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Ferri Safriwardy
Universitas Malikussaleh
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Variations in the volume fraction of hybrid composites reinforced with bamboo fiber and fiber-glass fiber influence the Tensile and Impact tests Yasir Amani Yasir Amani; Ferri Safriwardy; Akbar Gultom; Faisal Muhammad Nur; Heindrix Hidayat
Journal of Mechanical Engineering and Fabrication Vol. 3 No. 1 (2026): Maret
Publisher : Journal of Mechafa Engineering and Fabrication

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.64273/jmef.v3i1.30

Abstract

This research is to create a prototype plastic composite reinforced with bamboo fiber and fiber-glass with variations in volume fraction 25% SB : 25% FG, 35% SB : 15 % FG and 40% SB: 10% FG, the fiber layer types are arranged in the longitudinal direction (0°) with random laminate orientation, for the matrix using BTQN 157 EX polyyester resin. test specimens using the hand lay up method. Composite testing is in the form of Tensile testing referring to Standard ASTM D638-14 and Impact Testing referring to ASTM D6110-10 using the charpy method. The results in the optimal tensile test were greatest at a volume fraction of 40% SB :15% FG with an average tensile strength value of  = 80.907 MPa, strain ϵ = 2.53% and elastic modulus E = 31.96 MPa. The lowest tensile strength is at a  volume fraction of 35% SB:10% FG with an average value of σ =75.552 Mpa. strain ϵ = 2.09 % and elastic modulus 36.01 MPa. In the charpy impact test, the highest volume fraction was at 35% SB :15% FG with impact strength (HI) = 0.83 .  Absorbed energy (EI) = 46.73 Joules. The lowest impact strength is at a volume fraction of 35% :15% with impact strength (HI) = 0.24 . Absorbed energy (EI) = 30.94, However volume fraction 40%:10% Impact Strength (HI) = 0.79 .  However, the highest absorbed energy (EI) = 64.16 Joules. The observation results show that the fiber volume is good at a percentage of 40% SB with 15% FG suitable for combining as an alternative tensile material. To observe the fracture results of the Impact test specimen, pull-out fiber was found. However, composites reinforced with bamboo fiber have strong enough capabilities for manufacturing product applications   
Optimization of Tensile Strength in Pineapple Leaf Fiber Composites: A Study of Fiber Volume Fractions with Clear Polyester Resin Fatimah Zahra; Ferri Safriwardy; Muhammad Habibi; Zulmiardi Zulmiardi; Muhammad Nuzan Rizki
Electronic Journal of Education, Social Economics and Technology Vol 6, No 2 (2025)
Publisher : SAINTIS Publishing

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33122/ejeset.v6i2.1086

Abstract

The utilization of pineapple leaf fiber is still relatively small, only used as a basic material for various types of furniture products, fabrics for fashion products, crafts and composites as forming materials. This study aims to analyze the tensile strength of pineapple leaf fiber composites with variations in volume fractions using clear polyester resin. In this study, composites were made using three different volume fractions, namely 60% fiber: 40% resin, 70% fiber: 30% resin, and 85% fiber: 15% resin. After the test specimen manufacturing process, the specimens were then tested for tensile strength on each volume fraction. The results of this study indicate variations in tensile strength on each volume fraction used, where using a volume fraction of 85% fiber: 15% resin produces higher tensile strength compared to the volume fraction of 60% fiber: 40% resin and 70% fiber: 30% resin. Pineapple leaf fiber reinforced composites with variations in the volume fraction of pineapple leaf fiber 60%: resin 40%, pineapple leaf fiber 70%: resin 30%, and pineapple leaf fiber 85%: resin 15%. From the percentage variations, the highest tensile strength is in pineapple leaf fiber 85%: resin 15% with an average value of 105.69 MPa, elastic modulus strength of 1571 MPa, and elongation of 6.74%. While the lowest tensile strength value is in pineapple leaf fiber 60%: resin 40%, with an average value of 74.30 MPa, elastic modulus strength of 1231 MPa, and elongation of 6.04%, it can be concluded that the higher the percentage of fiber, the higher the tensile strength value. Variations in the volume fraction of pineapple leaf fiber can affect the mechanical properties of clear polyester resin composites. The composite strength value often increases with the increase in the fiber volume fraction. However, a high fiber volume fraction does not always have a good effect on the strength of the composite. The strength of the composite is not only influenced by the number of fibers but is also influenced by the binding factor, namely the matrix.
Co-Authors -, Meriatna - Abdul Rahman Akbar Gultom ARDIANSYAH ARDIANSYAH Auliani Auliani Auliani Auliani, Auliani Banta Cut Budi Istana Dabet, Abubakar Dalimunthe, Khanisya Ratu Asva Daniel, Muhammad Dewi, Rozanna - Faisal Faisal Faisal Faisal Fatiha Lubis, Rabitha Canny fatimah Fatimah Fatimah Zahra Fonna, Syarizal Gultom, Akbar Hasfita, Fikri - Heindrix Hidayat Hery Widijanto Iis Marsithah Ikramullah, Firza Ismadi Ismadi Jalaluddin Kamar, Iqbal Leni Maulinda, Leni Marwan Marwan Masrullita Masrullita Masrullita Masrullita, M Masrullita, Masrullita Maulida, Muhammad Hashemi Meriatna Meriatna Miko, Riyandi Mutuah Muhammad Muhammad Habibi Muhammad Habibi Muhammad Nur Muhammad Nuzan Rizki Muhammad Nuzan Rizki Muhammad Sayuthi Muhammad Yusuf Muhammad Zulfri Nasrah, Sayni Novi Sylvia Nurlaila, Rizka Nurul Islami, Nurul Putra, Reza Rafli, Muhammad Rahma Yanti Rizka Nurlaila S, Syahri Salsabil, Safyra Qathrunnada Simbolon, Muhammad Iqbal Siraj Siraj Siraj Siswahyudianto Suryadi Suryadi Suryati Suryati Suryati Suryati Suryati Syamsiar, Syamsiar Syifaul Huzni Sylvia, Novi - Taufiq Taufiq Tiara Rozah Wansah, Zul Wusnah Wusnah, Wusnah Yasir Amani Yasir Amani Yogi Ardhika Wijaya Zainuddin Ginting Zulmiardi, Zulmiardi