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基于元胞自动机的TA15板材累积叠轧微观组织预测
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作者单位:

1.西北工业大学 材料学院,陕西 西安 710072;2.西北有色金属研究院,陕西 西安 710016

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基金项目:

国家自然科学基金面上项目(No.51471136)


Cellular Automata Based Microstructure Prediction in Accu-mulative Roll-Bonding of TA15 Sheets
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Affiliation:

1.School of Materials Science and Engineering, Northwestern Polytechnical University,Xi'an 710072, China;2.Northwest Institute for Nonfe-rrous Metal Research, Xi 'an 710016, China

Fund Project:

National Natural Science Foundation of China (51471136)

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    摘要:

    为研究累积叠轧过程中TA15钛合金微观组织的演变规律,首先利用DEFORM有限元软件模拟了不同累积叠轧工艺对板材成形热参数的影响,在此基础上通过元胞自动机模拟了TA15钛合金累积叠轧后组织的动态球化过程。结果表明,在累积叠轧过程中,通过减少单道次变形、降低轧制速度并保持一定的温度,可有效地改善TA15钛合金的微观组织和性能。将元胞自动机动态球化模型导入Deform-3D软件,成功地模拟了在热压缩和累积叠轧过程中微观组织的演变。

    Abstract:

    The influence of different cumulative rolling processes on the distribution of thermal parameters of sheet was simulated using DEFORM commercial finite element software. The dynamic globularization process of TA15 titanium alloy after thermal compression and cumulative rolling was simulated by the cellular automata. The result shows that during the accumulative roll bonding (ARB) process, the microstructure and properties of TA15 titanium alloy can be effectively improved by reducing the deformation of single pass and rolling speed as well as maintaining a certain temperature. A reasonable dynamic globularization cellular automata (CA) model was imported into Deform-3D commercial finite element simulation software and the microstructure evolution was simulated in the process of thermal compression and accumulative rolling-bonding.

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韩栋,赵永庆,曾卫东,李磊,张永强.基于元胞自动机的TA15板材累积叠轧微观组织预测[J].稀有金属材料与工程,2021,50(10):3437~3445.[Han Dong, Zhao Yongqing, Zeng Weidong, Li Lei, Zhang Yongqiang. Cellular Automata Based Microstructure Prediction in Accu-mulative Roll-Bonding of TA15 Sheets[J]. Rare Metal Materials and Engineering,2021,50(10):3437~3445.]
DOI:10.12442/j. issn.1002-185X.20210170

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  • 收稿日期:2021-03-03
  • 最后修改日期:2021-03-28
  • 录用日期:2021-04-16
  • 在线发布日期: 2021-10-28
  • 出版日期: 2021-10-25