| 摘要 |
The present invention relates to a method to process a surface of an internal/external metal material and a surface-processed internal/external metal material and, more specifically, relates to a method to process a surface of an internal/external metal material capable of forming a wall layer with valve metal on a surface of an internal/external metal material and forming a surface layer with an aluminum metal on the wall layer; and then performing anodic oxidation on the surface, and coloring and sealing the surface. According to the present invention, anodic oxidation, and coloring and sealing techniques are applied to a surface of various internal/external metal materials such as zinc, stainless steel, and magnesium; thereby making various, beautiful, and equal surface colors for the internal/external metal materials. |
