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Effect of composite to aluminum single lap joints reinforced with graphene doped nylon 6.6 nanofibers
Proceedings of the Institution of Mechanical Engineers, Part E: Journal of Process Mechanical Engineering ( IF 2.4 ) Pub Date : 2021-03-05 , DOI: 10.1177/0954408921998467
Muhammet Ali Şenyurt 1 , Mürsel Ekrem 2 , Hayrettin Düzcükoğlu 1 , Ahmet Avcı 2
Affiliation  

In this study was investigated the effect of nylon 6.6 (N6.6) nanofiber and nylon 6.6 by weight of 1%, 3% and 5% Graphene Nanoplates (GNPs) doped N6.6 nanofiber reinforced epoxy adhesives on single lap joint of AISI AA2024-T3 Aluminum Alloy (AA 2024)- Carbon Fiber Reinforced Composite (CFRC) plates. First of all, N6.6 nanofibers with/without GNPs in different proportions were produced by the electrospinning method with the help of a rotating and moving drum. Epoxy resin as the adhesive, nanofibers as the second interface to increase the strength of the epoxy and AA 2024 - CFRC were used as the bonded material and the plates cut in 101.6 × 25.4 mm according to ASTM D 1002-10 and ASTM D 5868-01, respectively. In this research was focused on the application of single lap joints by reinforcing with N6.6 nanofibres to decrease the brittleness and increase the toughness of the epoxy resin. When compared with epoxy resin, the shear strength of epoxy adhesive reinforced with N6.6 nanofibers with 3% GNPs by weight increased by 31.20%. Thermal analysis of epoxy resin and hybrid adhesives was examined by Differential Scanning Calorimeter (DSC). In addition, the physical properties of N6.6 nanofibers doped/undoped GNPs in different proportions by weight were observed with scanning electron microscopy (SEM) by damage analysis of fracture surfaces.



中文翻译:

复合材料对石墨烯掺杂尼龙6.6纳米纤维增强铝单搭接接头的影响

在这项研究中,研究了尼龙6.6(N6.6)纳米纤维和重量分别为1%,3%和5%的石墨烯纳米板(GNP)掺杂的N6.6纳米纤维增强环氧胶粘剂对AISI AA2024单搭接接头的影响-T3铝合金(AA 2024)-碳纤维增强复合材料(CFRC)板。首先,借助电纺丝法借助旋转和移动的滚筒生产出具有/不具有不同比例的GNP的N6.6纳米纤维。使用环氧树脂作为粘合剂,使用纳米纤维作为第二界面以提高环氧树脂的强度,并使用AA 2024-CFRC作为粘合材料,并根据ASTM D 1002-10和ASTM D 5868-将板材切成101.6×25.4 mm分别为01。在这项研究中,重点研究了通过N6增强来增强单搭接接头的应用。6种纳米纤维可降低环氧树脂的脆性并提高其韧性。与环氧树脂相比,用重量百分比为3%的G6.6的N6.6纳米纤维增强的环氧粘合剂的剪切强度提高了31.20%。环氧树脂和杂化粘合剂的热分析通过差示扫描量热仪(DSC)进行了检查。此外,通过断裂表面的损伤分析,用扫描电子显微镜(SEM)观察到不同重量比例的N6.6纳米纤维掺杂/未掺杂GNP的物理性质。

更新日期:2021-03-07
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