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Diamond-like carbon (DLC) is a hard material with lubricity and chemical stability. Amid the growing awareness of environmental problems in late years, DLC films have been used to reduce the fuel consumption of automobiles by reducing friction loss. This study diamond-like-carbon (DLC) coating process was applied to 8620 H steel used for camshaft production. Coatings are only applied to cams on the camshaft. SEM analysis were made by taking sections from the cams and abrasion amount were measured at different distances. Coated samples were compared with uncoated samples. DLC coated cam surfaces improved, the amount of wear has been reduced.

The Effects of DLC Coating To Camshafts Produced From 8620H Steel