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Materials 2018, 11(2), 235; doi:10.3390/ma11020235

Influence of Temperature on Corrosion Behavior of 2A02 Al Alloy in Marine Atmospheric Environments

Corrosion and Protection Division, Shenyang National Laboratory for Material Science, Northeastern University, NO. 3-11, Wenhua Road, Heping District, Shenyang 110819, China
Institute of Metal Research, Chinese Academy of Sciences, Wencui Road 62, Shenyang 110016, China
Electrochemistry and Materials Science Research Laboratory, Department of Chemistry, Federal University of Technology Owerri, PMB 1526 Owerri, Nigeria
Author to whom correspondence should be addressed.
Received: 25 December 2017 / Revised: 24 January 2018 / Accepted: 31 January 2018 / Published: 3 February 2018
View Full-Text   |   Download PDF [11695 KB, uploaded 6 February 2018]   |  


The corrosion behavior of 2A02 Al alloy under 4 mg/cm2 NaCl deposition at different temperatures (from 30 to 80 °C) has been studied. This corrosion behavior was researched using mass-gain, scanning electron microscopy-SEM, laser scanning confocal microscopy-LSCM, X-ray photoelectron spectroscopy-XPS and other techniques. The results showed and revealed that the corrosion was maximal at 60 °C after 200 h of exposure. The increase of temperature not only affected the solubility of oxygen gas in the thin film, but also promoted the transport of ions (such as Cl), and the formation of protective AlO(OH), which further affects the corrosion speed. View Full-Text
Keywords: 2A02 Al alloy; NaCl deposit; marine atmospheric corrosion; temperature 2A02 Al alloy; NaCl deposit; marine atmospheric corrosion; temperature

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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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MDPI and ACS Style

Cao, M.; Liu, L.; Fan, L.; Yu, Z.; Li, Y.; Oguzie, E.E.; Wang, F. Influence of Temperature on Corrosion Behavior of 2A02 Al Alloy in Marine Atmospheric Environments. Materials 2018, 11, 235.

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