What is it about?
Composites are widely used in the engineering world, such as aerospace, automotive, and marine, due to their advantages compared to metallic materials. Vinyl ester polymer, woven roving carbon fiber, woven roving carbon/aramid hybrid fiber, and the VARI technique were used in this study. The composite hybrid was treated with natural seawater aged for 6 months. Seawater diffusion and mechanical properties were investigated on dry and seawater-aged composites. Observations using SEM and FTIR were carried out to characterize the fracture cross-section and spectroscopic analysis of hybrid composites. Significant degradation due to seawater age occurred in the shear and compressive properties of the hybrid composite. The highest degradation occurs in the compressive properties, where the compressive strength drops to almost 50%.
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Why is it important?
It is important to know the characteristics of hybrid composites when in seawater environment especially about the effect of seawater on the mechanical properties of hybrid composites.
Perspectives
Composite materials are widely applied in the marine world such as ships, boats, and seaplane floats. Due to the corrosive nature of seawater, it is very important to know the effect of seawater on composite performance as a material applied in the marine world.
Mr. Kosim Abdurohman
National Research and Innovation Agency (BRIN)
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This page is a summary of: Influence of seawater ageing on compressive, shear, and tensile properties of carbon/aramid hybrid composites: A study for amphibious aircraft float material, January 2023, American Institute of Physics,
DOI: 10.1063/5.0181524.
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