Abstract
In this work, the corrosion of 7B04 Aluminum alloy in cultured A. lwoffi was studied using electrochemical and surface analysis techniques. The study found that the presence of bacteria led to an increase in the pH value of the solution when compared to a sterile system. The electrochemical results indicated accelerated anodic dissolution rate and cathodic oxygen reduction rate of Al alloy, resulting in increased corrosion current density in the A. lwoffi system. Surface analysis, such as scanning electron microscope and stereomicroscope, revealed a large number of corrosion pits, and the severity of the corrosion phenomenon was attributed to the denitrification effect of A. lwoffi, indicating that A. lwoffi promoted the corrosion of Al alloy.
Published Version
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