| 摘要 |
PROBLEM TO BE SOLVED: To provide a coating formation method by plasma electrolytic oxidation which enables formation of a coating having high corrosion resistance on a metal surface by a plasma electrolytic oxidation treatment.SOLUTION: A coating formation method by plasma electrolytic oxidation comprises applying a voltage to a metal, in a state where the metal is immersed as an anode in an electrolytic solution containing an indium compound, to generate plasma discharge between the metal and the electrolytic solution so as to form a coating containing indium in the surface of the metal. |
