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All Journal Teknika STTKD: : Jurnal Teknik, Elektronik, Engine
Muhammad Fa’iz Alfatih
Sekolah Tinggi Teknologi Kedirgantaraan Yogyakarta
Electrical & Electronics Engineering Energy Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mechanical Engineering

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EKSPERIMEN UJI KEKUATAN TARIK KOMPOSIT DENGAN RESIN EPOXY DAN PENGUAT SERAT KULIT SINGKONG MENGGUNAKAN METODE HAND LAY UP Irvan Randi Siregar; Muhammad Fa’iz Alfatih; Sabri Alimi
Teknika STTKD: : Jurnal Teknik, Elektronik, Engine Vol 8 No 2 (2022): TEKNIKA STTKD: JURNAL TEKNIK, ELEKTRONIK, ENGINE
Publisher : Sekolah Tinggi Teknologi Kedirgantaraan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.56521/teknika.v8i2.610

Abstract

The development of science and technology is currently growing in all fields, including the field of vehicle construction, building construction, industry, and also the field of material engineering, especially composites. Composite is a material system which is a mixture of two or more combinations and has many advantages including lighter weight, adjustable strength and higher resistance and corrosion resistance. In this tensile test to determine the effect of length on tensile strength, strain and modulus of elasticity in each sample. This study experimented with how to test the tensile strength of composites with epoxy resin and cassava peel fibers using the hand lay up method. has a fiber volume of 25%, 50% and 75% with the greatest value is the tensile strength of 4,942 Mpa with a fiber volume of 25% then the tensile elastic modulus of this composite material shows the largest at 50% volume, which is 941.5 Mpa.
EKSPERIMEN UJI BENDING PADA KOMPOSIT RESIN POLYESTER DAN EPOXY SERAT JERAMI PADI DENGAN PROSES HAND LAY UP Chaerul Gautama; Muhammad Fa’iz Alfatih; Sabri Alimi
Teknika STTKD: : Jurnal Teknik, Elektronik, Engine Vol 8 No 2 (2022): TEKNIKA STTKD: JURNAL TEKNIK, ELEKTRONIK, ENGINE
Publisher : Sekolah Tinggi Teknologi Kedirgantaraan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.56521/teknika.v8i2.623

Abstract

The use of composite materials is currently growing, composites have the advantages of low density, corrosion resistance, environmental friendliness and a simple manufacturing process. Composite is a material composed of two main ingredients, namely the matrix (binding material) and filler (filler material). In this study, the filler used was rice straw while the matrix was epoxy resin and polyester resin. The object of this research is to make and carry out a series of tests on straw fiber composite materials with variations in fiber length of 15 mm and 25 mm made by the hand lay up method. The test was carried out to determine the strength of the material and also to recalculate the weight fraction of the actual rice straw fiber resin composite to be compared with the initial volume fraction of 20% straw. The results on composite materials using polyester resin are stronger than epoxy, judging from the average price of polyester with a fiber length of 15 mm, namely the bending strength of 32.04 MPa. Calculation of weight fraction of rice straw fiber resin composite by hand lay up process with epoxy resin is 38.75 gr, while polyester resin is 24.59 gr
Co-Authors Chaerul Gautama Irvan Randi Siregar Sabri Alimi