Study on Corrosion and Protection of Magnesium Alloy AZ91D
The anti-corrosion performance of magnesium alloy AZ91D by different treatment methods in NaCl solution were mainly discussed,and by comparing microstructure,corrosion products and the changing of pH value,the corrosion protection measures and their effects were deeply researched.The results show that the corrosion types of different specimens are the same,but there are big differences in the corrosion rate,corrosion products and pH values.The anti-corrosion performance of specimens by special treatment is significantly better than that of casting specimen.