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    Volume 2, Issue 2 (February 2005)

    Steel Superstrengthening Phenomenon

    (Received 22 March 2004; accepted 14 October 2004)

    Published Online: 31 January 2005


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    This paper deals with the discovered property of additional steel strengthening (superstrengthening), which is observed at high cooling rates within the martensite range. It has been shown that the cooling intensification before the martensite start (Ms) does not result in the additional strengthening of the martensite structure of the material. Only over-critical high cooling rates within the martensite range gives positive effect. This discovered property can be used in practice at two-stage quenching. At the first stage the parts of alloy steels are cooled slowly to avoid distortion and cracks, and at the second stage the parts are cooled at the maximum cooling rate to get the effect of additional strengthening of material, which has the martensite structure. In this case the second stage and part's washing may be a single process.

    Author Information:

    Kobasko, NI
    Intensive Technologies, Ltd., Kiev,

    Stock #: JAI12824


    DOI: 10.1520/JAI12824

    Title Steel Superstrengthening Phenomenon
    Symposium ,
    Committee A01