Fatigue behaviour assessment of flax–epoxy composites |
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| Affiliation: | 1. KU Leuven – Department of Materials Engineering, Kasteelpark Arenberg 44 – bus 2450, 3001 Heverlee, Belgium;2. McGill University – Department of Mechanical Engineering, 817 Sherbrooke St. West, Montreal, Quebec H3A0C3, Canada;1. Normandie Univ., France;2. UNICAEN, CIMAP, F-14050 Caen, France;3. École Nationale Supérieure d''Ingénieur de Caen (ENSICAEN), F-14050 Caen, France;4. CNRS, UMR 6252, F-14050 Caen, France;5. CEA, UMR 6252, F-14050 Caen, France;6. Université de Franche-Comté, FEMTO ST, F-25044 Besançon, France;7. CNRS, UMR 6174, F-25044 Besançon, France;1. Department of Metallurgy and Materials Engineering, Katholieke Universiteit Leuven, Kasteelpark Arenberg 44 bus 2450, 3001 Heverlee, Belgium;2. Institute of Condensed Matter and Nanosciences, Université Catholique de Louvain, Louvain-la-Neuve, Belgium;1. DRIVE–ISAT, Université de Bourgogne, 58027 Nevers Cedex, France;2. LAMPA, Arts et Métiers ParisTech, 49100 Angers Cedex, France;1. Univ. Bretagne-Sud, EA 4250, LIMATB, F-56100 Lorient, France;2. Univ. Bretagne-Sud, EA 4250, LIMATB, F-56000 Vannes, France;3. Institut de Science des Matériaux de Mulhouse, Université de Haute Alsace, CNRS – UMR 7361, F-68057 Mulhouse, France;1. Department of Mechanical & Industrial Engineering, Ryerson University, Toronto, ON, Canada;2. Department of Mechanical Engineering, Western University, London, ON, Canada;3. Department of Surgery, Western University, London, ON, Canada;4. Department of Aerospace Engineering, Ryerson University, Toronto, ON, Canada |
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| Abstract: | The present study focuses on the characterisation and evaluation of the fatigue behaviour of flax–epoxy composites. A better understanding of this behaviour allows the prediction of long-term properties to assess the viability and long-term durability of these materials. The purpose of this work is to systematically compare the tension–tension fatigue behaviour of flax fibre composites for one random mat, six textile architectures and two laminate configurations, which are used in a wide range of applications. The fibre architecture was found to have a strong effect on the fatigue behaviour, where higher static strength and modulus combinations present the best fatigue characteristics. They have a delayed damage initiation and increased fatigue life as well as a reduced damage propagation rate combined with higher energy dissipation in the early stages of fatigue loading. |
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| Keywords: | A Fabrics/textiles A Biocomposites B Fatigue B Mechanical properties |
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