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Numerical Evaluation of a High Speed Steel Work Roll during Hot Strip Rolling Process

机译:带钢热轧过程中高速钢工作辊的数值评估

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摘要

Hot strip rolling process is one of the most promising industrial processes to fabricate finished or semi-finished bulk products. Numerical analysis on the temperature and thermal stress distributions in a high speed steel work roll during hot rolling has been conducted based on a transient thermo-mechanical model. Influence of initial work roll body temperature on temperature and thermal stress has been discussed in detail by assuming different rolling stages. Compared to the work roll surface, stress is much smaller at depth of 2.1 mm and 5.0 mm, respectively. Results showed similar maximum circumferential thermal stress at both depths of 2.1 mm and 5.0 mm when the roll has initial temperature of 25 ℃ and 100 ℃, but they are about 3 times and 8 times larger than at depth of 2.1 mm and 5.0 mm, respectively, when the initial temperature is 200 ℃.
机译:热轧带钢工艺是制造成品或半成品散装产品的最有前途的工业工艺之一。基于瞬态热力学模型,对高速钢工作辊热轧过程中温度和热应力分布进行了数值分析。通过假设不同的轧制阶段,已经详细讨论了初始工作轧辊体温对温度和热应力的影响。与工作辊表面相比,深度分别为2.1 mm和5.0 mm时应力要小得多。结果表明,当辊的初始温度为25℃和100℃时,两个深度在2.1 mm和5.0 mm处的最大周向热应力相似,但分别比深度在2.1 mm和5.0 mm时大3倍和8倍。 ,当初始温度为200℃时。

著录项

  • 来源
    《Materials science forum》 |2017年第2017期|55-60|共6页
  • 作者单位

    School of Mechanical, Materials, Mechatronic and Biomedical Engineering, University of Wollongong, New South Wales 2522, Australia,Australian Centre for Neutron Scattering, Australian Nuclear Science and Technology Organisation, New South Wales 2232, Australia,Department of Materials Science and Engineering, Kyoto University, Kyoto 606-8501, Japan;

    School of Mechanical, Materials, Mechatronic and Biomedical Engineering, University of Wollongong, New South Wales 2522, Australia;

    School of Mechanical, Materials, Mechatronic and Biomedical Engineering, University of Wollongong, New South Wales 2522, Australia;

    Electron Microscope Unit, University of New South Wales, New South Wales 2052, Australia;

    School of Mechanical, Materials, Mechatronic and Biomedical Engineering, University of Wollongong, New South Wales 2522, Australia;

    Australian Centre for Neutron Scattering, Australian Nuclear Science and Technology Organisation, New South Wales 2232, Australia;

    State Key Laboratory of Mechanical Transmission, Chongqing University, Chongqing 400044, China;

    School of Mechanical, Materials, Mechatronic and Biomedical Engineering, University of Wollongong, New South Wales 2522, Australia;

    School of Mechanical, Materials, Mechatronic and Biomedical Engineering, University of Wollongong, New South Wales 2522, Australia;

    School of Mechanical, Materials, Mechatronic and Biomedical Engineering, University of Wollongong, New South Wales 2522, Australia;

    School of Mechanical, Materials, Mechatronic and Biomedical Engineering, University of Wollongong, New South Wales 2522, Australia;

    School of Mechanical, Materials, Mechatronic and Biomedical Engineering, University of Wollongong, New South Wales 2522, Australia;

    Baosteel Research Institute, Baoshan Iron & Steel Co., Ltd, Shanghai 201900, China;

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  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    Hot rolling; high speed steel; work roll; thermal stress;

    机译:热轧;高速钢工作卷热应力;

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