3D stress simulation and parameter design during twin-roll casting of 304 stainless steel based on the Anand model

Jing Guo, Yuan-yuan Liu, Li-gang Liu, Yue Zhang, Qing-xiang Yang

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    Jing Guo, Yuan-yuan Liu, Li-gang Liu, Yue Zhang, and Qing-xiang Yang, 3D stress simulation and parameter design during twin-roll casting of 304 stainless steel based on the Anand model, Int. J. Miner. Metall. Mater., 21(2014), No. 7, pp.666-673. https://dx.doi.org/10.1007/s12613-014-0956-z
    Jing Guo, Yuan-yuan Liu, Li-gang Liu, Yue Zhang, and Qing-xiang Yang, 3D stress simulation and parameter design during twin-roll casting of 304 stainless steel based on the Anand model, Int. J. Miner. Metall. Mater., 21(2014), No. 7, pp.666-673. https://dx.doi.org/10.1007/s12613-014-0956-z
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    3D stress simulation and parameter design during twin-roll casting of 304 stainless steel based on the Anand model

    • State Key Laboratory of Metastable Materials Science & Technology, Yanshan University, Qinhuangdao, 066004, China

    • Nanjing Iron & Steel Co., ltd., Nanjing, 210035, China

    • School of Material Science and Engineering, University of Science and Technology Beijing, Beijing, 100081, China

    基金项目: 

    The authors would like to express their gratitude for projects supported by Natural Science Foundation of Hebei Province, China (E2012203019).

      通信作者:

      Qing-xiang Yang E-mail: qxyang@ysu.edu.cn

    中文摘要

    This study first investigated cracks on the surface of an actual steel strip. Formulating the Anand model in ANSYS software, we then simulated the stress field in the molten pool of type 304 stainless steel during the twin-roll casting process. Parameters affecting the stress distribution in the molten pool were analyzed in detail and optimized. After twin-roll casting, a large number of transgranular and intergranular cracks resided on the surface of the thin steel strip, and followed a tortuous path. In the molten pool, stress was enhanced at the exit and at the roller contact positions. The stress at the exit decreased with increasing casting speed and pouring temperature. To ensure high quality of the fabricated strips, the casting speed and pouring temperature should be controlled above 0.7 m/s and 1520°C, respectively.

     

    3D stress simulation and parameter design during twin-roll casting of 304 stainless steel based on the Anand model

    Author Affilications

      • State Key Laboratory of Metastable Materials Science & Technology, Yanshan University, Qinhuangdao, 066004, China

      • Nanjing Iron & Steel Co., ltd., Nanjing, 210035, China

      • School of Material Science and Engineering, University of Science and Technology Beijing, Beijing, 100081, China

    • Funds: 

      The authors would like to express their gratitude for projects supported by Natural Science Foundation of Hebei Province, China (E2012203019).

    • Received: 11 December 2013; Revised: 12 January 2014; Accepted: 15 January 2014;
    This study first investigated cracks on the surface of an actual steel strip. Formulating the Anand model in ANSYS software, we then simulated the stress field in the molten pool of type 304 stainless steel during the twin-roll casting process. Parameters affecting the stress distribution in the molten pool were analyzed in detail and optimized. After twin-roll casting, a large number of transgranular and intergranular cracks resided on the surface of the thin steel strip, and followed a tortuous path. In the molten pool, stress was enhanced at the exit and at the roller contact positions. The stress at the exit decreased with increasing casting speed and pouring temperature. To ensure high quality of the fabricated strips, the casting speed and pouring temperature should be controlled above 0.7 m/s and 1520°C, respectively.

     

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