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Thermal activation Eyring energy approach to characterise the dependence of nanoscale friction on the surface roughness
Tribology International ( IF 6.2 ) Pub Date : 2020-11-01 , DOI: 10.1016/j.triboint.2020.106532
J. Umer , F. Saleem , M. Asim , M. Usman , M.S. Kamran , K. Alam , M. Mohammadpour

Abstract Atomic Force Microscope (AFM) is used to characterise the frictional response of surfaces with varying roughness parameters in dry and in the presence of fully formulated lubricants. The surface roughness has shown to affect nanoscale friction. The characteristics involved the investigation of roughness, small-scale adhesive forces and nanoscale friction using AFM in lateral force mode. The fluid-cell Lateral Force Microscopy (LFM) results were used to model thermal activation Eyring energy components in conjunction with the relevant continuum contact mechanics model. The paper shows that a combination of LFM, for dry and fluid-cell LFM and thermal activation Eyring energy barrier approach is a useful tool to explain the effect of surface roughness on nanoscale friction.

中文翻译:

表征纳米级摩擦对表面粗糙度依赖性的热活化艾林能量方法

摘要 原子力显微镜 (AFM) 用于表征具有不同粗糙度参数的表面在干燥和全配方润滑剂存在下的摩擦响应。表面粗糙度已显示影响纳米级摩擦。特征涉及在横向力模式下使用 AFM 研究粗糙度、小规模粘附力和纳米级摩擦。流体单元横向力显微镜 (LFM) 结果用于结合相关的连续接触力学模型对热激活 Eyring 能量分量进行建模。该论文表明,用于干细胞和流体细胞 LFM 的 LFM 与热激活 Eyring 能垒方法的组合是解释表面粗糙度对纳米级摩擦影响的有用工具。
更新日期:2020-11-01
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