Some new insights on the special features of gear lubrication in relation to the effective viscosity of polymer thickened oils were obtained by experiments using an IAE gear tester. It was found that the load carrying capacity of multigrade oils correlates with the viscosity after a 60 min sonic shear stability test and the change of bulk viscosity during operation of a gear system can be calculated from the EHL film thickness and the assumed extent of viscosity loss in sheared area.


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    Title :

    Effective Viscosity of Polymer Thickened Oils in Gear Lubrication


    Additional title:

    Sae Technical Papers


    Contributors:
    Hoshino, M. (author) / Nakayama, T. (author)

    Conference:

    1981 SAE International Fall Fuels and Lubricants Meeting and Exhibition ; 1981



    Publication date :

    1981-10-01




    Type of media :

    Conference paper


    Type of material :

    Print


    Language :

    English




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