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Title: Additive manufacturing of Kevlar reinforced epoxy composites
Authors: Nawafleh, Nashat
Chabot, Jordan
Aljaghtam, Mutabe
Öztan, Çağrı
Dauer, Edward
Görgülüarslan, Recep Muhammet
Demir, Teyfik
Çelik, Emrah
Keywords: K composites
thermoset 3D printing
Issue Date: Jan-2020
Publisher: American society of mechanical engineers (ASME)
Source: Nawafleh, N., Chabot, J., Aljaghtham, M., Oztan, C., Dauer, E., Gorguluarslan, R. M., ... & Celik, E. (2019, November). Additive manufacturing of Kevlar reinforced epoxy composites. In ASME International Mechanical Engineering Congress and Exposition (Vol. 59377, p. V02AT02A067). American Society of Mechanical Engineers.
Abstract: Additive manufacturing is defined as layer-by-layer deposition of materials on a surface to fabricate 3D objects with reduction in waste, unlike subtractive manufacturing processes. Short, flexible Kevlar fibers have been used in numerous studies to alter mechanical performance of structural components but never investigated within printed thermoset composites. This study investigates the effects of adding short Kevlar fibers on mechanical performance of epoxy thermoset composites and demonstrates that the addition of Kevlar by 5% in weight significantly improves flexure strength, flexural modulus, and failure strain by approximately 49%, 19%, and 38%, respectively. Hierarchical microstructures were imaged using scanning electron microscopy to observe the artefacts such as porosity, infill and material interdiffusion, which are inherent drawbacks of the 3D printing process.
ISBN: 978-079185937-7
Appears in Collections:Makine Mühendisliği Bölümü / Department of Mechanical Engineering
Scopus İndeksli Yayınlar Koleksiyonu / Scopus Indexed Publications Collection

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