In this study. friction and wear behaviour of amorphous hydrogenated carbon (a-C:H) DLC coating slide against SUJ2. TiC and TiN mating material disks in Base and ZnDTP+MoDTC oils boundary lubrication is comparatively investigated to determine the most favourable DLC/mating material/lubricant and interrelated tribofilm formation mechanism on each mating mating materials. Tribological t... https://www.cosmeticssquadets.shop/product-category/body-lotion/