Examination of binary alloy free dendritic growth theories with a phase-field model

被引：0
|
作者：
Ramirez, JC [1 ]
Beckermann, C [1 ]
机构：
[1] Univ Iowa, Dept Mech & Ind Engn, Iowa City, IA 52246 USA
来源：
SOLIDIFICATION PROCESSES AND MICROSTRUCTURES: A SYMPOSIUM IN HONOR OF WILFRIED KURZ | 2004年
关键词：
free dendritic growth; phase-field model; binary alloy solidification;
D O I：
暂无
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Two-dimensional phase-field simulations are used to test the well known theories of Kurz and coworkers for free dendritic growth of binary alloys. Good agreement between numerically predicted and theoretical values of the growth Peclet numbers is obtained. Furthermore, within the uncertainty of the numerical predictions, the selection parameter sigma* determined from the phase-field simulations is approximately independent of the initial melt concentration, which is in agreement with the theories.
引用
收藏
页码：373 / 378
页数：6
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