The Study on Simulation Theory of Solidification Microstructure of Alloy Melt Pool in the Laser Additive Manufacturing Process

被引：0

作者：

Zhou, Yue ^{[1
]}

Chen, Suiyuan ^{[1
]}

Guan, Tingting ^{[1
]}

Cui, Tong ^{[1
]}

Liang, Jing ^{[1
]}

Liu, Changsheng ^{[1
]}

机构：

[1] Northeastern Univ, Sch Mat & Engn, Minist Educ, Key Lab Anisotropy & Texture Mat, Shenyang 110819, Liaoning, Peoples R China

来源：

2017 INTERNATIONAL CONFERENCE ON MATERIALS SCIENCE AND BIOLOGICAL ENGINEERING (ICMSBE 2017) | 2017年

基金：

国家重点研发计划;

关键词：

Laser additive manufacturing; alloy steel; microstructure of melt pool; phase field method; cellular automaton method;

D O I：

暂无

中图分类号：

Q81 [生物工程学（生物技术）]; Q93 [微生物学];

学科分类号：

071005 ; 0836 ; 090102 ; 100705 ;

摘要：

With the development of laser additive manufacturing technology (LAM) and computer technology, it has been widely concerned that the simulation method is used to predict the solidification microstructure of alloy melt pool in the LAM process, because simulation method has advantages of short experimental period, low cost and comprehensiveness. This paper respectively introduces the basic principle of phase field (PF) model and cellular automaton (CA) model, and then illustrates the application of simulating the solidification microstructure of alloy melt pool in the process of LAM. In addition, the results of comparative analysis shows that CA method is more suitable for simulating the microstructure of melt pool than PF method in the LAM process. Finally, the existing problems and future development trends of models and algorithms are put forward, which provides a theoretical reference for the laser additive manufacturing of alloy steel.

引用

页码：116 / 120

页数：5

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