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Introduction – Why the Concern?
Nowadays, damage of metals presents one of the most important technological problems determining the service life of vehicles, their components and metallic industrial components, such as nozzles, valves, turbines. Metals are often damaged by mechanical or chemical processes. Corrosion can be defined as the deterioration of a materials’ properties due to its interaction with the environment. This process has an enormous economic impact), rendering imperative the solution of the issue.In Europe more than 300 billion euros are spent every year for investigations concerning corrosion handling procedures. Alternative corrosion protection is urgent since hexavalent chromium that is commonly used, provokes human disease. Hence, efforts to develop more efficient and environmentally compliant methods to prevent corrosion have been on-going throughout this century. Inspired by biological systems, several approaches and concepts forself-healing materials have been proposedin literature over the last years.All the proposed systems present advantages and disadvantages; however, this new class of materials can potentially result in the increase of structures lifetime and the decrease of maintenance cost. The most promising strategy is the development of intrinsic self-healing coatings that possesses an extended multi-level protection. This is achieved by the uniform distribution of nanocapsules into the coating that present multiple self-healing events as a respond to destructive environmental conditions.

Project Overview
The main vision of SHELL project is the development of intrinsic self-healing protective coating based on nanocomposites applied on metal alloys with anticorrosion and antifouling properties for protection of vehicles and metallic industrial components. The target properties are:

The main novelty of the project is the developmentof nanocompositesthat can be applied to all metal substrates without using solvents and create self-healing protective coatings with multiple self-healing events.