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All Journal International Journal of Power Electronics and Drive Systems (IJPEDS) Al-Fiziya: Journal of Materials Science, Geophysics, Instrumentation and Theoretical Physics Jurnal Teknik Mesin ARSY : Jurnal Aplikasi Riset kepada Masyarakat Journal of Metallurgical Engineering and Processing Technology Teknika STTKD: : Jurnal Teknik, Elektronik, Engine Journal of Applied Mechanical Engineering and Renewable Energy (JAMERE)
Ferry Setiawan
Sekolah Tinggi Teknologi Kedirgantaraan
Aerospace Engineering Agriculture, Biological Sciences & Forestry Humanities Automotive Engineering Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Earth & Planetary Sciences Electrical & Electronics Engineering Energy Engineering Environmental Science Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mechanical Engineering Physics

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Journal : Journal of Metallurgical Engineering and Processing Technology

 1 
The Influence of Stirring Speed on Tensile strength of Fiberglass Composite using VARI Method Farhan Rasyid Hidayat; Ferry Setiawan; Dhimas Wicaksono
Journal of Metallurgical Engineering and Processing Technology Vol 4, No 1 (August 2023)
Publisher : UPN "Veteran" Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31315/jmept.v4i1.10414

Abstract

This study investigates the influence of stirring speeds variation (50 rpm, 100 rpm, and 150 rpm) on  tensile strength of fiberglass composite  fabricated by  Vacuum Assisted Resin Infusion (VARI) method. The VARI process involves injecting resin into dry fibers placed inside a plastic bag under low pressure, ensuring complete wetting of the fibers. The research aims to identify the optimal stirring speed for composite production by performing tensile tests. Results show that the stirring speed of 150 rpm yields the highest tensile strength, while the 50 rpm variation exhibits the lowest. Photomicrographs reveal the presence of voids in certain area , impacting composite density. The study concludes that stirring speed significantly affects tensile strength and density.
Analysis Of Tensile Strenghth Coconut Coir Fiber Composit Using The Vaccum Bagging Method Zaqi Arya Zullfawas Ilhami; Ferry Setiawan; Sehono Sehono
Journal of Metallurgical Engineering and Processing Technology Vol 5, No 1 (August 2024)
Publisher : Universitas Pembangunan Nasional "Veteran" Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31315/jmept.v5i1.10524

Abstract

Abstract The utilization of coconut fiber currently is limited to making brooms or for burning, necessitating further applications. One of these applications is its use as a reinforcement in composites, enhancing utility value and environmental friendliness. This study focuses on crafting composites from coconut fiber with variations in fiber orientation: random, 0°, and 45°.Tensile testing results reveal that the random fiber orientation variation exhibits the best performance, with a stress of 27.30 MPa, attributed to higher density. The 45° fiber orientation variation has the lowest stress (24.23 MPa) due to a lower fiber count. In bending tests, the random fiber orientation variation again performs the best, with a bending stress of 120 MPa, attributed to its high density that strengthens the structure. The 0° fiber orientation has the lowest bending stress (88.59 MPa) due to lower fiber density.Overall, utilizing coconut fiber as reinforcement in composites shows promising positive outcomes, with the random fiber orientation variation providing the best mechanical performance. This endeavor holds the potential to enhance the economic and ecological value of coconut fiber.Keywords: Composite, fiber, coconut, tensile, bending
Co-Authors Andika Wijaya Azhar Jatmiko Chandra Dwiaji, Yudhi Dewo Afdhallano Kukup Restu Negoro Dhimas Wicaksono Dialis Okta Saputa Diaza Erlangga Briyan Nugraha Edi Sofyan Fahriza Maulana Fahriza Maulana Faizal Sribudi Nugroho Farhan Rasyid Hidayat Hidayah Fajria Lintar Aji Saputra Marausna, Gaguk Mario Fernandez Muhammad Kevin Adam Muhammad Luqman Bukhori Muhammad Zulfikar P Purwanto Prasetiyo, Erwan Eko Putra, Ikbal Rizki Ririn Zuhairini Sehono Sekar Alin Fatmawati Zaqi Arya Zullfawas Ilhami Zera Angeline Rerung