Volume 8, Issue 9 (October 2011)

    New Cast Iron Alloys with High Wear Resistance at Elevated Temperatures

    (Received 12 July 2010; accepted 27 June 2011)

    Published Online: 2011

    CODEN: JAIOAD

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    Abstract

    New production processes demand a higher wear resistance of tools, especially at elevated temperatures, in order to make the business more profitable and effective. Based on equilibrium calculations, new cast iron alloys have been developed. The influence of different alloying elements was investigated before first bulk materials were casted. The materials were tested with respect to their microstructure, hardness, (micro)red hardness, fracture toughness, and wear properties (at room and elevated temperatures) and compared to the standard high speed steel HS6-5-3 (≈ M3 class 2). It turns out that one of the new alloys has comparable mechanical properties but superior wear resistance, especially at elevated temperatures, thanks to a tripled carbide content and increased temperature strength of the matrix material.


    Author Information:

    Theisen, Werner
    Professor, Ruhr Universitaet Bochum,

    Gevelmann, Gerhard
    Ruhr Universitaet Bochum,


    Stock #: JAI103236

    ISSN: 1546-962X

    DOI: 10.1520/JAI103236

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    Author
    Title New Cast Iron Alloys with High Wear Resistance at Elevated Temperatures
    Symposium 18th IFHTSE Congress, 2010-07-26
    Committee A01