Abstract:
The microtexture of triangular grooves was prepared on the surface of YT15 cemented carbide surface by femtosecond laser processing technology, and the samples were prepared in four different samples according to the area occupancy rates of 5.05%, 9.5%, 13.02% and 15.2% respectively. The comparative experiment was conducted on the surface friction pairs of the YT15 cemented carbide surface on the MMG-10 multi-function friction wear tester. The microstructure and morphology of the work surface were analyzed by scanning electron microscope. The influence of the density of microtexture on the friction and wear properties of the work surface was further investigated. The results show that the microtexture of triangular grooves with a certain area share improved the friction performance of YT15 cemented carbide surface compared with the unwoven specimens, and the hydrodynamic lubrication effect was most remarkable when the area share was 9.5%.