设计了晶粒尺寸分别呈β=2.96与β=3.47的Weibull分布的2种3D初始晶粒组织,采用Pons模型Monte Carlo改进算法进行了界面曲率驱动的3D晶粒长大过程的仿真研究.晶粒仿真长大过程遵循抛物线长大规律,且晶粒生长指数非常接近于理论值0.5.仿真结果表明:源于2种初始组织所得准稳态晶粒尺寸均趋于β=2.80±0.03的同种Weibull分布,准稳态晶粒面数则均呈对数正态分布.进一步分析发现,刘国权及其合作者近年来基于不同长大速率理论模型导出的两类3D准稳态晶粒尺寸分布函数与本文仿真实验所得数据相互吻合.
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