Improving Corrosion Resistance of Friction Stir Welding Joint of 7075 Aluminum Alloy by Micro-arc Oxidation
Yue Yang, Leilei Zhou
Fig. 3 XRD results of the coatings formed in electrolyte with different Na2SiO3 concentrations: a 10 gL; b 15 gL; c 20 gL.