Abstract
Abstract Leveraging surface texturing to realize significant friction reduction at contact interfaces has emerged as a preferred technique among tribology experts, boosting tribological energy efficiency and sustainability. This review systematically demonstrates optimization strategies, advanced manufacturing methods, typical applications, and outlooks of technical challenges toward surface texturing for friction reduction. Firstly, the lubricated contact models of microtextures are introduced. Then, we provide a framework of state-of-the-art research on synergistic friction optimization strategies of microtexture structures, surface treatments, liquid lubricants, and external energy fields. A comparative analysis evaluates the strengths and weaknesses of manufacturing techniques commonly employed for microtextured surfaces. The latest research advancements in microtextures in different application scenarios are highlighted. Finally, the challenges and directions of future research on surface texturing technology are briefly addressed. This review aims to elaborate on the worldwide progress in the optimization, manufacturing, and application of microtexture-enabled friction reduction technologies to promote their practical utilizations.
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