The effect of anisotropic surface tension on the morphological stability of planar interface during directional solidification

被引：0
|
作者：
陈明文 [1 ]
兰曼 [1 ]
袁琳 [1 ]
王玉燕 [1 ]
王自东 [2 ]
徐鉴君 [2 ,3 ,4 ]
机构：
[1] School of Applied Sciences, University of Science and Technology Beijing
[2] School of Materials Science and Engineering, University of Science and Technology Beijing
[3] School of Mathematical Sciences, Nankai University
[4] Department of Mathematics and Statistics, McGill University
来源：
Chinese Physics B | 2009年 / 18卷 / 04期
基金：
中国国家自然科学基金;
关键词：
directional solidification; planar interface; anisotropic surface tension; morphological stability;
D O I：
暂无
中图分类号：
O781 [晶体生长理论];
学科分类号：
摘要：
This paper considers the effect of the anisotropic surface tension on the morphological stability of the planar interface during directional solidification. When the expression exhibiting the four-fold symmetry is included, the modified absolute stability criterion is obtained by employing the multi-variable expansion method. The linear stability analysis reveals that for the given temperature gradient, as the anisotropic surface tension parameter increases, the stability zone tends to decrease.
引用
收藏
页码：1691 / 1699
页数：9
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