Monte-Carlo simulation of regular lamellar eutectic growth in binary systems

被引：1
|
作者：
Wang, WM [1 ]
Liu, JM
Pan, XM
Liu, ZG
机构：
[1] Nanjing Univ, Solid State Microstruct Lab, Nanjing 210093, Peoples R China
[2] Shandong Univ, Key Lab Liquid Struct & Hered Mat, Jinan 250061, Peoples R China
[3] Huazhong Univ Sci & Technol, Lab Laser Technol, Wuhan 430074, Peoples R China
来源：
MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING | 2002年 / 336卷 / 1-2期
基金：
中国国家自然科学基金;
关键词：
lamellar eutectic; Monte-Carlo simulation; Jackson- Hunt theory;
D O I：
10.1016/S0921-5093(01)01977-3
中图分类号：
TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
The regular lamellar eutectic growth is simulated by Monte-Carlo (MC) method. The growth velocity R is evaluated from the solid-liquid (S-L) interface configuration. The relation between the calculated lamellar spacing A and R shows a good consistence with the Jackson-Hunt (JH) theory when R is not very low; the calculated lambda(2)R decreases with decreasing R, when R is fairly low, which supports the universal scaling relationship between lambda and R. The simulated composition in front of the S-L interface shows a clear spatial oscillation around the average composition c(0), and the composition oscillation decays significantly with increasing distance from the S-L interface. (C) 2002 Elsevier Science B.V. All rights reserved.
引用
收藏
页码：129 / 134
页数：6
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