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All Journal Jurnal Online Mahasiswa (JOM) Bidang Teknik dan Sains Jurnal Teknologi AKSIOLOGIYA : Jurnal Pengabdian Kepada Masyarakat Seminar Nasional Teknologi Informasi Komunikasi dan Industri Dinamisia: Jurnal Pengabdian Kepada Masyarakat Automotive Experiences Journal of Ocean, Mechanical and Aerospace -science and engineering- (JOMAse)
Akbar, Musthafa
Universitas Riau
Aerospace Engineering Automotive Engineering Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Electrical & Electronics Engineering Energy Engineering Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mathematics Mechanical Engineering Social Sciences Other

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Journal : Automotive Experiences

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A Comparative Study of Winding Angle Configurations for Improved Crashworthiness in Hybrid Al/CFRP Crash Boxes Akbar, Musthafa; Dewi, Dyah Kusuma
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.14280

Abstract

This study investigates the crashworthiness performance of circular hybrid aluminum/carbon fiber reinforced polymer (Al/CFRP) crash boxes under dynamic axial impact, with particular focus on the influence of winding angle configurations. An explicit finite element model, validated against both experimental and numerical results from the literature, was developed using finite element software. The parametric analysis systematically varied CFRP winding angles from [±15°]₅ to [±85°]₅ in 10° increments and compared the outcomes with single and double cell aluminum crash boxes. Key crashworthiness indicators, including peak crushing force (PCF), mean crushing force (MCF), crushing force efficiency (CFE), stroke efficiency, and folding stability, were evaluated. The results reveal that hybridization significantly enhances load bearing capacity compared to conventional aluminum designs. Intermediate winding angles from 35 to 55 degrees yielded the best balance between PCF reduction, MCF enhancement, and stable progressive folding, with the [±45°]₅ configuration achieving the highest MCF and CFE, while [±35°]₅ minimized PCF. In contrast, winding angles greater than or equal to [±65°]₅ generated excessively high PCF, compromising occupant safety. The findings provide actionable insights for the design of hybrid crash boxes, demonstrating that optimized fiber orientation can advance crashworthiness beyond current aluminum or narrow angle hybrid configurations.
Co-Authors , Yohanes Alfakhri Biranda Anuar, Kaspul April Yando ARI SETIAWAN Asral, Asral Awaludin Martin Cupu, Dedi Rosa Putra Dyah Kusuma Dewi Feblil Huda Gun Faisal Herisiswanto Herisiswanto Herisiswanto Herisiswanto Herisiswanto Herisiswanto Idznur Rizky Muhammad Imam Nugraha Juliandi Ashari M. Faisal M. Ferdiman Setepu N. Nazaruddin Nazaruddin Putrawani, Eky Rachman Setiawan Reysca Admi Aksa, Reysca Admi Romi Saputra, Ariadi Saputra, Ariadi Somadona, Sonia Sukma Aditya Syafri Syafri Syafri, Syafri Vicry Darmawan Wahyu Yustyanto Warman Fatra, Warman Yohanes