Abstract

Six types of micro-textures with different diameters and area densities are produced on the surfaces of the TC11 alloy. The wear characteristics of the textured and untextured surfaces are investigated at 500°C. It is found that the regular textured surface enhances the amount of oxygen adsorbed on the material surfaces, which promotes the formation of more tribo-oxides on the textured surface compared to the untextured samples, and thus significantly enhances the anti-wear ability of the TC11 alloy. A micro-dimpled structure with relatively small-diameter and high-density is likely to improve the tribological properties of TC11 alloy at 500°C.

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