气体吸附对暴露/覆盖的石墨原子台阶边缘摩擦力的影响
Effect of Gas Adsorption on Friction of Exposed/Covered Graphite Atom Step Edge
DOI: 10.12677/MS.2018.86091, PDF,    国家自然科学基金支持
作者: 唐笑语, 贡 健, 陈 磊：西南交通大学，四川 成都
关键词: 石墨；暴露原子台阶；覆盖原子台阶；摩擦力；气体吸附；Graphite； Exposed Atomic Step； Covered Atom Step； Friction； Gas Adsorption
摘要: 石墨具有优异的润滑性能，在航空航天和微纳器件润滑领域具有广阔的应用前景。本文借助原子力显微镜外接自制的气氛控制装置，探究了气体吸附对暴露和覆盖的石墨原子台阶边缘摩擦力的影响。研究结果表明台阶边缘气体吸附对暴露的石墨原子台阶边缘摩擦力影响显著，而覆盖的原子台阶边缘摩擦力不受环境气氛影响。
Abstract: Due to its excellent lubricating properties, graphite has broad application prospects as a lubrication used in the fields of aerospace and micro-nano devices. In this paper, the effects of gas adsorption on friction force at the exposed graphite atomic step edge and the covered graphite atomic step edge were explored by an atomic force microscope contented with a home-made atmosphere control system. The results show that the friction force at the exposed graphite atomic step edge strongly depends on the gas adsorption; however, the frictional force at the covered atomic step edge is insensitive to the change of environmental atmosphere.
文章引用：唐笑语, 贡健, 陈磊. 气体吸附对暴露/覆盖的石墨原子台阶边缘摩擦力的影响[J]. 材料科学, 2018, 8(6): 775-781. https://doi.org/10.12677/MS.2018.86091

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