掺石墨烯胶粘剂粘结单搭接接头对剪切载荷的响应

Q3 Engineering

International Journal of Vehicle Structures and Systems Pub Date : 2023-07-12 DOI:10.4273/ijvss.15.2.19

R. Amitkumar, R. Asokan, K. P. Jhanji, Kuleshwar Sokal, Rohit R. Patil, P. Surya

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引用次数: 0

摘要

粘接接头在被粘结物和胶粘剂之间建立了牢固的粘合，在航空航天、汽车和民用领域等许多领域正在取代铆接接头。在本研究中，研究了环氧胶粘剂中掺杂石墨烯纳米颗粒对玻璃和碳纤维粘合单搭接接头剪切行为的影响。玻璃和碳纤维层压板采用Rotex EP-306树脂和Rotex EH-758硬化剂生产。然后用两组分环氧结构粘合剂粘合单搭接接头。将石墨烯按0.1%、0.5%、1%和2%的重量百分比加入树脂中，用超声波法分散。进行了剪切试验以确定粘接强度。结果表明，与其他配置相比，含有0.5% wt石墨烯的接头在玻璃和碳粘附方面都表现出更好的结合强度。结果表明，随着石墨烯含量的进一步增加，抗剪强度下降。此外，与用玻璃粘接的接头相比，用碳粘接的接头表现出更好的强度性能。

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Response of Adhesively Bonded Single Lap Joint Doped with Graphene in Adhesive to Shear Loads

The adhesively bonded joint creates a strong bond between the adherend and the adhesive and are replacing the riveted joints in numerous fields such as aerospace, automobile and civil sectors. In this study, the consequence of compositions of graphene nanoparticle doped in the epoxy adhesive on the shear behaviour of single lap joints of adhesively bonded glass and carbon fibre as adherends were investigated. Glass and carbon fibre laminates were produced using Rotex EP-306 resin and Rotex EH-758 hardener. Adhesively bonded single lap joints were then made by using a two-part epoxy structural adhesive. Graphene was added in weight percentages of 0.1%, 0.5%, 1% and 2% into the resin and dispersed by using the method of ultrasonication. A shear test was carried to determine the bonding strength. Results indicated that joints with 0.5% wt. of graphene showed better bond strength compared to other configurations for both glass and carbon adherend. It was noted that with further increase in percentage of graphene, the shear strength decreased. Furthermore, the joints made with carbon as adherend showed better strength properties in comparison with joints made of glass adherend.

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来源期刊

International Journal of Vehicle Structures and Systems Engineering-Mechanical Engineering

CiteScore

0.90

自引率

0.00%

发文量

期刊介绍： The International Journal of Vehicle Structures and Systems (IJVSS) is a quarterly journal and is published by MechAero Foundation for Technical Research and Education Excellence (MAFTREE), based in Chennai, India. MAFTREE is engaged in promoting the advancement of technical research and education in the field of mechanical, aerospace, automotive and its related branches of engineering, science, and technology. IJVSS disseminates high quality original research and review papers, case studies, technical notes and book reviews. All published papers in this journal will have undergone rigorous peer review. IJVSS was founded in 2009. IJVSS is available in Print (ISSN 0975-3060) and Online (ISSN 0975-3540) versions. The prime focus of the IJVSS is given to the subjects of modelling, analysis, design, simulation, optimization and testing of structures and systems of the following: 1. Automotive vehicle including scooter, auto, car, motor sport and racing vehicles, 2. Truck, trailer and heavy vehicles for road transport, 3. Rail, bus, tram, emerging transit and hybrid vehicle, 4. Terrain vehicle, armoured vehicle, construction vehicle and Unmanned Ground Vehicle, 5. Aircraft, launch vehicle, missile, airship, spacecraft, space exploration vehicle, 6. Unmanned Aerial Vehicle, Micro Aerial Vehicle, 7. Marine vehicle, ship and yachts and under water vehicles.