Numerical analysis of influence of crucible shape on interface shape in a unidirectional solidification process

被引：37
|
作者：
Miyazaw, Hiroaki [2 ]
Liu, Lijun [1 ,3 ]
Kakimoto, Koichi [1 ,2 ]
机构：
[1] Kyushu Univ, Res Inst Appl Mech, Kasuga, Fukuoka 8168580, Japan
[2] Kyushu Univ, Grad Sch Engn, Kasuga, Fukuoka 8168580, Japan
[3] Xi An Jiao Tong Univ, Sch Energy & Power Engn, Xian 710049, Shaanxi, Peoples R China
来源：
JOURNAL OF CRYSTAL GROWTH | 2008年 / 310卷 / 06期
关键词：
computer simulation; directional solidification; interfaces; growth from melt; solar cells;
D O I：
10.1016/j.jcrysgro.2007.12.056
中图分类号：
O7 [晶体学];
学科分类号：
0702 ; 070205 ; 0703 ; 080501 ;
摘要：
We carried out calculations to investigate the melt-crystal (m-c) interface shape with cylindrical and square crucibles and the influence of crucible shape on m-c interface shape using two-dimensional and three-dimensional global analyses. It was found that maximum deformation of the m-c interface occurs near the corner of the square crucible because outgoing heat flux, which has a significant influence on the m-c interface shape, has three-dimensionality. It was also found that shape and dimensions of the crucible have significant influence on the amount of outgoing heat flux. The results indicate that we should control not only heater power, growth ratio and melt flow but also shape and dimensions of crucibles in order to reduce deformation of the m-c interface. (C) 2008 Elsevier B.V. All rights reserved.
引用
收藏
页码：1142 / 1147
页数：6
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