球铁初生A体枝晶生长的计算机模拟  

^Computer Simulation of the Growth of initial Austenite

作　　者：丁霖溥[1,2] 张建波 潘显荣[1,2] 王香 丁利锋 

机构地区：[1]哈尔滨理工大学 [2]哈尔滨市电业局

出　　处：《哈尔滨理工大学学报》1997年第3期34-37,共4页Journal of Harbin University of Science and Technology

基　　金：黑龙江省自然科学基金

摘　　要：用Ｌ系统分形法，模拟了亚共晶球墨铸铁初生Ａ体的形态及其生长，并实现了微观组织的计算机模拟图像显示。模拟结果符合亚共晶球铁的一次结晶过程；Ａ体技晶的三种形态及其生长具有模拟性；Ａ体生长动力学曲线和实际结晶过程一致。研究结果为亚共晶球铁“计算机金相”的形成提出了模拟途径。By simulating the formation and growth of initial austenite of euteltiferous ductile iron with the L system's joint mould process, the computer image display of the microstructure is realized. The result of the simulation is in accordance with the crystallization process. Three formation of austenite dentrites and its growth are simulative. The kinetic curve of the austenite grow couple with the realities. This conclusion provides simulation method for the for- mation of computer metallograph of the eu teutiferous ductile iron.

关 键 词：L系统分形法 球墨铸铁 A体枝晶 计算机模拟 

分 类 号：TG143.5[一般工业技术—材料科学与工程]