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All Journal Jurnal Rekayasa Mesin Jurnal Masyarakat Indonesia AutoMech : Jurnal Teknik Mesin
Adityo Noor Setyo Hadi Darmo
Universitas Tidar
Aerospace Engineering Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Education Energy Engineering Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mechanical Engineering Physics

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Analisis Ketangguhan Impak dan Foto Makro Komposit Sandwich Serat Hybrid dengan Variasi Susunan Lapisan Sebagai Material Dinding Rumah Tardho Hakim; Sri Hastuti; Adityo Noor Setyo Hadi Darmo
AutoMech : Jurnal Teknik Mesin Vol. 6 No. 01 (2026): Mei
Publisher : Universitas Muhammadiyah Ponorogo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24269/jtm.v6i01.12029

Abstract

ABSTRAK Perkembangan material komposit dalam industri konstruksi mendorong inovasi material dinding alternatif yang lebih ringan, kuat, dan ramah lingkungan dibandingkan beton konvensional atau GRC. Penelitian ini bertujuan untuk mengetahui karakteristik mekanik dan fisis komposit sandwich hybrid berbasis serat sabut kelapa, serat rami, serat E-glass, serta core kayu balsa. Komposit dibuat dengan metode hand lay-up dalam tiga variasi susunan lapisan skin. Pengujian dilakukan menggunakan uji impak (ASTM D6110), dan pengamatan foto makro dengan pembesaran 1x. Hasil uji impak, spesimen dengan susunan S-R-E-C-E-R-S menunjukkan nilai energi serap tertinggi sebesar 4,457 J dan ketangguhan impak 0,060 J/mm². Hasil pengamatan foto makro memperlihatkan kerusakan berupa fiber pull out, void, dan microcrack, yang paling sedikit dijumpai pada spesimen S-R-E-C-E-R-S. Hasil ini menunjukkan bahwa variasi susunan lapisan berpengaruh terhadap kekuatan mekanik komposit sandwich hybrid. Secara keseluruhan, variasi S-R-E-C-E-R-S efektif meredam tumbukan dan menjaga integritas struktur. Dengan demikian, komposit sandwich hybrid berpotensi sebagai material alternatif dinding bangunan yang ringan, kuat, efisien, dan ramah lingkungan. 
Peningkatan Perekonomian Warga Kurang Mampu melalui Pengadaan Tempat Usaha Kios Kelontong Adityo Noor Setyo Hadi Darmo; Nur Hayati; Faiz Listyanda
Jurnal Masyarakat Indonesia (Jumas) Vol. 3 No. 02 (2024): Jurnal Masyarakat Indonesia (Jumas)
Publisher : Cattleya Darmaya Fortuna

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.54209/jumas.v3i02.92

Abstract

The existence of home industry plays a very important role in empowering small and medium-sized communities so that they as business actors have independence and self-confidence in entrepreneurship to help the family economy. This Community Service aims to help increase the economic value of small business owners' families by providing kiosks as permanent business premises so that the layout and service are better and compared to previous kiosks/grocery stores which were managed conventionally. The service activities were carried out by the service team together with residents who live in the surrounding areas, starting with conducting site surveys, followed by procurement of row materials in the form of harbel, river sand, cement and lime. Carrying out activities in order to obtain optimal output results, during the activity process stages, assistance is provided with work by the service team starting from preparation for demolition, installation of building foundations, harbel walls, building framework to the finishing process. The impact of good cooperation between partners, the surrounding community and the service team can result in a permanent kiosk building that is suitable, safe and comfortable to be used as a grocery store business to meet the needs of the surrounding residents.
The Effect of Adding Teak Wood Powder to Brake Pad Composites on Wear and Impact Toughness Ahmad Alfito Dwi Mukti; Xander Salahudin; Sri Hastuti; Adityo Noor Setyo Hadi Darmo; Catur Pramono
Jurnal Rekayasa Mesin Vol. 21 No. 2 (2026): Volume 21, Nomor 2, August 2026
Publisher : Mechanical Engineering Department - Semarang State Polytechnic

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32497/jrm.v21i2.7428

Abstract

The growth of the automotive industry in Indonesia has increased the demand for vehicle components, particularly brake pads, which undergo frequent replacement and play a vital role in braking systems. Along with the expansion of the teak wood sawmilling industry, large quantities of teak wood sawdust waste are generated but have not yet been optimally utilized. This study aims to utilize teak wood sawdust waste as the primary reinforcing material in non-asbestos epoxy-matrix brake pad composites and to analyze the effect of composition variations on the mechanical properties of the composites. An experimental method was employed using variations in the composition of teak wood sawdust, brass powder, magnesium oxide, and epoxy resin, namely variation one 20%:20%:20%:40%, variation two 30%:15%:15%:40%, and variation three 40%:10%:10%:40%. The fabrication process included mechanical mixing, compaction under a pressure of 5 tons for 30 minutes, and sintering at a temperature of 150°C for 30 minutes. The testing consisted of an ogoshi wear test using commercial motorcycle brake pads as a comparison and a charpy impact test. The wear test results showed the highest wear value in variation one at 8.21 × 10⁻⁷ mm²/kg and the lowest in variation three at 4.59 × 10⁻⁷ mm²/kg, which is lower than that of the commercial brake pad at 6.748 × 10⁻⁷ mm²/kg. The charpy impact test results indicated that the impact toughness of the composites tended to increase with increasing teak wood sawdust fraction, with the highest value obtained in variation three at 0.082 J/mm² and an absorbed energy of 5.150 J. Therefore, variations in teak wood sawdust composition significantly affect the mechanical properties of non-asbestos brake pad composites.
Co-Authors Ahmad Alfito Dwi Mukti Catur Pramono Faiz Listyanda Nur Hayati Sri Hastuti Tardho Hakim Xander Salahudin