Corrosion Control Through Diffusion Control by Post Thermal Curing Techniques for Fiber Reinforced Plastic Composites

  • S. J. Elphej ChurchilEmail author
  • S. Prakash
Conference paper
Part of the Lecture Notes on Data Engineering and Communications Technologies book series (LNDECT, volume 35)


Through this study, the moisture absorption behavior of composite materials with different post curing temperatures was determined to observe the corrosion control rate in materials. Due to the capillary effect, fibers absorb moisture from the environment and this may cause swelling in composites. This phenomenon develops additional strain in the laminate and accelerates strength degradation with the combined effect of corrosion. For the analysis, composite laminates of basalt/epoxy, basalt/polyester, glass/epoxy, and glass/polyester were fabricated using a hand layup process and cured at room temperature. Some of these laminates were further cured in a convection oven at different temperatures and some using a microwave oven. Samples of basalt/epoxy, basalt/polyester, glass/epoxy, and glass/polyester fiber reinforced laminates’ dry weights had been noticed and after that, they were immersed in NaCl solution (30% NaCl in one liter of distilled water) for an absorption test at room temperature. The initial weights of post-cured materials were weighed using a physical balance and tabulated. Similarly, the weights of the post-cured materials under moisture absorption were weighed at an interval of 7 days for a month and compared their properties.


Diffusion and corrosion control Fiber reinforced polymer composite Microwave post-curing 


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Authors and Affiliations

  1. 1.Sathyabama Institute of Science and TechnologyChennaiIndia

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