高温合金涡轮叶片定向凝固过程数值模拟研究进展

许庆彦(

),杨聪,闫学伟,柳百成

Development of Numerical Simulation in Nickel-Based Superalloy Turbine Blade Directional Solidification

XU Qingyan(

),YANG Cong,YAN Xuewei,LIU Baicheng

图8. HRS和LMC定向凝固工艺下三维枝晶生长模拟结果^[31]

Fig.8. Phase-field simulation results of 3D dendrite growth under HRS (a1~a3) and LMC (b1~b3) directional solidification conditions^[31](a1) solidification time 10 s (a2) solidification time 15 s (a3) solidification time 100 s(b1) solidification time 5 s (b2) solidification time 7.5 s (b3) solidification time 100 s