金属凝固微观组织数值模拟研究现状

材料导报, 2014, 28(21): 24-35. doi: 10.11896/j.issn.1005-023X.2014.21.005

金属凝固微观组织数值模拟研究现状

杨云峰 ^1, , 谢明 ^2, , 程勇 ^3, , 陈松 ^4, , 陈永泰 ^5, , 杨有才 ^6, , 溥存继 ^7, , 杜文佳 ^8, , 李慕阳 ^9,

1.昆明贵金属研究所稀贵金属综合利用新技术国家重点实验室,昆明,650106

2.昆明贵金属研究所稀贵金属综合利用新技术国家重点实验室,昆明,650106

3.昆明贵金属研究所稀贵金属综合利用新技术国家重点实验室,昆明,650106

4.昆明贵金属研究所稀贵金属综合利用新技术国家重点实验室,昆明,650106

5.昆明贵金属研究所稀贵金属综合利用新技术国家重点实验室,昆明,650106

6.昆明贵金属研究所稀贵金属综合利用新技术国家重点实验室,昆明,650106

7.昆明贵金属研究所稀贵金属综合利用新技术国家重点实验室,昆明,650106

8.昆明贵金属研究所稀贵金属综合利用新技术国家重点实验室,昆明,650106

9.昆明贵金属研究所稀贵金属综合利用新技术国家重点实验室,昆明,650106

基金项目: 省院所技术开发专项(2011CF012) 国家自然科学基金(51164015) 云南省重点基金项目(2011FA026)

关键词：凝固组织模拟 , 确定性模拟 , 随机性模拟 , 相场模型

Research Status of Numerical Simulation of Solidification Microstructure

Keywords： numerical simulation of solidification microstructure , deterministic modeling , stochastic modeling , phase-field modeling

通过对凝固微观组织的模拟,能很好地预测材料的性能,对实际应用具有重要意义.对微观组织模拟中的3个主要模型(确定性模型、随机性模型和相场模型)及它们的应用现状进行了阐述,并分析了它们的优缺点.随着计算机技术的发展,新的计算模型的出现将使金属凝固微观组织的数值模拟向着高精度、高效率和高速度的方向发展.

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