DLC (Diamond-Like Carbon) coating is characterized by its low friction coefficient and superior surface qualities, manufactured through PVD (Physical Vapor Deposition) technology. This carbon-based coating mimics the hardness and wear resistance of diamond, effectively enhancing the durability and performance of military equipment. In the defense industry, DLC coating is particularly applied to aircraft engine components, internal elements of weapon systems, and protective exteriors of military vehicles, extending their lifespan, reducing maintenance costs, and increasing overall operational efficiency. Thus, the significance of DLC coating in the defense sector is increasingly emphasized.