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All Journal Rekayasa Mesin R.E.M (Rekyasa Energi Manufaktur) Jurnal DIKEMAS (Jurnal Pengabdian Kepada Masyarakat) JEECAE (Journal of Electrical, Electronics, Control, and Automotive Engineering) Scientific Journal of Mechanical Engineering Kinematika Jurnal E-Komtek International Journal of Science, Engineering and Information Technology Journal of Mechanical Engineering, Science, and Innovation Madani: Multidisciplinary Scientific Journal Nanggroe: Journal of Scholarly Service
M. Shafwallah Al. Aziz. R
Politeknik Negeri Madiun
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Weaving Architecture Effects on Mechanical and Chemical Performance of Alkali-Treated Coconut Fiber Composites Agus Choirul Arifin; Deni Nur Fauzi; Noorsakti Wahyudi; Agus Susanto; Pradhana Kurniawan; Yoga Ahdiat Fakhrudi; M. Shafwallah Al. Aziz
Jurnal E-Komtek Vol 10 No 1 (2026)
Publisher : Politeknik Piksi Ganesha Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37339/e-komtek.v10i1.3245

Abstract

This study examines the effect of fabric architecture and alkali treatment on the properties of coconut fiber–polyester composites as an alternative environmentally friendly material. Coconut fibers were treated with 15% NaOH for 2 hours and woven in basket weave and twill weave patterns. The composites were made using a vacuum-assisted resin infusion method with a fiber fraction of 40%, and compared with E-glass composites as a control. FTIR analysis showed a decrease in the intensity of the absorption band in the range of 1200–1300 cm⁻¹, indicating a reduction in lignin content after alkali treatment. The mechanical test results showed that the basket weave composite had higher tensile and flexural strengths, respectively, of 20.40 N/mm² and 78.45 N/mm², compared to the twill weave at 12.98 N/mm² and 52.31 N/mm². However, the highest impact resistance was obtained in the twill weave at 23.61 J/mm². The results of the study indicate that the weave architecture has a significant effect on the mechanical performance of the composite and has the potential to support the development of sustainable composite materials for engineering applications.
The Effect of Hollow Glass Microsphere (HGM) and Iron Sand Volume Fraction on the Hardness and Wear Rate (Tribological Properties) of Composite Train Brake Blocks Rahayu Mekar Bisono; Aulia Raiz Khoirudin; Agus Choirul Arifin; Deby Ika Hariani; Alfi Tranggono Agus Salim; M. Shafwallah Al. Aziz. R; Nyi Selfi Rosalina Apriliya
R.E.M. (Rekayasa Energi Manufaktur) Jurnal Vol 11 No 1 (2026): June
Publisher : Universitas Muhammadiyah Sidoarjo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21070/r.e.m.v11i1.1839

Abstract

This research addresses the wear susceptibility of pure polymer composites in railway brake blocks and the lack of studies on the synergistic effect of iron sand and Hollow Glass Microsphere (HGM) fillers under the SNI 8832:2019 standard. The study evaluates the impact of HGM volume fraction variations on composite hardness and wear rate. A quantitative experimental approach was employed using hand lay-up fabrication, combining an epoxy resin matrix, 15% iron sand, and varying HGM fractions (10%, 15%, 20%). Mechanical characterizations involved Shore D Durometer and Pin-on-Disc Tribometer tests. Results showed that HGM addition caused a statistically insignificant decrease in hardness, remaining well within the SNI 8832:2019 standard range. Conversely, increased HGM significantly reduced the specific wear rate, drastically improving wear resistance. In conclusion, while meeting hardness limits, the composite’s excessively high wear resistance requires further compositional modification to function ideally as a consumable friction material.
DESEMINASI TEKNOLOGI AUTOMATIC NEONBOX SEBAGAI MEDIA INFORMASI EDUKATIF PADA KELOMPOK PRODUSEN OMAH SUSU LAWU Wahyudi, Noorsakti; Arif Wicaksono, Darma; M. Shafwallah Al. Aziz. R; Mochamat Bayu Aji
DIKEMAS (Jurnal Pengabdian Kepada Masyarakat) Vol 10 No 1 (2026)
Publisher : Politeknik Negeri Madiun

