DEVELOPING ADVANCED COATINGS TO OVERCOME CHALLENGES IN CORROSION RESISTANCE FOR MARINE AND INDUSTRIAL APPLICATIONS

Abstract

Corrosion is a major challenge in both marine and industrial applications, leading to substantial economic losses and safety concerns. This study investigates the development of advanced corrosion-resistant coatings that incorporate nanomaterials and self-healing agents to enhance protection against environmental degradation. Coatings containing graphene and titanium dioxide nanoparticles were synthesized and subjected to electrochemical impedance spectroscopy (EIS), salt spray testing, and mechanical property evaluations. The results demonstrated superior corrosion resistance of nanocoating since their impedance values performed better at 10 kHz and 100 kHz.  Traditional coatings demonstrate corrosion rates at 0.12 mm/year but nanocoating present lower rates at 0.02 mm/year. The laboratory tests verified that nanocoating possess durable qualities due to their increased hardness level and improved scratch resistance alongside increased adhesive strength. The lifetime of coatings increased through self-healing agents that restored corrosion resistance but graphene-based coatings reached 85.6% in recovery capabilities. Research into environmental sustainability demonstrates that nanocoating have better replacement potential over traditional coatings since their biodegradation characteristics improve while toxicity reduces. Updated coatings provided a double benefit which paid back initial investment costs due to longer product lifespan and reduced maintenance requirements. Nanocoating used together with self-healing systems demonstrate practical industry and marine applications because of their extended lifespan and sustainable advantages and cost-effective characteristics.   Future anti-corrosive coatings built from innovative concepts appear in this work to address persistent corrosion issues during the operational lifetime of important infrastructure