Published in

MDPI, Coatings, 12(10), p. 1225, 2020

DOI: 10.3390/coatings10121225

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Wear Behavior of Medium-Carbon Steel with Different Laser-Textured Densities under Starved Lubrication

This paper is made freely available by the publisher.
This paper is made freely available by the publisher.

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Abstract

Five densities of laser-ablated micro-pits were fabricated onto medium-carbon steel surfaces based on the coupling effect of the biological surface. The effects of the surface textures on the wear behavior were investigated by sliding wear tests under starved lubrication. The results show that compared with the smooth sample, the biomimetic samples could effectively reduce friction and wear, and the tribological performance of the textured surfaces is closely related to the density of the bionic units. The equivalent stress distribution of the specimens was simulated by the finite element method. A uniform stress distribution is beneficial for effectively reducing the generation of wear cracks.