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Fracture model for the prediction of the electrical percolation threshold in CNTs/Polymer composites

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Abstract

In this paper, we propose a 3D stochastic model to predict the percolation threshold and the effective electric conductivity of CNTs/Polymer composites. We consider the tunneling effect in our model so that the unrealistic interpenetration can be avoided in the identification of the conductive paths between the CNTs inside the polymer. The results are shown to be in good agreement with reported experimental data.

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Acknowledgments

The authors gratefully acknowledge the support from the Sofja Kovalevskaja Programme from AvH, the Ministry of Science and Technology of China (SLDRCE14B-31), Shanghai Qimingxing Program (16QA1404000) and Fundamental Research Funds for the Central Universities.

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Authors and Affiliations

  1. School of Aerospace Engineering and Applied Mechanics, Tongji University, Shanghai, China

    Yang Shen & Pengfei He

  2. Department of Geotechnical Engineering, College of Civil Engineering, Tongji University, Shanghai, China

    Xiaoying Zhuang

  3. Institute of Continuum Mechanics, Leibniz-Universität Hannover, Hannover, Germany

    Xiaoying Zhuang

  4. State Key Laboratory for Disaster Reduction in Civil Engineering, Tongji University, Shanghai, China

    Xiaoying Zhuang

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  1. Yang Shen
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Correspondence to Xiaoying Zhuang.

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Shen, Y., He, P. & Zhuang, X. Fracture model for the prediction of the electrical percolation threshold in CNTs/Polymer composites. Front. Struct. Civ. Eng. 12, 125–136 (2018). https://doi.org/10.1007/s11709-017-0396-8

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