Static-to-sliding friction measurements

Peter Andersson, Lauri Kilpi, Kenneth Holmberg, Helena Ronkainen

    Research output: Contribution to conferenceConference articleScientificpeer-review


    Static friction is a phenomenon mainly regarded as related to frictional joints within static mechanics. At the onset of sliding in mechanical contacts, static friction determines the initial resistance against motion, which subsequently is superseded by sliding friction. Albeit being a phenomenon of short duration, the friction and particularly the wear phenomena during the transition from static friction to sliding friction, especially if repeated at significant numbers, may be of great importance for the operational life of the tribological contact. The paper describes the principles of static friction measurements, details of a newly developed static friction tribometer and examples of results from measurements with unlubricated and lubricated sample combinations at various loads. The material couples investigated were steel in contact with cast iron and steel in contact with white metal.
    Original languageEnglish
    Publication statusPublished - 2012
    MoE publication typeNot Eligible
    Event15th Nordic Symposium on Tribology, NORDTRIB 2012 - Trondheim, Norway
    Duration: 12 Jun 201215 Jun 2012
    Conference number: 15


    Conference15th Nordic Symposium on Tribology, NORDTRIB 2012
    Abbreviated titleNORDTRIB 2012


    • static friction
    • friction transitions
    • sliding friction
    • tribometer


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