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Tribological properties of multilayered vacuum coating

Rogachou A., Popov A., Piliptsov D., Yarmolenko M., Rogachev A., Fedosenko N.

Journal of Automation Mobile Robotics and Intelligent Systems

2009

Vol. 3, No. 4

115-117

The results of studies show the deposition conditions of the titanium-nitride based coatings and their structure influence on the tribological characteristics of the dry friction and in the diesel fuel. Tribological characteristics of multilayered systems on the basis of diamond-like coatings (DLC) have been studied. The deposition of the systems onto small-size cutting tools is found efficient for improving their service characteristics. When depositing the coatings to the cutting tool surface the microrelief of edges is not distorted and the service life increases 1.3 - 1.5 times. The morphology and tribological behaviour of composite and multi-layer polymer coatings based on polytetrafluoroethylene (PTFE) and polyurethane (PU) are studied after deposition by means the method of electron beam dispersion. It is shown possibility to produce fine-film systems based on polyurethane with polytetrafluoroethylene as filler that possess high tribological performance.