Due to its lower friction property, a hydrogen-free diamond-like carbon coating (DLC) obtained by an ion-plating physical vapor deposition (PVD) process as an amorphous carbon film (a-C) was applied to an engine valve lifter to reduce mechanical losses. The effect of the a-C coating on reducing friction was evaluated with an engine motoring tester using actual engine parts. To meet the specifications of the valve lifter, a study was made of the typical topography of the a-C coating surface profile and the effect of the film thickness against abrasive wear.


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    Titel :

    The Development of Hydrogen-free DLC-coated Valve-lifter


    Weitere Titelangaben:

    Sae Technical Papers


    Beteiligte:
    Izumi, Hiroyuki (Autor:in) / Kano, Makoto (Autor:in) / Hamada, Takahiro (Autor:in) / Yasuda, Yoshiteru (Autor:in) / Mabuchi, Yutaka (Autor:in)

    Kongress:

    SAE World Congress & Exhibition ; 2007



    Erscheinungsdatum :

    2007-04-16




    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Print


    Sprache :

    Englisch




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