Abstract
This study investigated was to by using the radio frequency magnetron sputtering method was used to the surface of the stainless steel brackets by changing the sputtering time to prepare different samples N-doped TiO2-xNx films of different thicknesses. The film crystal structure, surface morphology and surface roughness were by X-ray diffraction, scanning electron microscopy and 2206-type surface roughness measuring instrument, respectively. By 14FW reciprocating friction and wear tester investigated TiO2-xNx film brackets friction properties in vitro. The results show that the microstructure of the nano N-doped TiO2-xNx films was anatase, uniform and compact structure. Dynamic and static friction coefficient of different thicknesses of TiO2-xNx film brackets whether under dry or wet conditions were less than the control group. In the same moist environment, with the film thickness increases TiO2-xNx film brackets friction coefficient showed a decreasing trend. The TiO2-xNx film brackets showed a good low friction properties. ©, 2015, Journal of Functional Materials. All right reserved.
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