Manufacturing of composite parts reinforced through-thickness by tufting |
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| Affiliation: | 1. The National Composites Centre, Bristol and Bath Science Park, Bristol BS16 7FS, United Kingdom;2. Manufacturing and Materials Department, Cranfield University, Cranfield, Bedfordshire MK43 0AL, United Kingdom;3. Advanced Composites Centre for Innovation and Science, Department of Aerospace Engineering, University of Bristol, Bristol BS8 1TR, United Kingdom;1. Department of Mechanical Engineering and Mechanics, Drexel University, Philadelphia, PA 19104, USA;2. FAA William J. Hughes Technical Center, Atlantic City International Airport, NJ 08405, USA;1. FiReCo AS, Storgata 15, 1605 Fredrikstad, Norway;2. University of Oslo, Department of Mathematics, Pb 1053 Blindern, 0316 Oslo, Norway;3. SINTEF Industry, Department of Materials and Nanotechnology, Pb. 124 Blindern, 0314 Oslo, Norway;4. Technical University of Denmark, Department of Mechanical Engineering, Kongens Lyngby, Denmark;5. Technical University of Denmark, Department of Wind Energy, Frederiksborgvej 399, 4000 Roskilde, Denmark;1. Ecole Polytechnique Fédérale de Lausanne (EPFL), LMAF, STI, Lausanne CH-1015, Switzerland;2. Ecole de technologie supérieure, 1100 Notre-Dame, O., Montréal, Québec H3C 1K3, Canada;3. Ecole Polytechnique Fédérale de Lausanne (EPFL), LPAC, STI, Lausanne CH-1015, Switzerland;1. Advanced Composites Centre for Innovation and Science, Department of Aerospace Engineering, University of Bristol, Bristol BS8 1TR, United Kingdom;2. Coriolis Composites GmbH, Am Technologiezentrum 2, D-86159, Germany;3. Faculty of Engineering, Department of Aeronautics, Imperial College, London SW7 2AZ, United Kingdom |
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| Abstract: | The paper aims at providing practical guidelines for the manufacture of composite parts reinforced by tufting. The need for through-thickness reinforcement of high performance carbon fibre composite structures is reviewed and various options are presented. The tufting process is described in detail and relevant aspects of the technology are analysed such as: equipment configuration and setup, latest advances in tooling, thread selection, preform supporting systems and choice of ancillary materials. Effects of the process parameters on the preform fibre architecture and on the meso-structure of the reinforced component are discussed. Special emphasis is given to the different options available in terms of tuft insertion and loops management.Potential fields of application of the technology are investigated as well as the limitations of its applicability in relation to preform nature and geometry. Critical issues which may arise during the manufacturing process concerning thread insertion, loops formation, alteration to the fabric fibres layout or local volume fraction are identified. |
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| Keywords: | Tufting Composite Stitching Through-thickness reinforcement TTR Preform 3D reinforcement |
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