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All Journal Rekayasa Mesin Jurnal Rekayasa Mesin Journal of Energy, Mechanical, Material and Manufacturing Engineering Mekanika: Majalah Ilmiah Mekanika Jurnal Energi dan Teknologi Manufaktur Abdi Dosen : Jurnal Pengabdian Pada Masyarakat Otopro G-Tech : Jurnal Teknologi Terapan Jurnal Pengabdian Polinema Kepada Masyarakat Journal of Engineering and Applied Technology Eksergi: Jurnal Teknik Energi Jurnal Manajemen Bisnis Transportasi dan Logistik Logic : Jurnal Rancang Bangun Dan Teknologi Jurnal Pengabdian Kepada Masyarakat Ceria Journal of Evrimata: Engineering and Physics Criksetra: Jurnal Pendidikan Sejarah JURNAL LINTAS KARSA
Muhammad Fakhruddin
Politeknik Negeri Malang
Religion Arts Humanities Automotive Engineering Chemical Engineering, Chemistry & Bioengineering Chemistry Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Education Electrical & Electronics Engineering Energy Engineering Environmental Science Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Materials Science & Nanotechnology Mathematics Mechanical Engineering Nursing Public Health Social Sciences Transportation Other

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Comparative Analysis of the Size of Glass Fiber Woven Roving based on a Polyester Matrix on the Impact Strength of Composite Materials Lazuardy, M. Fajar; Fakhruddin, Muhammad
Mekanika: Majalah Ilmiah Mekanika Vol 23, No 1 (2024): MEKANIKA: Majalah Ilmiah Mekanika
Publisher : Universitas Sebelas Maret

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20961/mekanika.v23i1.76695

Abstract

Laminated Glass Fiber Reinforced Polymer (GFRP) composites are widely used in various industries, such as boat building, car bodies, water tanks and pipelines, which in their use sometimes have the potential to be exposed to impact loads, especially in transportation equipment. Therefore, it is necessary to perform an impact test to determine the toughness value of a composite material against impact loads. This study aims to investigate the characteristics of fibreglass Woven Roving (WR)/polyester composites produced by the compression moulding process to determine the toughness of the composite material concerning changes in weave size. This research uses variations of glass fibre woven roving in sizes of 200 gsm, 400 gsm, 600 gsm. The impact test was conducted following the American Society for Testing Materials (ASTM) D6110-10. The impact test result showed that the lowest impact strength is found in a composite with a woven size of 200 gsm, which is 0.145 J/mm2, and the highest impact strength is found in composite with a woven size of 600 gsm, which is 0.280 J/mm2. 
Optimization of 3D Printing Process Parameters of Fused Deposition Modeling on Impact Strength of Onyx–Glass Fiber Composite Muzaki, Mochamad; Faizin, Akhamd; Wicaksono, Hangga; Fakhruddin, Muhammad; Gunawan, Chandra
Jurnal Rekayasa Mesin Vol. 17 No. 1 (2026)
Publisher : Jurusan Teknik Mesin, Fakultas Teknik, Universitas Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21776/ub.jrm.v17i1.2240

Abstract

The fused deposition modeling (FDM) process is an additive manufacturing technique that fabricates 3D objects through layer-by-layer deposition of molten material. This study aims to determine the optimum process parameters for fabricating onyx-glass fiber composites with maximum impact strength. Onyx, a nylon-based filament filled with micro-carbon fibers, was selected because it is stronger and stiffer than conventional ABS and can be reinforced with continuous fibers. This optimization is important for lightweight structural components, such as electric-vehicle gears, where durability and resistance to dynamic loads are required. The Taguchi method with an L9 orthogonal array was applied, with three parameters investigated: filling density, number of wall layers, and number of glass fiber layers. Impact testing was conducted in accordance with ASTM D6110-10 using a Charpy impact tester. ANOVA results indicated that the number of glass fiber layers was the only factor with a statistically significant effect on impact strength at the 95% confidence level (P = 0.043), while the number of wall layers was statistically insignificant (P = 0.468). Filling density showed a marginal contribution to impact strength (P = 0.073). The optimum combination within the investigated parameter range was identified as 30% filling density, two wall layers, and 18 glass fiber layers, producing a maximum observed impact strength of 0.375 J/mm2.
Co-Authors Agus Dani Agus Hardjito Agus Harijono Akbarsyah D, Khelvindra Rizky Akhmad Faizin Amrullah, Utsman Syah Andita N.F. Ganda Anindito Purnowidodo Anwar, Abdul Muid Asrori Asrori BAYU PRANOTO Choiron, Mochammad Agus Eko Yudiyanto Elka Faizal Faizin, Akhamd Farhan Nugraha Farid, Muhamad Fauzan Baananto Gunawan, Chandra Hangga Wicaksono Hardyanto, Noveri Dwi Hilmi Iman Firmansyah Humaidi Imam Mashudi Imam Mashudi, Imam Kasijanto Kasijanto Kris Witono Lazuardy, M. Fajar Listiyono Listiyono Maskuri Maskuri Moch. Agus Choiron Moh. Nasir Hariyanto Muzaki, Mochamad Nicky Suwandhy Widhi Supriyanto Nike N.F Nugroho, Pipit Wahyu Nurlia Pramita Sari Paranata, Rake Aji Nugraha Perkasa, Rilis Eka Pradana, Yanuar Rohmat Aji Pramita Sari, Nurlia Pranoto, Bayu Pratama, Adjie Yoga Purwoko Rafik Djoenaidi Raga, Paulus Rilis Eka Perkasa Sadar Wahjudi Sari, Nurlia Pramita Satworo Adiwidodo Sulistyono Sulistyono Sulistyono Sulistyono Susilo, Sugeng Hadi VERONICA VERONICA Wicaksono, Hangga Widyasari, Auzini Wiganata, Gading Wihardias, Angga Faisal Wirawan