Texture and Deformation Behavior through Thickness Direction in Strip-cast 4.5wt% Si Steel Sheet

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著者

    • PARK Jae Young
    • School of Materials Science and Engineering, Seoul National University
    • OH Kyu Hwan
    • School of Materials Science and Engineering, Seoul National University
    • RA Hyung Yong
    • School of Materials Science and Engineering, Seoul National University

抄録

Fe–4.5wt%Si strips were made using vertical type twin-roll strip casting process, and the microstructure and texture of as-cast strips were studied through thickness direction. The heterogeneity of the texture and microstructure through thickness direction was observed. Between the subsurface layer and the middle layer, Goss texture, with the subgrains of low angle grain boundary was evolved by the shear deformation. In the center layer, major rolling and recrystallization textures with minor solidification texture were evolved.<br>The deformation behavior during strip casting process was simulated by hot rolling of Al alloy with temperature gradient through thickness direction. And the shear and normal strains distribution through thickness direction were measured. The heterogeneity of the texture and the microstructure through thickness direction resulted from the strength gradient, which originated from the temperature gradient through thickness direction.

収録刊行物

  • ISIJ international  

    ISIJ international 40(12), 1210-1215, 2000-12-15 

    The Iron and Steel Institute of Japan

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