abstract |
A coated article is described. The coated article includes a substrate and an alloy layer formed on the substrate. The alloy layer contains iron, silicon, boron, and carbon. The iron within the alloy layer has an atomic percentage of about 60%-95%, the silicon has an atomic percentage of about 1%-20%, the boron has an atomic percentage of about 1%-10%, and the carbon has an atomic percentage of about 1%-10%. A method for making the coated article is also described. |