Author:
Li Ri ,Shen Huan-Di ,Feng Chang-Hai ,Pan Hong ,Feng Chuan-Ning ,
Abstract
Based on the several solute redistribution models, a more reasonable solute redistribution model is presented. The cellular states on the solid/liquid interface and the states of its neighboring cells possibly occurring during the grain growth are fully considered in the model, and different formulas are built for different cases. Firstly, the simulation result shows that the disadvantage of the original cellular automation (CA) model (its grain growth is controlled by solute distribution), in which the cells on the grain boundary are kept unsolidified all the time, is eliminated. Then, in order to verify the reliability of the new model, the new model is introduced into the CA model in which grain growth is controlled by Kurz-Giovanola-Trivedi model. The microstructure of the Al-4.7 wt%Cu ingot is calculated. The simulation results are in good accordance with experimental results in two aspects of microstructure morphology and concentration distribution.
Publisher
Acta Physica Sinica, Chinese Physical Society and Institute of Physics, Chinese Academy of Sciences
Subject
General Physics and Astronomy
Reference13 articles.
1. Lan Y J, Xiao N M, Li D Z 2005 Acta Mater. 53 991
2. Chen F Y, Jie W Q 2004 Acta Metall. Sin. 40 664 (in Chinese) [陈福义, 介万奇 2004 金属学报 40 664]
3. Li Q, Ma Y C, Liu K, Kang X H, Li D Z 2007 Acta Metall. Sin. 43 217 (in Chinese) [李强, 马颖澈, 刘奎, 康秀红, 李殿中 2007 金属学报 43 217]
4. Beltran-Sanchez L, Stefanescu D M 2003 Metall. Mater. Trans. A 34 367
5. Beltran-Sanchez L, Stefanescu D M 2004 Metall. Mater. Trans. A 35 2471
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