Automatic transmission clutches are complex tribological systems. Frictional performance is controlled by the interaction of base fluids, additive components, composition clutches, and steel reaction plates with varying energy inputs and thermal stresses in an oxidizing environment. This paper, rather than addressing fully formulated fluid performance in such a system, takes a more fundamental approach where the number of system variables is reduced and the relative effects of formulation variables on system performance can be better examined. Relationships among observed friction performance, system oxidation, friction member condition, and representative performance additives are explored using a synthetic base fluid and a conventionally refined mineral base fluid.


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    Title :

    Fundamental Studies on ATF Friction I


    Additional title:

    Sae Technical Papers


    Contributors:

    Conference:

    International Spring Fuels & Lubricants Meeting & Exposition ; 1997



    Publication date :

    1997-05-01




    Type of media :

    Conference paper


    Type of material :

    Print


    Language :

    English




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    Fundamental Studies on ATF Friction, Part II

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    Fundamental studies of automatic transmission fluid friction, part II

    Tipton,C.D. / Huston,M.E. / Wetsel,W.R. et al. | Automotive engineering | 1998