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无机材料学报

无机材料学报

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退火过程中晶粒生长的二维计算机模拟

叶日晴; 赵建华; 何陵辉   

  1. 中国科学技术大学力学和机械工程系, 合肥 230026
  • 收稿日期:2000-01-27 修回日期:2000-03-18 出版日期:2001-01-20 网络出版日期:2001-01-20

Computer Simulation of Grain Growth in Two Dimensions in Annealing Process

YE Ri-Qing; ZHAO Jian-Hua; HE Ling-Hui   

  1. Department of Mechanics and Mechanical Engineering; University of Science and Technology of China; Hefei 230027; China
  • Received:2000-01-27 Revised:2000-03-18 Published:2001-01-20 Online:2001-01-20

PDF (PC)

1294

被引次数

48

摘要： 由于多晶体材料中晶粒取向不同，对晶粒的生长产生影响．本文以蒙特卡罗（ＭｏｎｔｅＣａｒｌｏ）方法为基础，通过对Ｐｏｔｔｓ算法的改进，建立快速的Ｐｏｔｔｓ算法，实现了对多晶材料在退火中晶粒生长过程的结构演化的计算机模拟和统计分析．与以前的模拟过程相比，计算量减少，逼真度较高．生长指数的模拟值约为１／３，与正常晶粒拓朴演化和理论分析的生长动力学相符合．

关键词: 正常晶粒长大, 显微结构的演化, 计算机模拟, 蒙特卡罗方法

Abstract: The grain growth is effected by the orientation of grains in polycrystalline materials. Based on the
Monte-Carlo method and Potts algorithm, the quick Q-state Potts algorithm was presented. The computer simulation of temporal microstrutural
evolution of grain growth in polycrystalline materials and statistical analysis were carried out. The numerical treatment is more simple compared
with the previous models. The simulating growth exponent is about 1/3. The temporal microstructural evolution of normal grain growth accords
with the growth kinetics.

Key words: normal grain growth, microstructure evolution, computer simulation, Monte-Carlo method

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