Surface Characterization and Corrosion Behavior of 90/10 Copper-Nickel Alloy in Marine Environment

Surface characterization and corrosion behavior of 90/10 copper-nickel alloy in seawater from Xiamen bay at 30 °C for 56 days were investigated in this study. The results indicated that the corrosion product layer was mainly a mixture of CuO, Cu(2)O, and Cu(OH)(2), with a transition to CuCl, CuCl(2)...

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Autores principales: Jin, Tingzhu, Zhang, Weifang, Li, Ning, Liu, Xuerong, Han, Lu, Dai, Wei
Formato: Online Artículo Texto
Lenguaje:English
Publicado: MDPI 2019
Materias:
Article
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6601285/
https://www.ncbi.nlm.nih.gov/pubmed/31185603
http://dx.doi.org/10.3390/ma12111869
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author Jin, Tingzhu
Zhang, Weifang
Li, Ning
Liu, Xuerong
Han, Lu
Dai, Wei
author_facet Jin, Tingzhu
Zhang, Weifang
Li, Ning
Liu, Xuerong
Han, Lu
Dai, Wei
author_sort Jin, Tingzhu
collection PubMed
description Surface characterization and corrosion behavior of 90/10 copper-nickel alloy in seawater from Xiamen bay at 30 °C for 56 days were investigated in this study. The results indicated that the corrosion product layer was mainly a mixture of CuO, Cu(2)O, and Cu(OH)(2), with a transition to CuCl, CuCl(2), and Cu(2)(OH)(3)Cl during the corrosion process. However, as corrosion proceeds, the resistance of the product film was reduced due to its heterogeneous and fairly porous structures, which led to local corrosion of the alloy. The corrosion potentials (E(corr)) increase while corrosion current densities (I(corr)) decrease with time because of the formation of protective oxide film.
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spelling pubmed-66012852019-07-18 Surface Characterization and Corrosion Behavior of 90/10 Copper-Nickel Alloy in Marine Environment Jin, Tingzhu Zhang, Weifang Li, Ning Liu, Xuerong Han, Lu Dai, Wei Materials (Basel) Article Surface characterization and corrosion behavior of 90/10 copper-nickel alloy in seawater from Xiamen bay at 30 °C for 56 days were investigated in this study. The results indicated that the corrosion product layer was mainly a mixture of CuO, Cu(2)O, and Cu(OH)(2), with a transition to CuCl, CuCl(2), and Cu(2)(OH)(3)Cl during the corrosion process. However, as corrosion proceeds, the resistance of the product film was reduced due to its heterogeneous and fairly porous structures, which led to local corrosion of the alloy. The corrosion potentials (E(corr)) increase while corrosion current densities (I(corr)) decrease with time because of the formation of protective oxide film. MDPI 2019-06-10 /pmc/articles/PMC6601285/ /pubmed/31185603 http://dx.doi.org/10.3390/ma12111869 Text en © 2019 by the authors. Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (http://creativecommons.org/licenses/by/4.0/).
spellingShingle Article
Jin, Tingzhu
Zhang, Weifang
Li, Ning
Liu, Xuerong
Han, Lu
Dai, Wei
Surface Characterization and Corrosion Behavior of 90/10 Copper-Nickel Alloy in Marine Environment
title Surface Characterization and Corrosion Behavior of 90/10 Copper-Nickel Alloy in Marine Environment
title_full Surface Characterization and Corrosion Behavior of 90/10 Copper-Nickel Alloy in Marine Environment
title_fullStr Surface Characterization and Corrosion Behavior of 90/10 Copper-Nickel Alloy in Marine Environment
title_full_unstemmed Surface Characterization and Corrosion Behavior of 90/10 Copper-Nickel Alloy in Marine Environment
title_short Surface Characterization and Corrosion Behavior of 90/10 Copper-Nickel Alloy in Marine Environment
title_sort surface characterization and corrosion behavior of 90/10 copper-nickel alloy in marine environment
topic Article
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6601285/
https://www.ncbi.nlm.nih.gov/pubmed/31185603
http://dx.doi.org/10.3390/ma12111869
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