The goal is to significantly reduce the maintenance costs in many industrial applications by applying active sensing coatings. The indication of corrosion activity by these coatings will allow optimization of the maintenance operations avoiding excessive unnecessary preventive operations in the cases when coating is still able to protect the metallic structures. Different strategies for creation of self-healing coatings have been suggested. In a previous Nanowerk Spotlight, for instance, we reported on self-healing nanotechnology anticorrosion coatings as alternative to toxic chromium. We followed that up with a report on a novel and effective system for metal protection against a wide range of biological and chemical aggressive agents ("Protecting metal surfaces with a novel nanoengineered encapsulation system").
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