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All Journal Mechatronics, Electrical Power, and Vehicular Technology Jurnal Bahan Alam Terbarukan Majalah Ilmiah MOMENTUM AJIE (Asian Journal of Innovation and Entrepreneurship) OPERATION EXCELLENCE: Journal of Applied Industrial Engineering Jurnal Rekayasa Mesin Mechanical Engineering for Society and Industry Automotive Experiences jes Advance Sustainable Science, Engineering and Technology (ASSET)
Siregar, Januar Parlaungan
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Aerospace Engineering 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 Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mechanical Engineering Transportation

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Journal : Automotive Experiences

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Characteristics of Natural Fiber Composites Materials Reinforced with Aluminum and Copper Powder for The Performance of Automatic Motorcycle Clutch Pad Riyadi, Riyadi; Kholil, Ahmad; Siregar, Januar Parlaungan; Dwiyati, Siska Titik; Pratama, Danang Budi; Setiawan, Ari; Syaefudin, Eko Arif
Automotive Experiences Vol 6 No 2 (2023)
Publisher : Automotive Laboratory of Universitas Muhammadiyah Magelang in collaboration with Association of Indonesian Vocational Educators (AIVE)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31603/ae.8878

Abstract

Currently, research on natural fiber composites (NFC) for automotive applications has attracted the attention of researchers and academics. Natural fibers such as coconut fiber and wood powder are mixed with metal materials such as aluminum and copper to obtain the composite characteristics of automatic motorcycle clutch pad materials. Coconut fiber and wood powder are suitable natural materials for composites and are easily obtained from waste. Natural fiber materials with metal reinforcement into composites are expected to produce materials suitable for friction materials such as clutch pads and brake pads with a good characteristic. This study aims to determine the characteristics of the coefficient of friction, wear, and hardness of NFC materials reinforced aluminum and copper powder for the performance of automatic motorcycle clutch pads. Experiments were carried out on various compositions of aluminum and copper powder. Tribometer testing was carried out to determine the friction coefficient and wear. Hardness testing using the Vickers method and testing the performance of automatic motorbikes with a chassis dyno test. The results show that the performances of the clutch pad with NFC-reinforced aluminum and copper show power and torque results that resemble the performances of genuine part materials in each operating cycle. The value of friction coefficient, wear, and hardness of this material are a value close to that of a genuine part clutch pad material. The improved performance of this material is expected to be considered in the manufacture of future clutch pads.
A Study on Characteristics of Brake Pad Composite Materials by Varying the Composition of Epoxy, Rice Husk, Al2O3, and Fe2O3 Khafidh, Muhammad; Putera, Finny Pratama; Yotenka, Rahmadi; Fitriyana, Deni Fajar; Widodo, Rahmat Doni; Ismail, Rifky; Irawan, Agustinus Purna; Cionita, Tezara; Siregar, Januar Parlaungan; Ismail, Nur Hidayah
Automotive Experiences Vol 6 No 2 (2023)
Publisher : Automotive Laboratory of Universitas Muhammadiyah Magelang in collaboration with Association of Indonesian Vocational Educators (AIVE)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31603/ae.9121

Abstract

The use of composite materials in brake pads is becoming increasingly popular due to their high-performance characteristics, including good thermal stability, high wear resistance, and low noise generation. However, the development of new composite materials that offer even better performance is still an ongoing research area. In this study, the composite was made by hand layup method using epoxy resin as matrix material, with rice husk, Al2O3, and Fe2O3 as reinforcing materials. The composition of the composites was varied by changing the percentage of the reinforcement materials. The composites were then subjected to several characterization tests, including density, hardness, flexural strength, thermal analysis, Scanning Electron Microscopy (SEM), TGA/DSC, and wear testing. The test results showed that additional reinforcement materials to the epoxy resin matrix improved the mechanical properties of the composites. Overall, the study demonstrates that a hand layup method is a viable approach for preparing brake pad composite materials and that the addition of rice husk, Al2O3, and Fe2O3 can improve the mechanical properties of the composites. The best properties produced in this research were found in one of the specimens which used epoxy, rice husk, Al2O3, and Fe2O3 with a composition of 50 wt.%, 20 wt.%, 15 wt.%, and 15 wt.%. However, the addition of rice husk also provides wear resistance and thermal stability. This study contributes to the Sustainable Development Goals (SDGs) by advancing innovation, promoting sustainability, and reducing emissions in automotive industry applications.
Comparative Mechanical and Thermal Properties of Epoxy Matrix Composite Reinforced with Coco Peat and Coconut Shell Charcoal Fillers for Automotive Brake Friction Applications Imran, Al Ichlas; Endriatno, Nanang; Siregar, Januar Parlaungan; Rejab, Mohd Ruzaimi Mat; Wibowo, Sambodo Arif; Cionita, Tezara; Fitriyana, Deni Fajar
Automotive Experiences Vol 8 No 3 (2025)
Publisher : Automotive Laboratory of Universitas Muhammadiyah Magelang in collaboration with Association of Indonesian Vocational Educators (AIVE)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31603/ae.14131

