Fig. 4: The variation of surface morphologies by hydrogen charging.

FE-SEM images and EDS analysis of damaged DLC coating layer after hydrogen charging (0, 50, 100, 150 mA cm−2) for DLC coated 316 L stainless steel.
FE-SEM images and EDS analysis of damaged DLC coating layer after hydrogen charging (0, 50, 100, 150 mA cm−2) for DLC coated 316 L stainless steel.