Influence of Thermal Effect on Electrochemical Corrosion Behavior of T2 Copper in Simulated Seawater Environment

Ji Nan Li; Gang Chen; Peng Zhang; Qian Su; Dong Luan; Bin Guo

doi:10.4028/www.scientific.net/AMM.470.128

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vol. 470Influence of Thermal Effect on Electrochemical...

Influence of Thermal Effect on Electrochemical Corrosion Behavior of T2 Copper in Simulated Seawater Environment

Abstract:

This paper has designed electrochemical corrosion experiment of T2 copper in 3.5% NaCl solution to investigate influence of thermal effect on electrochemical corrosion behavior of copper in simulated seawater. Solution temperature was 20°C, 30°C, 40°C and 50°C. The water quality parameters and polarization curve have been measured and analyzed. Corrosion morphology and composition of corrosion products have been observed and analyzed. Thermal effect would lead to water quality variation which influenced the corrosion behavior of copper samples and corrosion potentials would fluctuate with temperature rising. Sample surface of 30°C was neatly covered with fine, uniform and granular corrosion products. There're Cu₂O and CuCl on both samples of 20°Cand 30°Cand trace corrosion product of CuC₂O₄0.5H₂O and CuCl₂ of only 30°C.

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Periodical:

Applied Mechanics and Materials (Volume 470)

Pages:

128-131

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.470.128

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Online since:

December 2013

Authors:

Ji Nan Li, Gang Chen, Peng Zhang*, Qian Su, Dong Luan, Bin Guo

Keywords:

Corrosion Behavior, Simulated Seawater, T2 Copper, Thermal Effect

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