球墨铸铁凝固显微组织的元胞自动机模拟*

张蕾, 赵红蕾, 朱鸣芳

SIMULATION OF SOLIDIFICATION MICROSTRUC-TURE OF SPHEROIDAL GRAPHITE CAST IRON USING A CELLULAR AUTOMATON METHOD

ZHANG Lei, ZHAO Honglei, ZHU Mingfang

表2 模拟的石墨体积分数和平均半径与杠杆定律计算值以及实验值的比较

Table 2 Comparisons of simulation, lever rule and experiment for the graphite volume fraction and average radius of a hypereutectic SG cast iron with C0=4.71%

Method Graphite volume fraction / % Average radius / mm Simulation result of program calculation 14.16 21.24 Simulation result of Imagetool measurement 14.10 21.19 Lever rule calculation 14.59 21.55 Experimental result of Imagetool measurement[22] 11.44 18.52