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열간압연 ROT에서 고강도강의 CSTC 개발
CSTC of High Strength Steel for ROT Process in Hot Strip Mills

박철재   ((주)포스코CC0034101  );
  • 초록

    This paper proposes a cooling stop temperature control(CSTC) concept which aims at obtaining the uniform temperature and quality of the material along the longitudinal and lateral direction of the strip. The CSTC is designed using the experimental CCT(Continuous Cooling Transformation), TTT(Time Temperature Transformation) curves and the temperature control model by the heat transfer governing equation, and the temperature control simulator. The cooling pattern and the rolling speed can be solved by the CSTC. It is shown through the field test of the hot strip mill of POSCO that the phase transformation ratio of the high carbon steel is considerably improved by the proposed temperature control.


  • 주제어

    cooling stop temperature .   temperature control .   cooling pattern .   transformation .   carbon steel.  

  • 참고문헌 (23)

    1. N. S. Samaras and M. A. Simaan, 'Water-cooled end-point boundary temperature control of hot strip via dynamic programming,' IEEE Transactions on Industry Applications, vol. 34, no. 6, pp. 1335-1341, 1998 
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    19. G. V. Ditzhuijzen, 'The controlled cooling of hot rolled strip: a combination of physical modeling, control problems and practical adaptation,' IEEE Trans. on Automatic Control, vol. 38, no. 7, pp. 1060-1065, 1993 
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  • 이 논문을 인용한 문헌 (2)

    1. Park, Cheol-Jae 2011. "Temperature and Property Control of High Strength Steel in Hot Strip Mills" 한국생산제조시스템학회지 = Journal of the Korean Society of Manufacturing Technology Engineers, 20(6): 817~823     
    2. Park, Cheol Jae 2015. "Independent Cooling Controller for Temperature Control of High Strength and Atmosphere Corrosion Resisting Steel in Hot Strip Mills" 大韓機械學會論文集. Transactions of the Korean Society of Mechanical Engineers. A. A, 39(3): 327~335     

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