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What is Corrosion Resistance of AZ91D Alloy Coatings about?

The study investigates the corrosion properties of surface-modified AZ91D magnesium alloy treated in AlCl3–NaCl molten salt at temperatures between 250 °C and 400 °C. The optimal corrosion resistance was achieved at 300 °C, where the coating primarily consisted of Al12Mg17 and Al3Mg2 intermetallic compounds, while higher temperatures led to cracks in the coating due to thermal stress. The corrosion rates decreased with increasing treatment temperature, indicating improved protection against corrosion in a 3

Author

JarmilaMlynáriková

Language

EN