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A Mathematical Model for Continuous Fiber Reinforced Thermoplastic Composite in Melt Impregnation

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Abstract

Through the combination of Reynolds equation and Darcy’s law, a mathematical model was established to calculate the pressure distribution in wedge area, which contributed to the forecast effect of processing parameters on impregnation degree of the fiber bundle. The experiments were conducted to verify the capacity of the proposed model with satisfactory results, which means that the model is effective in predicting the influence of processing parameters on impregnation. From the mathematical model, it was known that the impregnation degree of the fiber bundle would be improved by increasing the processing temperature, number and radius of pins, or decreasing the pulling speed and the center distance of pins, which provided a possible solution to the difficulty of melt with high viscosity in melt impregnation and optimization of impregnation processing.

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Acknowledgments

This work was supported by the National Natural Science Foundation of China (Grant No. 51273019) and our industry partner Nanjing Chuangbo Machinery Co. Ltd. The authors would also like to appreciate for the assistances from Prof. Qingchun Li and Mr. Jufa Guo in the experimental testing.

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Authors and Affiliations

  1. College of Mechanical and Electrical Engineering, Beijing University of Chemical Technology, Beijing, 100029, China

    Feng Ren, Jianjun Yang, Chunling Xin & Yadong He

  2. School of Civil and Environmental Engineering, University of Technology Sydney, Sydney, NSW, 2007, Australia

    Yang Yu

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  1. Feng Ren
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  2. Yang Yu
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  3. Jianjun Yang
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  4. Chunling Xin
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  5. Yadong He
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Correspondence to Yang Yu or Yadong He.

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Ren, F., Yu, Y., Yang, J. et al. A Mathematical Model for Continuous Fiber Reinforced Thermoplastic Composite in Melt Impregnation. Appl Compos Mater 24, 675–690 (2017). https://doi.org/10.1007/s10443-016-9534-z

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  • DOI: https://doi.org/10.1007/s10443-016-9534-z

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