Quantitative phase-field modeling of directional growth with kinetic effects in quasi-rapid solidification

被引：2
|
作者：
Li, Zhiqiang [1 ,2 ]
Xing, Hui [1 ]
Lu, Wenjian [1 ]
Dong, Xianglei [3 ]
机构：
[1] Northwestern Polytech Univ, Key Lab Space Appl Phys & Chem, Xian 710129, Peoples R China
[2] Baotou Res Inst Rare Earths, State Key Lab Baiyunobo Rare Earth Resource Res &, Baotou 014030, Peoples R China
[3] Zhengzhou Univ, Coll Mat Sci & Engn, Zhengzhou 450001, Peoples R China
来源：
MATERIALS LETTERS | 2022年 / 311卷
基金：
中国国家自然科学基金;
关键词：
Crystal Growth; Microstructure; Phase-field model; Kinetic effects;
D O I：
10.1016/j.matlet.2021.131618
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Directional growth in quasi-rapid solidification was simulated by using a quantitative phase-field model to investigate the roles of the kinetic effects on the growth pattern selection and solute segregation. A convergence study was carried out to choose proper the interface thickness in numerical simulations. Results show that the stable range of primary spacing with kinetic effects is larger than that without them. The inclusion of the kinetic effects leads to the solute enrichment in the interdendritic region, indicating that kinetic effects can be involved in phase-field simulations for accurate predicted results.
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收藏
页数：3
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