Simulation Verification of Self-Similar State during Process of Normal Grain Growth
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摘要:
采用Potts Monte Carlo方法对正常晶粒长大过程进行了仿真,并实现了晶粒的准稳态长大。仿真结果显示,准稳态晶粒长大阶段的尺寸分布不是经典Hillert理论预测的Hillert(v=4)分布,却可以用Weibull函数来描述或由v<4的解析函数来表征。其中v为晶粒尺寸分布因子。本研究的Monte Carlo仿真结果证实了v<4的准稳态晶粒尺寸分布的存在。
Abstract:
Potts Monte Carlo simulations were performed to investigate the process of normal grain growth. The results show that the initial grain size distribution and the quasi-stationary distributions could be described well by the Weibull function or the analytical solution with v<4, rather than the classical Hillert distribution (v=4), where vis a parameter of grain size distribution.
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王超,刘国权.晶粒长大过程中1种自相似态的仿真实验验证[J].稀有金属材料与工程,2004,33(2):128~131.[Wang Chao, Liu Guoquan. Simulation Verification of Self-Similar State during Process of Normal Grain Growth[J]. Rare Metal Materials and Engineering,2004,33(2):128~131.] DOI：[doi]