Abstract This article analyses two types of surface modifications: DLC coating and texturing, together with their combined effect in lubricated contacts. Surfaces were textured using photolithography and chemical etching, whereas DLC coatings were deposited using the magnetron sputtering technique. The effect of these modifications on the friction coefficient and the failure mechanism of the surfaces are studied by means of ball-on-disc tests in a tribometer. A wide range of experimental conditions are covered, which includes from full film conditions to boundary lubrication. The results show a significant reduction in the friction coefficient mainly under severe working conditions. The analysis of the thermal effects and the wear track adds information that contributes to explain the friction reduction.

中文翻译：

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在润滑触点中引入 DLC 涂层和纹理表面的单独和综合影响

摘要 本文分析了两种类型的表面改性：DLC 涂层和纹理，以及它们在润滑接触中的综合效果。表面使用光刻和化学蚀刻进行纹理化，而 DLC 涂层使用磁控溅射技术沉积。这些修改对摩擦系数和表面失效机制的影响通过摩擦计中的球盘测试进行研究。涵盖了广泛的实验条件，包括从全膜条件到边界润滑。结果表明，摩擦系数显着降低，主要是在恶劣的工作条件下。热效应和磨损轨迹的分析增加了有助于解释摩擦减少的信息。