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

E. A. Zheludkova; A. A. Abrashov; N. S. Grigoryan; N. A. Asnis; T. A. Vagramyan

doi:10.1134/S2070205119070190

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

Authors: Zheludkova E.A.¹, Abrashov A.A.¹, Grigoryan N.S.¹, Asnis N.A.¹, Vagramyan T.A.¹
Affiliations:
1. Mendeleev University of Chemical Technology of Russia
Issue: Vol 55, No 7 (2019)
Pages: 1329-1334
Section: Protective Coatings
URL: https://journal-vniispk.ru/2070-2051/article/view/205786
DOI: https://doi.org/10.1134/S2070205119070190
ID: 205786

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Abstract

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.