Abstract

Developing epoxy-based composites reinforced with natural materials has become a significant concern in supporting friction materials and sustainable automotive industries. Coco peat and coco shell charcoal are coconut wastes that have the potential as natural fillers to support the mechanical properties of friction material composites while supporting the reduction of biomass waste. This study aims to evaluate the effect of weight fraction variation of coco peat and coco shell charcoal on composite mechanical and thermal properties. Specimens were prepared using the hand lay-up method with 5%, 10%, and 15% filler weight fractions. Mechanical tests were conducted, including tensile test, bending test, Rockwell hardness, and Charpy impact. Results show that the addition of 5% coco peat increased the tensile strength to 28.36 MPa and impact strength to 123.33 J/m², while coco shell charcoal at 10% recorded the highest flexural strength of 36.10 MPa and hardness of 93.66 HRB. However, increasing the filler concentration caused a decrease in tensile and impact strength due to the formation of voids, agglomeration, and micro-cracks. These findings confirm that coco peat is effective for tensile and impact strengthening at low fractions. In contrast, coco shell charcoal improves flexural strength and produces higher hardness values than the commercial brake pad product (59.59-66.90 HRB). Furthermore, the composite with 5% coco shell charcoal showed good thermal stability with a final residue value of 3.83%. Further studies can focus on surface modification of fillers, hybrid composites, and evaluation of tribological properties and the environment to promote applications in the automotive industry sector.
Co-Authors Admoko, Mohammad Rizky Djati Agustinus Purna Irawan Ahmad Athoillah Ahmad Kholil Akhmad Fauzi Aldias Bahatmaka Alrasyid, Mochamad Dzaki ARHAMI Ari Setiawan Aripin, Muhammad Bustanul Atanasius Priharyoto Bayuseno Bachtiar, Dandi Bagastomo, Riondityo Soni Chusni Ansori Cionita, Tezara Dimyati, Saeful Dwiyati, Siska Titik Ekayuliana, Arifia Etanto Heiliano Wijayanto Fardinansyah, Akmal Putra Fitriyana, Deni Fajar Gunawan Refiadi, Gunawan Guteres, Natalino Fonseca Da Silva Guterres, Natalino Fonseca Da Silva Hadi, Agung Efriyo Iis Siti Aisyah Imran, Al Ichlas Iqbal, Mohd Ismail, Nur Hidayah Ismoyo Haryanto Istiqomah, Alfiana Fitri Jamiluddin, Jamiluddin JOHNSON SIALLAGAN Joni Junaedi, Thomas Kalatharan, Sujentheran Nair Kano, Christina Paulina Kriswanto Kriswanto, Kriswanto Manalu, Janviter Marthen Liga Masri Mat Rejab, Mohd Ruzaimi Mat Rejab, Mohd. Ruzaimi Meiartha, REGA Mohd Ruzaimi Mat Rejab Muhammad Khafidh Muhibbuddin Muji Setiyo Nanang Endriatno Nursafitri, Murti Ayu Pither Palamba Pramesti, Santinia Andiva Prasetyo, Ares Yudi Pratama, Danang Budi Pratama, Hafiidz Satria Prayogo, Wisnu Puspitasari, Windy Desti Putera, Finny Pratama Ramdhan Halid Siregar Rejab, Mohd Ruzaimi Mat Rifky Ismail Rosyidi, Edwar Rozanna Dewi Rusiyanto, R. Saifuddin Muhammad Jalil Sambodo Arif Wibowo Samsudin Anis Setiadi, Rizki Setiawan, Rohmat Silva, Mateus De Sousa Da Sudiyono, S. Sugihartanti, Noviani Putri Suhaeri Sulistyo Sulistyo Syaefudin, Eko Arif Tengku Riza Zarzani N Tezara Cionita Uniplaita, Tiper Korneles Muwarberto Wibisono, Aprianto Wibowo, Muhammad Errizky Wijayanto, Etanto Heiliano Wisnu Prayogo Yabansabra, Yuliana Ruth Yotenka, Rahmadi Yuris Setyoadi Zulfadhli