Increased use of powder-forged connecting rods in the automotive industry prompted an investigation into the suitability of powders from different suppliers for this application. Specifications developed by North American users call for ultra clean powders to enhance machinability and fatigue life. Powders from four manufacturers were each blended with graphite and lubricant, then pressed, sintered and forged to full density. Metallographic samples were prepared and evaluated for inclusion content. In addition, the powders were mixed to the composition of connecting rods, (C - 0.5 %, Cu - 2 % and MnS - 0.3 %), and were similarly pressed, sintered and forged. Test bars were machined from the forged discs. Uniaxial fatigue tests were performed in the tension-compression mode and strain-life curves were developed.


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    Title :

    Steel powders for high performance automotive parts


    Additional title:

    Stahlpulver für Hochleistungsautomobilteile


    Contributors:
    Chernenkoff, R.A. (author) / Hall, D.W. (author) / Mocarski, S. (author) / Pease, L.F. (author)

    Published in:

    Publication date :

    1994


    Size :

    13 Seiten, 13 Bilder, 2 Tabellen, 16 Quellen



    Type of media :

    Conference paper


    Type of material :

    Print


    Language :

    English




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