STP1523

    Model of Solid State Transformations of Ductile Cast Iron GJS-600

    Published: Jan 2010


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    Abstract

    To quantify the way in which microstructure, stress, and distortion develop during the cooling of a ductile cast iron GJS-600 after its solidification and to predict the final thermomechanical properties of this material, it is necessary to identify all the metallurgical evolutions in solid state which occur after the casting in a sand mold. The present work deals with the influence of cooling conditions on the solid state transformations of a ductile cast iron austenitized for short periods and considering the initial carbon gradient. Numerical predictions for the modeling of the microstructure evolution and for the thermal strain development are validated with experimental results and show good agreement.

    Keywords:

    phase transformation, continuous cooling, diffusion, ductile cast iron, dilatometry


    Author Information:

    Runser, V.
    University of Karlsruhe, KarlsruheGermany, TH

    Schulze, V.
    University of Karlsruhe, KarlsruheGermany, TH


    Paper ID: STP49156S

    Committee/Subcommittee: D02.03

    DOI: 10.1520/STP49156S


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