Authors

Faliaro Lamhot Frekdi Aritonang

Mechanical Engineering Department, Faculty of Engineering, Diponegoro University, Jl. Prof. H. Soedarto, SH, Tembalang-Semarang 50275, Indonesia

Sulardjaka

Mechanical Engineering Department, Faculty of Engineering, Diponegoro University, Jl. Prof. H. Soedarto, SH, Tembalang-Semarang 50275, Indonesia

Agus Suprihanto

Mechanical Engineering Department, Faculty of Engineering, Diponegoro University, Jl. Prof. H. Soedarto, SH, Tembalang-Semarang 50275, Indonesia

Abstract

Conventional metal reservoirs suffer from high corrosion rates and severe structural degradation, leading to leakage and elevated maintenance costs. This study evaluates three variations of fiberglass-reinforced polymer (FRP) composites as an alternative material for reservoir walls by investigating the effect of fiber orientation and mass fraction on mechanical properties and corrosion resistance. Three stacking sequences were fabricated using the hand lay-up method: E1 (Mat–Mat–Mat), E2 (Mat–FG 0/90–Mat), and E3 (FG 45–FG 0/90–FG 45). The specimens were evaluated through density testing, Charpy impact testing, tensile testing and three-point bending. The E3 variation achieved the highest density (1.580 g/cm³), the highest tensile strength (89.666 MPa), and the highest elongation (4.333%). The E2 variation yielded the maximum flexural strength (239.51 MPa) and the highest impact toughness (0.160 J/mm²). These findings confirm that a hybrid laminate structure with a woven-fiber core is critical for balancing mechanical performance and environmental durability in fluid storage applications.

Keywords

Corrosion rate Fiber orientation Fiberglass composite Mechanical properties Reservoir.

Citation of this Article

Faliaro Lamhot Frekdi Aritonang, Sulardjaka, & Agus Suprihanto. (2026). Mechanical Properties of Fiberglass-Reinforced Polymer Composites for Reservoir Applications. International Current Journal of Engineering and Science (ICJES), 5(8), 27-31. Article DOI: https://doi.org/10.47001/ICJES/2026.508004 

Licence Copyright (c) 2026 International Current Journal of Engineering and Science. This work is licensed under a Creative Commons Attribution Non Commercial 4.0 International Licence.

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