Phase-field model of isothermal solidification with multiple grain growth

被引：0
|
作者：
冯力 [1 ]
王智平 [1 ,2 ]
朱昌盛 [1 ]
路阳 [1 ]
机构：
[1] College of Materials Science and Engineering,Lanzhou University of Technology
[2] State Key Laboratory of Gansu Advanced Nonferrous Metal Material,Lanzhou University of Technology
来源：
Chinese Physics B | 2009年 / 18卷 / 05期
基金：
中国国家自然科学基金;
关键词：
phase-field; multiple grains; multicomponent alloys; equiaxed dendrites;
D O I：
暂无
中图分类号：
O782 [晶体生长工艺];
学科分类号：
0702 ; 070205 ; 0703 ; 080501 ;
摘要：
This paper develops a new phase-field model for equiaxed dendrite growth of multiple grains in multicomponent alloys based on the Ginzberg-Landau theory and phase-field model of a single grain.Taking Al-Cu and Al-Cu-Mg alloys for example,it couples the concentration field and simulates the dendrite growth process of multiple grains during isothermal solidification.The result of the simulation shows dendrite competitive growth of multiple grains,and is reapplied to the process of dendrite growth in practical solidification.
引用
收藏
页码：1985 / 1990
页数：6
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