Because of the rising costs of engine tests, bench testing is a necessity in engine oil development. Which bench test to use remains a problem. Recently, we have reported on the use of electrical contact resistance (ECR) coupled with a ball-on-disk tribometer to study the formation and the durability of antiwear films from binary additive mixtures.This paper extends the ECR study to fully formulated fresh oils run in both fired gasoline engines and the ECR bench test. X-ray Photoelectron Spectroscopy (XPS) analyses of used Sequence VE engine parts from highash fully formulated lubricants are shown and the relationship of ECR film formation to fired-engine test performance is discussed.


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    Titel :

    Electrical Contact Resistance Bench Wear Testing: Comparison With Engine Test Results


    Weitere Titelangaben:

    Sae Technical Papers


    Beteiligte:
    Yamaguchi, E. S. (Autor:in) / Ryason, P. R. (Autor:in) / Roby, S. H. (Autor:in) / Yeh, S. W. (Autor:in)

    Kongress:

    SAE Powertrain & Fluid Systems Conference & Exhibition ; 2002



    Erscheinungsdatum :

    21.10.2002




    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Print


    Sprache :

    Englisch




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