Superlubric polycrystalline graphene interfaces

Superlubric polycrystalline graphene interfaces

Achieving ultra-low friction at macroscopic scales is highly desirable. In this work molecular dynamics simulations of graphitic contacts incorporating corrugated grain boundaries reveal an unusual non-monotonic variation of friction with normal load and temperature due to dynamic buckling effects.

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Autores principales: Xiang Gao, Wengen Ouyang, Michael Urbakh, Oded Hod
Formato: article
Lenguaje:EN
Publicado: Nature Portfolio 2021
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Acceso en línea:https://doaj.org/article/0b2a5f59036c4957a39778cbca3d18d1
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spelling oai:doaj.org-article:0b2a5f59036c4957a39778cbca3d18d12021-12-02T17:37:13ZSuperlubric polycrystalline graphene interfaces10.1038/s41467-021-25750-w2041-1723https://doaj.org/article/0b2a5f59036c4957a39778cbca3d18d12021-09-01T00:00:00Zhttps://doi.org/10.1038/s41467-021-25750-whttps://doaj.org/toc/2041-1723Achieving ultra-low friction at macroscopic scales is highly desirable. In this work molecular dynamics simulations of graphitic contacts incorporating corrugated grain boundaries reveal an unusual non-monotonic variation of friction with normal load and temperature due to dynamic buckling effects.Xiang GaoWengen OuyangMichael UrbakhOded HodNature PortfolioarticleScienceQENNature Communications, Vol 12, Iss 1, Pp 1-9 (2021)
institution DOAJ
collection DOAJ
language EN
topic Science
Q
spellingShingle Science
Q
Xiang Gao
Wengen Ouyang
Michael Urbakh
Oded Hod
Superlubric polycrystalline graphene interfaces
description Achieving ultra-low friction at macroscopic scales is highly desirable. In this work molecular dynamics simulations of graphitic contacts incorporating corrugated grain boundaries reveal an unusual non-monotonic variation of friction with normal load and temperature due to dynamic buckling effects.
format article
author Xiang Gao
Wengen Ouyang
Michael Urbakh
Oded Hod
author_facet Xiang Gao
Wengen Ouyang
Michael Urbakh
Oded Hod
author_sort Xiang Gao
title Superlubric polycrystalline graphene interfaces
title_short Superlubric polycrystalline graphene interfaces
title_full Superlubric polycrystalline graphene interfaces
title_fullStr Superlubric polycrystalline graphene interfaces
title_full_unstemmed Superlubric polycrystalline graphene interfaces
title_sort superlubric polycrystalline graphene interfaces
publisher Nature Portfolio
publishDate 2021
url https://doaj.org/article/0b2a5f59036c4957a39778cbca3d18d1
work_keys_str_mv AT xianggao superlubricpolycrystallinegrapheneinterfaces
AT wengenouyang superlubricpolycrystallinegrapheneinterfaces
AT michaelurbakh superlubricpolycrystallinegrapheneinterfaces
AT odedhod superlubricpolycrystallinegrapheneinterfaces
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