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32486/dikemas.v10i1.1140

Abstract

Kegiatan pengabdian masyarakat ini bertujuan untuk meningkatkan daya tarik dan nilai edukatif Kampung Omah Susu Lawu yang berlokasi di Desa Singolangu, Kelurahan Sarangan, Kabupaten Magetan melalui penerapan teknologi Automatic neonbox sebagai media informasi interaktif. Kampung Omah Susu Lawu merupakan kawasan wisata edukatif yang memperkenalkan proses produksi susu dan berbagai olahan turunannya kepada masyarakat. Namun, keterbatasan media informasi visual menyebabkan pesan edukatif dan identitas kawasan belum tersampaikan secara optimal. Melalui kegiatan ini, tim pengabdian merancang, memproduksi, dan memasang perangkat Automatic neonbox yang menampilkan konten informatif secara dinamis dan menarik. Desain teknologi tersebut dilengkapi sistem otomatisasi berbasis sensor dan mikrokontroler, sehingga mampu beroperasi efisien dan adaptif terhadap kondisi lingkungan. Hasil kegiatan menunjukkan bahwa penerapan teknologi ini meningkatkan visibilitas Kampung Omah Susu Lawu, memperkuat branding kawasan wisata edukatif, serta memberikan nilai tambah dalam penyampaian informasi kepada pengunjung. Program ini juga mendorong peningkatan literasi teknologi bagi kelompok produsen lokal sebagai mitra pengabdian, sehingga keberlanjutan pemanfaatan media edukatif ini dapat terus dijaga.
Mechanical Strength Analysis of Bamboo Fiber and Glass Powder Reinforced Composites Using Epoxy Matrix as an Alternative Visor M. Shafwallah Al. Aziz. R; Kholis Nur Faizin; Nicolas Gascoin; Yoga Ahdiat Fakhrudi; Pradhana Kurniawan
Journal of Mechanical Engineering, Science, and Innovation Vol 5, No 2 (2025): (October)
Publisher : Institut Teknologi Adhi Tama Surabaya, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31284/j.jmesi.2025.v5i2.8162

Abstract

This study aims to analyze the mechanical strength of composites with bamboo fiber and glass powder reinforcement using an epoxy matrix. The study used a hand lay-up method with three variations of volume fraction composition, namely (1) 15% bamboo fiber, 15% glass powder, 70% resin, (2) 20% bamboo fiber, 10% glass powder, 70% resin, and (3) 25% bamboo fiber, 5% glass powder, 70% resin. The bamboo fiber used was the result of alkali treatment using 15% NaOH solution to remove lignin and cellulose, while the glass powder was obtained from household glass waste with a particle size of 60 mesh. Mechanical property testing included tensile testing (ASTM D638 Type 1), compression testing (ASTM D695-96), and impact testing (ASTM D256), while morphological structure analysis was carried out using Scanning Electron Microscope (SEM) testing. The results showed that the volume fraction composition of 25:5:70 produced the highest tensile strength with an average value of 95.69 N/mm² and the highest impact strength of 29.91 J/mm. Meanwhile, the composition of 15:15:70 obtained the highest compressive strength of 57.13 MPa. SEM analysis of the composite fracture showed the occurrence of full out fiber, debonding, and void phenomena in the matrix, which affected the decrease in the material strength value. This indicates that variations in the composition of bamboo fiber and glass powder can optimize the mechanical properties of composites, while supporting the utilization of natural materials and waste as environmentally friendly innovation materials for automotive applications, especially Yamaha Vixion motorcycle visor products.
Co-Authors Agus Choirul Arifin Agus Susanto Alfi Tranggono Agus Salim Arif Wicaksono Aulia Raiz Khoirudin Bowo, Prayogo Arie Deby Ika Hariani Deni Nur Fauzi Fakhrudi, yoga ahdiat Farid Majedi Farid Majedi, Farid Fauzan Kurniawan Galih Satrio Gascoin, Nicolas Imam Basuki Kholis Nur Faizin Kholis Nur Faizin, Kholis Nur Mochamat Bayu Aji Nicolas Gascoin Noorsakti Wahyudi Noorsakti Wahyudi Nur, Fachrul Hermansyah Nyi Selfi Rosalina Apriliya Pradhana Kurniawan Pradhana Kurniawan Putri, Koes Shinta Mashury Rahayu Mekar Bisono Rahayu Mekar Bisono Rahayu Mekar Bisono, Rahayu Mekar Sumiaji, Sumiaji Utomo, Prio Wicaksono, Darma Arif Wida Yuliar Rezika, Wida Yuliar Yoga Ahdiat Fakhrudi