Acquisition of molecular rolling lubrication by self-curling of graphite nanosheet at cryogenic temperature
文献类型:期刊论文
作者 | Panpan Li1,4; Wenhao He4![]() ![]() ![]() ![]() ![]() ![]() |
刊名 | Nature Communications
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出版日期 | 2024-07 |
卷号 | 15期号:1页码:5747 |
DOI | 10.1038/s41467-024-49994-4 |
英文摘要 | Friction as a fundamental physical phenomenon dominates nature and human civilization, among which the achievement of molecular rolling lubrication is desired to bring another breakthrough, like the macroscale design of wheel. Herein, an edge self-curling nanodeformation phenomenon of graphite nanosheets (GNSs) at cryogenic temperature is found, which is then used to promote the formation of graphite nanorollers in friction process towards molecular rolling lubrication. The observation of parallel nanorollers at the friction interface give the experimental evidence for the occurrence of molecular rolling lubrication, and the graphite exhibits abnormal lubrication performance in vacuum with ultra-low friction and wear at macroscale. The molecular rolling lubrication mechanism is elucidated from the electronic interaction perspective. Experiments and theoretical simulations indicate that the driving force of the self-curling is the uneven atomic shrinkage induced stress, and then the shear force promotes the intact nanoroller formation, while the constraint of atomic vibration decreases the dissipation of driving stress and favors the nanoroller formation therein. It will open up a new pathway for controlling friction at microscale and nanostructural manipulation. |
URL标识 | 查看原文 |
语种 | 英语 |
源URL | [http://ir.licp.cn/handle/362003/30826] ![]() |
专题 | 兰州化学物理研究所_先进润滑与防护材料研究发展中心 |
通讯作者 | Li Ji; Zhibin Lu; Hongxuan Li; Jianmin Chen |
作者单位 | 1.Center of Materials Science and Optoelectronics Engineering, University of Chinese Academy of Sciences 2.Shanghai Aerospace Equipment Manufacture 3.Changchun Institute of Applied Chemistry, Chinese Academy of Sciences 4.State Key Laboratory of Solid Lubrication, Lanzhou Institute of Chemical Physics,Chinese Academy of Sciences |
推荐引用方式 GB/T 7714 | Panpan Li,Wenhao He,Pengfei Ju,et al. Acquisition of molecular rolling lubrication by self-curling of graphite nanosheet at cryogenic temperature[J]. Nature Communications,2024,15(1):5747. |
APA | Panpan Li.,Wenhao He.,Pengfei Ju.,Li Ji.,Xiaohong Liu.,...&Jianmin Chen.(2024).Acquisition of molecular rolling lubrication by self-curling of graphite nanosheet at cryogenic temperature.Nature Communications,15(1),5747. |
MLA | Panpan Li,et al."Acquisition of molecular rolling lubrication by self-curling of graphite nanosheet at cryogenic temperature".Nature Communications 15.1(2024):5747. |
入库方式: OAI收割
来源:兰州化学物理研究所
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