Abstract
The 304 stainless steel has good mechanical properties and is widely used in industrial manufacturing. In this paper, take 304 stainless steel as the substrate material, the five micro texture shapes, such as groove array, square column array, circular pit array, regular hexagon column array and trapezoid column array, on the surface of 304 stainless steel were carved by nanosecond laser engraving machine under the same parameters, and then were immersed in 0.5mol/l perfluorodecyl trimethoxysilane ethanol solution at 45 °C for 5 hours. Five type super-hydrophobic surfaces were obtained. A series of friction and wear experiments were conducted out and the influence of different micro texture on the friction and wear to the 304 stainless steel surface was analyzed. The results show that the square column array has the best friction and wear resistance, and its friction coefficient is 0.16, which is the lowest in all other micro texture shapes. It can be used as a reference for improving the friction and wear resistance of metal surface.
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