Researchers from NUST MISiS have developed a composite coating with the addition of an organic polymer that makes it possible to protect metal structures of marine and coastal infrastructure from corrosion and icing. An article dedicated to the advancement of scientists was published in the scientific journal Surface and Coatings Technology.
Materials scientists have proposed adding a layer of graphite and fluoroplast, a polymer known for its hydrophobic properties, onto the titanium carbide coating. This combination of components allowed the coating to maintain high wear resistance with a low coefficient of friction and high hydrophobicity. Due to the latter, water drops roll off the coating, minimizing the risk of corrosion and the possibility of icing.
Konstantin Kuptsov, co-author of the study, said that the addition of fluoroplasts increases the freezing time of a water droplet on the coating surface to 65 seconds, which gives it no chance to freeze on the surface. NUST MISIS’s Scientific and Educational Center for Self-Expanding High-Temperature Synthesis.
If ice has formed, its adhesion to the surface is reduced to 0.38 megapascals, which, according to the scientist, guarantees its complete removal after separation. The properties of the material itself are not affected.
Experts say that the new composite could be used not only in marine infrastructure, but also where anti-corrosion coatings that do not freeze at low temperatures are required, for example in the aerospace or automotive industry.
Source: Ferra
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