This method is designed to evaluate the micropitting performance of currently available and future aviation turbine oil formulations. Drawing on previously performed tests documented in AIR6989, the method comprises of three rings rotating against a rotating central roller configuration using the standard, commercially available PCS Instruments Micropitting Rig (MPR). A test profile has been developed between industry and academia that relies on standard, commercially available test specimens. An industry survey determined that there is a concern over micropitting in aviation turbine bearings and gears. While there is no evidence that micropitting is associated with existing AS5780 qualified oil formulations, it is worthwhile establishing a screening method to document qualified and new candidate formulations for micropitting performance.


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    Title :

    MPR Micropitting Test Method


    Publication date :

    2023-05-30



    Type of media :

    Conference paper


    Type of material :

    Print


    Language :

    English




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