Cerium-Containing Solution for Chromate-Free Passivation of Zinc Coatings

The process of formation of protective cerium-containing conversion coatings on galvanized surfaces has been developed. It has been shown that cerium-containing passivating coatings on galvanized steel parts are comparable to opalescent chromate coatings on corrosion resistance and protective abilit...

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Bibliographic Details
Published inProtection of metals and physical chemistry of surfaces Vol. 55; no. 7; pp. 1329 - 1334
Main Authors Zheludkova, E. A., Abrashov, A. A., Grigoryan, N. S., Asnis, N. A., Vagramyan, T. A.
Format Journal Article
LanguageEnglish
Published Moscow Pleiades Publishing 01.12.2019
Springer Nature B.V
Subjects
Cerium
Characterization and Evaluation of Materials
Chemistry and Materials Science
Chromate coatings
Conversion coatings
Corrosion and Coatings
Corrosion resistance
Galvanized steel
Galvanized steels
Galvanizing
Industrial Chemistry/Chemical Engineering
Inorganic Chemistry
Materials Science
Metallic Materials
Protective Coatings
Self healing materials
Thermal shock
Tribology
Zinc coatings
surface treatment
conversion coating
cerium-containing coatings
corrosion protection
chromate-free zinc passivation
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Summary:The process of formation of protective cerium-containing conversion coatings on galvanized surfaces has been developed. It has been shown that cerium-containing passivating coatings on galvanized steel parts are comparable to opalescent chromate coatings on corrosion resistance and protective ability. It has been revealed that cerium-containing coatings have a self-healing ability and withstand thermal shock without degrading their characteristics.
ISSN:2070-2051
2070-206X
DOI:10.1134/S2070205119070190