Engine oil shear stability data from six U.S. and two European car fleets have been obtained using 13 ASTM Reference Oils. These data were obtained to serve as the basis for evaluating the ability of laboratory tests to predict the shear stability of multigrade engine oils in service.Four types of laboratory bench tests and three different laboratory engine tests were evaluated in an initial program. Based on the results of these tests, additional programs are under way using diesel injector rigs and single-cylinder motored engines in an attempt to improve correlation with the field data. A tapered bearing shear stability tester, not included in the initial program, is also being evaluated. In addition, some recent shear stability activities by the Cooperative European Council are summarized briefly.Engine oil shear stability data from six U.S. and two European car fleets have been obtained using 13 ASTM Reference Oils. These data were obtained to serve as the basis for evaluating the ability of laboratory tests to predict the shear stability of multigrade engine oils in service.Four types of laboratory bench tests and three different laboratory engine tests were evaluated in an initial program. Based on the results of these tests, additional programs are under way using diesel injector rigs and single-cylinder motored engines in an attempt to improve correlation with the field data. A tapered bearing shear stability tester, not included in the initial program, is also being evaluated. In addition, some recent shear stability activities by the Cooperative European Council are summarized briefly.


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    Titel :

    Predicting the Shear Stability of Multigrade Engine Oils from Bench Tests


    Weitere Titelangaben:

    Sae Technical Papers


    Beteiligte:
    McMillan, M. L. (Autor:in) / Stewart, R. M. (Autor:in)

    Kongress:

    1975 Automotive Engineering Congress and Exposition ; 1975



    Erscheinungsdatum :

    1975-02-01




    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Print


    Sprache :

    Englisch


    Schlagwörter :


    A Bench Scale Engine Test for Shear Stability of Multigrade Engine Oils

    Talbot, A. F. / Morris, H. I. / Wright, W. A. | SAE Technical Papers | 1973


    MULTIGRADE OILS

    MOXEY, JOHN G. | SAE Technical Papers | 1955


    Mechanical degradation of multigrade oils in laboratory engine tests

    Flamberg,A. / Koller,R.D. / Herbeaux,J.L. et al. | Kraftfahrwesen | 1994


    Mechanical Degradation of Multigrade Oils in Laboratory Engine Tests

    Flamberg, Alan / Herbeaux, Jean-Luc / Koller, Robert D. et al. | SAE Technical Papers | 1994


    Multigrade oils

    Moxey, Jr., J.G. | Engineering Index Backfile | 1955