Influence of carbon nanotube (CNT) on the mechanical properties of LLDPE/CNT nanocomposite fibers |
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| Authors: | Khaled Mezghani Mohammed Farooqui Sarfaraz Furquan Muataz Atieh |
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| Affiliation: | 1. Department of Machine Intelligence and Systems Engineering, Faculty of System Science and Technology, Akita Prefectural University, 84-4 Tsuchiya Ebinokuchi, Yurihonjo, Akita 015-0055, Japan;2. Xihua University, Tuqiao Jinzhou Road 999, Chengdu, Sichuan 610039, China;3. College of Aerospace Engineering, Chongqing University, Shazheng Road, Shapingba District, Chongqing 400030, China;1. Graduate School of Frontier Sciences, The University of Tokyo, 5-1-5, Kashiwanoha, Kashiwa-shi, Chiba 277-8561, Japan;2. Advanced Composites Technology Center, Japan Aerospace Exploration Agency (JAXA), 6-13-1, Osawa, Mitaka-shi, Tokyo 181-0015, Japan;3. Graduate School of Mechanical Engineering, Aoyama-Gakuin University, 5-10-1 Fuchinobe, Chuo-ku, Sagamihara-shi, Kanagawa 252-5258, Japan;4. Faculty of Engineering, Shizuoka University, 3-5-1, Johoku, Naka-ku, Hamamatsu-shi, Shizuoka 423-8561, Japan;1. Centre for Advanced Materials Technology (CAMT), School of Aerospace, Mechanical and Mechatronic Engineering, The University of Sydney, Sydney, NSW 2006, Australia;2. Engineering Product Development Pillar, Singapore University of Technology and Design (SUTD), Singapore 138682, Singapore;3. Department of Mechanical Engineering, The University of Akron, Akron, OH 44325-3903, USA;4. Research School of Chemistry, Australian National University, Canberra, ACT 0200, Australia;1. Department of Mechanical Engineering, Dr. Babasaheb Ambedkar Technological University, Lonere, Raigad 402103, MS, India;2. Naval Materials Research Laboratory (DRDO), Ambernath, Mumbai Maharashtra State, India;1. Department of Mechanical Engineering, National University of Singapore, 9 Engineering Drive 1, EA-07-05, Singapore 117575, Singapore;2. Department of Materials Science and Metallurgy, University of Cambridge, United Kingdom |
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| Abstract: | The present study shows the effect of adding CNT to linear low-density polyethylene (LLDPE) to produce LLDPE/CNT nanocomposite fibers. The LLDPE/CNT fibers were produced by melt extrusion process using a twin-screw extruder, in a controlled temperature from 160 °C to 275 °C. Further, melt extrusion process was followed by drawing of fibers at the room temperature. Three different weight percentages, 0.08, 0.3 and 1 wt.% of CNT were studied for producing nanocomposite fibers. The addition of 1 wt.% CNT in the LLDPE fiber has increased the tensile strength by 38% (350 MPa). The addition of 0.08 and 0.3 wt.% CNT in the fiber matrix has improved the ductility by 87% and 122%, respectively. Similarly, improvement in the toughness was observed by 63% and 105% for LLDPE fibers with 0.08 wt.% and 0.3 wt.% CNT respectively. The increase in the mechanical properties of the composite fibers was attributed to the alignment and distribution of CNT in the LLDPE matrix. The dispersion of CNT in the polymeric matrix has been revealed by SEM. The study shows that the small addition of CNT when properly mixed and aligned will increase the mechanical properties of pristine polymer fibers. |
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