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Activated titanium anodes in cathodic protection: A comparison of the characteristics of anodes prepared by sol-gel procedure and thermal decomposition

Aktivirane titanske anode u katodnoj zaštiti - poređenje karakteristika anoda dobijenih sol-gel postupkom i termičkom razgradnjom

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2004
143.pdf (200.8Kb)
Authors
Panić, Vladimir
Dekanski, Aleksandar
Nikolić, Branislav Ž.
Article (Published version)
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Abstract
Polarization characteristics of titanium anodes, coated by active RuO2-TiO2 binary oxide using sol-gel preparation procedure and chloride thermal decomposition, in oxygen evolution reaction during anode electrolytic degradation were investigated in HClO4 solution. The accelerated electrolytic degradation of oxide coating has been performed in 3 mass% NaCl, pH 2. The anode prepared by sol-gel procedure is of better polarization characteristics than the anode prepared by thermal decomposition, which makes the former more suitable for the application in cathodic protection of metallic and steel constructions exposed to the sea water corrosion attacks.
Polarizacione karakteristike titanskih anoda, aktiviranih RuO2-TiO2 prevlakom različitim postupcima, u reakciji izdvajanja kiseonika tokom elektrolitičke degradacije anode, ispitivane su u rastvoru HClO4. Ubrzana elektrolitička degradacija oksidne prevlake vršena je u 3 mas % rastvoru NaCl, pH 2. Utvrđeno je da anode aktivirane sol-gel postupkom imaju bolje polarizacione karakteristike od anoda dobijenih termičkom razgradnjom, odnosno pogodnija svojstva za potencijalnu primenu u katodnoj zaštiti metalnih i čeličnih konstrukcija izloženih korozivnom dejstvu morske vode.
Keywords:
activated titanium anodes / RuO2-TiO2 coating / sol-gel procedure / electrolytic degradation / oxygen evolution reaction / cathodic protection / aktivirane titanske anode / RuO2-TiO2 prevlaka / sol-gel postupak / elektrolitička degradacija / reakcija izdvajanja kiseonika / katodna zaštita
Source:
Zaštita materijala, 2004, 45, 4, 173-178
Publisher:
  • Belgrade, Serbia : Engineering Society for Corrosion

ISSN: 0351-9465

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URI
http://cer.ihtm.bg.ac.rs/handle/123456789/145
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  • Radovi istraživača / Researchers' publications
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