In this study, we investigate the enhancement of mechanical properties that shallow biangle, thin-ply laminates bring to fiber reinforced polymer composites. Coupon- and structural-level tests are conducted along with numerical simulations. According to the coupon tests, we find that shallow biangle fibers and thin plies can increase the axial stiffness of laminates significantly at the cost of a relatively small decrease in their transverse and shear moduli. For the structural tests, we fabricate composite wing structures using an out-of-autoclave vacuum-assisted resin transfer molding process. By conducting static bending tests, we show superior structural performances of the wing structure that employs shallow biangle fibers and thin-ply fabric, compared to those that use conventional fiber-angle and thick plies. Shallow biangle and thin-ply technologies can open new routes to designing composite structures with improved stiffness and strength with fast and cost-effective fabrication processes.


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    Titel :

    Effects of Shallow Biangle, Thin-Ply Laminates on Structural Performance of Composite Wings


    Beteiligte:
    Kim, Yong Han Noel (Autor:in) / Ko, Seunghyun (Autor:in) / Lay, Wei-Siang (Autor:in) / Tian, Jingmeng (Autor:in) / Chang, Paochen (Autor:in) / Thielk, Seiji Umeda (Autor:in) / Bang, Hyung-Joon (Autor:in) / Yang, Jinkyu (Autor:in)

    Erschienen in:

    AIAA Journal ; 55 , 6 ; 2086-2092


    Erscheinungsdatum :

    2017-03-10


    Format / Umfang :

    7 pages




    Medientyp :

    Aufsatz (Zeitschrift)


    Format :

    Elektronische Ressource


    Sprache :

    Englisch






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