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All Journal Jurnal Rekayasa Mesin Automotive Experiences Multidisciplinary Innovations and Research in Applied Engineering
Nugroho, Kacuk Cikal
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Aerospace Engineering Automotive Engineering Chemical Engineering, Chemistry & Bioengineering Computer Science & IT Control & Systems Engineering Electrical & Electronics Engineering Energy Engineering Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mechanical Engineering

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Pendekatan Quality Function Deployment dengan House of Quality untuk Menganalisis Mutu Produk: Studi Kasus Radiator Cover Merek ARM Lutanto, Agus; Sakarinto, Wikan; Maula, Mohamad Izzur; Nugroho, Kacuk Cikal; Hilmy, Fuad
Jurnal Rekayasa Mesin Vol. 20 No. 1 (2025): Volume 20, Nomor 1, April 2025
Publisher : Mechanical Engineering Department - Semarang State Polytechnic

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32497/jrm.v20i1.6198

Abstract

Persaingan di industri otomotif menuntut peningkatan kualitas produk untuk memenuhi kebutuhan pelanggan.Penelitian ini menganalisis kualitas radiator cover merek ARM dengan pendekatan Quality Function Deployment(QFD) dan House of Quality (HoQ). Data diperoleh melalui survei terhadap 30 konsumen yang telah menggunakanproduk selama lebih dari enam bulan, serta wawancara dengan produsen dari divisi research and development (R&D)dan produksi. Matriks HoQ digunakan untuk menerjemahkan kebutuhan pelanggan menjadi spesifikasi teknis produk.Hasil penelitian menunjukkan bahwa desain produk (19%), material berkualitas (16%), variasi warna (16%), dankeseimbangan harga-kualitas (16%) merupakan prioritas utama dalam pengembangan produk. Dibandingkan dengankompetitor, produk ARM menunjukkan keunggulan dalam aspek desain dan kualitas material. Penelitian inimemberikan rekomendasi strategis bagi produsen untuk mengembangkan produk secara berkelanjutan yang lebihsesuai dengan kebutuhan pasar, serta memperkuat posisi kompetitifnya di industri otomotif nasional
Influence of Carbonyl Iron Particles on the Structural and Mechanical Performance of Magnetorheological Elastomers Nugroho, Kacuk Cikal
Multidisciplinary Innovations and Research in Applied Engineering Vol. 1 No. 1 (2024)
Publisher : Akademi Inovasi Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.70935/4v17g706

Abstract

This study investigates the effects of different types of carbonyl iron particles on the structure and performance of magnetorheological elastomers (MREs). Employing various experimental methodologies, including frequency and strain-dependent testing, the mechanical performance of both anisotropic and isotropic MREs was analyzed. Results indicate that the spatial location of particle chains, frequency, dynamic strain amplitude, and prestrain substantially influence the MREs' mechanical behavior. Special focus was given to the integration of nanoparticles, which significantly enhanced performance metrics. Comparisons were made between MREs based on epoxy, silicone rubber, and polyurethane/Si-rubber hybrids, emphasizing their rheological and morphological properties post-natural weathering in a tropical climate. Additionally, the study highlights the potential applications of MREs in automotive components and sensor technologies, with particular attention to the magnetic and mechanical properties mediated by the inclusion of carbon black and cobalt. The findings provide a comprehensive understanding of the adaptive magnetoelastic characteristics of MREs, contributing to their development and deployment in various smart material applications.
The Influence of Hard and Soft Magnetic Nanoparticle Additives in Magnetorheological Fluids on the Performance of Magnetorheological Dampers for Motorcycle Arifin, Rahmad Rizki Nur; Lenggana, Bhre Wangsa; Ubaidillah, Ubaidillah; Bahiuddin, Irfan; Nugroho, Kacuk Cikal; Imaduddin, Fitrian; Mazlan, Saiful Amri; Turnip, Arjon
Automotive Experiences Vol 9 No 1 (2026): Issue in Progress
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.14527

Abstract

Magnetorheological Fluids (MRFs) are widely utilised in semi-active suspension systems due to the ability to dynamically alter their viscosity. The frequently issue in the application of MRFs are sedimentation and aggregation stability. To address this issue, the MRFs have been modified by incorporating hard and soft magnetic nanoparticles. The MRFs investigated were MRF-carbonyl iron powder (CIP), MRF-CIP+cobalt ferrite (CoFe2O4), and MRF-CIP+manganese ferrite (MnFe2O4). The objective of this work is to evaluate the performance of these MRFs to implement the results to motorcycle dampers. To ascertain the MRFs’ magnetic properties and viscosity (η), vibrating sample magnetometer (VSM) and rheometer testing were conducted, respectively. The performance of magnetorheological valve (MRV) was analysed using finite element method magnetics (FEMM) simulations with variations in fluid gaps and types of MRFs. The results indicated that the MRV design with a fluid gap of 0.9 mm, utilizing MRF-CIP+CoFe2O4, exhibited an appropriate combination to fulfil the damping force (Fd) requirements of the motorcycle suspension system. The damping force varied from 0.941 to 3.858 kN, indicating a growth of around 310%. This study demonstrates that the proposed MRV design and the modification of MRFs could enhance the performance of the motorcycle damping system, as evidenced by the experimental and simulation results. The house of quality (HoQ) demonstrates that the proposed magnetorheological damper (MRD) is significantly superior to its competitors in effectively fulfilling customer requirements and expectations.
Co-Authors Arifin, Rahmad Rizki Nur Arjon Turnip Bahiuddin, Irfan Fuad Hilmy Imaduddin, Fitrian Lenggana, Bhre Wangsa Lutanto, Agus Mazlan, Saiful Amri Mohamad Izzur Maula Ubaidillah Ubaidillah Wikan Sakarinto