Abstract
Ti3C2Tx/TiO2 composite materials were successfully prepared by hydrothermal reaction method. The phase structure and morphology of the samples were analyzed by X-ray diffractometer and scanning electron microscope. The results show that TiO2 particles are evenly distributed between the layers and on the surface of Ti3C2Tx nanosheets. The prepared composite materials were added to PAO6 base oil, and the MDW-02 friction and wear testing machine was used to study the effects of material addition concentration, working load and working speed on the tribological properties of lubricating oil. The friction test results show that the introduction of Ti3C2Tx/TiO2 composite material can reduce friction, and the maximum reduction of friction and wear was achieved under additive concentration of 1.0 wt%. By scanning electron microscopy analysis of the wear scars, it was confirmed that the prepared nanocomposites repaired the scratched surface and formed a uniform lubricating film, which helped to improve the tribological properties of the base oil.
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