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  • Effects of the tribological interface properties on the contact temperature calculation
    Kalin, Mitjan ; Vižintin, Jože
    Wear and friction properties of tribological interfaces depend significantly on the contact temperature and its determination is therefore of great interest for each tribological application. ... Temperature calculation methods available in literature use quite different physical, dynamic and geometric assumptions. As a consequence, large discrepancies in the results can be obtained for the same contact situation. Furthermore, among the necessary assumptions for the temperature calculations are also various interface properties, which are usually unknown due to many difficulties in their exact determination. That is to say, due to tribological actions interfaces are subjected to a change of mechanical, thermal and chemical properties, phase transformations, degradation of thin film in a boundary lubrication, etc. Although these are very well known facts, they are sometimes overlooked. In the present work effects of tribological interface between silicon nitride and steel under dry and boundary lubricated fretting conditions were studied. Effects of the change of its thermal properties, as well as the coefficient of friction and real contact area on the calculated flash temperature are presented. Ten different theoretical models were selected for the purposes of this investigation. Results show significant difference between the various models and especially, the critical importance of the tribological interface properties on the calculated temperatures.
    Vir: Thinning films and tribological interfaces : proceedings of the 26th Leeds-Lyon Symposium on Tribology held in the Institute of Tribology, School of Mechanical Engineering, The University of Leeds, UK, 14th - 17th September, 1999 (Str. 533-540)
    Vrsta gradiva - prispevek na konferenci
    Leto - 2000
    Jezik - angleški
    COBISS.SI-ID - 4438299

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