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Carbon Steel Corrosion Inhibition - Crossref

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Last Updated: 10 February 2022

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Inhibition of the corrosion of carbon steel in hydrochloric acid solution by bisquaternary ammonium salt

The use of bisquaternary ammonium dichloride, a corrosion inhibitor for carbon steel in 1. 0 million HCl was investigated by weight loss and electrochemical methods. The results of the bisquaternary ammonium salt was also compared to that of urotropine, a commercial corrosion inhibitor for acid media in industry use. The inhibitor's adsorption of the inhibitor on the metal surface of HCl solutions was found to comply with Frumkin's isotherm.

Source link: https://doi.org/10.1108/00035590210419371


Multidimensional Study On The Corrosion Inhibition of Polypyrrole-Chitosan (PPy-CTS) Composites For Carbon Steel In Acid Medium

Here we have introduced a mixed type corrosion inhibitor of PPy-CTS that combined chitosan's excellent solubility and adsorption capacity into polypyrrole's excellent corrosion inhibition results by in-situ polymerization of pyrrole on CTS. Electrochemical and surface morphological analysis showed that corrosion inhibition of PPy-CTS composites as a potential corrosion inhibitor for Q235 carbon steel in a 1 M HCl solution. The absorption of PPy-CTS corrosion inhibitor on Q235 steel in 1 M HCl solutions resulted in the formation of a physical barrier preventing the carbon steel from corrosion, according to Langmuir isotherm's free energy obtained from the Langmuir isotherm model, resulting in the formation of a physical barrier blocking the carbon steel from corrosion. Ultimately, PPy-CTS effectively stopped carbon steel corrosion in a harsh acidic environment through the synergistic action of physical barrier and anodic protection.

Source link: https://doi.org/10.21203/rs.3.rs-958811/v1

* Please keep in mind that all text is summarized by machine, we do not bear any responsibility, and you should always check original source before taking any actions

* Please keep in mind that all text is summarized by machine, we do not bear any responsibility, and you should always check original source before taking any actions