METHOD FOR TREATING A SURFACE OF A MAGNESIUM ALLOY AND MAGNESIUM ALLOY HAVING A SURFACE TREATED BY THE SAME

摘要

potassium permanganate, 0.2 to 0.5 M, sodium hydroxide or potassium hydroxide, 0.4 to 4.0 M, and potassium pyrophosphate 0.1 to 0.3 M in a liquid containing , pH and temperature conditions of 10 to 12 under a 40 to 80 , provides a method for surface treatment of the magnesium alloy of the magnesium alloy substrate deposition . ;