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231225s2020 xx |||||o 00| ||eng c |
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|a 10.1002/adma.202002039
|2 doi
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|a pubmed24n1043.xml
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|a (DE-627)NLM312913826
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|a (NLM)32715515
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|a DE-627
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|e rakwb
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|a eng
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| 100 |
1 |
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|a Li, Panpan
|e verfasserin
|4 aut
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| 245 |
1 |
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|a Toward Robust Macroscale Superlubricity on Engineering Steel Substrate
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|c 2020
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
|b c
|2 rdamedia
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|a ƒa Online-Ressource
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|a Date Revised 07.12.2020
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|a published: Print-Electronic
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|a Citation Status PubMed-not-MEDLINE
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|a © 2020 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.
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|a "Structural superlubricity" is an important fundamental phenomenon in modern tribology that is expected to greatly diminish friction in mechanical engineering, but now is limited to achieve only at nanoscale and microscale in experiment. A novel principle for broadening the structural superlubricating state based on numberless micro-contact into macroscale superlubricity is demonstrated. The topography of micro-asperities on engineering steel substrates is elaborately constructed to divide the macroscale surface contact into microscale point contacts. Then at each contact point, special measures such as pre-running-in period and coating heterogeneous covalent/ionic or ionic/ionic nanocomposite of 2D materials are devised to manipulate the interfacial ordered layer-by-layer state, weak chemical interaction, and incommensurate configuration, thereby satisfying the prerequisites responsible for structural superlubricity. Finally, the robust superlubricating states on engineering steel-steel macroscale contact pairs are achieved with significantly reduced friction coefficient in 10-3 magnitude, extra-long antiwear life (more than 1.0 × 106 laps), and good universality to wide range of materials and loads, which can be of significance for the industrialization of "structural superlubricity."
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|a Journal Article
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|a 2D nanomaterials
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|a engineering steel substrates
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|a macroscale
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| 650 |
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|a structural superlubricity
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1 |
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|a Ju, Pengfei
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Ji, Li
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Li, Hongxuan
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Liu, Xiaohong
|e verfasserin
|4 aut
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| 700 |
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|a Chen, Lei
|e verfasserin
|4 aut
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|a Zhou, Huidi
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Chen, Jianmin
|e verfasserin
|4 aut
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| 773 |
0 |
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|i Enthalten in
|t Advanced materials (Deerfield Beach, Fla.)
|d 1998
|g 32(2020), 36 vom: 24. Sept., Seite e2002039
|w (DE-627)NLM098206397
|x 1521-4095
|7 nnns
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| 773 |
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|g volume:32
|g year:2020
|g number:36
|g day:24
|g month:09
|g pages:e2002039
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|u http://dx.doi.org/10.1002/adma.202002039
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