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Article: Large-scale molecular dynamics simulations of wear in diamond-like carbon at the nanoscale

TitleLarge-scale molecular dynamics simulations of wear in diamond-like carbon at the nanoscale
Authors
Issue Date2013
Citation
Applied Physics Letters, 2013, v. 103, n. 7, article no. 073118 How to Cite?
AbstractWe perform large-scale molecular dynamics simulations on diamond-like carbon to study wear mechanism and law at the nanoscale. Our simulations show that material loss during sliding varies linearly with normal load and sliding distance, consistent with Archard's law. Our simulations also show that the number of chemical bonds across the contact interface during sliding correlates well with friction force, but not with material loss, indicating that friction and wear follow different mechanisms. Our analysis reveals the following wear mechanism: the shear traction causes mass accumulation at the trailing end of contact, which is then lost by a cluster detachment process. © 2013 AIP Publishing LLC.
Persistent Identifierhttp://hdl.handle.net/10722/303408
ISSN
2023 Impact Factor: 3.5
2023 SCImago Journal Rankings: 0.976
ISI Accession Number ID

 

DC FieldValueLanguage
dc.contributor.authorSha, Zhen Dong-
dc.contributor.authorSorkin, Viacheslav-
dc.contributor.authorBranicio, Paulo S.-
dc.contributor.authorPei, Qing Xiang-
dc.contributor.authorZhang, Yong Wei-
dc.contributor.authorSrolovitz, David J.-
dc.date.accessioned2021-09-15T08:25:15Z-
dc.date.available2021-09-15T08:25:15Z-
dc.date.issued2013-
dc.identifier.citationApplied Physics Letters, 2013, v. 103, n. 7, article no. 073118-
dc.identifier.issn0003-6951-
dc.identifier.urihttp://hdl.handle.net/10722/303408-
dc.description.abstractWe perform large-scale molecular dynamics simulations on diamond-like carbon to study wear mechanism and law at the nanoscale. Our simulations show that material loss during sliding varies linearly with normal load and sliding distance, consistent with Archard's law. Our simulations also show that the number of chemical bonds across the contact interface during sliding correlates well with friction force, but not with material loss, indicating that friction and wear follow different mechanisms. Our analysis reveals the following wear mechanism: the shear traction causes mass accumulation at the trailing end of contact, which is then lost by a cluster detachment process. © 2013 AIP Publishing LLC.-
dc.languageeng-
dc.relation.ispartofApplied Physics Letters-
dc.titleLarge-scale molecular dynamics simulations of wear in diamond-like carbon at the nanoscale-
dc.typeArticle-
dc.description.naturelink_to_subscribed_fulltext-
dc.identifier.doi10.1063/1.4818713-
dc.identifier.scopuseid_2-s2.0-84882383136-
dc.identifier.volume103-
dc.identifier.issue7-
dc.identifier.spagearticle no. 073118-
dc.identifier.epagearticle no. 073118-
dc.identifier.isiWOS:000323769000079-

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