Metal solidification micro-structure simulation of direct laser deposition based on cellular automation

被引：0

作者：

Guan, Tingting ^{[1
]}

Chen, Suiyuan ^{[1
]}

Zhou, Yue ^{[1
]}

Cui, Tong ^{[1
]}

Liang, Jing ^{[1
]}

Liu, Changsheng ^{[1
]}

机构：

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

来源：

2017 2ND INTERNATIONAL CONFERENCE ON MECHATRONICS AND INFORMATION TECHNOLOGY (ICMIT 2017) | 2017年

基金：

国家重点研发计划;

关键词：

Direct laser deposition; non-equilibrium solidification; micro-structure; cellular automation; DENDRITE GROWTH; ALLOY;

D O I：

暂无

中图分类号：

TP301 [理论、方法];

学科分类号：

081202 ;

摘要：

In recent years, by combining laser cladding, direct laser deposition (DLD) forming as a additive manufacturing (AM) technology has been developed to fabricate high-performance metal components directly. Since the non-equilibrium solidification process involves the thermal and fluidic phenomena inherent which impact the micro-structure, and thus determine the final properties of parts. The mechanism about thermodynamics and dynamics of micro-structure evolution is still not clear during the DLD process. Based on the situation, the article provides an overview of a more mainstream cellular automation (CA) method in the simulation of micro-structure evolution of DLD, briefly describes the basic principle and thought of CA, gives classical and modified models and applications of CA in micro-structure simulation in current research. Meanwhile, several major challenges are also analyzed and the future directions are forecasted.

引用

页码：156 / 160

页数：5

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