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Xu Wu Li Dai

Abstract

Carbon nano-tubes as a kind of novel nanometer material have been extensively applied in cement-based composite materials to improve their properties. This study prepared carbon nano-tubes cement based composite materials by evenly scattering carbon nano-tubes in cement materials using ultrasonic method and emphatically investigation the improvement of the mechanical property. The results demonstrated that, the addition of carbon nano-tubes could significantly relieve the mechanical properties of cement based composite materials. When the mixing amount of carbon nano-tubes reached the optimal value, i.e., 0.1%, the improvement of the mechanical property of the carbon nano-tubes cement based composite materials was the best. The microstructure analysis using scanning electron microscope suggested that, carbon nano-tubes produced bridging and pullout effects in the cement-based materials, which enhanced the damage resistance of the cement based materials.

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    How to Cite

    Wu, X. and Dai, L. (2017) “Carbon nano-tubes in improving the mechanical property of cement-based composite materials”, Frattura ed Integrità Strutturale, 11(41), pp. Pages 388–395. doi: 10.3221/IGF-ESIS.41.50.