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Pengaruh Penambahan Variasi Fraksi Massa Serbuk Cangkang Kelapa Sawit (PKS) pada Sifat Mekanis Komposit Hibrid Fiberglass–Epoxy Vina Nanda Garjati; Rizkia, Vika; Purnama, Dewin; Rahmiati, Tia; Shomami, Amalina
INSOLOGI: Jurnal Sains dan Teknologi Vol. 5 No. 2 (2026): April 2026
Publisher : Yayasan Literasi Sains Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55123/insologi.v5i2.7924

Abstract

The demand for renewable energy sources in Indonesia continues to rise in line with national energy transition efforts. Wind energy represents a significant but underutilized potential, yet its development is hampered by high investment costs, particularly in manufacturing wind turbine blades that rely on expensive composite materials. This research aims to identify more economical and sustainable material alternatives without compromising the necessary mechanical strength. Hybrid composites were developed by combining fiberglass and palm kernel shell (PKS) powder as reinforcement within an epoxy matrix. Variations of PKS addition were set at 12 wt.%, 20 wt.%, and 24 wt.%. Flexural test results indicated that PKS addition significantly influenced flexural strength, with the highest value (169.67 MPa) observed in specimen A3 (12 wt.% PKS) and the lowest (58.74 MPa) in specimen A1 (24 wt.% PKS). Shore D hardness testing revealed a complex trend: specimen A4 (30% fiberglass) exhibited the highest hardness, whereas specimen A2 showed the lowest. These findings underscore the importance of balancing fiberglass and PKS proportions to achieve optimal and sustainable mechanical performance.
Co-Authors Anugrah, Debby Laksana Apriyan, Agung Slamet Fuad Zainuri, Fuad Garjati, Vina Nanda Hamzah, Rizal Nurdian Herry Oktadinata Hidayat Tullah, Muhammad Hindami, Fahrizan Imam Iwan Susanto Muslimin Muslimin Noval, Rahmat Nur Citra Wahyudianti Patricia Laetitia Rahmat Subarkah Rahmiati, Tia Ramiati, Tia Rochsigit Nugroho Ryan Nugraha Seto Tjahyono Shomami, Amalina Sonki Prasetya Vika Rizkia Vina Nanda Garjati Widiyatmoko Winarto Winarto Zulfikar Mutaqin