Components

DLC (amorphous) CrN + DLC CrN Me-DLC Hard-Carbon
Coating material A-C:H CrN + a-C:H:W CrN A-C:H:W (WC/C) Ta-C
Hardness (HV0.05) 2,500 2,500 2,300 1,650 6,000
Typical thickness (μm) 1-5 1-5 1-30 1-4 < 2
Increasing of roughness Ra (μm) 0.02 0.02 0.02 0.02 0.01
Friction coefficient against steel 0.15 0.15 0.4 0.15 0.05
Max operating temperature (°C) 350 350 750 300 400
Technology RF/dc pulsed PVD+DC pulsed / PVD + RF PVD PVD+DC pulsed arc