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All Journal Jurnal Teknik Mesin Turbo : Jurnal Program Studi Teknik Mesin Jurnal Elementer (Elektro dan Mesin Terapan) Angkasa: Jurnal Ilmiah Bidang Teknologi Vocatech : Vocational Education and Technology Journal International Journal of Aviation Science and Engineering Jurnal Rekayasa, Teknologi, dan Sains Jurnal Abdi Masyarakat Saburai (JAMS) Buguh: Jurnal Pengabdian Kepada Masyarakat Journal of Applied Science, Engineering and Technology (J. ASET) Lamahu: Jurnal Pengabdian Masyarakat Terintegrasi Electrician : Jurnal Rekayasa dan Teknologi Elektro JEECS (Journal of Electrical Engineering and Computer Sciences) Jurnal Bakti Masyarakat Manajemen Jurnal Polimesin Journal of Physical Education Health and Sport
Ibrahim, Fauzi
Department Of Mechanical Engineering, Faculty Of Engineering, University Of Malahayati, Bandar Lampung, 35143, Lampung, Indonesia
Aerospace Engineering Humanities Automotive Engineering Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Earth & Planetary Sciences Economics, Econometrics & Finance Education Electrical & Electronics Engineering Engineering Environmental Science Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Materials Science & Nanotechnology Mechanical Engineering Social Sciences Transportation Other

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Optimization of Environmentally Friendly Material Selection for Automotive Mechatronics Components Using LCA Data and Multi‑Criteria Decision Making (MCDM) Ibrahim, Fauzi; Marjuni, Teuku; Febrina, Rina; Oktarina, Devi; Natalina, Natalina; Ergantara, Rani Ismiarti; Sulistyaningrum, Diah Ayu Wulandari
JEECS (Journal of Electrical Engineering and Computer Sciences) Vol. 10 No. 2 (2025): JEECS (Journal of Electrical Engineering and Computer Sciences)
Publisher : Fakultas Teknik Universitas Bhayangkara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.54732/jeecs.v10i2.8

Abstract

The automotive industry faces an increasing demand for sustainable material selection as mechatronic components become more widespread in electrified vehicles. However, data-driven material selection approaches that simultaneously integrate environmental, economic, and technical criteria without laboratory experiments remain underdeveloped. This study addresses this gap by developing a computational framework that combines Life Cycle Assessment (LCA) with a Multi-Criteria Decision-Making (MCDM) approach, specifically the Technique for Order Preference by Similarity to Ideal Solution (TOPSIS) method, using Analytical Hierarchy Process (AHP)–based weights. The framework enables a transparent and reproducible evaluation of environmentally friendly materials for automotive mechatronic components. A case study on an actuator housing evaluates seven material alternatives: Al 6061 (die-cast), recycled Al (die-cast), Mg AZ91 (die-cast), PA6-GF30 (injection), PBT-GF30 (injection), PA12 (SLS 3D print), and bio-based PBT-GF30 (injection). The criteria include total global warming potential (GWP), cumulative energy demand (CED), water use, recyclability, cost, mass, stiffness index, thermal conductivity, and supply risk. Results show that recycled aluminum achieves the highest ranking (closeness coefficient = 0.939), followed by Al 6061 (0.727) and Mg AZ91 (0.547). A Monte Carlo analysis with 1,000 iterations confirms that recycled aluminum consistently remains the best option with 100% robustness under varying weighting conditions. The proposed workflow is replication-ready and can be directly integrated with established LCA databases such as GREET, Ecoinvent, or EPD, enabling engineers to perform sustainable and quantitative material decisions using only data and computational analysis.
Life Cycle Assessment (LCA) of Natural Fiber Reinforced Polymer Composites for Automotive Interior Panels: A Comparative Study vs. Glass Fiber Composites Ibrahim, Fauzi
Jurnal Rekayasa Teknologi dan sains Vol 10, No 1 (2026): Jurnal Rekayasa, Teknologi, dan Sains
Publisher : Fakultas Teknik Universitas Malahayati

