Galvanostatic Anodic Polarization Curves and Galvanic Corrosion of AZ31B in 0.01 M Na2SO4 Saturated with Mg(OH)2
Source abstract
Abstract
Abstract Measured polarization curves were used in a BEM model of the galvanic corrosion of the Mg alloy AZ31B. The AZ31B galvanostatic anodic polarization curves indicated: (i) the existence of the uni‐positive Mg+ ion, (ii) some hydrogen dissolved in the AZ31B metal, and (iii) self corrosion was more important than the applied current density in causing weight loss. Galvanic corrosion of the AZ31B consisted of: (i) corrosion that decreased in depth from the 2024–AZ31B interface, and (ii) heterogeneous corrosion that was denser closer to the 2024–AZ31B interface. There was good agreement between the BEM model and the experimental measurements.
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Research context
OpenAlex topics: Magnesium Alloys: Properties and Applications · Corrosion Behavior and Inhibition · Aluminum Alloy Microstructure Properties
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