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Optimizing the MoS2-based coating to overcome its humidity sensitivity is still a challenge. In this work, MoS2/Pb composite coatings with various Pb contents were synthesized by unbalanced magnetron sputtering system. The microstructures of the coatings change from loose columnar structure for pure MoS2 to a compact featureless structure for Pb doped MoS2. The hardness and elastic modulus of the...
In this paper, an amorphous carbon film containing F–Si-doped multilayer structure was developed through a simple deposition technique. The deposited film was able to attenuate stress concentrations, and improve the adhesion between film and substrate. The film had strong adhesion to substrate and could well withstand high scratch loads. Results showed superior wear resistance of film/GCr 15 pairs...
The tribological performances of non-hydrogenated amorphous carbon (a-C) coating sliding against different coating counterparts including a-C:H, CrN, CrSiN, TiN, TiCN and itself in ambient air and water were comparatively studied. Results showed that the a-C coating coupling with these different coatings exhibited similar low friction coefficients in ambient air, and the friction coefficients would...
The friction and wear behaviors of DLC-based solid–liquid lubricating coatings for three liquid lubricants sliding against different counterface materials were examined under high vacuum conditions. Seven kinds of balls with the diameter of 3mm were chosen as counterparts, which were GCr15, bronze, ZrO 2 , Al 2 O 3 , SiC, WC, and Si 3 N 4 . Under high vacuum...
In the present study, five kinds of liquid lubricants, including MACs, IL, Zdol, PAO and silicon oil, were homogeneously spun on DLC coatings and consequently the DLC-based solid–liquid lubricating dual-layer coatings were successfully fabricated. The tribological behaviors of the DLC/steel combinations and steel/steel combinations lubricated with above five liquid lubricants were comparatively investigated...
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