Analisis Kekuatan Impact Dan Lengkung Pada Serat Kulit Akasia Dan Tandan Kosong Kelapa Sawit Menggunakan Resin Epoxy Sebagai Penguat Pada Biokomposit

Naldi, Khairi Try (2021) Analisis Kekuatan Impact Dan Lengkung Pada Serat Kulit Akasia Dan Tandan Kosong Kelapa Sawit Menggunakan Resin Epoxy Sebagai Penguat Pada Biokomposit. Other thesis, Universitas Islam Riau.

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Abstract

Biocomposite is a combination of a material consisting of two or more parts and combined into a new material and has different properties from the forming material. In this case, the composite fabrication uses acacia bark sera and palm oil empty fiber as reinforcement and epoxy resin as reinforcement. binders in the manufacture of biocomposites. Where acacia bark fibers and empty palm oil bunches are waste that is widely thrown away and unused so that this waste can be used for making composites. To determine the mechanical properties of the biocomposite material from acacia bark fibers and oil palm empty bunches, it is necessary to test the composite material for bending toughness and impact strength. With resin variations of 60% resin and 40% fiber used to make specimens with a variety of fibers from acacia skin and oil palm empty bunches. With the aim of getting the right composition and increasing the use of waste from acacia and oil palm trees into new materials. This stage begins with the selection of fibers and mixing the epoxy resin. Specimen manufacturing and testing procedures refer to ASTM D790 for bending and ASTM D6110-02 for impact. The results of the bending and impact tests showed that the greatest strength of the bending test was 35.69 N / mm2 with a volume fraction of 60% resin + 30% acacia fiber + 10% tkks while the lowest strength for the bending test was 23.14 N / mm2 with a volume fraction of 60% resin. + 40% tkks and the greatest impact toughness was 42.666 × 10-3 J / mm2 for the fraction 60% resin + 30% acacia fiber + 10% tkks while the lowest strength for the impact test was 24,211 × 10-3 J / mm2 for fraction volume 60% resin + 40%. It can be concluded that if there are more acacia fiber fractions to make specimens, the strength and toughness will be better.

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