Coated article and method for making the same

摘要

A coated article includes a substrate, an anti-corrosion layer formed on the substrate, and a decorative layer formed on the anti-corrosion layer. The substrate is made of magnesium or magnesium alloy. The anti-corrosion layer includes a magnesium layer formed on the substrate and a magnesium oxynitride layer formed on the magnesium layer. The coated article has improved corrosion resistance.