Self-Healing Materials to Enhance the Durability of Metallic Iconic Structures (Eiffel Tower as a Case Study)

Document Type : Original Article

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Architecture and Urban Planning Department, Faculty of Engineering, Suez Canal University, Ismailia, Egypt .

Abstract

Iconic structures are very important because they provide the fame and aesthetic symbolism. It is crucial to take care of these structures in order to elongate their lifetime. This research is specifically concerned with the metallic iconic structures. Metallic structures are always exposed to corrosion. Corrosion is an attack on materials because of interaction with surrounding environment. In order to prevent metallic corrosion, innovative methods should be taken into consideration. Self-healing is a technique used in materials to repair damages and restore the properties and appearance of damaged parts. Self-healing materials are protective coatings that can seal, close defects, and prevent the corrosion reactions at the coating defects of metallic structures. This requires adding micro capsules loaded by a polymerizable healing agent or corrosion inhibitor to routine binders. These coatings are epoxy or polyurethane-based organic systems. There are two mechanisms of self-healing coatings: autonomous and non-autonomous based on the ability to repair their integrity and functional properties with external physical interventions with external stimuli such as light and heat.

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International Journal of Multidisciplinary Studies in Architecture and Cultural Heritage
Volume 5, Issue 1
June 2022
Pages 343-354

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