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dc.citation.endPage 12 -
dc.citation.number 1 -
dc.citation.startPage 1 -
dc.citation.title TRIBOLOGY LETTERS -
dc.citation.volume 1 -
dc.contributor.author Reiter, Guenter -
dc.contributor.author Demirel, A. Levent -
dc.contributor.author Peanasky, John -
dc.contributor.author Cai, Lenore -
dc.contributor.author Granick, Steve -
dc.date.accessioned 2023-12-22T12:41:47Z -
dc.date.available 2023-12-22T12:41:47Z -
dc.date.created 2020-08-05 -
dc.date.issued 1995-06 -
dc.description.abstract We studied the shear response of a confined lubricant layer on approach of the transition to sliding with a surface force apparatus modified for oscillatory shear. In a given experiment, we found that the transition to sliding occurred always around the same deformation amplitude although the shear stress needed to initiate sliding varied up to a factor of two depending on sample history. This suggests the concept of deformation-controlled switching from rest to sliding. The elastic spring-constant, in the stick state, weakened with increasing deformation amplitude. This decrease can be described by a power law when plotted versus the distance to a critical deformation amplitude. The build-up of solid-like behavior after sliding stopped was also gradual and was consistent with a logarithmic time dependence. We suggest a model relating the gradual decrease of stiffness to weakening of the boundary layer, specifically to destruction of some elastic links between molecules or between molecules and the solid surfaces. Static friction (the force that must be overcome at the onset of kinetic motion) is proportional to the number of such links formed during the time of stick. -
dc.identifier.bibliographicCitation TRIBOLOGY LETTERS, v.1, no.1, pp.1 - 12 -
dc.identifier.doi 10.1007/BF00157970 -
dc.identifier.issn 1023-8883 -
dc.identifier.scopusid 2-s2.0-0042089561 -
dc.identifier.uri https://scholarworks.unist.ac.kr/handle/201301/47438 -
dc.identifier.url https://link.springer.com/article/10.1007%2FBF00157970 -
dc.identifier.wosid 000207955400003 -
dc.language 영어 -
dc.publisher SPRINGER/PLENUM PUBLISHERS -
dc.title What determines static friction and controls the transition to sliding? -
dc.type Article -
dc.description.isOpenAccess FALSE -
dc.relation.journalWebOfScienceCategory Engineering, Chemical; Engineering, Mechanical -
dc.relation.journalResearchArea Engineering -
dc.type.docType Article -
dc.description.journalRegisteredClass scie -
dc.description.journalRegisteredClass scopus -
dc.subject.keywordAuthor static friction -
dc.subject.keywordAuthor surface force apparatus -
dc.subject.keywordAuthor confined liquid lubricant -
dc.subject.keywordAuthor history-dependent shear response -
dc.subject.keywordAuthor deformation threshold -

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