In recent years, carbon nanotubes (CNTs) have been receiving a lot of attention in the tribological research community due to their shape, high aspect ratio, sp~2-carbon hybridization state and high flexibility. These characteristics rendered them as a promising candidate for solid lubrication or as a lubricant additive. Several studies have proved the ability of CNTs to reduce friction and wear, for example when used as reinforcement phase in composites , as protective film , solid lubricant or lubricant additive . However, the tribomechanisms of the used carbon nanoparticles are still not well understood. Additionally, studies about the tribological behaviour of laser structured metallic surfaces have also demonstrated a reduction in friction and wear. Yet, to the best of our knowledge, a combination of both features was never considered in the literature.
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