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All Journal Jurnal Teknik Mesin
Muhammad Fitri
Mercu Buana University
Aerospace Engineering Automotive Engineering Chemical Engineering, Chemistry & Bioengineering Mechanical Engineering

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Review of the Utilization of Natural Fibers and Polylactic Acid for Composite Manufacturing Akhmad Andriyan Nugroho; Muhammad Fitri
Jurnal Teknik Mesin (Journal Of Mechanical Engineering) Vol. 15 No. 01 (2026)
Publisher : Universitas Mercu Buana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22441/jtm.v15i01.36560

Abstract

Composites made from polylactic acid (PLA) and natural fibers offer a sustainable alternative material that is biodegradable and derived from renewable sources. This review journal examines processing techniques, types of material testing, and the enhancement of the capabilities of natural fiber PLA composites to determine their potential applications as a substitute for conventional materials. From existing research journals discussing PLA and Natural Fiber-based composite materials with applications in various sectors, such as automotive, manufacturing and healthcare, it is known that the commonly used processing techniques are hot pressing and vacuum bagging to produce homogeneous fiber distribution and strong matrix-fiber bonds. Material testing is carried out through tensile tests, elastic modulus, and elongation to evaluate the mechanical properties of the composites. The results also show an increase in mechanical ability of 25-35% compared to pure materials, with fiber surface modification that can improve interfacial adhesion. PLA and natural fiber composites provide a sustainable material solution with competitive mechanical performance. Further research is needed to develop environmentally friendly fiber surface modification methods and scalable manufacturing techniques to expand industrial applications.
Review of Natural Fiber Reinforced Epoxy Resin Composite Materials for Automotive Component Applications Suharmadi - Suharmadi; Muhammad Fitri
Jurnal Teknik Mesin (Journal Of Mechanical Engineering) Vol. 15 No. 01 (2026)
Publisher : Universitas Mercu Buana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22441/jtm.v15i01.36798

Abstract

Epoxy resin is a thermosetting polymer widely used in composite materials due to its high mechanical strength, excellent chemical resistance, and strong adhesion. In composite structures, epoxy acts as a matrix that binds and protects the reinforcing fibers while transferring loads between components. The reinforcing fibers may be synthetic (e.g., fiberglass, carbon) known for their high tensile strength, or natural fibers (e.g., kenaf, ramie), which offer advantages in sustainability and low weight. With the growing demand for lightweight, efficient, and environmentally friendly automotive materials, epoxy-based composites show significant potential for use in body panels, interior parts, and structural vehicle components. However, challenges remain, such as poor interfacial bonding between epoxy and natural fibers, thermal degradation, and relatively high production costs. This study aims to systematically review current research trends, applications, and research gaps in the development of epoxy resin composites for automotive components, particularly those reinforced with natural fibers. The method used is a Scoping Review based on the PRISMA-ScR framework, covering 50 scientific articles published between 2015 and 2025. The results indicate that kenaf, ramie, and jute fibers have strong potential as sustainable reinforcements, although improvements in interfacial compatibility and processing technology are still critical. The study implies the importance of advancing bio-based epoxy resins, hybrid manufacturing techniques, and the utilization of local natural fibers as part of a sustainable automotive strategy
Co-Authors Akhmad Andriyan Nugroho Suharmadi - Suharmadi