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Corrosion Inhibition of Cu-37Zn and Cu-10Ni Alloys in Simulated Sea Water Using Benzotriazole

Corrosion Inhibition of Cu-37Zn and Cu-10Ni Alloys in Simulated Sea Water Using Benzotriazole This paper investigates the effect of benzotriazole (BTAH) on the corrosion of Cu-37Zn and Cu-10Ni alloys in 3.5% NaCl solution contaminated and non-contaminated with sulfide ions. Potentiodynamic polarization, potentiostatic polarization and polarization resistance measurements were performed in this investigation. At lower concentration of BTAH (0.001 M) Cu-37Zn exhibited slightly better behavior than Cu-10Ni while at high concentration (≥ 0.005 M) the Cu-10Ni alloy showed excellent inhibition efficiency. The contamination of sea water by sulfide ions diminished the protection afforded by BTAH for both alloys. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Journal of Metallurgical Engineering Science and Engineering Publishing Company

Corrosion Inhibition of Cu-37Zn and Cu-10Ni Alloys in Simulated Sea Water Using Benzotriazole

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Publisher
Science and Engineering Publishing Company
Copyright
Science and Engineering Publishing Company
ISSN
2168-555X
eISSN
2168-5568

Abstract

This paper investigates the effect of benzotriazole (BTAH) on the corrosion of Cu-37Zn and Cu-10Ni alloys in 3.5% NaCl solution contaminated and non-contaminated with sulfide ions. Potentiodynamic polarization, potentiostatic polarization and polarization resistance measurements were performed in this investigation. At lower concentration of BTAH (0.001 M) Cu-37Zn exhibited slightly better behavior than Cu-10Ni while at high concentration (≥ 0.005 M) the Cu-10Ni alloy showed excellent inhibition efficiency. The contamination of sea water by sulfide ions diminished the protection afforded by BTAH for both alloys.

Journal

Journal of Metallurgical EngineeringScience and Engineering Publishing Company

Published: Jul 1, 2013

Keywords: Brass; Cu-Ni; Polarization; Corrosion; Inhibition; Benzotriazole; SEM

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