPa shear stress, it reached just 8.4% of the performance of DP 190-180. These findings contribute to enhancing the safety of Type-IV hydrogen tanks and developing more reliable bonding methods for industrial applications.en_US
dc.identifier.doi10.29109/gujsc.1625639
dc.identifier.endpage552en_US
dc.identifier.issn2147-9526
dc.identifier.issue2en_US
dc.identifier.startpage538en_US
dc.identifier.trdizinid1324209en_US
dc.identifier.urihttps://doi.org/10.29109/gujsc.1625639
dc.identifier.urihttps://search.trdizin.gov.tr/tr/yayin/detay/1324209
dc.identifier.urihttps://hdl.handle.net/20.500.12684/20794
dc.identifier.volume13en_US
dc.indekslendigikaynakTR-Dizinen_US
dc.language.isoenen_US
dc.relation.ispartofGazi Üniversitesi Fen Bilimleri Dergisi Part C: Tasarım ve Teknolojien_US
dc.relation.publicationcategoryMakale - Ulusal Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/openAccessen_US
dc.snmzKA_TR_20250911
dc.subjectMechanical strengthen_US
dc.subjectCompositeen_US
dc.subjectthermoseten_US
dc.subjectadhesive typeen_US
dc.subjectthermoplasticen_US
dc.subjectsurface preparationen_US
dc.titleEffects of Adhesive Type and Surface Preparation on the Mechanical Strength of Thermoplastic and CFRP Structuresen_US
dc.typeArticleen_US

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