COMPOSITE MATERIAL AND PREPARING METHOD OF THE SAME

摘要

The present invention discloses a composite material comprising: a substrate with an anodic oxide film layer having micropores; and at least one kind of dye filled in the micropores, wherein amount of the same kind of dye is gradient distribution on at least part of the substrate. The composite material has an even, metal gloss, uneasily scratched and wore out surface with gradually changed color. Moreover, the present invention also provided a method of preparing the same.