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Title: Investigating the effects of PA66 electrospun nanofibers layered within an adhesive composite joint fabricated under autoclave curing
Authors: Esenoğlu, Gözde
Tanoğlu, Metin
Barışık, Murat
İplikçi, Hande
Yeke, Melisa
Nuhoğlu, Kaan
Türkdoğan, Ceren
Martin, Seçkin
Aktaş, Engin
Dehneliler, Serkan
Gürbüz, Ahmet Ayberk
İriş, Mehmet Erdem
Keywords: Composite materials
PA66 nanofibers
Autoclave curing
Issue Date: 2023
Publisher: American Chemical Society
Abstract: Enhancing the performance of adhesively joined composite components is crucial for various industrial applications. In this study, polyamide 66 (PA66) nanofibers produced by electrospinning were coated on unidirectional carbon/epoxy prepregs to increase the bond strength of the composites. Carbon/epoxy prepregs with/without PA66 nanofiber coating on the bonding region were fabricated using the autoclave, which is often used in the aerospace industry. The single lap shear Charpy impact energy and Mode-I fracture toughness tests were employed to examine the effects of PA66 nanofibers on the mechanical properties of the joint region. Scanning electron microscopy (SEM) was used to investigate the nanofiber morphology and fracture modes. The thermal characteristics of Polyamide 66 nanofibers were explored by using differential scanning calorimetry (DSC). We observed that the electrospun PA66 nanofiber coating on the prepreg surfaces substantially improves the joint strength. Results revealed that the single lap shear and Charpy impact strength values of the composite joint are increased by about 79 and 24%, respectively, by coating PA66 nanofibers onto the joining region. The results also showed that by coating PA66 nanofibers, the Mode-I fracture toughness value was improved by about 107% while the glass transition temperature remained constant.
ISSN: 2470-1343
Appears in Collections:Civil Engineering / İnşaat Mühendisliği
Mechanical Engineering / Makina Mühendisliği
PubMed İndeksli Yayınlar Koleksiyonu / PubMed Indexed Publications Collection
Scopus İndeksli Yayınlar Koleksiyonu / Scopus Indexed Publications Collection
WoS İndeksli Yayınlar Koleksiyonu / WoS Indexed Publications Collection

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