Research Article

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

Figure 5

Acoustic emission evolution of DLC coating and ASPN with pretreatment at 400°C + DLC WC : C (COF: blue plot and AE: orange plot) vs. the indenter displacement. (a) DLC WC : C. (b) ASPN 400°C + DLC WC : C.