In the present work, AZ61 alloy, one of most important commercial structural magnesium alloys, was anodized in three different alkaline electrolytes consisting 3 M KOH + 0.15 Na2SiO3 0.1 Na2B4O7.10H2O, 0.5 Na3PO4 and 0.50 Na2SiO3. The treatment conducted at two current densities, 20 30 mA.cm-2 for 10 minutes. layers were characterized by scanning electron microscopy, X-ray diffractometry photoe...