Influence of Cu Content on the Microstructure and Mechanical Properties of Cr-Cu-N Coatings

Figure 6

The surface morphologies of the Cr-Cu-N coatings with respect to the Cu content.

(a) 0 at.% Cu

(b) 1.49 at.% Cu

(c) 8.88 at.% Cu

(d) 15.16 at.% Cu

(e) 19.35 at.% Cu

(f) 25.18 at.% Cu