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33024/jrets.v10i1.24960

Abstract

The growing demand for lightweight and sustainable vehicles is accelerating the adoption of fiber reinforced polymer composites, including natural fiber reinforced polymer (NFRP) systems for interior components. However, environmental benefits are highly dependent on resin selection, manufacturing route, transport distances, and end of life scenarios. This study presents a cradle to grave Life Cycle Assessment (LCA) comparing NFRP and conventional glass fiber reinforced polymer (GFRP) for an automotive interior panel application. A functional unit is defined as one interior panel meeting equivalent stiffness and service life requirements, enabling fair comparison between materials with different fiber density and specific mechanical performance. Life cycle inventory data are compiled from peer reviewed literature and established LCA databases, covering raw material extraction (natural fibers and glass fibers), polymer matrix production, compounding and forming processes, use phase considerations (mass related fuel/energy penalties where applicable), and end of life scenarios including landfill, incineration with energy recovery, and emerging recycling pathways. Environmental impacts are quantified using midpoint indicators (e.g., global warming potential, cumulative energy demand, acidification, eutrophication, and human toxicity), and uncertainty is addressed via sensitivity analysis on key parameters such as fiber content, resin type (petro based vs. bio based), regional electricity mix, and transportation assumptions. The results are expected to identify dominant “hotspots” across the value chain and to clarify conditions under which NFRP offers measurable reductions in greenhouse gas emissions and energy demand relative to GFRP, while also highlighting trade offs related to land use, eutrophication, and end of life emissions. The findings provide design relevant guidance for material selection and process optimization toward lower impact composite interior parts aligned with circular economy strategies.
Co-Authors A.Yudi Eka Risano Adi Prasetyo Adi Prasetyo Adi Prastyo Agus Apriyanto Agus Sugiri Ahmad Riszal Ahmad Riszal Ahmad Yonanda Ahmad Yonanda Akbar Husni Harun, Muhammad Akhmad Jayadi Alansori, Apip Alexander Sembiring Amrizal Amrizal Anang Ansyori Apriyanto, Agus Arif Maulana Arifin Kusumo Wicaksono Atmoko, Ignatius Bayu Bayu Wibowo Dalimunthe, Ernando Rizki Diah Ayu Wulandari Sulistyaningrum Dian Pratiwi Djuansjah, Joy Rizki Pangestu Efriyo Hadi, Agung Eko Yohanes Emy Khikmawati Ergantara, Rani Ismiarti Ermasari, Anissa Febrihadi, Ahmad Fauzan Fethma M Nor Hadi, Agung Efriyo Harmen Harmen Harmen Harmen Harnowo Supriadi, Harnowo Ignatius Bayu Atmoko Irza Sukmana Irza Sukmana Irza Sukmana Irza Sukmana, Irza Jasmawati, Noor Joy Rizki Pangestu Djuansjah Lestari Wibowo Lukito Dwi Yuono Luthfi, Muhamamad M. Rangga Saputra Mahruri Arif Wicaksono Marcelly Widya Wardana Marjuni, Teuku Marsyad, Hardoyo Mohammad Badaruddin Mulyana Murti, Adam Wisnu Nafrizal Nanda Agustin, Silvia Natalina Natalina Novia Utami Putri Nugraha, Nurcahya Oktarina, Devi Pranita, Elka Prastyo, Adi Ramadhan Oktaviansyah, Raffi Retno Wahyudi Rina Febrina, Rina Riszal, Ahmad Riszal, Akhmad Rizal Adi Saputra Sagitarius Sembiring, Alexander SUGIYANTO Sugiyanto - Sugiyanto Sugiyanto Tarkono Tarkono Tri Cahyo Wahyudi Tumpal Ojahan Rajagukguk Wahyu Wahyu Wahyudi, Retno Winarno, Rudi Yadi Sunaryadi Yanuar Burhanuddin Zulhanif