Development of Smart Self-Healing Polymer Composites for Durable Offshore Marine Structural Protection Under Seawater Exposure

Prasad M. Patare; Harjot Singh Gill; Elangovan Muniyandy; Mukesh Didwania; Akanksha Mishra

doi:10.5750/ijme.v168iA5(S).2003

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Published: Oct 21, 2026

DOI: https://doi.org/10.5750/ijme.v168iA5(S).2003

Keywords:

Autonomous crack repair Electrochemical impedance spectroscopy Damage recovery Thermal activation

Prasad M. Patare

Department of Mechanical Engineering, Sanjivani College of Engineering, Savitribai Phule Pune University, Kopargaon, 423603, Ahilyanagar, Maharashtra, India

Harjot Singh Gill

Department of Mechanical Engineering, Chandigarh University, Mohali, Punjab, India

Elangovan Muniyandy

Saveetha Institute of Medical and Technical Sciences, Chennai, 602105, India

Mukesh Didwania

Department of Mechanical Engineering, Faculty of Engineering and Technology, Poornima University, Jaipur, Rajasthan, 303905, India

Akanksha Mishra

Department of Mechanical Engineering, Sharda School of Engineering & Sciences, Sharda University, Greater Noida, India

Abstract

Offshore marine structures degrade due to seawater, corrosion, and mechanical damage. Traditional polymer composites suffer from irreversible cracking and poor repair options, reducing their durability. research develops smart selfhealing polymer composites for durable offshore structural protection under seawater exposure. The composites were fabricated using a reversible healing mechanism and characterized through scanning electron microscopy (SEM), Fourier transform infrared spectroscopy (FTIR), differential scanning calorimetry (DSC), dynamic mechanical analysis (DMA), and mechanical testing. Self-healing efficiency was evaluated through controlled crack formation, thermal activation, and recovery analysis using optical microscopy and mechanical restoration assessment. Electrochemical impedance spectroscopy (EIS), water absorption, and seawater immersion tests were performed to evaluate corrosion resistance and durability. The optimized composite achieved 88.7% a tensile recovery an impedance modulus. These results confirm the effectiveness of smart self-healing polymer composites for sustainable offshore marine structural applications.

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Vol. 168 No. A5(S) (2026): Integrating Innovation Across Disciplines New Paradigms in Multidisciplinary Research

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