Modeling the elastic properties of carbon nanotube array/polymer composites |
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| Affiliation: | 1. KU Leuven, Dept. of Mechanical Engineering, Leuven, Belgium;2. Teledyne Scientific Co. LLC, Thousand Oaks, CA, USA;3. KU Leuven, Dept. of Metallurgy and Materials Engineering, Leuven, Belgium;1. Dipartimento di Chimica e Farmacia, Università di Sassari, Local INSTM Unit, Via Vienna 2, 07100 Sassari, Italy;2. Dipartimento di Scienza Applicata e Tecnologia, Politecnico di Torino, Sede di Alessandria, Local INSTM Unit, Viale T. Michel 5, 15121 Alessandria, Italy;1. Center for Optical and EM Research, State Key Lab of MOI, Zhejiang University, Hangzhou 310058, China;2. Key Lab of Ministry of Education of Design and EMC of High-Speed Electronic Systems, School of Electronic Information and Electrical Engineering, Shanghai Jiao Tong University, Shanghai 200240, China;1. Mawson Institute, University of South Australia, Australia;2. School of Chemical and Physical Sciences, Flinders University, Australia;3. SA Water Centre for Water Management and Re-use, University of South Australia, Australia |
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| Abstract: | In this work, the elastic properties of single-walled carbon nanotube (SWNT) arrays and their composites are investigated. The properties of twisted SWNT nano-arrays or ropes of circular cross-section are predicted through a finite element analysis by applying proper boundary conditions to the model and using the strain energy method. The nano-array properties are then used to describe the properties of twisted SWNT nano-array/polymer composites. The effect of volume fraction and aspect ratio of the nano-array as reinforcement for dilute polymer composite systems are examined for aligned and random reinforcement distribution using conventional micromechanics. Finally, elastic properties of the twisted SWNT nano-array/polymer composites are compared to the results from constitutive model of individual nanotube-reinforced polymer composites. |
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