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    STP1600

    Divorced Eutectoid Transformation in the Spheroidization of Bearing Steels

    Published: 11 December 2017


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    Abstract

    Using dilatometry, it was possible to follow the various phase transformations encountered while spheroidizing-annealing bearing steels. A steel with 0.67 wt% carbon has been considered in the present study, as an example, where the starting microstructure was tough-tempered martensite. In addition, the widely used bearing steel 100Cr6 was investigated as a reference. The aim of the work was to focus on the austenite transformation into divorced pearlite in an attempt to optimize currently employed spheroidizing-annealing heat treatment schedules.

    Keywords:

    divorced eutectoid transformation (DET), spheroidizing-annealing, dilatometry


    Author Information:

    Sherif, Mohamed Y.
    SKF B.V., SKF Engineering & Research Centre, Nieuwegein,

    Huang, Hanzheng
    SKF B.V., SKF Engineering & Research Centre, Nieuwegein,


    Committee/Subcommittee: A01.28

    DOI: 10.1520/STP160020160159