Cementitious Composites Reinforced with Multiwalled Carbon Nano Tubes Dispersed in Gum Arabic

Muhammad Tausif Arshad, Asad Hanif, Anwar Khitab, Abdullah Iftikhar, Ali Raza and Jawad Liaqat
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Muhammad Tausif Arshad: Department of Civil Engineering, Mirpur University of Science and Technology, Mirpur, Pakistan
Asad Hanif: Department of Civil Engineering, Mirpur University of Science and Technology, Mirpur, Pakistan
Abdullah Iftikhar: Department of Civil Engineering, Mirpur University of Science and Technology, Mirpur, Pakistan
Ali Raza: Department of Civil Engineering, Mirpur University of Science and Technology, Mirpur, Pakistan
Jawad Liaqat: Department of Civil Engineering, Mirpur University of Science and Technology, Mirpur, Pakistan

International Journal of Technology and Engineering Studies, 2018, vol. 4, issue 6, 227-232

Abstract: Carbon Nano Tubes (CNTs) are the next generation advanced material. They have 5,100 and 60 times higher young’s modulus, tensile strength and strain capacity respectively. These excellent physical properties make them attractive for incorporating in cementitious composites. A hindrance associated with use of CNTs in cementitious composites is their dispersion in matrix. CNTs form bundles or agglomerates, firmly stick with each other due to the way they are produced. Due to poor dispersion of CNTs it is impossible to achieve desired characteristics. In this study Gum Arabic was used as surfactant for dispersion of multiwalled CNTs in aqueous solution along with sonication. Base on trials 60 seconds sonication regime was selected.40x40x160 mm mortar prisms were prepared and testes at 3, 7,14 and 28 days. An increase of 10.57 and 20.4% was observed in flexure and compressive strength respectively. SEM images show many single filaments of CNTs. Which is indication of good dispersion. Results of this research will be beneficial for use of MWCNTs in cementitious composites.

Keywords: Component; formatting; style; styling; insert (search for similar items in EconPapers)
Date: 2018
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Persistent link: https://EconPapers.repec.org/RePEc:apa:ijtess:2018:p:227-232

DOI: 10.20469/ijtes.4.10004-6

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