Mode I and Mode II interlaminar fracture toughness of composite laminates interleaved with electrospun nanofibre veils |
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Affiliation: | 1. Revolution Fibres, 9a Corban Ave, Henderson, Auckland 0612, New Zealand;2. School of Engineering, University of Waikato, Private Bag 3105, Hamilton, New Zealand;1. State Key Laboratory of Organic-Inorganic Composites, Beijing University of Chemical Technology, Beijing 100029, PR China;2. Changzhou Institute of Advanced Materials, Beijing University of Chemical Technology, Beijing 100029, PR China;1. Department of Polymer Engineering and Color Technology, Amirkabir University of Technology, Hafez Ave. 424, Tehran 15914, Iran;2. Dipartimento di Ingegneria Industriale, Alma Mater Studiorum-Università di Bologna, Viale Risorgimento 2, Bologna 40125, Italy;3. Department of Mechanical Engineering, Tarbiat Modares University, Tehran 14115-143, Iran;1. Ghent University, Department of Textiles, Technologiepark-Zwijnaarde 907, B-9052 Zwijnaarde, Belgium;2. Ghent University, Department of Materials Science and Engineering, Technologiepark-Zwijnaarde 903, B-9052 Zwijnaarde, Belgium;3. Vrije Universiteit Brussel, Department Materials and Chemistry, Pleinlaan 2, B-1050 Brussels, Belgium;1. Department of Materials Science and Engineering, Çanakkale Onsekiz Mart University, Çanakkale 17100, Turkey;2. Department of Mechanical Engineering, Selçuk University, Konya 42075, Turkey;1. University of Strathclyde, DMEM Department, 75 Montrose Street, G1 1XJ Glasgow, UK;2. University of Bologna, Department of Industrial Engineering, viale del Risorgimento 2, 40136 Bologna, Italy |
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Abstract: | In this study, the effects of interleaved nanofibre veils on the Mode I and Mode II interlaminar fracture toughness (ILFT) of autoclave cured unidirectional carbon/epoxy composite laminates were investigated. Various electrospun nanofibre veils consisting of a range of different polymer types, fibre diameters and veil architectures were placed in the laminate mid-planes, which were subsequently subjected to double cantilever beam and end-notch flexure tests. It was found that the polymer type and veil areal weight were the most important factors contributing to laminate performance. A 4.5 g/m2 PA66 veil provided the best all-round performance with fracture toughness improvements of 156% and 69% for Mode I and Mode II, respectively. |
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Keywords: | A. Carbon fibre B. Fracture toughness D. Mechanical testing Electrospinning |
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