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    Permeability characterization of braided fabrics made of hemp fibers

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    Authors
    Rubino, Felice
    Corbin, Anne-Clémence
    Ferreira, Manuela
    Labbanieh, Ahmad Rashed
    Sanguigno, Luigi
    Soulat, Damien
    Maligno, Angelo
    Affiliation
    University of Derby
    University of Lille, Ensait, Gemtex, F-59000, Roubaix, France
    Issue Date
    2019-07-02
    
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    Abstract
    Reinforcement permeability represents crucial parameters in the manufacturing of fiber reinforced composites by liquid composite molding processes (LCM) [1]. Evaluation of fabric permeability is usually challenging and it requires several flow experiments. Indeed, permeability usually presents different values due to the anisotropic nature of textiles and different values have to be evaluated to calculate the permeability tensor. In addition, different flow conditions could establish during the impregnation: macroscopic and microscopic flow through the inter- and intra-tow leading to unevenly wetted regions of the fabric. Finally, differently from synthetic fibers, natural fibers can absorb fluid, acting as a sink, drawing fluid from the main flow and causing swelling of the natural fibers. In this work unsaturated permeability of braided hemp fabrics are studied for different architectures. Two type of braided fabric were investigated: triaxial and biaxial braids. Three distinct values of braiding angle, namely 45°, 50° and 60° were adopted for the biaxial braid to assess the impact of the braiding angle on the reinforcement permeability. The relation between permeability, porosity and fabric architecture was obtained in the case of the Vacuum Assisted Resin Infusion process.
    Citation
    Rubino, F., Corbin, A.C., Ferreira, M., Labbanieh, A.R., Sanguigno, L., Soulat, D. and Maligno, A., (2019). 'Permeability characterization of braided fabrics made of hemp fibers'. AIP Conference Proceedings, 2113(1), pp. 060008. AIP Publishing.
    Publisher
    AIP Publishing
    URI
    http://hdl.handle.net/10545/625449
    DOI
    10.1063/1.5112603
    Additional Links
    https://aip.scitation.org/doi/abs/10.1063/1.5112603
    Type
    Meetings and Proceedings
    Language
    en
    ae974a485f413a2113503eed53cd6c53
    10.1063/1.5112603
    Scopus Count
    Collections
    Department of Mechanical Engineering & the Built Environment

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