Al-7Si-Mg合金凝固过程形核模型建立及枝晶生长过程数值模拟*
陈瑞1,许庆彦1(
),吴勤芳2,郭会廷2,柳百成1
),吴勤芳2,郭会廷2,柳百成1
NUCLEATION MODEL AND DENDRITE GROWTH SIMULATION IN SOLIDIFICATON PROCESS OF Al-7Si-Mg ALLOY
Rui CHEN1,Qingyan XU1(),Qinfang WU2,Huiting GUO2,Baicheng LIU1
),Qinfang WU2,Huiting GUO2,Baicheng LIU1
图1. TiB2有效形核面及a-Al依附在TiB2衬底上的形核过程示意图
Fig.1. Schematic of active circular nucleant surface of TiB2 (a) and the growth of a-Al phase from such a nucleant site with a diameter of dN (b) (L and S represent liquid and solid phases, respectively. h is the height of the nucleus on the nucleant site)
