Surface Treatment 101


The Corrosion of the Eiffel Tower

Rising up into the sky above Paris for 135 years, it is one of the most visited monuments in the world. Today, the Eiffel Tower is at the centre of much controversy related to its maintenance and its twentieth painting campaign, which is taking far longer than planned: the Dame de Fer is beginning to show its wrinkles.

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Cathodic protection: what is it, how does it work, where is it applied, and what are its benefits?

One of the most popular methods to ensure corrosion protection of difficult-to-reach assets, such as underground or submerged pipelines, is cathodic protection. Developed in the first half of the 19th century to protect the metal hulls of warships, it is now widely used not only on large structures but also on the inside of water heaters or boilers for private use. Let us take a detailed look at its main features and applications.

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The corrosion of the Morandi Bridge: the story of a predictable collapse?

Corrosion is present in our everyday lives more than we think. The progressive deterioration it causes can have devastating effects and weaken essential structures such as the metal reinforcements of bridges. In this article, we will try to understand if and how corrosion may have influenced the partial collapse of a bridge that first became a symbol of engineering innovation and then of an unforgettable tragedy: the Polcevera Viaduct, known to everyone as the Morandi Bridge.

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Corrosion: what it is, how it develops, what are the most corrosive environments, and how metals can be protected

Corrosion is an irreversible natural process that causes a slow and continuous wear of metal, resulting in a deterioration of the material’s characteristics or physical properties. It is essential to protect all metal surfaces so that this does not diminish the functionality of products and structures, as well as generating serious economic damage and safety risks.

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