Corrosion: Art or Destruction? Goal 11

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Università di Parma - canale ufficiale -

Published on Dec 13, 2024
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Franco Bisceglie - Department of Chemical, Life and Environmental Sustainability Sciences The term “corrosion” refers to the decay that materials undergo in contact with various environments due to the passage of their constituent elements to the combined state. The most well-known form of corrosion is certainly that which causes iron to transform into rust. This phenomenon is of very wide interest because it causes extensive damage, consumes raw materials and energy resources, and sometimes even kills people. Fighting corrosion means helping to significantly reduce the number of deaths and the number of people affected by disasters, including disasters caused by water or its lack, and substantially reducing direct economic losses compared to the global gross domestic product. However, corrosion does not always and only mean damage. There is a constructive corrosion, such as the corrosive attack that is carried out on metals to highlight their microstructure, to make the surface rough or shiny, to cover it with protective layers, to produce relief matrices, to carry out selective removals of material, to develop hydrogen or to create artistic decorations. Thanks to studies and research, by a chemical engineer from Lombardy, titanochromia was developed, a particular technique that leads to the localized corrosion of titanium, and that thanks to the interference between light radiation and corrosion products generates particular colors that have given rise to real works of art with a large production of paintings, jewelry, furnishing accessories and much more.

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