计算机仿真在粉末冶金过程的应用及研究进展

李静

doi:10.19591/j.cnki.cn11-1974/tf.2021060001

计算机仿真在粉末冶金过程的应用及研究进展

doi: 10.19591/j.cnki.cn11-1974/tf.2021060001

李静^,

河南地矿职业学院，郑州 451464

详细信息

通讯作者:
E-mail：54045973@qq.com

中图分类号: TF122
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出版历程
- 收稿日期: 2021-06-04
- 刊出日期: 2021-08-28

Application and research progress of computer simulation used in powder metallurgy process

LI Jing^,

Henan Geology Mineral College, Zhengzhou 451464, China

More Information

Corresponding author: E-mail: 54045973@qq.com

摘要

摘要: 随着综合性能优秀、形状复杂的粉末冶金零部件的量产化，为了更大程度的降低成本、提高质量、缩短开发周期，计算机仿真技术在粉末冶金领域的应用越来越广泛。本文介绍了目前在粉末冶金领域应用较多的几种仿真软件Abaqus、Deform、Ansys、Comsol、MSC.Marc，列举了几种软件的实际应用，比较了几种仿真软件的优缺点，提出了在实际生产实践中仿真软件的选择标准，并对今后计算机仿真软件在粉末冶金领域的发展提出了建议和展望。
- 计算机仿真 /
- 粉末冶金 /
- 数值模拟 /
- 研究进展
Abstract: With the quantity production of the powder metallurgy parts with the excellent comprehensive performance and complex shape, the computer simulation technology is widely used in powder metallurgy process to reduce the product cost, improve product quality, and shorten the development cycle. Several simulation software (Abaqus, Deform, Ansys, Comsol, and MSC.Marc) were introduced in this paper, which are widely used in powder metallurgy field at present. The advantages and disadvantages of the simulation software were compared. The application and selection for the simulation software in the actual production practice were also discussed. The expectation and development of the computer simulation software in powder metallurgy field in the future were put forward.
- computer simulation /
- powder metallurgy /
- numerical modeling /
- research progress

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图 1 主雾化熔体液滴分布图^[7]

Figure 1. Gas-melt interaction in primary atomization^[7]

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图 2 二次雾化TAB模型粒度分布图^[7]

Figure 2. Diameter distribution simulated by TAB model in secondary atomization^[7]

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图 3 三维有限元模型（a）和粉末最小网格（b）^[8]

Figure 3. Three dimensional finite element model (a) and the minimum mesh of powders (b)^[8]

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图 4 断层扫描仪获得若干幅多孔材料二维断面图（a）和商业图像处理软件构建的烧结钛的三维多孔结构（b）^[10]

Figure 4. Cross-sectional images obtained using the computed tomography (a) and the three-dimensional porous structure of the sintered Ti measured by the computed tomography (b)^[10]

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图 5 采用立方体单胞模型（a）和基于断层扫描模型（b）的有限元模拟等效应力分布^[10]

Figure 5. Equivalentstress distribution by finite element modelling based on the unit-cell model (a) and the CT model (b)^[10]

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图 6 利用Deform–3D建立的纯钼锻造过程三维模型^[11]

Figure 6. 3D model of the pure molybdenum forging process by Deform–3D^[11]

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图 7 三种不同初始坯料连杆最终成形^[12]：（a）初始坯料1；（b）初始坯料2；（c）优化后的坯料

Figure 7. Final forming of the connecting rods with different initial billets^[12]: (a) the initial billet 1; (b) the initial billet 2; (c) the optimized billet

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图 8 平衡器三维仿真模型中相对密度分布^[18]：（a）顶部；（b）底部

Figure 8. Relative density distributions of the 3D simulation model for balancer^[18]: (a) the top; (b) the bottom

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