A Finite Element Model for 2-Dimensional Slice of Cast Strand

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著者

    • HAN Heung Nam
    • Sheet Products & Process Research Team, Technical Research Labs., POSCO
    • LEE Jung-Eui
    • Sheet Products & Process Research Team, Technical Research Labs., POSCO
    • YEO Tae-jung
    • Sheet Products & Process Research Team, Technical Research Labs., POSCO
    • WON Young Mok
    • Sheet Products & Process Research Team, Technical Research Labs., POSCO
    • KIM Kyung-hyun
    • Sheet Products & Process Research Team, Technical Research Labs., POSCO
    • OH Kyu Hwan
    • Sheet Products & Process Research Team, Technical Research Labs., POSCO
    • YOON Jong-Kyu
    • Sheet Products & Process Research Team, Technical Research Labs., POSCO

抄録

A two-dimensional thermo-elasto-plastic finite element model for the analysis of thermo-mechanical behavior of strand in continuous casting process has been developed. The model incorporates the effect of microsegregation of solute elements on hot tears using a thermo-mechanical model of mushy zone and δ and γ phases. A finite element technique for the liquid region of the slice of strand, which can take the ferrostatic pressure due to gravity force into account, was proposed. The model successfully analyzed the thermo-mechanical behavior of the solidifying shell of slab in the mold during the solidification. The calculated results, such as the deformed geometries, the temperature history, the stress distribution and the formation of air gap between solidifying shell and mold in the continuous casting process of slab, were obtained. These were compared with the reported observations.

収録刊行物

  • ISIJ international

    ISIJ international 39(5), 445-454, 1999-05-15

    The Iron and Steel Institute of Japan

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