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All Journal Malikussaleh Journal of Mechanical Science Technology
S, Syahri
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Automotive Engineering Control & Systems Engineering Engineering Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mechanical Engineering

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The Influence of Compositional Variations in Kecombrang (Etlingera elatior) Stem Fiber and Epoxy Resin on Impact Strength: Pengaruh Variasi Komposisi Serat Batang Kecombrang dan Resin Epoxy terhadap Ketahanan Impak S, Syahri; Safriwardy, Ferri; Putra, Reza; Muhammad; Islami, Nurul
Malikussaleh Journal of Mechanical Science and Technology Vol. 9 No. 2 (2025): Malikussaleh Journal of Mechanical Science and Technology (MJMST)
Publisher : E-Journal Universitas Malikussaleh

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29103/mjmst.v9i2.26252

Abstract

This research aims to evaluate the effect of variations in fiber type and volume fraction of torch ginger (kecombrang) stem fibers on the impact toughness of epoxy resin-based composite materials. The method used in the composite fabrication process was the Hand Lay-Up technique. Based on the test results using the Charpy Impact method, the first specimen—with a volume fraction composition of 70% torch ginger stem fiber and 30% epoxy resin—demonstrated the highest energy absorption capacity at 11.513 Joules. The second specimen, consisting of 65% torch ginger stem fiber and 35% epoxy resin, produced an energy absorption of 10.294 Joules, slightly lower than the first specimen. Meanwhile, the third specimen recorded the lowest energy absorption at 9.511 Joules with a composition of 60% torch ginger stem fiber and 40% epoxy resin, indicating that this specimen possesses the lowest impact toughness among the three tested configurations.
Co-Authors Ferri Safriwardy Muhammad Nurul Islami, Nurul Putra, Reza