The Effect of Fiber Orientation Variations on Bending and Impact Strength in the Manufacture of Sansevieria Fiber Composites
Pengaruh Variasi Orientasi Serat Terhadap Kekuatan Bending dan Impak Dalam Pembuatan Komposit Serat Sansevieria
DOI:
https://doi.org/10.21070/ups.9496Keywords:
Composite, Sanseviera Fiber, Bending and Impact Strength, Fiber OrientationAbstract
Polymer composites reinforced natural fibers fiber arrangement orientation strengthen composite polymers due to their superior and environmentally friendly properties. Study aims determine effect random, twisted, and straight fiber orientations natural fibers. Characteristics mechanical properties composites using sansevieria fibers. Manufacture composite uses hand lay-up method fiber weight fraction volume 30% and alkali treatment sansevieria fibers concentration 5% NaOH two hours. Alkali treatment reduce content lignin, hemicellulose, and dirt layers fiber surface. Testing mechanical property characteristics study impact test and bending test. Good impact test results are straight fiber orientation composites average value 13.08 Joules absorption energy, straight orientation parallel direction load force fiber can exert maximum strength when given shock load. As for bending test results, composite with straight fibers that gets best results with tension energy 80 joules, straight fiber orientation parallel direction load force that when given downward thrust load specimen does not optimally withstand given load.
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