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首页> 外文期刊>Tribology International >Nanostructured tribolayer-dependent lubricity of graphene and modified graphene nanoflakes on sliding steel surfaces in humid air
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Nanostructured tribolayer-dependent lubricity of graphene and modified graphene nanoflakes on sliding steel surfaces in humid air

机译：石墨烯的纳米结构逐渐依赖性润滑性和改性石墨烯纳米薄膜在潮湿空气中的滑动钢表面上

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摘要

Graphene and modified graphene can provide exceptional lubrication when used as additives. Here, we applied several types of graphene on steel tribo-couples to perform friction tests. The results indicate that the solution concentration and processing method regarding the graphene-containing alcohol solution can significantly affect the lubrication performance. Graphene nanoflakes aggregated on the sliding interfaces and underwent structural transformation under high contact pressure after the alcohol completely evaporated. The wear track and wear scar were then effectively protected by the in situ as-formed tribolayer. In contrast, a tribolayer could not form when the tribo-couples slid in a solution environment, as the graphene adsorbed on the contact area could be removed away by the alcohol.
机译：石墨烯和改性石墨烯可以在用作添加剂时提供卓越的润滑。 在这里，我们在钢铁摩擦圆上应用了几种类型的石墨烯来进行摩擦测试。 结果表明，关于含石墨烯醇溶液的溶液浓度和加工方法可以显着影响润滑性能。 石墨烯纳米薄片在醇完全蒸发后在滑动界面上聚集在滑动界面和高接触压力下的结构变换。 然后，耐磨轨道和磨损瘢痕被原位的AS-形成的Tribolayer有效保护。 相反，当摩擦耦合在解决方案环境中滑动时，迪拉丝不能形成，因为吸附在接触面积上的石墨烯可以被醇移除。

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