Corrosion Evaluation for Aluminum Alloy (6262) in Aerated 3.5% NaCl Solutions under Hydrodynamic Conditions

Ahmed Y. Musa; Abdul Amir H. Kadhum; Abu Bakar Mohamad; Mohd Sobri Takriff

doi:10.4028/www.scientific.net/AMR.154-155.1846

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 154-155Corrosion Evaluation for Aluminum Alloy (6262) in...

Corrosion Evaluation for Aluminum Alloy (6262) in Aerated 3.5% NaCl Solutions under Hydrodynamic Conditions

Abstract:

The corrosion of aluminum alloy (6262) in artificial sea water under flow condition was evaluated using electrochemical impedance spectroscopy (EIS) and potentiodynamic methods. The flow condition experiments were simulated using rotating cylinder electrode (RCE). Results showed that the increasing of the flow velocity enhances the corrosion kinetic of the system and changes the corrosion mechanism. Limiting current density was increased with increasing in the flow velocity. This behavior was due to the presence of a mixed control on the corrosion process related with the formation and stabilization of corrosion product layers on the electrode surface.

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Periodical:

Advanced Materials Research (Volumes 154-155)

Pages:

1846-1849

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.154-155.1846

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Online since:

October 2010

Authors:

Ahmed Y. Musa, Abdul Amir H. Kadhum, Abu Bakar Mohamad, Mohd Sobri Takriff

Keywords:

Aluminium Alloy, Corrosion, Flow Condition

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References

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