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Analysis of Influence of Snow Melting Agents and Soil Components on Corrosion of Decorative Chrome Plating
ISSN: 1946-3979, e-ISSN: 1946-3987
Published April 05, 2016 by SAE International in United States
Citation: Kajiyama, Y., Obata, T., Sugimoto, T., Nakamura, M. et al., "Analysis of Influence of Snow Melting Agents and Soil Components on Corrosion of Decorative Chrome Plating," SAE Int. J. Mater. Manf. 9(3):819-826, 2016, https://doi.org/10.4271/2016-01-0539.
The dissolution and exfoliation of chromium plating specific to Russia was studied. Investigation and analysis of organic compounds in Russian soil revealed contents of highly concentrated fulvic acid. Additionally, it was found that fulvic acid, together with CaCl2 (a deicing agent), causes chromium plating corrosion. The fulvic acid generates a compound that prevents reformation of a passivation film and deteriorates the sacrificial corrosion effectiveness of nickel.