High-performance chromium aluminium nitride PVD coatings on roller bearings

Influence of the Composition on the Properties of (Cr1–xAlx)N/MoySz PVD Coatings

“…[5] At this point, the ternary coating (Cr,Al)N is another promising candidate. Previous experimental investigations of (Cr,Al)N in both, lubricated contacts [36] and in dry running conditions [37] showed satisfying tribological results as well. Combining the mechanical properties and wear resistance of (Cr,Al)N with the lubricating effect of MoS 2 could promise a suitable solution for replacement of lubricants on highly forced tools in dry cold forging.…”

A contribution to the thermal effects of DLC coatings on fluid friction in EHL contacts

“…In order to reduce frictional losses, chromium‐based nitride hard coatings and diamond‐like carbon (DLC) coatings are deposited on tappets, crankshaft bearings, piston rings, valve lifters, gear wheels, etc. . Regarding passenger car fuel energy consumption, the corresponding losses can be divided into thermal energy losses due to exhaust (33%), cooling (29%) and the mechanical power that has to be split up into air drag (5%) and frictional losses (33%) .…”

Corrosion resistance of multilayer coatings deposited by PVD techniques onto the brass substrate

“…Achievement of the required high working properties is connected, in most cases, with the necessity of improvement of their manufacturing technologies, employment of novel manufacturing technologies or modifications of the surface layer. Deposition of hard coatings (transition metal nitrides, carbides or oxides) on material surface by PVD processes (physical vapour deposition) features one of the most intensely developed directions of improvement of the working properties of materials [1][2][3]. This technology makes it possible to modify their surface by shaping their physical and chemical properties.…”