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In order to employ advanced coatings and thin films in many practical engineering systems, they must be compatible with lubricants. Therefore short-stroke, reciprocating sliding (SRV) tests were performed under boundary lubrication conditions, to investigate the compatibility between two friction modifiers (FMs) and the following coating: Cr/CrN/a-C:H:W/a-C:H. The counter surface of coating was a...
Reciprocating ball-on-disk tests were performed to investigate the effects of sliding velocity and ambient temperature on the tribological characteristics of a diamond-like carbon (DLC) coating under a boundary lubrication regime. The coating consisted of sequentially deposited gradient Cr/CrN, a-C:H:W, and a-C:H layers; the counter surface was an AISI 52100 steel ball. Average sliding velocities...
Friction and wear tests were performed to investigate effects of sliding velocity and normal load on tribological characteristics of a multi-layered diamond-like carbon (DLC) coating for machine elements. The DLC coatings which consist of sequentially deposited gradient Cr/CrN, W-doped DLC (a-C:H:W) and DLC (a-C:H) layers were formed on carburized SCM 415 Cr–Mo steel disks using a reactive sputtering...
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