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All Journal Proceedings of Annual International Conference Syiah Kuala University - Life Sciences & Engineering Chapter Jurnal Teknik Mesin SINTEK JURNAL: Jurnal Ilmiah Teknik Mesin FLYWHEEL : Jurnal Teknik Mesin Untirta Prosiding Semnastek R.E.M (Rekyasa Energi Manufaktur) Jurnal E-Dimas: Jurnal Pengabdian kepada Masyarakat Jurnal Rekayasa Material, Manufaktur & Energi Multitek Indonesia : Jurnal Ilmiah Jurnal Metalurgi dan Material Indonesia Jurnal Sains dan Teknologi Reaksi Jurnal Mekanova : Mekanikal, Inovasi dan Teknologi Jurnal Surya Teknika Teknologika Enrichment: Journal of Multidisciplinary Research and Development Jurnal Polimesin
Syifaul Huzni
Jurusan Teknik Mesin Dan Industri, Fakultas Teknik. Universitas Syiah Kuala Banda Aceh
Aerospace Engineering Humanities Automotive Engineering Chemical Engineering, Chemistry & Bioengineering Chemistry Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Education Electrical & Electronics Engineering Energy Engineering Health Professions Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mechanical Engineering Social Sciences Transportation Other

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TESTING THE FLEXURAL PROPERTIES OF POLYMER COMPOSITES FOAMING HYBRID OIL PALM EMPTY FRUIT BUNCHES (OPEFB) AND ZINC OXIDE (ZnO) Adlie, Taufan Arif; Rizal, Samsul; Ali, Nurdin; Huzni, Syifaul; Arif, Zainal; Suheri, Suheri
SINTEK JURNAL: Jurnal Ilmiah Teknik Mesin Vol. 14 No. 2 (2020): SINTEK JURNAL
Publisher : Universitas Muhammadiyah Jakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24853/sintek.14.2.68-73

Abstract

Oil palm empty fruit bunches (OPEFB) is one of the palm oil industry solid wastes that can be used as an alternative material to product composites. This research was conducted to determine the effect of the addition of Zinc Oxide (ZnO) as a filler material hybridized with OPEFB fiber to the flexural strength of polymeric foam composites. The aim of this research is to obtain the strength of the flexural test value of the composite material polymeric foam reinforced OPEFB fiber and Zinc Oxide (ZnO) with reference to the ASTM D790-92 standard. The composition of the specimens are 70% Resin, 15% OPEFB Fiber, 15% Polyurethane with different fiber sizes namely mesh (40, 60, 80, 100) and the addition of Zinc Oxide (ZnO) of (0%, 5%, 10%, 15%, 20%). The test specimen used for each composition is 5 samples, so that the entire test sample is 100 samples. From the test data it can be concluded the value of flexural strength in the 100 mesh OPEFB specimens and the addition of Zinc Oxide (ZnO) 10% is the best composition compared to 40, 60 and 80 mesh OPEFB with the addition of Zinc Oxide (ZnO) 5%, 15%, and 20%, where the voltage value is 10,01141 MPa and the strain value is 0,898456 mm / mm. From the research data it can also be concluded that the smaller the OPEFB fiber size with the addition of zinc oxidation (ZnO) 10%, the flexural strength of the polymeric foam composite material will be better.
Risk Mitigation of Planning for Procurement of Material Repair and Operation with the Integration of House of Risk and Criticality Ranking Assessment methods based on Failure mode effect Analysis (Case study: PT. Pupuk Iskandar Muda) Firdaus, Firdaus; Away, Yuwaldi; Huzni, Syifaul
Enrichment: Journal of Multidisciplinary Research and Development Vol. 3 No. 4 (2025): Enrichment: Journal of Multidisciplinary Research and Development
Publisher : International Journal Labs

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55324/enrichment.v3i4.419

Abstract

To maintain factory reliability, one of the essential factors is the availability of spare parts. Therefore, the spare parts procurement process implemented by the company must be effective and efficient. The complexity of supply chain activities in the spare parts procurement process involving multiple parties and uncertainties that occur in rapid dynamic changes may lead to the emergence of risk events with negative impacts in both short and long terms. The focus of this research is to identify operational risks in the procurement of MRO spare parts and identify alternative efforts to handle the risk of spare parts unavailability. The method used in this research is House of Risk (HOR) to identify risk events, risk agents, and design mitigation action formulations for priority risk agents based on the Aggregate Risk Potential (ARP) value that can suppress the emergence of risk agents. The research results obtained 26 risk events and 25 risk agents. Priority risk agents were obtained based on the highest ARP value, using Pareto analysis approach resulted in 14 risk agents that contributed to 81.32% of the emergence of risk events. There are 9 mitigation actions that can minimize the emergence of risk agents in the supply chain process of MRO spare parts procurement.
Interfacial stress distribution analysis of natural fiberreinforced epoxy composites: a finite element approach Ikramullah, Ikramullah; Gapatra, Reja; Ananda, Seprian Haris; Kurniawan, Rudi; Fonna, Syarizal; Rizal, Samsul; Huzni, Syifaul
Jurnal Polimesin Vol 22, No 6 (2024): December
Publisher : Politeknik Negeri Lhokseumawe

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30811/jpl.v22i6.6085

Abstract

The strength of fiber-reinforced composites is greatly influenced by the bonding at the fiber-matrix interface. Experimental methods to study this interface are often challenging, making numerical approaches essential for evaluating the interfacial behavior in fiber-reinforced composites. This study investigates the stress and strain distribution in the fiber, matrix, and fibermatrix interface regions of natural fiber-reinforced single-fiber composites under tensile loading using the finite element method. Interface conditions were modeled using cohesive elements, with the composites represented in two dimensions through ABAQUS 6.14 software. The tie constrains contact model was employed to define binding interactions between the cohesive element, the fiber, and the matrix. The maximum stress value resulting from the simulation process is 202 MPa and a strain of 0.0449 mm. The stress is effectively distributed to the fiber, demonstrating that the cohesive element used in composite analysis under tensile loading serves as a reliable link between the fiber and the matrix. The simulation results revealed a maximum stress value of 202 MPa and a corresponding strain of 0.0449 mm. The stress distribution effectively transferred to the fiber, demonstrating the capability of cohesive elements to represent the interfacial bond in composites under tensile loading. These findings confirm that cohesive element modeling is reliable method for analyzing fibermatrix interactions in natural fiber reinforced composites, providing insights for optimizing composite performance.
Co-Authors ., Israr Abdul Rahman Abubakar Dabet Affandi Affandi . Ahmad Kamal Ariffin Ahmad Marabdi Siregar Akram Tamlicha ALI, NURDIN Ananda, Seprian Haris Arif, Zainal Arya Rudi Nasution Banta Cut Budi Istana Chandra A Siregar Darwin Darwin Fakhriza Fakhriza Ferri Safriwardy Firdaus Firdaus Fonna, Syarizal Furqan, M. Restu G Gunawarman, G Gapatra, Reja Hasan Yudie Sastra Herdi Susanto Heri Faisandra Ikramullah, Ikramullah Illiyinal Muttaqin M Ridha M. Ibrahim, Israr Bin M. Ridha Muhammad Muhammad Muhammad Rizky Muhammad Zulfri Murtadhahadi Murtadhahadi Nurdin Ali Reza Aulia Rizal, Samsul Rudi Kurniawan Samsul Rizal Suheri Supardi, Joli Suri Purnama Febri Syahrizal Fonna Syahrul Fathi Syarizal Fonna Syarizal Fonna Tanjung, Iqbal Tanjung, Iqbal Yuwaldi Away