Acta Physica Sinica, Volume. 68, Issue 4, 048102-1(2019)

Cellular automaton simulation of molten pool migration due to temperature gradient zone melting

Hui Fang1... Hua Xue1, Qian-Yu Tang1, Qing-Yu Zhang1, Shi-Yan Pan2 and Ming-Fang Zhu1,* |Show fewer author(s)
Author Affiliations
  • 1Jiangsu Key Laboratory of Advanced Metallic Materials, School of Materials Science and Engineering, Southeast University, Nanjing 211189, China
  • 2School of Materials Science and Engineering, Nanjing University of Science and Technology, Nanjing 210094, China
  • show less
    Figures & Tables(10)
    Comparison of the CA simulation with the analytical prediction[15]regarding the time evolution of the location of a migrating liquid pool for a SCN–0.3 wt.% ACE alloy at , and G = 12°C/mm.SCN–0.3 wt.% ACE合金在()和G = 12°C/mm条件下, 迁移熔池位置随时间变化的CA模拟结果与解析模型[15]预测结果的比较
    Comparison of the CA simulation with the analytical prediction[15] regarding the time evolution of (a) liquid pool velocity and (b) liquid pool composition for a SCN–0.3 wt.% ACE alloy at , and G = 12°C/mm.SCN–0.3 wt.%ACE合金在()和G = 12 °C/mm条件下, (a)熔池迁移速度和(b)熔池成分随时间变化的CA模拟和解析模型[15]预测结果的比较
    Comparison of the CA simulation with the analytical prediction[15] regarding the time evolution of the location of a migrating liquid pool for a SCN–0.3 wt.% ACE alloy at , and G = 12 °C/mm.SCN–0.3 wt.% ACE合金在()和G = 12 °C/mm条件下, 迁移熔池位置随时间变化的CA模拟结果与解析模型[15]预测结果的比较
    Comparison of the CA simulation with the analytical prediction[15] regarding the time evolution of (a) liquid pool velocity and (b) liquid pool composition for a SCN–0.3 wt.% ACE alloy at , and G = 12°C/mm.SCN–0.3 wt.%ACE合金在()和G = 12°C/mm条件下, (a)熔池迁移速度和(b)熔池成分随时间变化的CA模拟和解析模型[15]预测结果的比较
    Comparison of the CA simulations with the analytical predictions [15] regarding the times required for a liquid pool to reach (a) the moving liquidus from at Vp Vp, cr and (b) the moving solidus from at Vp > Vp, cr as a function of the pulling velocity for a SCN–0.3 wt.% ACE alloy at G = 12 °C/mm.SCN–0.3 wt.% ACE合金在G = 12 °C/mm条件下, (a) Vp Vp, cr时熔池从初始位置()迁移到移动的液相线所需时间tl和(b) Vp > Vp, cr情况下熔池从初始位置()迁移到移动的固相线所需时间ts随抽拉速度变化的CA模拟与解析模型[15]预测结果的比较
    Simulated sequence of liquid pool migration for a SCN–0.3 wt.% ACE alloy at G = 12 °C/mm, corresponding to = 0.5: (a) 2 s; (b) 20 s; (c) 37 s. The dimensionless initial positions of the five liquid pools are = 0.08, 0.3, 0.5, 0.6 and 0.75, respectively. is the dimensionless droplet position, y is the droplet position.CA模拟的SCN–0.3 wt.% ACE合金在Vp = 和G = 12°C/mm的条件下 (相应的临界位置= 0.5), 5个不同初始位置的熔池的迁移演化过程 (a) 2 s; (b) 20 s; (c) 37 s. 5个熔池的无量纲初始位置分别为= 0.08, 0.3, 0.5, 0.6和0.75. 为无量纲液滴位置, y为液滴位置
    CA simulated average migrating velocity as a function of the dimensionless initial liquid pool position for a SCN–0.3 wt.% ACE alloy at G = 12°C/mm and Vp = 2.89 m/s, corresponding to = 0.5.CA模拟的SCN–0.3 wt.% ACE合金在Vp = 2.89 m/s和G = 12°C/mm条件下(相应的临界位置= 0.5), 平均迁移速度随无量纲初始熔池位置的变化
    CA simulated time evolution of liquid pool velocity for a SCN–0.3 wt.% ACE alloy at different temperature gradients and (a) , = 0.3, Vp Vp, cr; (b) , = 0.7, Vp > Vp, cr.CA模拟的SCN–0.3 wt.% ACE合金在不同温度梯度条件下, 熔池迁移速度随时间的变化 (a) , = 0.3, Vp Vp, cr; (b) , = 0.7, Vp > Vp, cr
    CA simulated time evolution of liquid pool velocity for SCN-ACE alloys at G = 14°C/mm, different compositions and (a) , = 0.4, Vp Vp, cr; (b) , = 0.7, Vp > Vp, cr.CA模拟的不同成分SCN–ACE合金熔池在G = 14°C/mm时迁移速度随时间的变化 (a) , = 0.4, Vp Vp, cr; (b) , = 0.7, Vp > Vp, cr
    • Table 1.

      The physical parameters used in the present work[15,28].

      本文工作采用的物性参数[15,28]

      View table
      View in Article

      Table 1.

      The physical parameters used in the present work[15,28].

      本文工作采用的物性参数[15,28]

      符号物理意义数值
      Dl/m2·s–1溶质在液相中的扩散系数1 × 10–9
      k平衡分配系数0.1
      ml/K·(wt.%)–1液相线斜率–2.8
      Tm/°C 纯SCN的熔点58.081
    Tools

    Get Citation

    Copy Citation Text

    Hui Fang, Hua Xue, Qian-Yu Tang, Qing-Yu Zhang, Shi-Yan Pan, Ming-Fang Zhu. Cellular automaton simulation of molten pool migration due to temperature gradient zone melting[J]. Acta Physica Sinica, 2019, 68(4): 048102-1

    Download Citation

    EndNote(RIS)BibTexPlain Text
    Save article for my favorites
    Paper Information

    Received: Aug. 23, 2018

    Accepted: --

    Published Online: Sep. 16, 2020

    The Author Email:

    DOI:10.7498/aps.68.20181587

    Topics