ARTICLE HAVING HARD FILM AND METHOD FOR MAKING THE ARTICLE

摘要

An article includes a substrate and a hard film formed on the substrate; the hard film includes a plurality of complex layers and a plurality of Ni layers, each complex layer and Ni layer alternately arranged; each complex layer includes a plurality of TiAlN layers and a plurality of CrAlN layers, each TiAlN layer alternately arranged with each CrAlN layer. The disclosure also described a method to make the article.