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All Journal Student Scientific Creativity Journal Proceedings of Malikussaleh International Conference on Multidisciplinary Studies (MICoMS)
Ferry Safriwardi
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Arts Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Education Engineering Environmental Science Languange, Linguistic, Communication & Media Physics Social Sciences

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Analisis Kelayakan Fasilitas Bengkel Teknik Kendaraan Ringan di SMK Negeri 1 Nisam Rahmad Maulana; Ferry Safriwardi; Jumadi Jumadi
Student Scientific Creativity Journal Vol. 3 No. 1 (2025): Student Scientific Creativity Journal
Publisher : Pusat Riset dan Inovasi Nasional

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55606/sscj-amik.v3i1.5428

Abstract

This study aims to see how the condition and completeness of the facilities and infrastructure of the light vehicle engineering workshop at SMK Negeri 1 Nisam. The research method was carried out by conducting interviews with the relevant teachers in the workshop, and observation of data on school documents related to light vehicle engineering workshop facilities. The results showed that the results achieved were 55%, so it can be interpreted that the achievement criteria are included in the feasible category. So the conclusion that can be obtained is that it proves that there is still a level of awareness of practicum equipment users to carry out maintenance on the tools used for practicum activities.
Study Of The Effect Of Variations In Fiber Orientation On The Tensile Strength Properties Of Polyester Composites Reinforced Abaca Fiber Abubakar Dabet; Nurul Islami; Aljufri; Ferry Safriwardi; Azhar Syahputra; Muhammad Yusri
Proceedings of Malikussaleh International Conference on Multidisciplinary Studies (MICoMS) Vol. 4 (2024): Proceedings of Malikussaleh International Conference on Multidisciplinary Studies (MI
Publisher : LPPM Universitas Malikussaleh

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29103/micoms.v4i.899

Abstract

A composite is a material formed from a combination of two or more constituent materials using a heterogeneous mixing process, whose mechanical properties vary. The aim of this research is to compare the tensile strength values ​​of abaca banana stem fiber polyester composites with variations in fiber orientation. The fiber orientation used is parallel, random and woven. The method used is a hand lay-up press with a fiber volume fraction of 30% and the resin itself uses BQTN 157 EX polyester resin with a hand lay-up method using a glass mold. The test was carried out by tensile testing using the ASTM D3039 measurement standard and macro photos. The results of research on tensile testing show that composites with variations in parallel fiber orientations reinforced with abaca banana stem fibers have an average tensile strength of 39.63 MPa, variations in random fiber orientation have an average tensile strength of 32.87 MPa and variations in fiber orientation woven has an average tensile strength of 25.90 MPa. From the results of macro photo fracture observations, it was found that the type of fracture is a brittle fracture on an uneven fracture surface which causes fiber pull-out where the fibers appear to be coming out of the specimen because the matrix and fibers are not strongly bonded and the fracture is also caused by voids near the fibers.
Co-Authors Abubakar Dabet ALJUFRI Azhar Syahputra Jumadi Jumadi Muhammad Yusri Nurul Islami, Nurul Rahmad Maulana