Friction of ultrathin Si, F-containing coatings
Journal of Friction and Wear(2017)
摘要
The friction of an ultrathin coating (~5 nm) formed as a result of the modifier segregation towards the surface of modified epoxy polymer in the form of multiple short chains of Si, F modifier has been investigated in a range of loads from 0.1000 to 0.0005 N. During the investigation of the reverse friction of ceramic (Al 2 O 3 ) ball on the coating, the sharp decrease in coefficient of friction at a load of less than 0.002 N has been shown, which is probably caused by the change in the mechanism of friction during the transition of friction to the zone of a self-lubricating coating. Under these conditions, the difference between the static coefficient of friction (stop effect) and dynamic coefficient of friction increases.
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关键词
ultrathin coatings,X-ray photoelectron spectroscopy,segregation,friction,silicon fluorine organic compounds
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