Mechanical,thermal and microstructural characteristics of cellulose fibre reinforced epoxy/organoclay nanocomposites |
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| Authors: | H Alamri IM Low Z Alothman |
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| Affiliation: | 1. Department of Imaging & Applied Physics, Curtin University of Technology, GPO Box U1987, Perth, WA 6845, Australia;2. Chemistry Department, College of Science, King Saud University, Riyadh, Saudi Arabia;1. Center for Advanced Materials, Qatar University, P.O. Box 2713, Doha, Qatar;2. Materials Science and Technology Program, Qatar University, P.O. Box 2713, Doha, Qatar;1. CEMUC, University of Coimbra, Portugal;2. Mechanical Engineering Department, University of Coimbra, Rua Luís Reis Santos, Pinhal de Marrocos, 3030-788 Coimbra, Portugal;3. Mechanical Engineering Department, ISEC, Polytechnic Institute of Coimbra, Rua Pedro Nunes, 3030-199 Coimbra, Portugal;4. Mechanical Engineering Department, ESTG, Polytechnic Institute of Leiria, Morro do Lena – Alto Vieiro, 2400-901 Leiria, Portugal;1. School of Mechatronic Engineering, Universiti Malaysia Perlis, Pauh Putra Campus, 02600 Arau, Perlis, Malaysia;2. Faculty of Engineering Technology, Universiti Malaysia Perlis, Uniciti Alam Campus, 02100 Padang Besar, Perlis, Malaysia;3. School of Mechanical and Systems Engineering, Newcastle University, Newcastle upon Tyne NE1 7RU, UK;1. Institute of Materials Chemistry & Research, Polymer & Composite Engineering (PaCE) Group, University of Vienna, Währingerstr. 42, A-1090 Vienna, Austria;2. Polymer & Composite Engineering (PaCE) Group, Department of Chemical Engineering, Imperial College London, South Kensington Campus, SW7 2AZ London, United Kingdom;3. Department of Biotechnology Engineering, International Islamic University Malaysia, P.O. Box 10, 50278 Kuala Lumpur, Malaysia;4. Department of Aeronautics, Imperial College London, South Kensington Campus, SW7 2AZ London, United Kingdom;5. Department of Mechanical Engineering, Faculty of Engineering and the Built Environment, University of Johannesburg, South Africa;1. State Key Laboratory of Fire Science, University of Science and Technology of China, 96 Jinzhai Road, Hefei, Anhui, 230026, PR China;2. Department of Chemistry, University of North Carolina Chapel Hill, Chapel Hill, NC 27599, USA |
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| Abstract: | Epoxy nanocomposites reinforced with recycled cellulose fibres (RCFs) and organoclay platelets (30B) have been fabricated and investigated in terms of WAXS, TEM, mechanical properties and TGA. Results indicated that mechanical properties generally increased as a result of the addition of nanoclay into the epoxy matrix. The presence of RCF significantly enhanced flexural strength, fracture toughness, impact strength and impact toughness of the composites. However, the inclusion of 1 wt.% clay into RCF/epoxy composites considerably increased the impact strength and toughness. The presence of either nanoclay or RCF accelerated the thermal degradation of neat epoxy, but at high temperature, thermal stability was enhanced with increased char residue over neat resin. The failure micromechanisms and energy dissipative processes in these nanocomposites were discussed in terms of microstructural observations. |
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