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Article: Effect of temperature on single asperity contact and separation in Au

TitleEffect of temperature on single asperity contact and separation in Au
Authors
Song, JunSrolovitz, David J.
KeywordsMolecular dynamics
Phase transformations
Mechanical twinning
Issue Date2007
Citation
Scripta Materialia, 2007, v. 57, n. 9, p. 885-888 How to Cite?
DOI: http://dx.doi.org/10.1016/j.scriptamat.2007.06.065
AbstractWe performed a series of molecular dynamics simulations of contact and separation of two Au surfaces at different temperatures. The pull-off force decreases monotonically with increasing temperature except for an abrupt rise that occurs between T1 ≤ T ≤ T2. This abrupt rise can be traced to a series of phase transformations in the sample during separation (face-centered cubic (fcc) → hexagonal close-packed → fcc) at elevated temperatures. The new fcc structure has a lower Schmid factor than the original fcc structure and consequently exhibits higher tensile strength. © 2007 Acta Materialia Inc.
Persistent Identifierhttp://hdl.handle.net/10722/303863
ISSN
1359-6462
2023 Impact Factor: 5.3
2023 SCImago Journal Rankings: 1.738
ISI Accession Number ID
WOS:000249356800025

 

DC FieldValueLanguage
dc.contributor.authorSong, Jun-
dc.contributor.authorSrolovitz, David J.-
dc.date.accessioned2021-09-15T08:26:10Z-
dc.date.available2021-09-15T08:26:10Z-
dc.date.issued2007-
dc.identifier.citationScripta Materialia, 2007, v. 57, n. 9, p. 885-888-
dc.identifier.issn1359-6462-
dc.identifier.urihttp://hdl.handle.net/10722/303863-
dc.description.abstractWe performed a series of molecular dynamics simulations of contact and separation of two Au surfaces at different temperatures. The pull-off force decreases monotonically with increasing temperature except for an abrupt rise that occurs between T1 ≤ T ≤ T2. This abrupt rise can be traced to a series of phase transformations in the sample during separation (face-centered cubic (fcc) → hexagonal close-packed → fcc) at elevated temperatures. The new fcc structure has a lower Schmid factor than the original fcc structure and consequently exhibits higher tensile strength. © 2007 Acta Materialia Inc.-
dc.languageeng-
dc.relation.ispartofScripta Materialia-
dc.subjectMolecular dynamics-
dc.subjectPhase transformations-
dc.subjectMechanical twinning-
dc.titleEffect of temperature on single asperity contact and separation in Au-
dc.typeArticle-
dc.description.naturelink_to_subscribed_fulltext-
dc.identifier.doi10.1016/j.scriptamat.2007.06.065-
dc.identifier.scopuseid_2-s2.0-34547773810-
dc.identifier.volume57-
dc.identifier.issue9-
dc.identifier.spage885-
dc.identifier.epage888-
dc.identifier.isiWOS:000249356800025-

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