2017DEStech Transactions on Social Science Education and Human ScienceRequires access

Research on Anti-Corrosion Performance of Hot-dip Galvanized Coating during Neutral Salt Spray Test

D. Hu, Xiaoli Ma, Yaning Zhang

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Abstract

Two customized hot-dip galvanized test specimens were applied onto the steel substrates, then the specimens were tested 5000h during the neutral salt spray and there were obvious differences in the anti-corrosion performance between the coatings. The results showed that there was no significant difference of the corrosion products and corrosion mechanisms between two coatings. Nevertheless, the Hot-dip customized production process, the density of the corrosion products in coating were the primary factors influencing the anti-corrosion performance of the Hot-dip galvanized coating.

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What this paper is about

Two customized hot-dip galvanized test specimens were applied onto the steel substrates, then the specimens were tested 5000h during the neutral salt spray and there were obvious differences in the anti-corrosion performance between the coatings. The results showed that there was no significant difference of the corrosion products and corrosion mechanisms between two coatings. Nevertheless, the Hot-dip customized production process, the density of the corrosion products in coating were the primary factors influencing the anti-corrosion performance of the Hot-dip galvanized coating.

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Available abstract

Two customized hot-dip galvanized test specimens were applied onto the steel substrates, then the specimens were tested 5000h during the neutral salt spray and there were obvious differences in the anti-corrosion performance between the coatings. The results showed that there was no significant difference of the corrosion products and corrosion mechanisms between two coatings. Nevertheless, the Hot-dip customized production process, the density of the corrosion products in coating were the primary factors influencing the anti-corrosion performance of the Hot-dip galvanized coating.

Key concepts: Galvanization, Corrosion, Salt spray test, Metallurgy, Coating, Materials science, Salt (chemistry), Dip-coating

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