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Materials 2018, 11(2), 197; https://doi.org/10.3390/ma11020197

Functionalizable Sol-Gel Silica Coatings for Corrosion Mitigation

1
Department of Mechanic, Materials Science and Engineering, Faculty of Mechanical Engineering, Wroclaw University of Science and Technology, 25 Smoluchowskiego, 50-370 Wroclaw, Poland
2
BioPharm Enterprises Limited, 65 Gwaun Afan, Cwmafan, Port Talbot SA129EJ, UK
*
Author to whom correspondence should be addressed.
Received: 20 December 2017 / Revised: 19 January 2018 / Accepted: 23 January 2018 / Published: 26 January 2018
(This article belongs to the Section Thin Films)
View Full-Text   |   Download PDF [5335 KB, uploaded 26 January 2018]   |  

Abstract

Corrosion is constantly a major problem of the world economy in the field of metal products, metal processing and other areas that utilise metals. Previously used compounds utilizing hexavalent chromium were amongst the most effective materials for corrosion protection but regulations have been recently introduced that forbid their use. Consequently, there is a huge drive by engineers, technologists and scientists from different disciplines focused on searching a new, more effective and environmentally-friendly means of corrosion protection. One novel group of materials with the potential to solve metal protection problems are sol-gel thin films, which are increasingly interesting as mitigation corrosion barriers. These environmentally-friendly and easy-to-obtain coatings have the promise to be an effective alternative to hexavalent chromium compounds using for anti-corrosion industrial coatings. In this review the authors present a range of different solutions for slow down the corrosion processes of metallic substrates by using the oxides and doped oxides obtained by the sol-gel method. Examples of techniques used to the sol-gel coating examinations, in terms of anti-corrosion protection, are also presented. View Full-Text
Keywords: sol-gel; layers; corrosion inhibitors sol-gel; layers; corrosion inhibitors
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).
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Gąsiorek, J.; Szczurek, A.; Babiarczuk, B.; Kaleta, J.; Jones, W.; Krzak, J. Functionalizable Sol-Gel Silica Coatings for Corrosion Mitigation. Materials 2018, 11, 197.

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