Fig. 2: The variation of surface roughness by hydrogen charging.

3D images and surface roughness analysis of damaged surface after hydrogen charging (0, 50, 100, 150 mA cm−2) for DLC coated 316 L stainless steel.
3D images and surface roughness analysis of damaged surface after hydrogen charging (0, 50, 100, 150 mA cm−2) for DLC coated 316 L stainless steel.