Perbandingan Kekuatan Bending dan Tarik Komposit Polimer Hybrid Diperkuat Serat Sisal dan Kenaf Karung Goni Terhadap Serat Karbon Kevlar
DOI:
https://doi.org/10.46509/jamets.v2i1.443Keywords:
Composite, Nature Fibers, Carbon Kevlar Fibers, Bending Strength, Tensile StrengthAbstract
Innovations to replace metal raw materials as aircraft manufacturing and construction materials continue to be developed. The use of composite materials was chosen as a substitute for metal raw materials because composites have strong properties, light mass, and are resistant to corrosion. Generally, composite reinforcement materials come from site reinforcement materials, but there are several disadvantages such as limited raw materials, more expensive production costs, low biodegradability, and dangers to health. In an effort to find alternative synthetic reinforcing materials, this research used a breakthrough by utilizing natural fibers for composite reinforcing materials. The type of composite used is a hybrid composite, which is a combination of sisal fiber and jute sack kenaf fiber. The research method used is an experimental comparative quantitative method, namely knowing the comparison with existing reinforcing materials, namely synthetic carbon kevlar fiber and natural fiber from the results of bending and tensile tests. Composite manufacture was carried out using the hand lay-up method with a fiber volume fraction calculation of 20%:20% sisal and jute sack and 20% kevlar carbon fiber. Specimen testing was carried out using ASTM D790 bending test standards and ASTM D638 tensile tests. From the comparison of bending and tensile test results, it is known that the strength of composites reinforced with sisal fiber and jute sacks is able to approach the strength of composites made from carbon fiber Kevlar with a comparison percentage of 38-40%.
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