六重对称合金枝晶生长场变量扩散元胞自动机模型

汤思璠, 魏晶晶, 岳怡心, 李鹏宇, 姚曼, 王旭东

Field-Variable Diffusion Cellular Automaton Model for Dendritic Growth with Sixfold Symmetry Alloys

TANG Sifan, WEI Jingjing, YUE Yixin, LI Pengyu, YAO Man, WANG Xudong

图11 Mg-6%Al合金定向凝固柱状晶形貌随时间的模拟结果

Fig.11 Simulated columnar dendritic morphologies during directional solidification of a Mg-6%Al alloy with time (a) 0.16 s (b) 0.56 s (c) 1.04 s (d) 1.44 s (The outlined region illustrates the local “necking” phenomenon during dendrite growth)