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Prediction of thermal responses in continuous hot strip rolling processes

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Abstract

Thermal behavior and required power in hot continuous strip rolling are predicted by means of a coupled finite element-upper bound approach. A thermal-finite element analysis is utilized to simultaneously determine temperature distributions within the work-piece and the work-rolls while an upper bound solution is employed at the same time to estimate the rate of heat of deformation and the required power in each rolling stand. The proposed model can be applied for determining thermal behaviors of the strip and the work-rolls in single and multi- pass rolling schedules while the effects of different parameters including initial temperature and rolling speed can be considered in the analysis. To verify the predictions, the measured and predicted temperature–time diagrams during single- and double-pass rolling layout are compared and a reasonable agreement is observed.

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Authors and Affiliations

  1. Department of Materials Science and Engineering, Sharif University of Technology, Azadi Ave., Tehran, Iran

    H. Sayadi & S. Serajzadeh

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  1. H. Sayadi
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  2. S. Serajzadeh
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Correspondence to S. Serajzadeh.

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Sayadi, H., Serajzadeh, S. Prediction of thermal responses in continuous hot strip rolling processes. Prod. Eng. Res. Devel. 9, 79–86 (2015). https://doi.org/10.1007/s11740-014-0577-4

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  • DOI: https://doi.org/10.1007/s11740-014-0577-4

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