Corrosion inhibition of copper, mild steel and galvanically coupled copper-mild steel in artificial sea water in presence of 1H-benzotriazole, SODIUM MOLYBDATE (cas 12680-49-8) and sodium phosphate

Add time:08/29/2019    Source:sciencedirect.com

In this study, the corrosion inhibition of 1H-benzotriazole (BTA) alone and in combination with Na2MoO4·2H2O and Na3PO4·12H2O on single and coupled copper and mild steel in artificial sea water is evaluated. EIS and polarization results in stagnant and laminar flow conditions in different immersion times indicated that persistence of protective layer formed on single mild steel in presence of BTA is lower than that of copper, though formation of a stable protective layer on coupled copper reduced galvanic corrosion. Multicomponent inhibitor showed a better efficiency compared to BTA alone through protection of both single and coupled copper and mild steel.

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