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A Modeling Approach to Fiber Fracture in Melt Impregnation

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Abstract

The effect of process variables such as roving pulling speed, melt temperature and number of pins on the fiber fracture during the processing of thermoplastic based composites was investigated in this study. The melt impregnation was used in this process of continuous glass fiber reinforced thermoplastic composites. Previous investigators have suggested a variety of models for melt impregnation, while comparatively little effort has been spent on modeling the fiber fracture caused by the viscous resin. Herein, a mathematical model was developed for impregnation process to predict the fiber fracture rate and describe the experimental results with the Weibull intensity distribution function. The optimal parameters of this process were obtained by orthogonal experiment. The results suggest that the fiber fracture is caused by viscous shear stress on fiber bundle in melt impregnation mold when pulling the fiber bundle.

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Acknowledgments

This work was supported by the National Natural Science Foundation of China (Grant No. 51273019). The authors are also thankful for the beneficial suggestions and comments from the editor and reviewers.

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Authors and Affiliations

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

    Feng Ren, Cong Zhang, Chunling Xin, Ke Tang & Yadong He

  2. Polymer Processing Equipment Engineering Research Centre, Ministry of Education, Beijing, 100029, China

    Feng Ren & Yadong He

  3. 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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Correspondence to Yadong He.

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Ren, F., Zhang, C., Yu, Y. et al. A Modeling Approach to Fiber Fracture in Melt Impregnation. Appl Compos Mater 24, 193–207 (2017). https://doi.org/10.1007/s10443-016-9521-4

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  • DOI: https://doi.org/10.1007/s10443-016-9521-4

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