Adhesion Enhancement on a Duplex DLC HiPIMS Positive Pulse Coating Performed by Active Screen Plasma Nitriding Pretreatment on 316L Stainless Steel Substrate

Figure 6

Scratch test micrography of DLC WC : C (a), ASPN 350°C + DLC (b), ASPN 400°C + DLC (c), and ASPN 450°C + DLC (d).

(a)

(b)

(c)

(d)