机械工程学报 ›› 2022, Vol. 58 ›› Issue (5): 239-257.doi: 10.3901/JME.2022.05.239
敖晓辉, 刘检华, 夏焕雄, 何奇阳, 任策
收稿日期:
2021-07-29
修回日期:
2021-10-29
出版日期:
2022-03-05
发布日期:
2022-04-28
通讯作者:
夏焕雄(通信作者),男,1987年出生,博士,副研究员,硕士研究生导师。主要研究方向为多相流-多场耦合建模仿真、胶粘连接、精密装配。E-mail:hxia@bit.edu.cn
E-mail:hxia@bit.edu.cn
作者简介:
敖晓辉,男,1986年出生,博士后。主要研究方向为增材制造工艺建模与仿真。E-mail:xhao@bit.edu.cn;刘检华,男,1977年出生,博士,教授,博士研究生导师。主要研究方向为数字化制造技术。E-mail:jeffliu@bit.edu.cn
基金资助:
AO Xiao-hui, LIU Jian-hua, XIA Huan-xiong, HE Qi-yang, REN Ce
Received:
2021-07-29
Revised:
2021-10-29
Online:
2022-03-05
Published:
2022-04-28
摘要: 选择性激光熔化(Selective laser melting, SLM)工艺是一个复杂的物理化学冶金过程,既涉及宏观零件尺度、介观熔池尺度和微观金相尺度等多尺度问题,又包含相变、流动、传热、传质等多物理场耦合作用。由于采用实验手段在线观测工艺过程十分困难,并且周期长、成本高,因此高保真的数值模拟方法已成为探究SLM工艺机理、预测工艺成形质量的重要手段。从介观粉末熔池演变和微观凝固组织形成两个方面,详细论述了SLM工艺数值模拟的物理模型与仿真方法的内涵,分析了各个物理模型和仿真方法的特点、优势及其适用范围,并综述了SLM工艺过程介观熔池物理行为和微观组织形貌的数值仿真研究现状。最后,总结了SLM介微观数值模拟方法目前所面临的挑战和发展趋势。
中图分类号:
敖晓辉, 刘检华, 夏焕雄, 何奇阳, 任策. 选择性激光熔化工艺的介-微观建模与仿真方法综述[J]. 机械工程学报, 2022, 58(5): 239-257.
AO Xiao-hui, LIU Jian-hua, XIA Huan-xiong, HE Qi-yang, REN Ce. A Review of Meso-micro Modeling and Simulation Methods of Selective Laser Melting Process[J]. Journal of Mechanical Engineering, 2022, 58(5): 239-257.
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