Searched for: subject%3A%22Thermoplastic%255C%2BComposite%22
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Bhanu Prakash, Bhanu Prakash (author)
Research and development of thermoplastic composites has been ever increasing owing to the advantages brought by it over conventional materials such as metals and thermoset composites. Higher processing rates, automation, the possibility to recycle, weldability and better mechanical and chemical properties are some of them. Fusion bonding of...
master thesis 2022
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Guevara Sotelo, Natalia Sofia (author)
Fiber-reinforced polymer composites have gained relevance in the aerospace industry due to their great potential for weight reduction. This, thanks to their outstanding specific properties and ability to be tailored to different applications. Developing efficient composite joining techniques is a challenge that requires great attention as it is...
master thesis 2022
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Rosado Bailon, Gisela (author)
The safety of a commercial aircraft is a factor to consider from the early stages of its design to guarantee that this one's structure can protect the occupants inside in a low-speed crash. In an aircraft's primary structure such as a fuselage, where the occupants and cargo should be protected, the design regulations imposed by the EASA have...
master thesis 2022
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Jongbloed, B.C.P. (author)
One of the most promising welding techniques for thermoplastic composites is ultrasonic welding. It is mainly known as a spot welding technique. The relatively new technology continuous ultrasonic welding of thermoplastic composites makes it possible to obtain large fully welded seams with higher load carrying capabilities. However, at the start...
doctoral thesis 2022
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Telford, R. (author), Peeters, D.M.J. (author), Rouhi, M. (author), Weaver, P. M. (author)
Despite their importance in benchmarking numerical simulations, buckling tests still feature compromises between component-level and high-fidelity large-scale tests. For example, compression-induced buckling tests cannot capture the through-thickness or span-wise stress gradients in wing skins. Consequently, the results obtained often require...
journal article 2022
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Tijs, B.H.A.H. (author), Doldersum, M.H.J. (author), Turon, A. (author), Waleson, J. E.A. (author), Bisagni, C. (author)
The capability of joining two thermoplastic composite parts by welding is a key technology to reduce the weight and cost of assembled parts and enables high volume manufacturing of future aeronautical structures made of thermoplastic composite materials. However, there is not much experimental understanding of the mechanisms involving welded...
journal article 2022
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de Weert, Loïc (author)
Disassembly of fusion bonded joints aided by induction heating was investigated. Single-lap shear experiments were performed while heating the joint with an induction coil to research the effect on force required and damage inflicted during disassembly. Co-consolidated CF/PEEK samples with and without a metal mesh susceptor and ultrasonically...
master thesis 2021
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Urselmann, Huub (author)
Composites are used in applications where the combination of low density and high stiffness is wanted, as can be frequently found in the aerospace industry. Within the composites family, discontinuous fiber composites (DFC) started to gain interest in the aerospace and automotive industry, due to their potential for high production rates. In...
master thesis 2021
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Tsiangou, E. (author)
Welding is a promising alternative to mechanical fastening, as currently used, to join dissimilar (i.e., thermoset- to thermoplastic-based) composite parts in modern aircraft. Thermoset composites can be indirectly welded through a thermoplastic coupling layer co-cured on the surface of the laminate that needs to be welded. One of the main...
doctoral thesis 2021
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Meijerman, Krista (author)
Welding is a joining method for thermoplastic composites (TPCs) that offers multiple advantages over the more traditional methods of mechanical fastening and adhesive bonding. A particularly promising welding technique is ultrasonic welding, which features very short process times as a result of the high heating rates that can be achieved. This...
master thesis 2021
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Choudhary, A. (author), Villegas, I.F. (author)
Multi-spot sequential ultrasonic welding is a promising joining technique for fibre-reinforced thermoplastic composites structures (TPC). In existing research on the multi-spot sequential ultrasonic welding process, welds are produced through the use of a static table-top welding machine, at a coupon level. However, in order to apply this...
conference paper 2021
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Köhler, F. (author), Villegas, I.F. (author), Dransfeld, C.A. (author), Herrmann, A. (author)
Ultrasonic welding is a promising technology to join fibre-reinforced thermoplastic composites. While current studies are mostly limited to fabric materials the applicability to unidirectional materials, as found in aerospace structures, would offer opportunities for joining primary aircraft structures. However, due to the highly anisotropic...
review 2021
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Koutras, N. (author), Benedictus, R. (author), Villegas, I.F. (author)
The effect of temperature on the lap shear strength (LSS) and failure mechanisms of ultrasonically welded carbon fibre reinforced polyphenylene sulphide (CF/PPS) joints was investigated, correlating the weld performance to the crystallinity degree of PPS at the weldline. The single-lap shear tests were carried out at temperatures ranging from...
journal article 2021
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Villegas, I.F. (author), Rans, C.D. (author)
Single-lap shear (SLS) joints are straightforward to manufacture. This makes them especially attractive for testing polymer composite welded joints. Owing to local heating, which is characteristic of composite welding processes, the production of more geometrically intricate joints (such as double-lap or scarfed joints) or bigger joints (such...
review 2021
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Koutras, N. (author)
The use of high performance thermoplastic composites (TPCs) in the aviation industry has increased over the last years. TPCs have significant advantages such as superior damage tolerance, excellent chemical resistance and the ability to be welded. To date, mechanical fastening, primarily, and adhesive bonding are the two traditional joining...
doctoral thesis 2020
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Quan, D. (author), Deegan, Brian (author), Byrne, Lorcán (author), Scarselli, Gennaro (author), Ivanković, Alojz (author), Murphy, Neal (author)
Carbon fibre reinforced poly-etherether-ketone (PEEK) and poly-phenylene-sulfide (PPS) composites were rapidly surface-treated by high-power UV light, and then adhesively bonded to aluminium 2024-T3 and carbon fibre/epoxy composites. The results of a single lap-shear joint test demonstrated that a UV-treatment lasting for 5 s was sufficient...
journal article 2020
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Vinod, Rahul (author)
Thermoplastic composites are gaining prominence in the aerospace industry owing to their higher damage tolerance, cost-efficient means of manufacturing, and the possibility to be recycled. One of the major benefits of thermoplastics compared to thermosets is their ability to be welded, and one of the most promising welding techniques for...
master thesis 2020
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de Bruin, A.J.D. (author)
Ultrasonic Welding is a fusion bonding method that can create high-strength thermoplastic composite joints at very fast speeds. This makes it a very promising method for use in the aerospace industry, though further research is required to mature it. One topic of interest is how the crystallinity of the polymer matrix in the joint is affected by...
master thesis 2020
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Zhao, T. (author), Tsakoniatis, Ioannis (author), Rans, C.D. (author), Villegas, I.F. (author), Benedictus, R. (author)
Thermoplastic composite spot welded joints are more well-suited for carrying shear load rather than peel load. However, peel load is difficult to be eliminated in single-lap joint configuration. In this paper, a series of mechanical tests were carried out to study the effects of the spot spacing and the number of welded spots on the secondary...
conference paper 2020
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Tijs, B.H.A.H. (author), van Dooren, K.S. (author), Bisagni, C. (author)
This work summarizes the recent developments of a numerical framework to predict the mechanical behaviour of thermoplastic composites. It supports the design of a next generation thermoplastic multi-functional fuselage which uses advanced joining techniques such as thermoplastic welding to reduce both weight and cost by limiting the amount of...
conference paper 2020
Searched for: subject%3A%22Thermoplastic%255C%2BComposite%22
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