Laboratory studies on hardness, microhardness, microstructure and tribological properties of diesel engine T359E laser-hardened crankshaft bearing journals, valve shaft journals and cams, valve lifters and timing gear system elements made of 40H or 45 steel and a gray low-alloy cast iron were performed. The results of tribological and engine broke tests evidenced a beneficial effect of the thermal laser-treatment on the wear resistance of the studied engine elements. The abrasion wear decreased by 1.5 times to 2 times in comparison with abrasion wear of the untreated elements. (Surface Treatment '2002, 5th Polish Sci. Conf., Czestochowa Kule, PL, Sep 18ß20, 2002)


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    Title :

    Wplyw obrobki laserowej na wlasciwosci wybranych elementow silnika spalinowego


    Additional title:

    Einfluss der Laserbehandlung auf die Eigenschaften von Verbrennungsmotorteilen
    Effect of laser treatment on properties of combustion engine elements


    Contributors:

    Published in:

    Inzynieria materialowa ; 23 , 5 ; 547-553


    Publication date :

    2002


    Size :

    7 Seiten, 14 Bilder, 12 Quellen



    Type of media :

    Article (Journal)


    Type of material :

    Print


    Language :

    Polish