Hygrothermal Effect on Glass Fiber Reinforced Plastic (GFRP) Under Seawater Immersion
DOI:
https://doi.org/10.25170/cylinder.v10i2.5923Keywords:
GFRP, Hygrothermal, Fluid AbsorptionAbstract
Glass Fiber Reinforced Plastic (GFRP) is extensively used for corrugated roofing sheets and gutters in Indonesia, especially in corrosive environments, due to its superior corrosion resistance. Despite its widespread application in coastal areas, limited studies have examined the durability of GFRP when exposed to seawater and sunlight. This research investigates the influence of hygrothermal conditions on the physical and mechanical properties of GFRP. Samples were immersed in seawater at temperatures of 30°C, 40°C, and 60°C for 3 and 6 months. Results show that hygrothermal exposure leads to significant degradation in both physical and mechanical properties. Physical properties were evaluated using mass gain measurements, hardness testing, and Scanning Electron Microscopy (SEM), while mechanical properties were assessed via tensile testing.
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